[feat:] added Country implementation for country code editing (unused)

.gitignore

@@ -0,0 +1 @@
+/obj/*

.idea/.idea.Logof Client.dir/.idea/.gitignore

@@ -11,3 +11,5 @@
 # Datasource local storage ignored files
 /dataSources/
 /dataSources.local.xml
+/obj
+/obj/*

AddressCheck.cs

@@ -1,235 +0,0 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
-using Avalonia.Threading;
-
-namespace Logof_Client;
-
-public class AddressCheck
-{
-    public enum ErrorTypes
-    {
-        PlzTooShort,
-        PlzTooLong,
-        PPlzTooShort,
-        PPlzTooLong,
-
-        // empty,
-        FullAddressTooLong,
-        DoubledRefsid,
-        MayBeSameAddress,
-        NoPLZorPPLZ
-    }
-
-    public enum WarningTypes
-    {
-        NoCity,
-        NoStreet,
-        NoLastName,
-        NoFirstName,
-        NoStreetNumber,
-        NoPLZ,
-        NoPPLZ
-    }
-
-    private readonly ProgressWindow _progress;
-
-    public AddressCheck(ProgressWindow progressWindow)
-    {
-        _progress = progressWindow;
-    }
-
-    public async Task<List<(int, List<ErrorTypes>, List<WarningTypes>)>> Perform(KasAddressList addresses)
-    {
-        var failed_refsids = new List<(int, List<ErrorTypes>, List<WarningTypes>)>();
-        var total = addresses.KasPersons.Count;
-        var current = 0;
-
-        await Task.Run(async () =>
-        {
-            foreach (var person in addresses.KasPersons)
-            {
-                var errors = new List<ErrorTypes>();
-                var warnings = new List<WarningTypes>();
-                var hasFaults = false;
-
-                var address_component_count = 2; // cause anrede and name are first
-
-                // PLZ-Prüfung
-                if (person.plz == 0 || person.plz == null)
-                {
-                    hasFaults = true;
-                    warnings.Add(WarningTypes.NoPLZ);
-                }
-                else
-                {
-                    if ((person.plz < 10000 && string.IsNullOrWhiteSpace(person.land)) ||
-                        (person.plz < 10000 && person.land == "GER") ||
-                        (person.plz < 10000 && person.land == "DE"))
-                    {
-                        hasFaults = true;
-                        errors.Add(ErrorTypes.PlzTooShort);
-                    }
-                    else if ((person.plz > 99999 && string.IsNullOrWhiteSpace(person.land)) ||
-                             (person.plz > 99999 && person.land == "GER") ||
-                             (person.plz > 99999 && person.land == "DE"))
-                    {
-                        hasFaults = true;
-                        errors.Add(ErrorTypes.PlzTooLong);
-                    }
-                }
-
-
-                // PPLZ-Prüfung
-                if (person.pplz == 0 || person.pplz == null)
-                {
-                    hasFaults = true;
-                    warnings.Add(WarningTypes.NoPPLZ);
-                }
-                else
-                {
-                    if ((person.pplz < 10000 && string.IsNullOrWhiteSpace(person.land)) ||
-                        (person.pplz < 10000 && person.land == "GER") ||
-                        (person.pplz < 10000 && person.land == "DE"))
-                    {
-                        hasFaults = true;
-                        errors.Add(ErrorTypes.PPlzTooShort);
-                    }
-                    else if ((person.pplz > 99999 && string.IsNullOrWhiteSpace(person.land)) ||
-                             (person.pplz > 99999 && person.land == "GER") ||
-                             (person.pplz > 99999 && person.land == "DE"))
-                    {
-                        hasFaults = true;
-                        errors.Add(ErrorTypes.PPlzTooLong);
-                    }
-                }
-
-                if (warnings.Contains(WarningTypes.NoPLZ) && warnings.Contains(WarningTypes.NoPPLZ))
-                {
-                    hasFaults = true;
-                    errors.Add(ErrorTypes.NoPLZorPPLZ);
-                }
-
-                // Ort-Prüfung
-                if (string.IsNullOrWhiteSpace(person.ort))
-                {
-                    hasFaults = true;
-                    warnings.Add(WarningTypes.NoCity);
-                }
-                else
-                {
-                    address_component_count++;
-                }
-
-                // Street-Number
-                var street = person.strasse.ToCharArray();
-                var intcount = 0;
-                foreach (var c in street)
-                {
-                    int maybe;
-                    if (int.TryParse(c.ToString(), out maybe)) intcount++;
-                }
-
-                if (intcount == 0)
-                {
-                    hasFaults = true;
-                    warnings.Add(WarningTypes.NoStreetNumber);
-                }
-
-                // Last-Name
-                if (string.IsNullOrWhiteSpace(person.name))
-                {
-                    hasFaults = true;
-                    warnings.Add(WarningTypes.NoLastName);
-                }
-
-                // First-Name
-                if (string.IsNullOrWhiteSpace(person.vorname))
-                {
-                    hasFaults = true;
-                    warnings.Add(WarningTypes.NoFirstName);
-                }
-
-                // Street-Check
-                if (string.IsNullOrWhiteSpace(person.strasse))
-                {
-                    hasFaults = true;
-                    warnings.Add(WarningTypes.NoStreet);
-                }
-                else
-                {
-                    address_component_count++;
-                }
-
-                // Address-Component-Count
-                if (!string.IsNullOrWhiteSpace(person.strasse2)) address_component_count++;
-                if (!string.IsNullOrWhiteSpace(person.land)) address_component_count++;
-                if (!string.IsNullOrWhiteSpace(person.name1)) address_component_count++;
-                if (!string.IsNullOrWhiteSpace(person.name2)) address_component_count++;
-                if (!string.IsNullOrWhiteSpace(person.name3)) address_component_count++;
-                if (!string.IsNullOrWhiteSpace(person.name4)) address_component_count++;
-                if (!string.IsNullOrWhiteSpace(person.name5)) address_component_count++;
-                if (!string.IsNullOrWhiteSpace(person.funktion)) address_component_count++;
-                if (!string.IsNullOrWhiteSpace(person.funktion2)) address_component_count++;
-                if (!string.IsNullOrWhiteSpace(person.funktionad)) address_component_count++;
-                if (!string.IsNullOrWhiteSpace(person.abteilung)) address_component_count++;
-
-                // Double-Refsid or DoubleAddresses
-                foreach (var person2 in addresses.KasPersons)
-                {
-                    if (addresses.KasPersons.IndexOf(person) == addresses.KasPersons.IndexOf(person2)) continue;
-
-                    if (person.refsid == person2.refsid)
-                    {
-                        hasFaults = true;
-                        errors.Add(ErrorTypes.DoubledRefsid);
-                    }
-
-                    if (person.name == person2.name &&
-                        person.strasse == person2.strasse &&
-                        person.vorname == person2.vorname &&
-                        person.ort == person2.ort &&
-                        person.funktion == person2.funktion &&
-                        person.funktion2 == person2.funktion2 &&
-                        person.funktionad == person2.funktionad &&
-                        person.abteilung == person2.abteilung &&
-                        person.name1 == person2.name1 &&
-                        person.name2 == person2.name2 &&
-                        person.name3 == person2.name3 &&
-                        person.name4 == person2.name4 &&
-                        person.name5 == person2.name5)
-
-                    {
-                        hasFaults = true;
-                        errors.Add(ErrorTypes.MayBeSameAddress);
-                    }
-                }
-
-                // Adressen-Länge
-                if (address_component_count > 10)
-                {
-                    hasFaults = true;
-                    errors.Add(ErrorTypes.FullAddressTooLong);
-                }
-
-                if (hasFaults)
-                    lock (failed_refsids)
-                    {
-                        failed_refsids.Add((person.refsid, errors, warnings));
-                    }
-
-                // Fortschritt aktualisieren
-                Interlocked.Increment(ref current);
-                var percent = current / (double)total * 100;
-                await Dispatcher.UIThread.InvokeAsync(() =>
-                {
-                    if (hasFaults)
-                        _progress.AddToLog($"Person mit refsid {person.refsid} ist fehlerhaft");
-
-                    _progress.ChangePercentage(percent);
-                });
-            }
-        });
-        return failed_refsids;
-    }
-}

AddressPatch.cs

@@ -0,0 +1,118 @@
+using System;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+
+public class AddressPatch
+{
+    public string refsid_is { get; set; } = "";
+    public string anrede_is { get; set; } = "";
+    public string titel_is { get; set; } = "";
+    public string vorname_is { get; set; } = "";
+    public string adel_is { get; set; } = "";
+    public string name_is { get; set; } = "";
+    public string namezus_is { get; set; } = "";
+    public string anredzus_is { get; set; } = "";
+    public string strasse_is { get; set; } = "";
+    public string strasse2_is { get; set; } = "";
+    public string plz_is { get; set; } = "";
+    public string ort_is { get; set; } = "";
+    public string land_is { get; set; } = "";
+    public string pplz_is { get; set; } = "";
+    public string postfach_is { get; set; } = "";
+    public string name1_is { get; set; } = "";
+    public string name2_is { get; set; } = "";
+    public string name3_is { get; set; } = "";
+    public string name4_is { get; set; } = "";
+    public string name5_is { get; set; } = "";
+    public string funktion_is { get; set; } = "";
+    public string funktion2_is { get; set; } = "";
+    public string abteilung_is { get; set; } = "";
+    public string funktionad_is { get; set; } = "";
+
+    public bool has_refsid { get; set; }
+    public bool has_anrede { get; set; }
+    public bool has_titel { get; set; }
+    public bool has_vorname { get; set; }
+    public bool has_adel { get; set; }
+    public bool has_name { get; set; }
+    public bool has_namezus { get; set; }
+    public bool has_anredzus { get; set; }
+    public bool has_strasse { get; set; }
+    public bool has_strasse2 { get; set; }
+    public bool has_plz { get; set; }
+    public bool has_ort { get; set; }
+    public bool has_land { get; set; }
+    public bool has_pplz { get; set; }
+    public bool has_postfach { get; set; }
+    public bool has_name1 { get; set; }
+    public bool has_name2 { get; set; }
+    public bool has_name3 { get; set; }
+    public bool has_name4 { get; set; }
+    public bool has_name5 { get; set; }
+    public bool has_funktion { get; set; }
+    public bool has_funktion2 { get; set; }
+    public bool has_abteilung { get; set; }
+    public bool has_funktionad { get; set; }
+
+    public static AddressPatch Import(Uri filename)
+    {
+        var patch = new AddressPatch();
+
+        // Alle Zeilen aus der Datei laden
+        var lines = File.ReadAllLines(filename.LocalPath);
+
+        // Alle Properties der Klasse (Strings und bools)
+        var properties = typeof(AddressPatch).GetProperties(BindingFlags.Public | BindingFlags.Instance);
+
+        // Nur die Properties, die mit _is enden (also die String-Werte)
+        var stringProps = properties.Where(p => p.PropertyType == typeof(string) && p.Name.EndsWith("_is"));
+
+        foreach (var prop in stringProps)
+        {
+            // Beispiel: prop.Name = "name_is"
+            var baseName = prop.Name.Substring(0, prop.Name.Length - 3); // "name"
+
+            // In der Datei wird nach "name:" gesucht (ohne _is)
+            var line = lines.FirstOrDefault(l => l.StartsWith(baseName + ":"));
+            if (line != null)
+            {
+                // Wert extrahieren (alles nach dem Doppelpunkt)
+                var value = line.Substring(line.IndexOf(':') + 1).Trim();
+
+                // Wert im Patch-Objekt setzen
+                prop.SetValue(patch, value);
+
+                // Passendes has_ Feld aktivieren, z.B. "has_name"
+                var hasProp = properties.FirstOrDefault(p => p.Name == "has_" + baseName);
+                if (hasProp != null && hasProp.PropertyType == typeof(bool)) hasProp.SetValue(patch, true);
+            }
+        }
+
+        return patch;
+    }
+
+
+    public override string ToString()
+    {
+        var properties = GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance);
+        var stringProps = properties.Where(p => p.PropertyType == typeof(string) && p.Name.EndsWith("_is"));
+
+        var lines = new StringBuilder();
+
+        foreach (var prop in stringProps)
+        {
+            // passendes has_ Feld
+            var hasProp =
+                properties.FirstOrDefault(p => p.Name == "has_" + prop.Name.Substring(0, prop.Name.Length - 3));
+            if (hasProp != null && (bool)hasProp.GetValue(this))
+            {
+                var value = (string)prop.GetValue(this);
+                lines.AppendLine($"{prop.Name} => {value}");
+            }
+        }
+
+        return lines.ToString().TrimEnd();
+    }
+}

App.axaml

@@ -1,11 +1,11 @@
 <Application xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              x:Class="Logof_Client.App"
-             RequestedThemeVariant="Default">
+             RequestedThemeVariant="Light">
     <!-- "Default" ThemeVariant follows system theme variant. "Dark" or "Light" are other available options. -->
 
     <Application.Styles>
         <FluentTheme />
-        <StyleInclude Source="avares://Avalonia.Controls.DataGrid/Themes/Fluent.xaml"/>
+        <StyleInclude Source="avares://Avalonia.Controls.DataGrid/Themes/Fluent.xaml" />
     </Application.Styles>
 </Application>

CombineAddresses.cs

@@ -1,94 +0,0 @@
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using Avalonia.Threading;
-
-namespace Logof_Client;
-
-public class CombineAddresses
-{
-    private readonly ProgressWindow _progress;
-
-    public CombineAddresses(ProgressWindow progressWindow)
-    {
-        _progress = progressWindow;
-    }
-
-    public async Task<KasAddressList> Perform(List<KasAddressList> address_lists)
-    {
-        KasAddressList result = new();
-        await Task.Run(async () =>
-        {
-            for (var i = 0; i < address_lists.Count; i++)
-                if (i == 0)
-                    lock (result)
-                    {
-                        result = address_lists[i];
-                    }
-                else
-                    lock (result)
-                    {
-                        result = Merge(result, address_lists[i], i + 1, address_lists.Count).Result;
-                    }
-        });
-        return result;
-    }
-
-    private async Task<KasAddressList> Merge(KasAddressList first, KasAddressList second, int num, int total)
-    {
-        foreach (var sec in second.KasPersons)
-        {
-            var is_new = true;
-            foreach (var fi in first.KasPersons)
-            {
-                if (fi.refsid == sec.refsid)
-                {
-                    is_new = false;
-                    break;
-                }
-
-                if (fi.name == sec.name &&
-                    fi.anrede == sec.anrede &&
-                    fi.anredzus == sec.anredzus &&
-                    fi.namezus == sec.namezus &&
-                    fi.titel == sec.titel &&
-                    fi.adel == sec.adel &&
-                    fi.strasse == sec.strasse &&
-                    fi.strasse2 == sec.strasse2 &&
-                    fi.vorname == sec.vorname &&
-                    fi.ort == sec.ort &&
-                    fi.land == sec.land &&
-                    fi.plz == sec.plz &&
-                    fi.pplz == sec.pplz &&
-                    fi.funktion == sec.funktion &&
-                    fi.funktion2 == sec.funktion2 &&
-                    fi.funktionad == sec.funktionad &&
-                    fi.abteilung == sec.abteilung &&
-                    fi.postfach == sec.postfach &&
-                    fi.name1 == sec.name1 &&
-                    fi.name2 == sec.name2 &&
-                    fi.name3 == sec.name3 &&
-                    fi.name4 == sec.name4 &&
-                    fi.name5 == sec.name5)
-                {
-                    is_new = false;
-                    break;
-                }
-            }
-
-            if (is_new) first.KasPersons.Add(sec);
-            var subperc = second.KasPersons.IndexOf(sec) / second.KasPersons.Count;
-            var percent = (num + (double)subperc) / total * 100;
-            await Dispatcher.UIThread.InvokeAsync(() =>
-            {
-                if (is_new)
-                    _progress.AddToLog($"Person mit refsid {sec.refsid} ergänzt");
-                else
-                    _progress.AddToLog($"Person mit refsid {sec.refsid} bereits vorhanden");
-
-                _progress.ChangePercentage(percent);
-            });
-        }
-
-        return first;
-    }
-}

DataImport.cs

@@ -1,11 +1,22 @@
 using System;
+using System.Collections.Generic;
 using System.IO;
+using System.Linq;
+using System.Reflection;
 
 namespace Logof_Client;
 
 public class DataImport
 {
-    public static (bool, KasAddressList) ImportKasAddressList(Uri pathToCsv, char separator = ',')
+    public static (bool, KasAddressList) ImportKasAddressList(Uri pathToCsv, AddressPatch patch = null,
+        char separator = ',')
+    {
+        if (patch == null)
+            return ImportKasAddressListWithoutPatch(pathToCsv, separator);
+        return ImportKasAddressListWithPatch(pathToCsv, patch, separator);
+    }
+
+    private static (bool, KasAddressList) ImportKasAddressListWithoutPatch(Uri pathToCsv, char separator)
     {
         if (!File.Exists(pathToCsv.LocalPath))
         {
@@ -21,18 +32,19 @@ public class DataImport
             return (false, null);
         }
 
-        var imported = new KasAddressList();
+        var imported = new KasAddressList(KasAddressList.GenerateName(Path.GetFileNameWithoutExtension(pathToCsv.LocalPath)));
+
         while (!reader.EndOfStream)
         {
             var line = reader.ReadLine();
             if (string.IsNullOrWhiteSpace(line))
                 continue;
 
-            var parts = line.Split(separator);
+            var parts = line.Split(separator).Select(p => p.Trim()).ToArray();
 
             if (parts.Length < 24)
             {
-                Console.WriteLine($"No enough columns in line: {line}");
+                Console.WriteLine($"Not enough columns in line: {line}");
                 continue;
             }
 
@@ -49,10 +61,10 @@ public class DataImport
                     parts[7],
                     parts[8],
                     parts[9],
-                    ParseInt(parts[10]),
+                    parts[10],
                     parts[11],
                     parts[12],
-                    ParseInt(parts[13]),
+                    parts[13],
                     parts[14],
                     parts[15],
                     parts[16],
@@ -69,7 +81,7 @@ public class DataImport
             catch (Exception ex)
             {
                 Console.WriteLine($"Error while parsing line: {line} - {ex.Message}");
-                Console.WriteLine($"{ex.StackTrace}");
+                Console.WriteLine(ex.StackTrace);
                 return (false, null);
             }
         }
@@ -77,6 +89,161 @@ public class DataImport
         return (true, imported);
     }
 
+    private static (bool, KasAddressList) ImportKasAddressListWithPatch(Uri pathToCsv, AddressPatch patch,
+        char separator)
+    {
+        if (!File.Exists(pathToCsv.LocalPath))
+        {
+            Console.WriteLine($"File not found: {pathToCsv}");
+            return (false, null);
+        }
+
+        using var reader = new StreamReader(pathToCsv.LocalPath);
+        var headerLine = reader.ReadLine();
+        if (headerLine == null)
+        {
+            Console.WriteLine("File is empty.");
+            return (false, null);
+        }
+
+        var headers = headerLine.Split(separator).Select(h => h.Trim()).ToArray();
+
+        var imported = new KasAddressList(KasAddressList.GenerateName(Path.GetFileNameWithoutExtension(pathToCsv.LocalPath)));
+        var patchType = typeof(AddressPatch);
+        var binding = BindingFlags.Public | BindingFlags.Instance | BindingFlags.IgnoreCase;
+
+        var hasProperties = patchType.GetProperties(binding)
+            .Where(p => p.PropertyType == typeof(bool) && p.Name.StartsWith("has_", StringComparison.OrdinalIgnoreCase))
+            .ToArray();
+
+        var last_refsid = 1000000;
+
+        while (!reader.EndOfStream)
+        {
+            var line = reader.ReadLine();
+            if (string.IsNullOrWhiteSpace(line))
+                continue;
+
+            var parts = line.Split(separator).Select(p => p.Trim()).ToArray();
+
+            var fieldValues = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
+
+            var refsid_existing = false;
+
+            foreach (var hasProp in hasProperties)
+            {
+                var fieldName = hasProp.Name.Substring(4);
+                
+
+                var hasObj = hasProp.GetValue(patch);
+                var has = hasObj is bool b && b;
+
+                var patchProp = patchType.GetProperty(fieldName + "_is", binding);
+
+                string desiredHeader = null;
+                if (has && patchProp != null)
+                    desiredHeader = patchProp.GetValue(patch)?.ToString();
+                else
+                    desiredHeader = fieldName;
+
+                var resolvedValue = "";
+
+                if (!string.IsNullOrEmpty(desiredHeader))
+                {
+                    var idx = Array.FindIndex(headers,
+                        h => string.Equals(h, desiredHeader, StringComparison.OrdinalIgnoreCase));
+                    if (idx >= 0 && idx < parts.Length)
+                    {
+                        resolvedValue = parts[idx];
+                    }
+                    else
+                    {
+                        var altIdx = Array.FindIndex(headers, h =>
+                            string.Equals(h, fieldName, StringComparison.OrdinalIgnoreCase) ||
+                            string.Equals(h, fieldName + "_is", StringComparison.OrdinalIgnoreCase));
+                        
+                        if (altIdx >= 0 && altIdx < parts.Length)
+                            resolvedValue = parts[altIdx];
+                        else
+                            resolvedValue = "";
+                    }
+                }
+
+                fieldValues[fieldName] = resolvedValue ?? "";
+            }
+
+            string GetField(string name)
+            {
+                return fieldValues.TryGetValue(name, out var v) ? v : "";
+            }
+
+            var new_refsid = last_refsid;
+            if (!patch.has_refsid)
+                new_refsid = GenerateNewRefsid();
+            else
+                new_refsid = ParseInt(GetField("refsid"));
+
+            try
+            {
+                var person = new KasPerson(
+                    new_refsid,
+                    GetField("anrede"),
+                    GetField("titel"),
+                    GetField("vorname"),
+                    GetField("adel"),
+                    GetField("name"),
+                    GetField("namezus"),
+                    GetField("anredzus"),
+                    GetField("strasse"),
+                    GetField("strasse2"),
+                    GetField("plz"),
+                    GetField("ort"),
+                    GetField("land"),
+                    GetField("pplz"),
+                    GetField("postfach"),
+                    GetField("name1"),
+                    GetField("name2"),
+                    GetField("name3"),
+                    GetField("name4"),
+                    GetField("name5"),
+                    GetField("funktion"),
+                    GetField("funktion2"),
+                    GetField("abteilung"),
+                    GetField("funktionad")
+                );
+
+                imported.KasPersons.Add(person);
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine($"Error while parsing line: {line} - {ex.Message}");
+                Console.WriteLine(ex.StackTrace);
+                return (false, null);
+            }
+        }
+
+        return (true, imported);
+
+        int GenerateNewRefsid()
+        {
+
+            int biggest = last_refsid;
+            foreach (var set in Settings._instance.addressSets.addresses)
+            {
+                foreach (var address in set.KasPersons)
+                {
+                    if (biggest < address.refsid)
+                    {
+                        biggest = address.refsid+1;
+                    }
+                }
+            }
+            last_refsid = biggest+1;
+            return last_refsid;
+        }
+    }
+
+
     private static int ParseInt(string input)
     {
         return int.TryParse(input, out var result) ? result : 0;

DataStructures.cs

@@ -3,18 +3,63 @@ using System.Collections.Generic;
 
 namespace Logof_Client;
 
-public class KasAddressList
+public class KasAddressList //Address-Set
 {
+    //public List<KasPersonError> errors = new();
     public List<KasPerson> KasPersons;
 
-    public KasAddressList()
+    public KasAddressList(string name)
     {
         KasPersons = new List<KasPerson>();
+        Name = name;
+        foreach (var set in Settings._instance.addressSets.addresses)
+            if (Name == set.Name)
+                Name = name + "-new";
+
+        var highest = 0;
+        foreach (var k in Settings._instance.addressSets.addresses)
+            if (highest <= k.ID)
+                highest = k.ID + 1;
+        ID = highest;
+    }
+
+    public string Name { get; set; } = "Neues Address-Set";
+    public int owner_id { get; set; }
+    public int ID { get; }
+
+    public void SetOwner(int owner_id)
+    {
+        this.owner_id = owner_id;
+    }
+
+    public static string GenerateName(string basic_type, bool? is_rest = false)
+    {
+        if (is_rest == true)
+            return basic_type + " - " + DateTime.Now.ToShortDateString() + " - Rest";
+        return basic_type + " - " + DateTime.Now.ToShortDateString();
+    }
+
+    // public void UpdateErrorList(List<KasPersonError> errorList)
+    // {
+    //     //errors.Clear();
+    //     // foreach (KasPersonError err in errorList)
+    //     // {
+    //     //     
+    //     // }
+    //     //foreach (var error in errorList) errors.Add(new KasPersonError(error));
+    // }
+
+    public static int GetIDByAddressSetListItem(string listItemName)
+    {
+        var id = listItemName.Split(" - ")[0];
+        return int.Parse(id);
     }
 }
 
 public class KasPerson
 {
+    public KasPersonError PersonError = null;
+
     public KasPerson()
     {
         refsid = 0;
@@ -27,10 +72,10 @@ public class KasPerson
         anredzus = "";
         strasse = "";
         strasse2 = "";
-        plz = 0;
+        plz = "";
         ort = "";
         land = "";
-        pplz = 0;
+        pplz = "";
         postfach = "";
         name1 = "";
         name2 = "";
@@ -53,10 +98,10 @@ public class KasPerson
         string anredzus,
         string strasse,
         string strasse2,
-        int plz,
+        string plz,
         string ort,
         string land,
-        int pplz,
+        string pplz,
         string postfach,
         string name1,
         string name2,
@@ -104,10 +149,10 @@ public class KasPerson
     public string anredzus { get; set; }
     public string strasse { get; set; }
     public string strasse2 { get; set; }
-    public int plz { get; set; }
+    public string plz { get; set; }
     public string ort { get; set; }
     public string land { get; set; }
-    public int pplz { get; set; }
+    public string pplz { get; set; }
     public string postfach { get; set; }
     public string name1 { get; set; }
     public string name2 { get; set; }
@@ -122,35 +167,24 @@ public class KasPerson
 
 public class KasPersonError
 {
-    public KasPersonError((int, List<AddressCheck.ErrorTypes>, List<AddressCheck.WarningTypes>) single_result)
+    public KasPersonError((List<AddressCheck.ErrorTypes>, List<AddressCheck.WarningTypes>) single_result)
-    {
-        refsid = single_result.Item1;
-        try
-        {
-            foreach (var err in single_result.Item2) errors += err + ", ";
-            errors = errors.Trim();
-            errors = errors.TrimEnd(',');
-        }
-        catch
     {
+        //refsid = single_result.Item1;
+        errors = single_result.Item1;
+        warnings = single_result.Item2;
     }
 
-        try
+    //public int refsid { get; set; }
-        {
+    public List<AddressCheck.ErrorTypes> errors { get; set; } = new();
-            if (single_result.Item3 != null)
+    public List<AddressCheck.WarningTypes> warnings { get; set; } = new();
-            {
-                foreach (var err in single_result.Item3) warnings += err + ", ";
-                warnings = warnings.Trim();
-                warnings = warnings.TrimEnd(',');
-            }
-        }
-        catch (Exception e)
-        {
-            Console.WriteLine(e.Message);
-        }
-    }
 
-    public int refsid { get; set; }
+    public string GetString()
-    public string errors { get; set; } = "";
+    {
-    public string warnings { get; set; } = "";
+        var output = "";
+        foreach (var error in errors) output += error + ", ";
+
+        foreach (var warning in warnings) output += warning + ", ";
+
+        return output;
+    }
 }

Logof Client.csproj

@@ -9,16 +9,33 @@
     </PropertyGroup>
 
     <ItemGroup>
-    <PackageReference Include="Avalonia" Version="11.3.2" />
+        <PackageReference Include="Avalonia" Version="11.3.2"/>
-    <PackageReference Include="Avalonia.Controls.DataGrid" Version="11.3.2" />
+        <PackageReference Include="Avalonia.Controls.DataGrid" Version="11.3.2"/>
-    <PackageReference Include="Avalonia.Desktop" Version="11.3.2" />
+        <PackageReference Include="Avalonia.Desktop" Version="11.3.2"/>
-    <PackageReference Include="Avalonia.Themes.Fluent" Version="11.3.2" />
+        <PackageReference Include="Avalonia.Themes.Fluent" Version="11.3.2"/>
-    <PackageReference Include="Avalonia.Fonts.Inter" Version="11.3.2" />
+        <PackageReference Include="Avalonia.Fonts.Inter" Version="11.3.2"/>
         <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
         <PackageReference Include="Avalonia.Diagnostics" Version="11.3.2">
             <IncludeAssets Condition="'$(Configuration)' != 'Debug'">None</IncludeAssets>
             <PrivateAssets Condition="'$(Configuration)' != 'Debug'">All</PrivateAssets>
         </PackageReference>
-    <PackageReference Include="Lucide.Avalonia" Version="0.1.35" />
+        <PackageReference Include="Lucide.Avalonia" Version="0.1.35"/>
+        <PackageReference Include="Newtonsoft.Json" Version="13.0.4"/>
+        <PackageReference Include="PdfSharp" Version="6.1.1"/>
+    </ItemGroup>
+
+    <ItemGroup>
+        <None Remove="assets\icon.ico"/>
+        <AvaloniaResource Include="assets\icon.ico">
+            <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+        </AvaloniaResource>
+        <None Remove="assets\calc_man.png"/>
+        <AvaloniaResource Include="assets\calc_man.png">
+            <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+        </AvaloniaResource>
+        <None Remove="assets\loading.mp4"/>
+        <AvaloniaResource Include="assets\loading.mp4">
+            <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+        </AvaloniaResource>
     </ItemGroup>
 </Project>

MainWindow.axaml

@@ -3,44 +3,108 @@
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
-        x:Class="Logof_Client.MainWindow"
+        MinWidth="1000" MinHeight="600" IsVisible="False"
+        x:Class="Logof_Client.MainWindow" WindowState="Maximized" Icon="assets/icon.ico"
         Title="Logof Client">
     <Border>
-        <Grid RowDefinitions="30,*,*">
+        <Grid RowDefinitions="30,*">
             <Menu Background="#50888888">
                 <MenuItem Header="Datei">
-                    <MenuItem Click="MnuSettings_OnClick" x:Name="MnuSettings" Header="Einstellungen" />
+                    <!-- <MenuItem Click="MnuSettings_OnClick" x:Name="MnuSettings" Header="Einstellungen" /> -->
-                    <Separator />
+                    <!-- <Separator /> -->
                     <MenuItem Click="MnuExit_OnClick" x:Name="MnuExit" Header="Beenden" />
                 </MenuItem>
                 <MenuItem Header="Hilfe">
                     <MenuItem Header="Onlinehilfe" x:Name="MnuHelp" Click="MnuHelp_OnClick" />
-                    <MenuItem Header="Github" x:Name="MnuGithub" Click="MnuGithub_OnClick" />
+                    <MenuItem Header="Git" x:Name="MnuGit" Click="MnuGit_OnClick" />
                     <MenuItem Header="Über" x:Name="MnuAbout" Click="MnuAbout_OnClick" />
                 </MenuItem>
             </Menu>
-            <Grid Grid.Row="1">
+            <TabControl Grid.Row="1">
-                <StackPanel Orientation="Horizontal" VerticalAlignment="Center" HorizontalAlignment="Center">
+                <TabItem>
-                    <TextBox x:Name="TbFilename" Watermark="Dateipfad" Width="400" VerticalContentAlignment="Center" />
+                    <TabItem.Header>
-                    <Button x:Name="BtnChooseFile" Margin="10,0,0,0" Click="BtnChooseFile_OnClick">
                         <StackPanel Orientation="Horizontal">
-                            <LucideIcon Kind="FolderOpen" Width="16" Height="16" Size="16" />
+                            <LucideIcon Kind="MapPinHouse" Width="32" Height="32" Size="32" />
-                            <Label Content="Öffnen" VerticalContentAlignment="Center" />
+                            <Label FontSize="20" Content="Addressverwaltung" VerticalContentAlignment="Center" />
+                        </StackPanel>
+                    </TabItem.Header>
+                    <Grid RowDefinitions="2*,*,*">
+                        <Grid ColumnDefinitions="*,*" Grid.Row="0">
+                            <!-- Kunden -->
+                            <Grid Margin="30,30,10,30">
+                                <Grid.RowDefinitions>
+                                    <RowDefinition Height="Auto" />
+                                    <RowDefinition Height="*" />
+                                </Grid.RowDefinitions>
+
+                                <StackPanel Orientation="Horizontal" Grid.Row="0">
+                                    <LucideIcon Kind="CircleUser" Width="16" Height="16" Size="16" />
+                                    <Label Content="Kunden" VerticalContentAlignment="Center" />
+                                </StackPanel>
+
+                                <ListBox Grid.Row="1"
+                                         Margin="0,5,0,0"
+                                         x:Name="LstCustomers"
+                                         Background="AliceBlue" SelectionChanged="LstCustomers_OnSelectionChanged"
+                                         SelectionMode="Single" />
+                            </Grid>
+
+                            <!-- Address-Sets -->
+                            <Grid Margin="10,30,30,30" Grid.Column="1">
+                                <Grid.RowDefinitions>
+                                    <RowDefinition Height="Auto" />
+                                    <RowDefinition Height="*" />
+                                    <RowDefinition Height="Auto" />
+                                </Grid.RowDefinitions>
+
+                                <StackPanel Orientation="Horizontal" Grid.Row="0">
+                                    <LucideIcon Kind="NotebookTabs" Width="16" Height="16" Size="16" />
+                                    <Label Content="Address-Sets" VerticalContentAlignment="Center" />
+                                </StackPanel>
+
+                                <ListBox Grid.Row="1"
+                                         x:Name="LstCustomerAdressSets"
+                                         SelectionChanged="LstCustomerAdressSets_OnSelectionChanged"
+                                         Background="AliceBlue"
+                                         Margin="0,5,0,5"
+                                         SelectionMode="Multiple,Toggle" />
+
+                                <Button Grid.Row="2" HorizontalAlignment="Stretch" x:Name="BtnCustomerAddressSetImport"
+                                        Click="BtnCustomerAddressSetImport_OnClick">
+                                    <StackPanel Orientation="Horizontal">
+                                        <LucideIcon Kind="Plus" Width="16" Height="16" Size="16" />
+                                        <Label Content="Importieren" VerticalContentAlignment="Center" />
                                     </StackPanel>
                                 </Button>
-                </StackPanel>
                             </Grid>
-            <Grid Grid.ColumnDefinitions="*,*" Grid.Row="2">
+                        </Grid>
+                        <!-- <Grid Grid.Row="0"> -->
+                        <!--     <StackPanel Orientation="Horizontal" VerticalAlignment="Center" -->
+                        <!--                 HorizontalAlignment="Center"> -->
+                        <!--         <TextBox x:Name="TbFilename" Watermark="Dateipfad" Width="400" -->
+                        <!--                  VerticalContentAlignment="Center" /> -->
+                        <!--         <Button x:Name="BtnChooseFile" Margin="10,0,0,0" Click="BtnChooseFile_OnClick"> -->
+                        <!--             <StackPanel Orientation="Horizontal"> -->
+                        <!--                 <LucideIcon Kind="FolderOpen" Width="16" Height="16" Size="16" /> -->
+                        <!--                 <Label Content="Öffnen" VerticalContentAlignment="Center" /> -->
+                        <!--             </StackPanel> -->
+                        <!--         </Button> -->
+                        <!--     </StackPanel> -->
+                        <!-- </Grid> -->
+                        <Grid Grid.ColumnDefinitions="*,*" Grid.Row="1">
                             <StackPanel Grid.Column="0" Width="250" Orientation="Vertical" HorizontalAlignment="Right"
                                         Margin="0,0,5,0">
-                    <Button HorizontalAlignment="Stretch" HorizontalContentAlignment="Center" Margin="0,0,0,10"
+                                <Button HorizontalAlignment="Stretch" HorizontalContentAlignment="Center"
+                                        Margin="0,0,0,10" IsEnabled="False"
                                         x:Name="BtnCheck" Click="BtnCheck_OnClick">
                                     <StackPanel Orientation="Horizontal">
                                         <LucideIcon Kind="SpellCheck" Width="36" Height="36" />
-                            <Label Content="Prüfen" VerticalContentAlignment="Center" FontSize="15" FontWeight="Bold" />
+                                        <Label Content="Prüfen" VerticalContentAlignment="Center" FontSize="15"
+                                               FontWeight="Bold" />
                                     </StackPanel>
                                 </Button>
-                    <Button HorizontalAlignment="Stretch" IsEnabled="True" HorizontalContentAlignment="Center"
+                                <Button HorizontalAlignment="Stretch" IsEnabled="False"
+                                        HorizontalContentAlignment="Center"
                                         Click="BtnCombine_OnClick" x:Name="BtnCombine"
                                         Margin="0,0,0,10">
                                     <StackPanel Orientation="Horizontal">
@@ -49,7 +113,8 @@
                                                FontWeight="Bold" />
                                     </StackPanel>
                                 </Button>
-                    <Button HorizontalAlignment="Stretch" IsEnabled="False" HorizontalContentAlignment="Center"
+                                <Button HorizontalAlignment="Stretch" IsEnabled="False"
+                                        HorizontalContentAlignment="Center" x:Name="BtnRepair"
                                         Margin="0,0,0,10">
                                     <StackPanel Orientation="Horizontal">
                                         <LucideIcon Kind="Hammer" Width="36" Height="36" />
@@ -60,23 +125,344 @@
                             </StackPanel>
                             <StackPanel Grid.Column="1" Width="250" Orientation="Vertical" HorizontalAlignment="Left"
                                         Margin="5,0,0,0">
-                    <Button HorizontalAlignment="Stretch" IsEnabled="False" HorizontalContentAlignment="Center"
+                                <Button HorizontalAlignment="Stretch" IsEnabled="False"
+                                        HorizontalContentAlignment="Center" x:Name="BtnShorten"
                                         Margin="0,0,0,10">
                                     <StackPanel Orientation="Horizontal">
                                         <LucideIcon Kind="ListX" Width="36" Height="36" />
-                            <Label Content="Kürzen" VerticalContentAlignment="Center" FontSize="15" FontWeight="Bold" />
+                                        <Label Content="Kürzen" VerticalContentAlignment="Center" FontSize="15"
+                                               FontWeight="Bold" />
                                     </StackPanel>
                                 </Button>
-                    <Button HorizontalAlignment="Stretch" IsEnabled="False" HorizontalContentAlignment="Center"
+                                <Button HorizontalAlignment="Stretch" IsEnabled="False"
+                                        Click="BtnGenerateLabels_OnClick"
+                                        HorizontalContentAlignment="Center" x:Name="BtnGenerateLabels"
                                         Margin="0,0,0,10">
                                     <StackPanel Orientation="Horizontal">
                                         <LucideIcon Kind="Tags" Width="36" Height="36" />
-                            <Label Content="Etiketten generieren" VerticalContentAlignment="Center" FontSize="15"
+                                        <Label Content="Etiketten generieren" VerticalContentAlignment="Center"
+                                               FontSize="15"
                                                FontWeight="Bold" />
                                     </StackPanel>
                                 </Button>
                             </StackPanel>
                         </Grid>
+                        <Grid Grid.Row="2" Margin="20" IsVisible="True" x:Name="GrdCalcMan">
+                            <Image Source="assets/calc_man.png" VerticalAlignment="Center" HorizontalAlignment="Center" />
                         </Grid>
+                        <Grid Grid.Row="2" Margin="20" IsVisible="False" x:Name="GrdCombineTypes">
+                            <StackPanel Orientation="Vertical">
+                                <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Spacing="10"
+                                            Margin="5,0,0,0">
+                                    <Button HorizontalAlignment="Stretch" MinWidth="240"
+                                            HorizontalContentAlignment="Center" x:Name="BtnCombineUnion"
+                                            Click="BtnCombineUnion_OnClick"
+                                            Margin="0,0,0,10">
+                                        <StackPanel Orientation="Vertical">
+                                            <StackPanel Orientation="Horizontal">
+                                                <LucideIcon Kind="SquaresUnite" Width="36" Height="36" />
+                                                <Label Content="Vereinigung" VerticalContentAlignment="Center"
+                                                       FontSize="15"
+                                                       FontWeight="Bold" />
+                                            </StackPanel>
+                                            <Label FontSize="9"
+                                                   Content="Fügt Elemente beider Mengen in eine Menge zusammen" />
+                                        </StackPanel>
+                                    </Button>
+                                    <Button HorizontalAlignment="Stretch" MinWidth="240"
+                                            HorizontalContentAlignment="Center" x:Name="BtnCombineIntersect"
+                                            Click="BtnCombineIntersection_OnClick"
+                                            Margin="0,0,0,10">
+                                        <StackPanel Orientation="Vertical">
+                                            <StackPanel Orientation="Horizontal">
+                                                <LucideIcon Kind="SquaresIntersect" Width="36" Height="36" />
+                                                <Label Content="Schnittmenge" VerticalContentAlignment="Center"
+                                                       FontSize="15"
+                                                       FontWeight="Bold" />
+                                            </StackPanel>
+                                            <Label FontSize="9"
+                                                   Content="Überträgt nur doppelte Elemente in die neue Menge" />
+                                        </StackPanel>
+
+                                    </Button>
+                                    <Button HorizontalAlignment="Stretch" MinWidth="240"
+                                            HorizontalContentAlignment="Center" x:Name="BtnCombineDifference"
+                                            Click="BtnCombineDifference_OnClick"
+                                            Margin="0,0,0,10">
+                                        <StackPanel Orientation="Vertical">
+                                            <StackPanel Orientation="Horizontal">
+                                                <LucideIcon Kind="SquaresSubtract" Width="36" Height="36" />
+                                                <Label Content="Differenz" VerticalContentAlignment="Center"
+                                                       FontSize="15"
+                                                       FontWeight="Bold" />
+                                            </StackPanel>
+                                            <Label FontSize="9"
+                                                   Content="Elemente der ersten Menge ohne Elemente der zweiten Menge" />
+                                        </StackPanel>
+
+                                    </Button>
+                                    <Button HorizontalAlignment="Stretch" MinWidth="240"
+                                            HorizontalContentAlignment="Center" x:Name="BtnCombineSymmetric"
+                                            Click="BtnCombineSymmetricDifference_OnClick"
+                                            Margin="0,0,0,10">
+                                        <StackPanel Orientation="Vertical">
+                                            <StackPanel Orientation="Horizontal">
+                                                <LucideIcon Kind="SquaresExclude" Width="36" Height="36" />
+                                                <Label Content="Symmetrische Differenz"
+                                                       VerticalContentAlignment="Center"
+                                                       FontSize="15"
+                                                       FontWeight="Bold" />
+                                            </StackPanel>
+                                            <Label FontSize="9" Content="Nur Elemente, die NICHT doppelt sind" />
+                                        </StackPanel>
+
+                                    </Button>
+                                </StackPanel>
+                                <CheckBox HorizontalAlignment="Center" x:Name="CbMergeExportUnmerged" IsChecked="False">Speichere Unverarbeitete in neuem Verteiler</CheckBox>
+                            </StackPanel>
+                        </Grid>
+                    </Grid>
+                </TabItem>
+                <TabItem IsEnabled="False">
+                    <TabItem.Header>
+                        <StackPanel Orientation="Horizontal">
+                            <LucideIcon Kind="Users" Width="32" Height="32" Size="32" />
+                            <Label FontSize="20" Content="Personalverwaltung" VerticalContentAlignment="Center" />
+                        </StackPanel>
+                    </TabItem.Header>
+                </TabItem>
+                <TabItem IsEnabled="False">
+                    <TabItem.Header>
+                        <StackPanel Orientation="Horizontal">
+                            <LucideIcon Kind="BadgeEuro" Width="32" Height="32" Size="32" />
+                            <Label FontSize="20" Content="Finanzverwaltung" VerticalContentAlignment="Center" />
+                        </StackPanel>
+                    </TabItem.Header>
+                </TabItem>
+                <TabItem IsEnabled="False">
+                    <TabItem.Header>
+                        <StackPanel Orientation="Horizontal">
+                            <LucideIcon Kind="ReceiptEuro" Width="32" Height="32" Size="32" />
+                            <Label FontSize="20" Content="Preisverwaltung" VerticalContentAlignment="Center" />
+                        </StackPanel>
+                    </TabItem.Header>
+                </TabItem>
+                <TabItem IsEnabled="False">
+                    <TabItem.Header>
+                        <StackPanel Orientation="Horizontal">
+                            <LucideIcon Kind="LibraryBig" Width="32" Height="32" Size="32" />
+                            <Label FontSize="20" Content="Wiki" VerticalContentAlignment="Center" />
+                        </StackPanel>
+                    </TabItem.Header>
+                </TabItem>
+                <TabItem IsEnabled="True">
+                    <TabItem.Header>
+                        <StackPanel Orientation="Horizontal">
+                            <LucideIcon Kind="Settings" Width="32" Height="32" Size="32" />
+                            <Label FontSize="20" Content="Einstellungen" VerticalContentAlignment="Center" />
+                        </StackPanel>
+                    </TabItem.Header>
+                    <TabControl>
+                        <TabItem>
+                            <TabItem.Header>
+                                <StackPanel Orientation="Horizontal">
+                                    <LucideIcon Kind="FileCog" Width="16" Height="16" Size="16" />
+                                    <Label FontSize="16" Content="Global" VerticalContentAlignment="Center" />
+                                </StackPanel>
+                            </TabItem.Header>
+                            <StackPanel Orientation="Vertical">
+                                <Grid ColumnDefinitions="400,*">
+                                    <Label Grid.Column="0">config-Datei</Label>
+                                    <StackPanel Grid.Column="1" Orientation="Horizontal" Spacing="5">
+                                        <TextBox x:Name="TbConfigPath" HorizontalAlignment="Stretch"
+                                                 Watermark="/home/username/.config/logofclient/config.json" />
+                                        <Button>
+                                            <Button.Content>
+                                                <StackPanel Orientation="Horizontal">
+                                                    <LucideIcon Kind="File" Width="16" Height="16" Size="16" />
+                                                    <Label Content="Öffnen..." VerticalContentAlignment="Center" />
+                                                </StackPanel>
+                                            </Button.Content>
+                                        </Button>
+                                    </StackPanel>
+                                </Grid>
+                            </StackPanel>
+                        </TabItem>
+                        <TabItem>
+                            <TabItem.Header>
+                                <StackPanel Orientation="Horizontal">
+                                    <LucideIcon Kind="Contact" Width="16" Height="16" Size="16" />
+                                    <Label FontSize="16" Content="Kunden" VerticalContentAlignment="Center" />
+                                </StackPanel>
+                            </TabItem.Header>
+                            <Grid ColumnDefinitions="300,*">
+                                <Grid RowDefinitions="*,60">
+                                    <ListBox x:Name="LstSettingsCustomers"
+                                             SelectionChanged="LstSettingsCustomers_OnSelectionChanged" />
+                                    <Button Grid.Row="1" HorizontalAlignment="Stretch" x:Name="BtnSettingsAddCustomer"
+                                            Click="BtnSettingsAddCustomer_OnClick"
+                                            HorizontalContentAlignment="Center">
+                                        <StackPanel Orientation="Horizontal">
+                                            <LucideIcon Kind="Plus" Width="32" Height="32" />
+                                            <Label Content="Hinzufügen" VerticalContentAlignment="Center" FontSize="15"
+                                                   FontWeight="Bold" />
+                                        </StackPanel>
+                                    </Button>
+                                </Grid>
+                                <StackPanel Margin="10,0,0,0" Grid.Column="1" Spacing="10" Orientation="Vertical">
+                                    <StackPanel Orientation="Horizontal">
+                                        <LucideIcon Kind="TableProperties" Width="24" Height="24" />
+                                        <Label Content="Eigenschaften" VerticalContentAlignment="Center" FontSize="15"
+                                               FontWeight="Bold" />
+                                    </StackPanel>
+                                    <Grid ColumnDefinitions="150,*">
+                                        <Label Content="Name" />
+                                        <TextBox Grid.Column="1" Watermark="Kundenbezeichnung"
+                                                 TextChanged="TbSettingsCustomerName_OnTextChanged"
+                                                 HorizontalAlignment="Stretch"
+                                                 x:Name="TbSettingsCustomerName" />
+                                    </Grid>
+                                    <Grid ColumnDefinitions="150,*">
+                                        <Label Content="Beschreibung" />
+                                        <TextBox Grid.Column="1" Watermark="Kundenbeschreibung"
+                                                 HorizontalAlignment="Stretch"
+                                                 TextChanged="TbSettingsCustomerDescription_OnTextChanged"
+                                                 x:Name="TbSettingsCustomerDescription" />
+                                    </Grid>
+                                    <Grid ColumnDefinitions="150,*">
+                                        <Label Content="Absenderadresse" />
+                                        <TextBox Grid.Column="1" Watermark="Absenderadresse"
+                                                 HorizontalAlignment="Stretch"
+                                                 TextChanged="TbSettingsCustomerSenderAddress_OnTextChanged"
+                                                 x:Name="TbSettingsCustomerSenderAddress" />
+                                    </Grid>
+                                    <Grid ColumnDefinitions="150,*">
+                                        <Label Content="CSV-Trennzeichen" />
+                                        <TextBox Grid.Column="1" Watermark=","
+                                                 HorizontalAlignment="Stretch"
+                                                 TextChanged="TbSettingsCustomerCsvSeparator_OnTextChanged"
+                                                 x:Name="TbSettingsCustomerCsvSeparator" />
+                                    </Grid>
+                                    <Grid ColumnDefinitions="150,*">
+                                        <Label Content="Address-Patch-Info" />
+                                        <TextBlock Grid.Column="1"
+                                                   HorizontalAlignment="Stretch"
+                                                   x:Name="TbSettingsCustomerPatchInfo" />
+                                    </Grid>
+                                    <Button HorizontalAlignment="Stretch"
+                                            x:Name="BtnSettingsImportCustomerAddressPatch"
+                                            Click="BtnSettingsImportCustomerAddressPatch_OnClick"
+                                            HorizontalContentAlignment="Center">
+                                        <StackPanel Orientation="Horizontal">
+                                            <LucideIcon Kind="Route" Width="16" Height="16" Size="16" />
+                                            <Label FontSize="16" Content="Address-Patch importieren..."
+                                                   VerticalContentAlignment="Center" />
+                                        </StackPanel>
+                                    </Button>
+                                    <Button HorizontalAlignment="Stretch" x:Name="BtnSettingsSaveCustomerData"
+                                            Click="BtnSettingsSaveCustomerData_OnClick"
+                                            HorizontalContentAlignment="Center">
+                                        <StackPanel Orientation="Horizontal">
+                                            <LucideIcon Kind="Save" Width="16" Height="16" Size="16" />
+                                            <Label FontSize="16" Content="Speichern"
+                                                   VerticalContentAlignment="Center" />
+                                        </StackPanel>
+                                    </Button>
+                                    <Button Background="#99963434" HorizontalAlignment="Stretch"
+                                            HorizontalContentAlignment="Center">
+                                        <StackPanel Orientation="Horizontal">
+                                            <LucideIcon Kind="Trash" Width="16" Height="16" Size="16" />
+                                            <Label FontSize="16" Content="Löschen" VerticalContentAlignment="Center" />
+                                        </StackPanel>
+                                    </Button>
+                                </StackPanel>
+                            </Grid>
+                        </TabItem>
+                        <TabItem>
+                            <TabItem.Header>
+                                <StackPanel Orientation="Horizontal">
+                                    <LucideIcon Kind="Globe" Width="16" Height="16" Size="16" />
+                                    <Label FontSize="16" Content="Länder" VerticalContentAlignment="Center" />
+                                </StackPanel>
+                            </TabItem.Header>
+                            <Grid ColumnDefinitions="*,*">
+                                <Grid Grid.Column="0" Margin="5">
+                                    <Grid.RowDefinitions>
+                                        <RowDefinition Height="*" />
+                                        <RowDefinition Height="Auto" />
+                                    </Grid.RowDefinitions>
+
+                                    <ListBox x:Name="CountryList" Grid.Row="0"
+                                             SelectionChanged="CountryList_OnSelectionChanged" />
+
+                                    <Grid Grid.Row="1" ColumnDefinitions="*,250" Margin="0,5,0,0">
+                                        <TextBox x:Name="TbSettingsNewCountry" />
+                                        <Button Grid.Column="1" x:Name="BtnSettingsNewCountry"
+                                                HorizontalAlignment="Stretch" Click="BtnSettingsNewCountry_OnClick"
+                                                HorizontalContentAlignment="Center" Content="+ Hinzufügen"
+                                                Margin="5,0,0,0" />
+                                    </Grid>
+                                </Grid>
+
+                                <Grid Grid.Column="1" Margin="5">
+                                    <Grid.RowDefinitions>
+                                        <RowDefinition Height="Auto" />
+                                        <RowDefinition Height="Auto" />
+                                        <RowDefinition Height="*" />
+                                    </Grid.RowDefinitions>
+
+                                    <Grid ColumnDefinitions="300,*" Margin="0,0,0,5">
+                                        <TextBlock Text="Name:" VerticalAlignment="Center" />
+                                        <TextBox Grid.Column="1" x:Name="TbSettingsCountryName"
+                                                 TextChanged="TbSettingsCountryName_OnTextChanged" />
+                                    </Grid>
+
+                                    <Grid ColumnDefinitions="300,*" Margin="0,0,0,5" Grid.Row="1">
+                                        <TextBlock Text="Übersetzung:" VerticalAlignment="Center" />
+                                        <TextBox Grid.Column="1" x:Name="TbSettingsCountryTranslation"
+                                                 TextChanged="TbSettingsCountryTranslation_OnTextChanged" />
+                                    </Grid>
+
+                                    <Grid Grid.Row="2">
+                                        <Grid.RowDefinitions>
+                                            <RowDefinition Height="*" />
+                                            <RowDefinition Height="Auto" />
+                                            <RowDefinition Height="Auto" />
+                                            <RowDefinition Height="Auto" />
+                                        </Grid.RowDefinitions>
+
+                                        <ListBox x:Name="LbSettingsAlternatives" Grid.Row="0" SelectionMode="Multiple" />
+
+                                        <Grid Grid.Row="1" ColumnDefinitions="*,200" Margin="0,5,0,0">
+                                            <TextBox x:Name="TbSettingsNewCountryAlternative"
+                                                     Watermark="Kürzel/Alternative" />
+                                            <Button Grid.Column="1" x:Name="BtnSettingsNewCountryAlternative"
+                                                    Content="+ Hinzufügen" Margin="5 0 0 0"
+                                                    HorizontalContentAlignment="Center"
+                                                    Click="BtnSettingsNewCountryAlternative_OnClick"
+                                                    HorizontalAlignment="Stretch" />
+                                        </Grid>
+
+                                        <Button x:Name="BtnSettingsRemoveSelectedAlternatives" Grid.Row="2"
+                                                Content="Ausgewählte Entfernen" Background="#99963434"
+                                                HorizontalContentAlignment="Center"
+                                                HorizontalAlignment="Stretch"
+                                                Click="BtnSettingsRemoveSelectedAlternatives_OnClick"
+                                                Margin="0,5,0,0" />
+
+                                        <Button Grid.Row="3"
+                                                Content="Land Entfernen" Background="#99963434"
+                                                HorizontalContentAlignment="Center" x:Name="BtnSettingsRemoveCountry"
+                                                HorizontalAlignment="Stretch" Click="BtnSettingsRemoveCountry_OnClick"
+                                                Margin="0,5,0,0" />
+                                    </Grid>
+                                </Grid>
+                            </Grid>
+                        </TabItem>
+                    </TabControl>
+                </TabItem>
+            </TabControl>
+        </Grid>
+
     </Border>
 </Window>

MainWindow.axaml.cs

@@ -1,6 +1,6 @@
 using System;
 using System.Collections.Generic;
-using System.IO;
+using System.Diagnostics;
 using System.Threading.Tasks;
 using Avalonia.Controls;
 using Avalonia.Interactivity;
@@ -11,48 +11,69 @@ namespace Logof_Client;
 public partial class MainWindow : Window
 {
     public static MainWindow _instance;
+
+    private Country _selectedCountry;
+    private bool _suppressCountryRefresh = false;
     public Uri filePath;
 
     public MainWindow()
     {
         InitializeComponent();
+        //Hide();
+
+        var s = new StartupWindow();
+        //s.Show();
+
         _instance = this;
-        // try
+        WindowState = WindowState.Maximized;
-        // {
+        Global.Load();
-        //     var temppath = "kaspersons.csv";
+        Settings.Load();
-        //     var result = DataImport.ImportKasAddressList(new Uri(temppath));
+
-        //     if (result.Item1)
+        RefreshCountryView();
-        //     {
+
-        //         var check_result = new AddressCheck().Perform(result.Item2);
+        //Thread.Sleep(3000);
-        //         foreach (var item in check_result.Result)
+        //Show();
-        //         {
-        //             Console.WriteLine();
-        //             Console.Write(item.Item1 + " ");
-        //             foreach (var error in item.Item2) Console.Write(error + ", ");
-        //         }
-        //     }
-        // }
-        // catch
-        // {
-        // }
     }
 
-    private async void StartAddressCheck(Uri path)
+    private async void StartAddressCheck(int addresSetID)
+    {
+        //var addresses = DataImport.ImportKasAddressList(path); // Ihr Code hier
+
+        var progressWindow = new ProgressWindow();
+
+        progressWindow.Show(_instance);
+
+        var processor = new AddressCheck(progressWindow);
+        var result = await processor.Perform(addresSetID);
+
+        // foreach (var item in result)
+        // {
+        // }
+
+        progressWindow.Close();
+
+
+        new ResultWindow(result, addresSetID).Show();
+
+
+        //await MessageBox.Show(_instance, $"{result.Count} Einträge fehlerhaft.", "Fertig");
+    }
+
+    private async void StartAddressRepair(Uri path)
     {
         var addresses = DataImport.ImportKasAddressList(path); // Ihr Code hier
         var progressWindow = new ProgressWindow();
 
-        // Fenster anzeigen (nicht blockierend)
         progressWindow.Show(_instance);
 
-        var processor = new AddressCheck(progressWindow);
+        var processor = new AddressRepair(progressWindow);
-        var result = await processor.Perform(addresses.Item2);
+        //var result = await processor.Perform(addresses.Item2, errors);
+
 
-        // Nach Verarbeitung schließen
         progressWindow.Close();
 
-        // Ergebnis anzeigen, z.B. als Dialog
+
-        new ResultWindow(result, addresses.Item2).Show();
+        //new ResultWindow(result, addresses.Item2).Show();
         //await MessageBox.Show(_instance, $"{result.Count} Einträge fehlerhaft.", "Fertig");
     }
 
@@ -66,19 +87,25 @@ public partial class MainWindow : Window
         throw new NotImplementedException();
     }
 
-    private void MnuSettings_OnClick(object? sender, RoutedEventArgs e)
-    {
-        throw new NotImplementedException();
-    }
-
     private void MnuHelp_OnClick(object? sender, RoutedEventArgs e)
     {
         throw new NotImplementedException();
     }
 
-    private void MnuGithub_OnClick(object? sender, RoutedEventArgs e)
+    private void MnuGit_OnClick(object? sender, RoutedEventArgs e)
     {
-        throw new NotImplementedException();
+        try
+        {
+            Process.Start(new ProcessStartInfo
+            {
+                FileName = "https://git.mypapercloud.de/fierke/logofclient",
+                UseShellExecute = true // Wichtig für Plattformübergreifendes Öffnen
+            });
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"Fehler beim Öffnen des Links: {ex.Message}");
+        }
     }
 
     private async void BtnChooseFile_OnClick(object? sender, RoutedEventArgs e)
@@ -99,19 +126,25 @@ public partial class MainWindow : Window
         });
 
         if (file == null) return;
-        TbFilename.Text = file[0].Path.ToString();
+        //TbFilename.Text = file[0].Path.ToString();
         filePath = file[0].Path;
     }
 
     private void BtnCheck_OnClick(object? sender, RoutedEventArgs e)
     {
-        if (filePath == null)
+        MakeCalcManVisible();
+        if (LstCustomerAdressSets.SelectedIndex == -1)
         {
-            MessageBox.Show(null, "Bitte zunächst eine Datei auswählen", "Datei fehlt");
+            MessageBox.Show(null, "Bitte zunächst ein Adress-Set auswählen", "Kein Adress-Set ausgewählt");
             return;
         }
 
-        StartAddressCheck(filePath);
+        //var set = new KasAddressList("");
+        //foreach (var adset in Settings._instance.addressSets.addresses)
+        //if (adset.ID == KasAddressList.GetIDByAddressSetListItem(LstCustomerAdressSets.SelectedItem.ToString()))
+        StartAddressCheck(KasAddressList.GetIDByAddressSetListItem(LstCustomerAdressSets.SelectedItem.ToString()));
+
+
         // var result = DataImport.ImportKasAddressList(filePath);
         // if (result.Item1)
         // {
@@ -127,17 +160,19 @@ public partial class MainWindow : Window
 
     private void BtnCombine_OnClick(object? sender, RoutedEventArgs e)
     {
-        if (filePath == null)
+        GrdCalcMan.IsVisible = false;
-        {
+        GrdCombineTypes.IsVisible = true;
-            MessageBox.Show(null, "Bitte zunächst eine Datei auswählen", "Datei fehlt");
-            return;
     }
 
-        StartCombine(filePath);
+    private void MakeCalcManVisible()
+    {
+        GrdCalcMan.IsVisible = true;
+        GrdCombineTypes.IsVisible = false;
     }
 
     private async void StartCombine(Uri path)
     {
+        MakeCalcManVisible();
         var addresses = DataImport.ImportKasAddressList(path);
         var progressWindow = new ProgressWindow();
         var address_list = new List<KasAddressList> { addresses.Item2 };
@@ -166,14 +201,14 @@ public partial class MainWindow : Window
         progressWindow.Show(_instance);
 
         var processor = new CombineAddresses(progressWindow);
-        var result = await processor.Perform(address_list);
+        //var result = await processor.Perform(address_list);
 
 
         progressWindow.Close();
-        File.WriteAllText(OpenSettingsSaveAsDialog().Result,
+        //File.WriteAllText(OpenSettingsSaveAsDialog().Result,
-            new CsvBuilder(
+        //new CsvBuilder(
-                "refsid,anrede,titel,vorname,adel,name,namezus,anredzus,strasse,strasse2,plz,ort,land,pplz,postfach,name1,name2,name3,name4,name5,funktion,funktion2,abteilung,funktionad,lastupdate",
+        //"refsid,anrede,titel,vorname,adel,name,namezus,anredzus,strasse,strasse2,plz,ort,land,pplz,postfach,name1,name2,name3,name4,name5,funktion,funktion2,abteilung,funktionad,lastupdate",
-                result).BuildKas());
+        //result).BuildKas());
     }
 
     private async Task<string> OpenSettingsSaveAsDialog()
@@ -204,9 +239,484 @@ public partial class MainWindow : Window
         }
         catch (Exception ex)
         {
-            //Logger.Log("Saving file not successfull: " + ex.Message, Logger.LogType.Error);
+            //Logger.Log("Saving file not successful: " + ex.Message, Logger.LogType.Error);
             await MessageBox.Show(this, ex.Message, "Fehler beim Speichern der Datei");
             return null;
         }
     }
+
+    private async void StartCombine(List<KasAddressList> address_lists, int owner_id, string type)
+    {
+        var progressWindow = new ProgressWindow();
+
+        progressWindow.Show(_instance);
+
+        var processor = new CombineAddresses(progressWindow);
+        var result = await processor.Perform(address_lists, type, CbMergeExportUnmerged.IsChecked);
+
+        if (result.Item1 != null)
+            result.Item1.owner_id = owner_id;
+        if (result.Item2 != null)
+            result.Item2.owner_id = owner_id;
+        if (result.Item1 != null)
+            Settings._instance.addressSets.addresses.Add(result.Item1);
+        if (result.Item2 != null)
+            Settings._instance.addressSets.addresses.Add(result.Item2);
+        Settings.Save();
+        progressWindow.Close();
+
+
+        //new ResultWindow(result, addresSetID).Show();
+    }
+
+
+    private void BtnSettingsAddCustomer_OnClick(object? sender, RoutedEventArgs e)
+    {
+        Settings._instance.customers.customers.Add(new Customer());
+        TbSettingsCustomerDescription.Text = "";
+        TbSettingsCustomerName.Text = "";
+        TbSettingsCustomerPatchInfo.Text = "";
+
+        Settings.Save();
+        RefreshCustomerItems();
+        try
+        {
+            LstSettingsCustomers.SelectedIndex = LstSettingsCustomers.Items.Count - 1;
+        }
+        catch
+        {
+        }
+    }
+
+    private void TbSettingsCustomerName_OnTextChanged(object? sender, TextChangedEventArgs e)
+    {
+        if (LstSettingsCustomers.SelectedIndex == null || LstSettingsCustomers.SelectedIndex == -1) return;
+        foreach (var customer in Settings._instance.customers.customers)
+            if (customer.ID == Settings._instance.customers.current)
+                customer.name = TbSettingsCustomerName.Text;
+        //Settings.Save();
+        //RefreshCustomerItems();
+    }
+
+    private void LstSettingsCustomers_OnSelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        if (LstSettingsCustomers.SelectedIndex < 0) return;
+        Settings._instance.customers.current =
+            Customer.GetIDByCustomerListItem(LstSettingsCustomers.SelectedItems[0].ToString());
+        foreach (var customer in Settings._instance.customers.customers)
+            if (customer.ID == Settings._instance.customers.current)
+            {
+                TbSettingsCustomerDescription.Text = customer.description;
+                TbSettingsCustomerName.Text = customer.name;
+                TbSettingsCustomerSenderAddress.Text = customer.sender_address;
+                TbSettingsCustomerCsvSeparator.Text = customer.separator.ToString();
+                if (customer.patch != null)
+                    TbSettingsCustomerPatchInfo.Text = customer.patch.ToString();
+                else
+                    TbSettingsCustomerPatchInfo.Text = "";
+            }
+    }
+
+    public void RefreshCustomerItems(int index = 0)
+    {
+        if (LstCustomers.Items.Count > 0)
+            LstCustomers.SelectedIndex = -1;
+        else
+            LstCustomers.SelectedItem = null;
+
+        LstCustomers.Items.Clear();
+        if (LstSettingsCustomers.Items.Count > 0)
+            LstSettingsCustomers.SelectedIndex = -1;
+        else
+            LstSettingsCustomers.SelectedItem = null;
+
+        LstSettingsCustomers.Items.Clear();
+        foreach (var customer in Settings._instance.customers.customers)
+        {
+            LstCustomers.Items.Add(customer.ID + " - " + customer.name);
+            LstSettingsCustomers.Items.Add(customer.ID + " - " + customer.name);
+        }
+
+        try
+        {
+            LstSettingsCustomers.SelectedIndex = index;
+        }
+        catch
+        {
+        }
+    }
+
+    private void TbSettingsCustomerDescription_OnTextChanged(object? sender, TextChangedEventArgs e)
+    {
+        if (LstSettingsCustomers.SelectedIndex == null || LstSettingsCustomers.SelectedIndex == -1) return;
+        foreach (var customer in Settings._instance.customers.customers)
+            if (customer.ID == Settings._instance.customers.current)
+                customer.description = TbSettingsCustomerDescription.Text;
+        //Settings.Save();
+    }
+
+    private void BtnSettingsSaveCustomerData_OnClick(object? sender, RoutedEventArgs e)
+    {
+        Settings.Save();
+        RefreshCustomerItems(LstSettingsCustomers.SelectedIndex);
+    }
+
+    private void LstCustomers_OnSelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        MakeCalcManVisible();
+        if (LstCustomers.SelectedItems == null || LstCustomers.SelectedIndex == -1) return;
+        var customer_id = int.Parse(LstCustomers.SelectedItem.ToString().Split(" - ")[0]);
+        RefreshAddressSetListItems(customer_id);
+    }
+
+    private async void BtnCustomerAddressSetImport_OnClick(object? sender, RoutedEventArgs e)
+    {
+        MakeCalcManVisible();
+        var opts = new FilePickerOpenOptions();
+        opts.Title = "Address-Set importieren...";
+        opts.AllowMultiple = false;
+
+        var type = new FilePickerFileType("CSV-Dateien (*.csv)");
+        type.Patterns = new[] { "*.csv" };
+        opts.FileTypeFilter = new[] { type };
+
+        var paths = await StorageProvider.OpenFilePickerAsync(opts);
+
+        if (paths?.Count <= 0) return;
+
+        if (LstCustomers.SelectedIndex < 0) return;
+
+
+        var selected_path = paths[0].Path;
+
+        foreach (var customer in Settings._instance.customers.customers)
+            if (customer.ID == Customer.GetIDByCustomerListItem(LstCustomers.SelectedItems[0].ToString()))
+            {
+                if (customer.patch == null)
+                {
+                    var got = DataImport.ImportKasAddressList(selected_path, null, customer.separator);
+                    if (!got.Item1)
+                    {
+                        Console.WriteLine("Error while importing. Please try another file.");
+                    }
+                    else
+                    {
+                        got.Item2.SetOwner(customer.ID);
+                        Settings._instance.addressSets.addresses.Add(got.Item2);
+                    }
+
+                    //var customer_id = int.Parse(LstCustomers.SelectedItem.ToString().Split(" - ")[0]);
+                    RefreshAddressSetListItems(customer.ID);
+                }
+                else
+                {
+                    var got = DataImport.ImportKasAddressList(selected_path, customer.patch, customer.separator);
+                    if (!got.Item1)
+                    {
+                        Console.WriteLine("Error while importing. Please try another file.");
+                    }
+                    else
+                    {
+                        got.Item2.SetOwner(customer.ID);
+                        Settings._instance.addressSets.addresses.Add(got.Item2);
+                    }
+
+                    //var customer_id = int.Parse(LstCustomers.SelectedItem.ToString().Split(" - ")[0]);
+                    RefreshAddressSetListItems(customer.ID);
+                }
+            }
+
+
+        Settings.Save();
+    }
+
+    public void RefreshAddressSetListItems(int customer_id)
+    {
+        BtnCheck.IsEnabled = false;
+        BtnCombine.IsEnabled = false;
+        BtnGenerateLabels.IsEnabled = false;
+        BtnRepair.IsEnabled = false;
+        BtnShorten.IsEnabled = false;
+
+        if (LstCustomers.SelectedIndex < 0) return;
+
+        LstCustomerAdressSets.SelectedItems = null;
+        LstCustomerAdressSets.Items.Clear();
+        foreach (var k in Settings._instance.addressSets.addresses)
+        foreach (var customer in Settings._instance.customers.customers)
+            if (customer.ID == k.owner_id && customer.ID == customer_id)
+                LstCustomerAdressSets.Items.Add(k.ID + " - " + k.Name + "(" + k.KasPersons.Count + " Einträge)");
+    }
+
+    private void LstCustomerAdressSets_OnSelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        MakeCalcManVisible();
+        if (LstCustomerAdressSets.SelectedItems == null || LstCustomerAdressSets.SelectedIndex == -1)
+        {
+            BtnCheck.IsEnabled = false;
+            BtnCombine.IsEnabled = false;
+            BtnGenerateLabels.IsEnabled = false;
+            BtnRepair.IsEnabled = false;
+            BtnShorten.IsEnabled = false;
+        }
+        else
+        {
+            BtnCheck.IsEnabled = true;
+            BtnCombine.IsEnabled = true;
+            BtnGenerateLabels.IsEnabled = true;
+
+            // BtnRepair.IsEnabled = true;
+            // BtnShorten.IsEnabled = true;
+        }
+    }
+
+    private async void BtnSettingsImportCustomerAddressPatch_OnClick(object? sender, RoutedEventArgs e)
+    {
+        if (LstSettingsCustomers.SelectedIndex == null || LstSettingsCustomers.SelectedIndex == -1) return;
+
+        var opts = new FilePickerOpenOptions();
+        opts.Title = "Address-Patch für " + LstSettingsCustomers.SelectedItems[0] + "importieren...";
+        opts.AllowMultiple = false;
+
+        var type = new FilePickerFileType("ADPAC-Dateien (*.adpac)");
+        type.Patterns = new[] { "*.adpac" };
+        opts.FileTypeFilter = new[] { type };
+
+        var paths = await StorageProvider.OpenFilePickerAsync(opts);
+
+        if (paths?.Count <= 0) return;
+
+        //if (LstSettingsCustomers.SelectedIndex < 0) return;
+
+
+        var selected_path = paths[0].Path;
+
+        foreach (var customer in Settings._instance.customers.customers)
+            if (customer.ID == Customer.GetIDByCustomerListItem(LstSettingsCustomers.SelectedItems[0].ToString()))
+                customer.patch = AddressPatch.Import(selected_path);
+
+
+        Settings.Save();
+    }
+
+    private void TbSettingsCustomerCsvSeparator_OnTextChanged(object? sender, TextChangedEventArgs e)
+    {
+        if (LstSettingsCustomers.SelectedIndex == null || LstSettingsCustomers.SelectedIndex == -1) return;
+        var sep = !string.IsNullOrEmpty(TbSettingsCustomerCsvSeparator.Text)
+            ? TbSettingsCustomerCsvSeparator.Text
+            : ",";
+        foreach (var customer in Settings._instance.customers.customers)
+            if (customer.ID == Settings._instance.customers.current)
+                try
+                {
+                    customer.separator = Convert.ToChar(sep);
+                }
+                catch (FormatException ex)
+                {
+                    MessageBox.Show(this, "Error while converting: " + ex.Message, "Could not parse");
+                }
+                catch (Exception ex)
+                {
+                    MessageBox.Show(this, "Unknown Error: " + ex.Message, "Error");
+                }
+    }
+
+    private void BtnCombineDifference_OnClick(object? sender, RoutedEventArgs e)
+    {
+        var list = new List<KasAddressList>();
+        foreach (var item in LstCustomerAdressSets.SelectedItems)
+            list.Add(Settings._instance.addressSets.GetAddressSetByID(
+                Convert.ToInt32(item.ToString().Split(" - ")[0])));
+
+        StartCombine(list, Convert.ToInt32(LstCustomers.SelectedItem.ToString().Split(" - ")[0]), "difference");
+    }
+
+    private void BtnCombineUnion_OnClick(object? sender, RoutedEventArgs e)
+    {
+        var list = new List<KasAddressList>();
+        foreach (var item in LstCustomerAdressSets.SelectedItems)
+            list.Add(Settings._instance.addressSets.GetAddressSetByID(
+                Convert.ToInt32(item.ToString().Split(" - ")[0])));
+
+        StartCombine(list, Convert.ToInt32(LstCustomers.SelectedItem.ToString().Split(" - ")[0]), "union");
+    }
+
+    private void BtnCombineIntersection_OnClick(object? sender, RoutedEventArgs e)
+    {
+        var list = new List<KasAddressList>();
+        foreach (var item in LstCustomerAdressSets.SelectedItems)
+            list.Add(Settings._instance.addressSets.GetAddressSetByID(
+                Convert.ToInt32(item.ToString().Split(" - ")[0])));
+
+        StartCombine(list, Convert.ToInt32(LstCustomers.SelectedItem.ToString().Split(" - ")[0]), "intersection");
+    }
+
+    private void BtnCombineSymmetricDifference_OnClick(object? sender, RoutedEventArgs e)
+    {
+        var list = new List<KasAddressList>();
+        foreach (var item in LstCustomerAdressSets.SelectedItems)
+            list.Add(Settings._instance.addressSets.GetAddressSetByID(
+                Convert.ToInt32(item.ToString().Split(" - ")[0])));
+
+        StartCombine(list, Convert.ToInt32(LstCustomers.SelectedItem.ToString().Split(" - ")[0]), "symdiff");
+    }
+
+    private async void BtnGenerateLabels_OnClick(object? sender, RoutedEventArgs e)
+    {
+        var saveDialog = new SaveFileDialog
+        {
+            DefaultExtension = "pdf",
+            Filters = { new FileDialogFilter { Name = "PDF-Dateien", Extensions = { "pdf" } } }
+        };
+        var filePath = await saveDialog.ShowAsync(this);
+
+        if (!string.IsNullOrEmpty(filePath))
+        {
+            var builder = new PdfBuilder();
+
+            builder.CreateAddressLabelPdfFromAddressSetWithPlaceholder(
+                Convert.ToInt32(LstCustomerAdressSets.SelectedItems[0].ToString().Split(" - ")[0]),
+                "Company Logo/Info",
+                filePath
+            );
+            //return true;
+        }
+    }
+
+    private void TbSettingsCustomerSenderAddress_OnTextChanged(object? sender, TextChangedEventArgs e)
+    {
+        if (LstSettingsCustomers.SelectedIndex == null || LstSettingsCustomers.SelectedIndex == -1) return;
+        foreach (var customer in Settings._instance.customers.customers)
+            if (customer.ID == Settings._instance.customers.current)
+                customer.sender_address = TbSettingsCustomerSenderAddress.Text;
+    }
+
+
+    // Country Section
+    private void BtnSettingsRemoveCountry_OnClick(object? sender, RoutedEventArgs e)
+    {
+        if (_selectedCountry != null)
+        {
+            Global._instance.countries.Remove(_selectedCountry);
+            _selectedCountry = null;
+        }
+
+        RefreshCountryView();
+    }
+
+    public void RefreshCountryView()
+    {
+        if (_suppressCountryRefresh) return;
+        try
+        {
+            _suppressCountryRefresh = true;
+
+            Global.Save();
+            var alt_index = LbSettingsAlternatives.SelectedIndex;
+            var country_index = CountryList.SelectedIndex;
+
+            LbSettingsAlternatives.Items.Clear();
+            try
+            {
+                CountryList.Items.Clear();
+            }
+            catch
+            {
+            }
+
+            foreach (var c in Global._instance.countries) CountryList.Items.Add(c.name);
+            try
+            {
+                CountryList.SelectedIndex = country_index;
+            }
+            catch
+            {
+            }
+
+            try
+            {
+                _selectedCountry = Country.GetByName(CountryList.SelectedItems[0].ToString());
+            }
+            catch
+            {
+                _selectedCountry = null;
+            }
+
+            if (_selectedCountry == null) return;
+            //Console.WriteLine("Refreshing alternatives...");
+            foreach (var a in _selectedCountry.alternatives)
+            {
+                LbSettingsAlternatives.Items.Add(a);
+                //Console.WriteLine(a);
+            }
+
+            TbSettingsCountryName.Text = _selectedCountry.name;
+            TbSettingsCountryTranslation.Text = _selectedCountry.translation;
+
+            try
+            {
+                LbSettingsAlternatives.SelectedIndex = alt_index;
+            }
+            catch
+            {
+            }
+        }
+        finally
+        {
+            _suppressCountryRefresh = false;
+        }
+    }
+
+    private void BtnSettingsRemoveSelectedAlternatives_OnClick(object? sender, RoutedEventArgs e)
+    {
+        foreach (var selected in LbSettingsAlternatives.SelectedItems)
+            try
+            {
+                _selectedCountry.alternatives.Remove(selected.ToString());
+            }
+            catch
+            {
+                Console.WriteLine("Error while removing country alternative");
+            }
+
+        RefreshCountryView();
+    }
+
+    private void BtnSettingsNewCountryAlternative_OnClick(object? sender, RoutedEventArgs e)
+    {
+        if (string.IsNullOrWhiteSpace(TbSettingsNewCountryAlternative.Text)) return;
+        _selectedCountry.alternatives.Add(TbSettingsNewCountryAlternative.Text.Trim());
+        RefreshCountryView();
+    }
+
+    private void TbSettingsCountryTranslation_OnTextChanged(object? sender, TextChangedEventArgs e)
+    {
+        if (!string.IsNullOrWhiteSpace(TbSettingsCountryTranslation.Text))
+        {
+            _selectedCountry.translation = TbSettingsCountryTranslation.Text.Trim();
+            RefreshCountryView();
+        }
+    }
+
+    private void TbSettingsCountryName_OnTextChanged(object? sender, TextChangedEventArgs e)
+    {
+        if (!string.IsNullOrWhiteSpace(TbSettingsCountryName.Text))
+        {
+            _selectedCountry.name = TbSettingsCountryName.Text.Trim();
+            RefreshCountryView();
+        }
+    }
+
+    private void BtnSettingsNewCountry_OnClick(object? sender, RoutedEventArgs e)
+    {
+        if (string.IsNullOrWhiteSpace(TbSettingsNewCountry.Text)) return;
+        Global._instance.countries.Add(new Country(TbSettingsNewCountry.Text));
+        RefreshCountryView();
+    }
+
+    private void CountryList_OnSelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        _selectedCountry = Country.GetByName(CountryList.SelectedItems[0].ToString());
+        RefreshCountryView();
+    }
 }

MessageBox.axaml

@@ -3,7 +3,7 @@
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         mc:Ignorable="d" SizeToContent="WidthAndHeight"
-        x:Class="Logof_Client.MessageBox"
+        x:Class="Logof_Client.MessageBox" Icon="assets/icon.ico"
         Title="MessageBox">
     <StackPanel>
         <TextBlock Name="Text" Margin="10" TextWrapping="Wrap" />

ProgressWindow.axaml

@@ -3,7 +3,7 @@
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         mc:Ignorable="d" d:DesignWidth="800" Width="800" MinWidth="800" MaxWidth="800" d:DesignHeight="150"
-        Height="150" MinHeight="150" MaxHeight="150"
+        Height="150" MinHeight="150" MaxHeight="150" Icon="assets/icon.ico"
         x:Class="Logof_Client.ProgressWindow" Title="Verarbeitung läuft...">
     <Grid>
         <!-- <ScrollViewer x:Name="ScvLog"> -->

ResultWindow.axaml

@@ -2,7 +2,7 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450" Icon="assets/icon.ico"
         x:Class="Logof_Client.ResultWindow"
         Title="Ergebnis">
     <Grid Grid.ColumnDefinitions="200,*">
@@ -15,10 +15,12 @@
             <!-- <Button x:Name="BtnUpdateFilter" Content="Aktualisieren" HorizontalAlignment="Stretch" -->
             <!--         VerticalAlignment="Bottom" Margin="10,0,10,10" Click="BtnUpdateFilter_OnClick" /> -->
             <Button Content="Ausgewählte Anzeigen" HorizontalAlignment="Stretch" VerticalAlignment="Bottom"
-                    x:Name="BtnShwoSelected" Click="BtnShwoSelected_OnClick"
+                    x:Name="BtnShowSelected" Click="BtnShowSelected_OnClick"
                     Margin="10,10,10,10" />
         </Grid>
-        <DataGrid x:Name="DgResult" Grid.Column="1" AutoGenerateColumns="True" />
+        <ScrollViewer Grid.Column="1" HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto">
+            <StackPanel x:Name="StkResults" Orientation="Vertical" Margin="10" />
+        </ScrollViewer>
 
     </Grid>
 </Window>

ResultWindow.axaml.cs

@@ -1,35 +1,73 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Interactivity;
 using Avalonia.Layout;
+using Avalonia.Media;
 
 namespace Logof_Client;
 
 public partial class ResultWindow : Window
 {
     public List<CheckBox> errortypecheckboxes = new();
-    public KasAddressList ur_addresses = new();
+    public KasAddressList ur_addresses = new("Ergebnis_" + DateTime.Now.ToString("ddMMyy_HHmmss"));
-    public List<(int, List<AddressCheck.ErrorTypes>, List<AddressCheck.WarningTypes>)> ur_result;
+    public List<KasPerson> ur_result;
     public List<CheckBox> warningtypecheckboxes = new();
 
-    public ResultWindow(List<(int, List<AddressCheck.ErrorTypes>, List<AddressCheck.WarningTypes>)> result,
+    public ResultWindow(List<KasPerson> result,
-        KasAddressList ur_addresses)
+        int addressSetID)
     {
         InitializeComponent();
         ur_result = result;
-        this.ur_addresses = ur_addresses;
+        ur_addresses = ur_addresses;
         Load(result);
         //ViewSingle(200552426);
     }
 
-    private void GenerateView(List<(int, List<AddressCheck.ErrorTypes>, List<AddressCheck.WarningTypes>)> result)
+    private void GenerateView(List<KasPerson> result)
     {
-        var errors = new List<KasPersonError>();
+        // Filter to only show persons with errors
-        foreach (var single_result in result) errors.Add(new KasPersonError(single_result));
+        var result_with_errors = result.Where(p => p.PersonError != null).ToList();
-        LblResultCount.Content = $"{errors.Count}/{ur_result.Count} Ergebnisse";
+        LblResultCount.Content = $"{result_with_errors.Count}/{ur_result.Count} Ergebnisse";
-        DgResult.ItemsSource = errors;
+
+        StkResults.Children.Clear();
+        foreach (var person in result_with_errors) StkResults.Children.Add(CreatePersonGrid(person));
+    }
+
+    private Grid CreatePersonGrid(KasPerson person)
+    {
+        var grid = new Grid
+        {
+            ColumnDefinitions = ColumnDefinitions.Parse("100,*,100,*,100,*"),
+            RowDefinitions = RowDefinitions.Parse("Auto"),
+            Margin = new Thickness(0, 5, 0, 5),
+            Background = new SolidColorBrush(Color.Parse("#F0F0F0"))
+        };
+
+        // Refsid
+        grid.Children.Add(new TextBlock
+        {
+            Text = "refsid: ",
+            FontWeight = FontWeight.Bold, Margin = new Thickness(5)
+        });
+        grid.Children.Add(new TextBlock { Text = person.refsid.ToString(), Margin = new Thickness(5) });
+        Grid.SetColumn(grid.Children[1], 1);
+
+        // PLZ
+        grid.Children.Add(new TextBlock { Text = "plz:", FontWeight = FontWeight.Bold, Margin = new Thickness(5) });
+        Grid.SetColumn(grid.Children[2], 2);
+        grid.Children.Add(new TextBlock { Text = person.plz, Margin = new Thickness(5) });
+        Grid.SetColumn(grid.Children[3], 3);
+
+        // PPLZ
+        grid.Children.Add(new TextBlock { Text = "errors:", FontWeight = FontWeight.Bold, Margin = new Thickness(5) });
+        Grid.SetColumn(grid.Children[4], 4);
+        grid.Children.Add(new TextBlock { Text = person.PersonError.GetString(), Margin = new Thickness(5) });
+        Grid.SetColumn(grid.Children[5], 5);
+
+        return grid;
     }
 
     private void ViewSingle(int refsid)
@@ -62,18 +100,20 @@ public partial class ResultWindow : Window
             }
     }
 
-    private void Load(List<(int, List<AddressCheck.ErrorTypes>, List<AddressCheck.WarningTypes>)> result)
+    private void Load(List<KasPerson> result)
     {
         var knownErrors = new List<AddressCheck.ErrorTypes>();
         var knownWarnings = new List<AddressCheck.WarningTypes>();
 
-        foreach (var single_result in result)
+        foreach (var person in result)
         {
-            foreach (var errtyp in single_result.Item2)
+            if (person.PersonError == null) continue;
+
+            foreach (var errtyp in person.PersonError.errors)
                 if (!knownErrors.Contains(errtyp))
                     knownErrors.Add(errtyp);
 
-            foreach (var wartyp in single_result.Item3)
+            foreach (var wartyp in person.PersonError.warnings)
                 if (!knownWarnings.Contains(wartyp))
                     knownWarnings.Add(wartyp);
         }
@@ -108,49 +148,75 @@ public partial class ResultWindow : Window
 
     private void UpdateFilter()
     {
-        var temp_result = new List<(int, List<AddressCheck.ErrorTypes>, List<AddressCheck.WarningTypes>)>();
+        var temp_result = new List<KasPerson>();
-        var checked_types = new List<AddressCheck.ErrorTypes>();
+
-        var checked_types_war = new List<AddressCheck.WarningTypes>();
+        var checkedErrors = new HashSet<AddressCheck.ErrorTypes>();
+        var checkedWarnings = new HashSet<AddressCheck.WarningTypes>();
+
+        // safer parsing: use TryParse and trim the Content string
         foreach (var cb in errortypecheckboxes)
             if (cb.IsChecked == true)
-                checked_types.Add(
+            {
-                    (AddressCheck.ErrorTypes)Enum.Parse(typeof(AddressCheck.ErrorTypes), cb.Content.ToString()));
+                var s = cb.Content?.ToString()?.Trim();
+                if (!string.IsNullOrEmpty(s) &&
+                    Enum.TryParse<AddressCheck.ErrorTypes>(s, true, out var et))
+                    checkedErrors.Add(et);
+            }
 
         foreach (var cb in warningtypecheckboxes)
             if (cb.IsChecked == true)
-                checked_types_war.Add(
-                    (AddressCheck.WarningTypes)Enum.Parse(typeof(AddressCheck.WarningTypes), cb.Content.ToString()));
-
-        foreach (var sres in ur_result)
             {
-            foreach (var err in sres.Item2)
+                var s = cb.Content?.ToString()?.Trim();
-                if (checked_types.Contains(err) && !temp_result.Contains(sres))
+                if (!string.IsNullOrEmpty(s) &&
-                    temp_result.Add(sres);
+                    Enum.TryParse<AddressCheck.WarningTypes>(s, true, out var wt))
+                    checkedWarnings.Add(wt);
+            }
 
-            foreach (var war in sres.Item3)
+        // If no checkboxes are selected, show all persons with errors (default behavior)
-                if (checked_types_war.Contains(war) && !temp_result.Contains(sres))
+        if (checkedErrors.Count == 0 && checkedWarnings.Count == 0)
-                    temp_result.Add(sres);
+            temp_result = ur_result.Where(p => p.PersonError != null).ToList();
+        else
+            foreach (var person in ur_result)
+            {
+                if (person.PersonError == null) continue;
+
+                var personErrors = person.PersonError.errors ?? Enumerable.Empty<AddressCheck.ErrorTypes>();
+                var personWarnings = person.PersonError.warnings ?? Enumerable.Empty<AddressCheck.WarningTypes>();
+
+                var matchesError = false;
+                var matchesWarning = false;
+
+                // only test errors if the user selected error-types
+                if (checkedErrors.Count > 0)
+                    matchesError = personErrors.Any(err => checkedErrors.Contains(err));
+
+                // only test warnings if the user selected warning-types
+                if (checkedWarnings.Count > 0)
+                    matchesWarning = personWarnings.Any(war => checkedWarnings.Contains(war));
+
+                // If at least one category matches (OR across categories), include person
+                if ((matchesError || matchesWarning) && !temp_result.Contains(person))
+                    temp_result.Add(person);
+            }
+
+        LblResultCount.Content = $"{temp_result.Count}/{ur_result.Count} Ergebnisse";
+
+        StkResults.Children.Clear();
+        foreach (var person in temp_result) StkResults.Children.Add(CreatePersonGrid(person));
     }
 
 
-        var errors = new List<KasPersonError>();
+    private void BtnShowSelected_OnClick(object? sender, RoutedEventArgs e)
-        foreach (var single_result in temp_result) errors.Add(new KasPersonError(single_result));
-
-        LblResultCount.Content = $"{errors.Count}/{ur_result.Count} Ergebnisse";
-        DgResult.ItemsSource = errors;
-    }
-
-    private void BtnShwoSelected_OnClick(object? sender, RoutedEventArgs e)
     {
-        foreach (var selected in DgResult.SelectedItems)
+        // foreach (var selected in DgResult.SelectedItems)
-            try
+        //     try
-            {
+        //     {
-                var _asKas = (KasPersonError)selected;
+        //         var _asKas = (KasPerson)selected;
-                ViewSingle(_asKas.refsid);
+        //         ViewSingle(_asKas.refsid);
-            }
+        //     }
-            catch (Exception ex)
+        //     catch (Exception ex)
-            {
+        //     {
-                Console.WriteLine(ex.Message);
+        //         Console.WriteLine(ex.Message);
-            }
+        //     }
     }
 }

Settings.cs

@@ -0,0 +1,184 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using Newtonsoft.Json;
+
+namespace Logof_Client;
+
+public class Settings
+{
+    public static Settings _instance = new();
+    public AddressSets addressSets = new();
+    public Customers customers = new();
+
+    public string settingsPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+        "logofclient", "config.json");
+
+    public Settings()
+    {
+        _instance = this;
+    }
+
+
+    public static void Save()
+    {
+        if (!Directory.Exists(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+                "logofclient")))
+            Directory.CreateDirectory(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+                "logofclient"));
+        if (!string.IsNullOrEmpty(Global._instance.config_path)) _instance.settingsPath = Global._instance.config_path;
+
+        var json = JsonConvert.SerializeObject(_instance);
+        File.WriteAllText(_instance.settingsPath, json);
+    }
+
+    public static void Load()
+    {
+        if (!string.IsNullOrEmpty(Global._instance.config_path)) _instance.settingsPath = Global._instance.config_path;
+
+        try
+        {
+            var contents = File.ReadAllText(_instance.settingsPath);
+            _instance = JsonConvert.DeserializeObject<Settings>(contents);
+            MainWindow._instance.RefreshCustomerItems();
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine(ex.Message);
+            Console.WriteLine(ex.StackTrace);
+            Console.WriteLine("Error while reading settings. Generating new...");
+            _instance = new Settings();
+        }
+    }
+}
+
+public class Global
+{
+    public static Global _instance;
+
+    public Global()
+    {
+        _instance = this;
+    }
+
+    public string config_path { get; set; } = "";
+    public List<Country> countries { get; set; } = new();
+
+    public static void Save()
+    {
+        if (!Directory.Exists(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+                "logofclient")))
+            Directory.CreateDirectory(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+                "logofclient"));
+        var json = JsonConvert.SerializeObject(_instance, Formatting.Indented);
+        File.WriteAllText(
+            Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "logofclient",
+                "global.config"), json);
+    }
+
+    public static void Load()
+    {
+        // if (!File.Exists(Path.Combine(
+        //         Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "logofclient",
+        //         "global.config")))
+        //     File.Create(Path.Combine(
+        //         Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "logofclient",
+        //         "global.config"));
+        try
+        {
+            var contents = File.ReadAllText(Path.Combine(
+                Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "logofclient",
+                "global.config"));
+            _instance = JsonConvert.DeserializeObject<Global>(contents);
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine(ex.Message);
+            Console.WriteLine(ex.StackTrace);
+            Console.WriteLine("Error while reading global settings. Generating new...");
+            _instance = new Global();
+            Save();
+        }
+    }
+}
+
+public class Customers
+{
+    public List<Customer> customers = new();
+    public int current { get; set; } = 0;
+}
+
+public class Customer
+{
+    public Customer()
+    {
+        var highestID = 0;
+        foreach (var customer in Settings._instance.customers.customers)
+            if (customer.ID > highestID)
+                highestID = customer.ID;
+
+        ID = highestID + 1;
+    }
+
+    public string name { get; set; } = "";
+    public string description { get; set; } = "";
+    public string sender_address { get; set; } = "";
+    public AddressPatch patch { get; set; }
+    public char separator { get; set; } = ',';
+    public int ID { get; }
+
+
+    public static int GetIDByCustomerListItem(string item_content)
+    {
+        var id = item_content.Split(" - ")[0];
+        return int.Parse(id);
+    }
+}
+
+public class AddressSets
+{
+    public List<KasAddressList> addresses = new();
+
+    public KasAddressList GetAddressSetByID(int ID)
+    {
+        foreach (var i in addresses)
+            if (i.ID == ID)
+                return i;
+
+        return null;
+    }
+}
+
+public class Country
+{
+    public Country(string name, string translation, List<string> alternatives)
+    {
+        this.name = name;
+        this.translation = translation;
+        this.alternatives = alternatives;
+    }
+
+    public Country(string name)
+    {
+        this.name = name;
+        translation = "";
+        alternatives = new List<string>();
+    }
+
+    public Country()
+    {
+    }
+
+    public string? name { get; set; }
+    public string translation { get; set; }
+    public List<string> alternatives { get; set; }
+
+    public static Country GetByName(string name)
+    {
+        foreach (var country in Global._instance.countries)
+            if (country.name == name)
+                return country;
+
+        return null;
+    }
+}

StartupWindow.axaml

@@ -0,0 +1,12 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d" d:DesignWidth="400" Width="400" MinWidth="400" MaxWidth="400" d:DesignHeight="400"
+        Height="400" MinHeight="400" MaxHeight="400" Icon="assets/icon.ico" SystemDecorations="None"
+        x:Class="Logof_Client.StartupWindow" Title="Verarbeitung läuft...">
+    <Grid>
+        <Label Content="Hello, World!" />
+        <ProgressBar x:Name="PbLoading" Minimum="0" Maximum="100" />
+    </Grid>
+</Window>

StartupWindow.axaml.cs

@@ -0,0 +1,13 @@
+using Avalonia.Controls;
+
+namespace Logof_Client;
+
+public partial class StartupWindow : Window
+{
+    public StartupWindow()
+    {
+        InitializeComponent();
+    }
+
+
+}

Tasks/AddressCheck.cs

@@ -0,0 +1,264 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Avalonia.Threading;
+
+namespace Logof_Client;
+
+public class AddressCheck
+{
+    public enum ErrorTypes
+    {
+        PlzNotUsable,
+        PPlzNotUsable,
+        MayBeSameAddress,
+        NoPLZorPPLZ
+    }
+
+    public enum WarningTypes
+    {
+        NoCity,
+        NoStreet,
+        NoLastName,
+        NoFirstName,
+        NoStreetNumber,
+        NoPLZ,
+        NoPPLZ,
+        DoubledRefsid,
+        FullAddressTooLong
+    }
+
+    private readonly ProgressWindow _progress;
+
+    public AddressCheck(ProgressWindow progressWindow)
+    {
+        _progress = progressWindow;
+    }
+
+    public async Task<List<KasPerson>> Perform(int id)
+    {
+        // Find the index of the address set with the given id
+        var adset_index = -1;
+        for (var i = 0; i < Settings._instance.addressSets.addresses.Count; i++)
+            if (Settings._instance.addressSets.addresses[i].ID == id)
+            {
+                adset_index = i;
+                break;
+            }
+
+        if (adset_index == -1) return new List<KasPerson>();
+
+        var adset = Settings._instance.addressSets.addresses[adset_index];
+        var total = adset.KasPersons.Count;
+        var current = 0;
+
+        await Task.Run(async () =>
+        {
+            foreach (var person in adset.KasPersons)
+            {
+                var errors = new List<ErrorTypes>();
+                var warnings = new List<WarningTypes>();
+                var hasFaults = false;
+
+                var address_component_count = 2; // cause anrede and name are first
+
+                        // PLZ-Prüfung
+                        if (person.plz == "" || person.plz == null)
+                        {
+                            hasFaults = true;
+                            warnings.Add(WarningTypes.NoPLZ);
+                        }
+                        else
+                        {
+                            if (!AddressCreator.CheckPLZ(person.plz, person.land))
+                            {
+                                hasFaults = true;
+                                errors.Add(ErrorTypes.PlzNotUsable);
+                            }
+                            // if ((person.plz < 10000 && string.IsNullOrWhiteSpace(person.land)) ||
+                            //     (person.plz < 10000 && person.land == "GER") ||
+                            //     (person.plz < 10000 && person.land == "DE"))
+                            // {
+                            //     hasFaults = true;
+                            //     errors.Add(ErrorTypes.PlzTooShort);
+                            // }
+                            // else if ((person.plz > 99999 && string.IsNullOrWhiteSpace(person.land)) ||
+                            //          (person.plz > 99999 && person.land == "GER") ||
+                            //          (person.plz > 99999 && person.land == "DE"))
+                            // {
+                            //     hasFaults = true;
+                            //     errors.Add(ErrorTypes.PlzTooLong);
+                            // }
+                        }
+
+
+                        // PPLZ-Prüfung
+                        if (person.pplz == "" || person.pplz == null)
+                        {
+                            hasFaults = true;
+                            warnings.Add(WarningTypes.NoPPLZ);
+                        }
+                        else
+                        {
+                            if (!AddressCreator.CheckPLZ(person.pplz, person.land))
+                            {
+                                hasFaults = true;
+                                errors.Add(ErrorTypes.PPlzNotUsable);
+                            }
+
+                            // if ((person.pplz < 10000 && string.IsNullOrWhiteSpace(person.land)) ||
+                            //     (person.pplz < 10000 && person.land == "GER") ||
+                            //     (person.pplz < 10000 && person.land == "DE"))
+                            // {
+                            //     hasFaults = true;
+                            //     errors.Add(ErrorTypes.PPlzTooShort);
+                            // }
+                            // else if ((person.pplz > 99999 && string.IsNullOrWhiteSpace(person.land)) ||
+                            //          (person.pplz > 99999 && person.land == "GER") ||
+                            //          (person.pplz > 99999 && person.land == "DE"))
+                            // {
+                            //     hasFaults = true;
+                            //     errors.Add(ErrorTypes.PPlzTooLong);
+                            // }
+                        }
+
+                        if (warnings.Contains(WarningTypes.NoPLZ) && warnings.Contains(WarningTypes.NoPPLZ))
+                        {
+                            hasFaults = true;
+                            errors.Add(ErrorTypes.NoPLZorPPLZ);
+                        }
+
+                        // Ort-Prüfung
+                        if (string.IsNullOrWhiteSpace(person.ort))
+                        {
+                            hasFaults = true;
+                            warnings.Add(WarningTypes.NoCity);
+                        }
+                        else
+                        {
+                            address_component_count++;
+                        }
+
+                        // Street-Number
+                        var street = person.strasse.ToCharArray();
+                        var intcount = 0;
+                        foreach (var c in street)
+                        {
+                            int maybe;
+                            if (int.TryParse(c.ToString(), out maybe)) intcount++;
+                        }
+
+                        if (intcount == 0)
+                        {
+                            hasFaults = true;
+                            warnings.Add(WarningTypes.NoStreetNumber);
+                        }
+
+                        // Last-Name
+                        if (string.IsNullOrWhiteSpace(person.name))
+                        {
+                            hasFaults = true;
+                            warnings.Add(WarningTypes.NoLastName);
+                        }
+
+                        // First-Name
+                        if (string.IsNullOrWhiteSpace(person.vorname))
+                        {
+                            hasFaults = true;
+                            warnings.Add(WarningTypes.NoFirstName);
+                        }
+
+                        // Street-Check
+                        if (string.IsNullOrWhiteSpace(person.strasse))
+                        {
+                            hasFaults = true;
+                            warnings.Add(WarningTypes.NoStreet);
+                        }
+                        else
+                        {
+                            address_component_count++;
+                        }
+
+                        // Address-Component-Count
+                        if (!string.IsNullOrWhiteSpace(person.strasse2)) address_component_count++;
+                        if (!string.IsNullOrWhiteSpace(person.land)) address_component_count++;
+                        if (!string.IsNullOrWhiteSpace(person.name1)) address_component_count++;
+                        if (!string.IsNullOrWhiteSpace(person.name2)) address_component_count++;
+                        if (!string.IsNullOrWhiteSpace(person.name3)) address_component_count++;
+                        if (!string.IsNullOrWhiteSpace(person.name4)) address_component_count++;
+                        if (!string.IsNullOrWhiteSpace(person.name5)) address_component_count++;
+                        if (!string.IsNullOrWhiteSpace(person.funktion)) address_component_count++;
+                        if (!string.IsNullOrWhiteSpace(person.funktion2)) address_component_count++;
+                        if (!string.IsNullOrWhiteSpace(person.funktionad)) address_component_count++;
+                        if (!string.IsNullOrWhiteSpace(person.abteilung)) address_component_count++;
+
+                        // Double-Refsid or DoubleAddresses
+                        foreach (var person2 in adset.KasPersons)
+                        {
+                            if (adset.KasPersons.IndexOf(person) == adset.KasPersons.IndexOf(person2)) continue;
+
+                            if (person.refsid == person2.refsid) // trifft auf Patch-Addressen nicht zu
+                            {
+                                hasFaults = true;
+                                warnings.Add(WarningTypes.DoubledRefsid);
+                            }
+
+                            if (person.name == person2.name &&
+                                person.strasse == person2.strasse &&
+                                person.vorname == person2.vorname &&
+                                person.ort == person2.ort &&
+                                person.funktion == person2.funktion &&
+                                person.funktion2 == person2.funktion2 &&
+                                person.funktionad == person2.funktionad &&
+                                person.abteilung == person2.abteilung &&
+                                person.name1 == person2.name1 &&
+                                person.name2 == person2.name2 &&
+                                person.name3 == person2.name3 &&
+                                person.name4 == person2.name4 &&
+                                person.name5 == person2.name5) // 
+
+                            {
+                                hasFaults = true;
+                                errors.Add(ErrorTypes.MayBeSameAddress);
+                            }
+                        }
+
+                        // Adressen-Länge
+                        if (address_component_count > 10)
+                        {
+                            hasFaults = true;
+                            warnings.Add(WarningTypes.FullAddressTooLong);
+                        }
+
+                        if (hasFaults)
+                            lock (Settings._instance.addressSets.addresses)
+                            {
+                                // Directly set PersonError in the address set
+                                var person_index = adset.KasPersons.IndexOf(person);
+                                if (person_index >= 0)
+                                    Settings._instance.addressSets.addresses[adset_index].KasPersons[person_index].PersonError = 
+                                        new KasPersonError((errors, warnings));
+                            }
+
+                        // Fortschritt aktualisieren
+                        Interlocked.Increment(ref current);
+                        var percent = current / (double)total * 100;
+                        await Dispatcher.UIThread.InvokeAsync(() =>
+                        {
+                            if (hasFaults)
+                                _progress.AddToLog($"Person mit refsid {person.refsid} ist fehlerhaft");
+
+                            _progress.ChangePercentage(percent);
+                        });
+                    }
+                });
+        
+        Settings.Save();
+        
+        // Return only the persons with errors from the address set
+        return Settings._instance.addressSets.addresses[adset_index].KasPersons
+            .Where(p => p.PersonError != null)
+            .ToList();
+    }
+}

Tasks/AddressCreation.cs

@@ -0,0 +1,275 @@
+using System;
+using System.Linq;
+
+namespace Logof_Client;
+
+public static class AddressCreator
+{
+    /// <summary>
+    ///     Creates max-seven-lines-long Markdown address-string. Analyzes the KasPerson-Instance to find the best result.
+    /// </summary>
+    /// <param name="refsid">KasPerson-ID</param>
+    /// <returns>A Markdown string with the address that is maximum seven lines long</returns>
+    public static string? CreateFinalMarkdownString2(int refsid)
+    {
+        // Maximum seven lines of information
+
+        // find the address
+        KasPerson? address = null;
+        var string_address = "";
+        var address_line_count = 0;
+        foreach (var set in Settings._instance.addressSets.addresses)
+        {
+            var temp = set.KasPersons.FirstOrDefault(obj => obj.refsid == refsid);
+            if (temp != null)
+            {
+                address = temp;
+                break;
+            }
+        }
+
+        // no address found
+        if (address == null) return null;
+
+        // let's get started: the name (and anrede), block-line-count: 1
+        if (!string.IsNullOrEmpty(address.anrede))
+        {
+            if (address.anrede == "Herr") string_address += "Herrn";
+            else string_address += address.anrede;
+            address_line_count++;
+        }
+
+        if (!string.IsNullOrEmpty(address.name) && !string.IsNullOrEmpty(address.vorname))
+        {
+            string_address += " " + address.vorname + " " + address.name;
+        }
+        else if (!string.IsNullOrEmpty(address.name))
+        {
+        }
+        else // Anrede but no name? to the trash!
+        {
+            string_address = "";
+            address_line_count = 0;
+        }
+
+        return "Hier könnte eine\nAdresse stehen";
+    }
+
+    //+++ Aufbau +++
+    //  
+    // Von unten anfangen, max. 7 Zeilen
+    //  
+    // + Wenn Land nicht Deutschland Abbildung von Land (Fettgedruckt)
+    //  
+    // Alternative A (wenn PPLZ + Ort ausgefüllt):
+    // + Abbildung PPLZ + Ort - Ort ggf. Abschneiden, wenn länger als eine Zeile … das längste was ich finden konnte: „Giugliano in Campania-Lago Patra“ (passt exakt auf eine Zeile)
+    // + Abbildung Postfach – wenn leer, dann Straße
+    // + Abbildung Wenn Anredezusatz nicht leer, Anredezusatz, sonst Anrede + Titel + Vorname + Adel + Name + Namenszusatz in Klammern
+    // + Abbildung Name 1 + Name 2 + Name 3 + Name 4 + Name 5 + Abteilung (insgesamt max. 7 Zeilen)
+    //  
+    // ansonsten
+    //  
+    // + Abbildung PLZ + Ort - Ort ggf. Abschneiden, wenn länger als eine Zeile … das längste was ich finden konnte: „Giugliano in Campania-Lago Patra“ (passt exakt auf eine Zeile)
+    // + Abbildung Straße – wenn Straße leer, dann Postfach
+    // + Abbildung Wenn Anredezusatz nicht leer, Anredezusatz, sonst Anrede + Titel + Vorname + Adel + Name + Namenszusatz in Klammern
+    // + Abbildung Name 1 + Name 2 + Name 3 + Name 4 + Name 5 + Abteilung (insgesamt max. 7 Zeilen)
+    //  
+    // Auswurf Fehler-Datei
+    //  
+    // + wenn keine PLZ und/oder kein Ort -> Fehler
+    // + wenn kein Name 1-5 und/oder Name -> Fehler
+    //  
+    // Auswurf CSV-Datei (Komma/TAB, UTF-8, ISO…)
+    //  
+    // Auswurf PDF mit normalen Absender
+    //  
+    // Auswurf PDF mit PvSt.
+
+    /// <summary>
+    ///     Creates max-seven-lines-long Markdown address-string. Analyzes the KasPerson-Instance to find the best result.
+    /// </summary>
+    /// <param name="refsid">KasPerson-ID</param>
+    /// <returns>A Markdown string with the address that is maximum seven lines long</returns>
+    public static string? CreateFinalMarkdownString(int refsid)
+    {
+        // Maximum seven lines of information
+
+        // find the address
+        KasPerson? address = null;
+        var string_address = "";
+        var address_line_count = 0;
+        foreach (var set in Settings._instance.addressSets.addresses)
+        {
+            var temp = set.KasPersons.FirstOrDefault(obj => obj.refsid == refsid);
+            if (temp != null)
+            {
+                address = temp;
+                break;
+            }
+        }
+
+        // no address found
+        if (address == null) return null;
+
+        // let's get started: we start from the bottom
+        // if the country is not germany, set it
+        // LAND: GER oder DE
+        if (address.land.ToLower().Trim() != "germany" && address.land.ToLower().Trim() != "ger" &&
+            address.land.ToLower().Trim() != "" && address.land.ToLower().Trim() != "de" &&
+            address.land.ToLower().Trim() != "deutschland")
+        {
+            string_address = "\n**" + address.land.Trim() + "**"; // Needs to be bold
+            address_line_count++;
+        }
+
+        // Alternative A: pplz valid and city existing
+        if (!string.IsNullOrEmpty(address.ort) && CheckPLZ(address.pplz, address.land))
+        {
+            string_address = address.pplz + " " + address.ort + string_address;
+            address_line_count++;
+            if (!string.IsNullOrWhiteSpace(address.postfach))
+            {
+                string_address = "Postfach " + address.postfach.Trim() + "\n" + string_address;
+                address_line_count++;
+            }
+            else if (!string.IsNullOrWhiteSpace(address.strasse.Trim()))
+            {
+                string_address = address.strasse.Trim() + "\n" + string_address;
+                address_line_count++;
+            }
+
+            var nameline = CreateNameLine(address.anredzus, address.anrede, address.titel, address.vorname,
+                address.adel, address.name, address.namezus);
+
+            if (!string.IsNullOrWhiteSpace(nameline))
+            {
+                string_address = nameline + string_address;
+                address_line_count++;
+            }
+
+            // REIHENFOLGE
+            var nameattribs = new[]
+                { address.name1, address.name2, address.name3, address.name4, address.name5, address.abteilung };
+
+            var names = "";
+            for (var i = 0; i < nameattribs.Length; i++)
+                try
+                {
+                    if (address_line_count >= 7) break;
+                    if (!string.IsNullOrWhiteSpace(nameattribs[i]))
+                    {
+                        names += "\n" + nameattribs[i];
+                        address_line_count++;
+                    }
+                }
+                catch
+                {
+                    Console.WriteLine("ERROR 15821");
+                }
+
+            string_address = names + "\n" + string_address;
+        } // Alternative B: plz valid and city existing 
+        else if (!string.IsNullOrEmpty(address.ort) && CheckPLZ(address.plz, address.land))
+        {
+            string_address = address.plz + " " + address.ort + "\n" + string_address;
+            address_line_count++;
+            if (!string.IsNullOrWhiteSpace(address.strasse))
+            {
+                string_address = address.strasse.Trim() + "\n" + string_address;
+                address_line_count++;
+            }
+            else if (!string.IsNullOrWhiteSpace(address.postfach.Trim()))
+            {
+                string_address = "Postfach " + address.postfach.Trim() + "\n" + string_address;
+                address_line_count++;
+            }
+
+            var nameline = CreateNameLine(address.anredzus, address.anrede, address.titel, address.vorname,
+                address.adel, address.name, address.namezus);
+
+            if (!string.IsNullOrWhiteSpace(nameline))
+            {
+                string_address = nameline + string_address;
+                address_line_count++;
+            }
+
+            var nameattribs = new[]
+                { address.name1, address.name2, address.name3, address.name4, address.name5, address.abteilung };
+
+            var names = "";
+            for (var i = 0; i < nameattribs.Length; i++)
+                try
+                {
+                    if (address_line_count >= 7) break;
+                    if (!string.IsNullOrWhiteSpace(nameattribs[i]))
+                    {
+                        names += "\n" + nameattribs[i];
+                        address_line_count++;
+                    }
+                }
+                catch
+                {
+                    Console.WriteLine("ERROR 15821");
+                }
+
+            string_address = names + "\n" + string_address;
+        } // Error-Handling?
+
+        return string_address;
+        return "Hier könnte eine\nAdresse stehen";
+    }
+
+    public static string CreateNameLine(string anredezus, string anrede, string titel, string vorname, string adel,
+        string name, string namezus)
+    {
+        if (!string.IsNullOrWhiteSpace(anredezus))
+            return string.Join(" ",
+                       new[] { anredezus, titel, vorname, adel, name }
+                           .Where(s => !string.IsNullOrWhiteSpace(s))
+                   )
+                   + (string.IsNullOrWhiteSpace(namezus) ? "" : $" ({namezus.Trim()})")
+                   + "\n";
+
+        // else 
+        return string.Join(" ",
+                   new[] { anrede, titel, vorname, adel, name }
+                       .Where(s => !string.IsNullOrWhiteSpace(s))
+               )
+               + (string.IsNullOrWhiteSpace(namezus) ? "" : $" ({namezus.Trim()})")
+               + "\n";
+    }
+
+    /// <summary>
+    ///     Returns true if a plz (or pplz) is valid
+    /// </summary>
+    /// <param name="plz">the plz itself</param>
+    /// <param name="land">country, to check the plz</param>
+    /// <returns>true or faslse, depending on result :+1:</returns>
+    public static bool CheckPLZ(string plz, string land)
+    {
+        if (string.IsNullOrWhiteSpace(plz)) return false;
+
+        var trimmedPlz = plz.Trim();
+        var trimmedLand = land.ToLower().Trim();
+
+        // Check if it's a German country code
+        var isGermany = trimmedLand == "germany" || trimmedLand == "ger" || trimmedLand == "de" ||
+                        trimmedLand == "deutschland" || trimmedLand == "";
+
+        if (isGermany)
+            // For Germany (including empty land), accept numeric postal codes with 5 digits
+            try
+            {
+                var iplz = Convert.ToInt32(trimmedPlz);
+                if (trimmedPlz.Length == 5) return true;
+                return false;
+            }
+            catch
+            {
+                return false;
+            }
+
+        // For non-German countries, accept any non-empty postal code
+        return true;
+    }
+}

Tasks/AddressRepair.cs

@@ -9,15 +9,15 @@ public class AddressRepair(ProgressWindow progressWindow)
     public KasAddressList Perform(KasAddressList all_addresses,
         List<(int, List<AddressCheck.ErrorTypes>)> failed_addresses)
     {
-        foreach (var k in all_addresses.KasPersons)
+        // foreach (var k in all_addresses.KasPersons)
-        foreach (var p in failed_addresses)
+        // foreach (var p in failed_addresses)
-        {
+        // {
-            if (k.refsid != p.Item1) continue;
+        //     if (k.refsid != p.Item1) continue;
-
+        //
-            if (p.Item2.Contains(AddressCheck.ErrorTypes.DoubledRefsid))
+        //     if (p.Item1.Contains(AddressCheck.WarningTypes.DoubledRefsid))
-            {
+        //     {
-            }
+        //     }
-        }
+        // }
 
         return null;
     }

Tasks/CombineAddresses.cs

@@ -0,0 +1,351 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Avalonia.Threading;
+
+namespace Logof_Client;
+
+public class CombineAddresses
+{
+    private readonly ProgressWindow _progress;
+
+    public CombineAddresses(ProgressWindow progressWindow)
+    {
+        _progress = progressWindow;
+    }
+
+    public async Task<(KasAddressList,KasAddressList)> Perform(List<KasAddressList> address_lists, string type, bool? exportUnused)
+    {
+        var res = await Task.Run(async () =>
+        {
+            if (type == "difference") return Difference(address_lists, exportUnused);
+            if (type == "union") return Union(address_lists, exportUnused);
+            if (type == "intersection") return Intersection(address_lists, exportUnused);
+            if (type == "symdiff") return SymmetricDifference(address_lists, exportUnused);
+
+            return null;
+        });
+
+
+        return res.Result;
+
+
+        // KasAddressList result = new("Ergebnis_" + DateTime.Now.ToString("ddMMyy_HHmmss"));
+        // await Task.Run(async () =>
+        // {
+        //     for (var i = 0; i < address_lists.Count; i++)
+        //         if (i == 0)
+        //             lock (result)
+        //             {
+        //                 result = address_lists[i];
+        //             }
+        //         else
+        //             lock (result)
+        //             {
+        //                 result = Merge(result, address_lists[i], i + 1, address_lists.Count).Result;
+        //             }
+        // });
+        // return result;
+        return (null,null);
+    }
+
+
+    /// <summary>
+    ///     Returns true if the addresses are the same.
+    /// </summary>
+    /// <param name="first">First address to compare</param>
+    /// <param name="second">Second address to compare</param>
+    /// <param name="only_refsid">If true, only a refsid-check will be done</param>
+    /// <returns></returns>
+    public bool CompareAddresses(KasPerson first, KasPerson second, bool only_refsid = false)
+    {
+        if (first.refsid == second.refsid) return true;
+        if (!only_refsid)
+            if (first.name == second.name &&
+                first.anrede == second.anrede &&
+                first.anredzus == second.anredzus &&
+                first.namezus == second.namezus &&
+                first.titel == second.titel &&
+                first.adel == second.adel &&
+                first.strasse == second.strasse &&
+                first.strasse2 == second.strasse2 &&
+                first.vorname == second.vorname &&
+                first.ort == second.ort &&
+                first.land == second.land &&
+                first.plz == second.plz &&
+                first.pplz == second.pplz &&
+                first.funktion == second.funktion &&
+                first.funktion2 == second.funktion2 &&
+                first.funktionad == second.funktionad &&
+                first.abteilung == second.abteilung &&
+                first.postfach == second.postfach &&
+                first.name1 == second.name1 &&
+                first.name2 == second.name2 &&
+                first.name3 == second.name3 &&
+                first.name4 == second.name4 &&
+                first.name5 == second.name5)
+                return true;
+
+        return false;
+    }
+
+    public async Task<(KasAddressList,KasAddressList)> Difference(List<KasAddressList> address_lists, bool? return_unused,
+        Progress? progress = null)
+    {
+        if (address_lists == null || address_lists.Count == 0)
+            return (new KasAddressList(KasAddressList.GenerateName("difference")),null);
+
+        progress ??= new Progress
+        {
+            TotalPersons = address_lists.Sum(l => l.KasPersons.Count),
+            ComparedPersons = 0
+        };
+
+        // Vereinigung aller Listen außer der ersten
+        var restUnion = new List<KasPerson>();
+        for (var i = 1; i < address_lists.Count; i++)
+            restUnion.AddRange(address_lists[i].KasPersons);
+        var result = new KasAddressList(KasAddressList.GenerateName("difference"));
+        var second_result = new KasAddressList(KasAddressList.GenerateName("difference_rest"));
+
+        foreach (var person in address_lists[0].KasPersons)
+        {
+            var isDouble = restUnion.Any(p => CompareAddresses(person, p));
+            if (!isDouble)
+                result.KasPersons.Add(person);
+            else
+                second_result.KasPersons.Add(person);
+            
+
+            progress.Increment();
+            if (progress.LogAction == null) continue;
+            var logMessage =
+                $"Person mit refsid {person.refsid} verglichen mit {restUnion.Count} Personen des Restes.";
+            await Dispatcher.UIThread.InvokeAsync(() => progress.LogAction?.Invoke(logMessage));
+        }
+        if(return_unused == true) return (result,second_result);
+        else return (result, null);
+    }
+
+
+    public async Task<(KasAddressList,KasAddressList)> Union(List<KasAddressList> address_lists, bool? return_unused, Progress progress = null)
+    {
+        var result = new KasAddressList(KasAddressList.GenerateName("union"));
+        var second_result = new KasAddressList(KasAddressList.GenerateName("union_rest"));
+
+        if (address_lists == null || address_lists.Count == 0)
+            return (result,null);
+
+        var total = address_lists.Sum(l => l.KasPersons.Count);
+        var processed = 0;
+
+        foreach (var list in address_lists)
+        foreach (var person in list.KasPersons)
+        {
+            if (!result.KasPersons.Any(existing => CompareAddresses(existing, person)))
+                result.KasPersons.Add(person);
+            else
+                second_result.KasPersons.Add(person);
+
+            processed++;
+            var percent = processed / (double)total * 100;
+            var logMessage =
+                $"{percent:F1}%: Person mit {person.refsid} hinzugefügt (aktuell {result.KasPersons.Count} Einträge)";
+
+            if (progress == null) continue;
+            if (Dispatcher.UIThread.CheckAccess())
+                progress.LogAction?.Invoke(logMessage);
+            else
+                Dispatcher.UIThread.Post(() => progress.LogAction?.Invoke(logMessage));
+        }
+
+        if(return_unused == true) return (result,second_result);
+        else return (result, null);
+    }
+
+
+    public async Task<KasAddressList> MoveDuplicatesToNew()
+    {
+        return null;
+    }
+
+    public async Task<(KasAddressList,KasAddressList)> Intersection(List<KasAddressList> address_lists, bool? return_unused, Progress progress = null)
+    {
+        var result = new KasAddressList(KasAddressList.GenerateName("intersection"));
+        var second_result = new KasAddressList(KasAddressList.GenerateName("intersection_rest"));
+
+        if (address_lists == null || address_lists.Count == 0)
+            return (result,null);
+
+        // Nur die erste Liste als Ausgangspunkt verwenden
+        var baseList = address_lists[0];
+        var otherLists = address_lists.Skip(1).ToList();
+
+        var total = baseList.KasPersons.Count;
+        var processed = 0;
+
+        foreach (var person in baseList.KasPersons)
+        {
+            // Prüfen, ob Person in *allen* anderen Listen vorkommt
+            var isInAll = otherLists.All(list =>
+                list.KasPersons.Any(existing => CompareAddresses(existing, person)));
+
+            if (isInAll)
+                result.KasPersons.Add(person);
+            else
+                second_result.KasPersons.Add(person);
+
+            processed++;
+            var percent = processed / (double)total * 100;
+            var logMessage =
+                $"{percent:F1}%: Person mit {person.refsid} geprüft – {(isInAll ? "in allen enthalten" : "nicht überall vorhanden")}";
+
+            // Sicher und nicht blockierend loggen
+            if (progress != null)
+            {
+                if (Dispatcher.UIThread.CheckAccess())
+                    progress.LogAction?.Invoke(logMessage);
+                else
+                    Dispatcher.UIThread.Post(() => progress.LogAction?.Invoke(logMessage));
+            }
+        }
+
+        if(return_unused == true) return (result,second_result);
+        else return (result, null);
+    }
+
+
+    public async Task<(KasAddressList,KasAddressList)> SymmetricDifference(List<KasAddressList> address_lists, bool? return_unused, Progress progress = null)
+    {
+        var result = new KasAddressList(KasAddressList.GenerateName("symmetric_difference"));
+        var second_result = new KasAddressList(KasAddressList.GenerateName("symmetric_rest"));
+
+        if (address_lists == null || address_lists.Count == 0)
+            return (result, null);
+
+        var total = address_lists.Sum(l => l.KasPersons.Count);
+        var processed = 0;
+
+        // Wir sammeln alle Personen + zählen, wie oft sie vorkommen
+        var allPersons = new List<(KasPerson person, int count)>();
+
+        foreach (var list in address_lists)
+        foreach (var person in list.KasPersons)
+        {
+            // Prüfen, ob schon vorhanden
+            var existing = allPersons.FirstOrDefault(p => CompareAddresses(p.person, person));
+            if (existing.person != null)
+            {
+                // Falls schon drin → Vorkommen erhöhen
+                var index = allPersons.IndexOf(existing);
+                allPersons[index] = (existing.person, existing.count + 1);
+            }
+            else
+            {
+                // Neu hinzufügen
+                allPersons.Add((person, 1));
+            }
+
+            processed++;
+            var percent = processed / (double)total * 100;
+            var logMessage =
+                $"{percent:F1}%: Person mit {person.refsid} verarbeitet (Zwischengröße {allPersons.Count})";
+
+            if (progress != null)
+            {
+                if (Dispatcher.UIThread.CheckAccess())
+                    progress.LogAction?.Invoke(logMessage);
+                else
+                    Dispatcher.UIThread.Post(() => progress.LogAction?.Invoke(logMessage));
+            }
+        }
+
+        // Nur diejenigen übernehmen, die *genau einmal* vorkamen
+        foreach (var (person, count) in allPersons)
+            if (count == 1)
+                result.KasPersons.Add(person);
+            else
+                second_result.KasPersons.Add(person);
+
+        if(return_unused == true) return (result,second_result);
+        else return (result, null);
+    }
+
+
+    // private async Task<KasAddressList> Merge(KasAddressList first, KasAddressList second, int num, int total)
+    // {
+    //     foreach (var sec in second.KasPersons)
+    //     {
+    //         var is_new = true;
+    //         foreach (var fi in first.KasPersons)
+    //         {
+    //             if (fi.refsid == sec.refsid)
+    //             {
+    //                 is_new = false;
+    //                 break;
+    //             }
+    //
+    //             if (fi.name == sec.name &&
+    //                 fi.anrede == sec.anrede &&
+    //                 fi.anredzus == sec.anredzus &&
+    //                 fi.namezus == sec.namezus &&
+    //                 fi.titel == sec.titel &&
+    //                 fi.adel == sec.adel &&
+    //                 fi.strasse == sec.strasse &&
+    //                 fi.strasse2 == sec.strasse2 &&
+    //                 fi.vorname == sec.vorname &&
+    //                 fi.ort == sec.ort &&
+    //                 fi.land == sec.land &&
+    //                 fi.plz == sec.plz &&
+    //                 fi.pplz == sec.pplz &&
+    //                 fi.funktion == sec.funktion &&
+    //                 fi.funktion2 == sec.funktion2 &&
+    //                 fi.funktionad == sec.funktionad &&
+    //                 fi.abteilung == sec.abteilung &&
+    //                 fi.postfach == sec.postfach &&
+    //                 fi.name1 == sec.name1 &&
+    //                 fi.name2 == sec.name2 &&
+    //                 fi.name3 == sec.name3 &&
+    //                 fi.name4 == sec.name4 &&
+    //                 fi.name5 == sec.name5)
+    //             {
+    //                 is_new = false;
+    //                 break;
+    //             }
+    //         }
+    //
+    //         if (is_new) first.KasPersons.Add(sec);
+    //         var subperc = second.KasPersons.IndexOf(sec) / second.KasPersons.Count;
+    //         var percent = (num + (double)subperc) / total * 100;
+    //         await Dispatcher.UIThread.InvokeAsync(() =>
+    //         {
+    //             if (is_new)
+    //                 _progress.AddToLog($"Person mit refsid {sec.refsid} ergänzt");
+    //             else
+    //                 _progress.AddToLog($"Person mit refsid {sec.refsid} bereits vorhanden");
+    //
+    //             _progress.ChangePercentage(percent);
+    //         });
+    //     }
+    //
+    //     return first;
+    // }
+}
+
+public class Progress
+{
+    public int TotalPersons { get; set; } // Gesamtzahl der zu prüfenden Personen
+    public int ComparedPersons { get; set; } // Schon verglichene Personen
+
+    public double Percentage => TotalPersons == 0 ? 0 : (double)ComparedPersons / TotalPersons * 100;
+
+    public Action<string>? LogAction { get; set; } // z.B. Dispatcher-UI-Callback
+
+    public void Increment()
+    {
+        var comparedPersons = ComparedPersons;
+        Interlocked.Increment(ref comparedPersons);
+    }
+}

Tasks/PdfBuilder.cs

@@ -0,0 +1,391 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using PdfSharp;
+using PdfSharp.Drawing;
+using PdfSharp.Pdf;
+
+namespace Logof_Client;
+
+public class PdfBuilder
+{
+    // Table layout
+    private const int CellsPerRow = 3;
+    private const int CellsPerPage = 21; // 3 columns × 7 rows
+    private readonly XFont _boldFont = new("Arial", 9, XFontStyleEx.Bold);
+    private readonly double _cellHeight = 42.43; // mm
+    private readonly double _cellPaddingBottom = 5; // mm
+
+    // Padding inside cells
+    private readonly double _cellPaddingLeft = 5; // mm
+    private readonly double _cellPaddingTop = 5; // mm
+
+    // Cell dimensions (in mm)
+    private readonly double _cellWidth = 70; // mm
+
+    // Font settings
+    private readonly double _fontSize = 9;
+
+    private readonly double _marginBottom = 1; // mm
+
+    // Paper and layout settings
+    private readonly double _marginLeft = 0; // mm
+    private readonly double _marginRight = 0; // mm
+    private readonly double _marginTop = 0; // mm
+    private readonly XFont _regularFont = new("Arial", 9, XFontStyleEx.Regular);
+    private readonly XFont _smallFont = new("Arial", 6, XFontStyleEx.Regular);
+
+    /// <summary>
+    ///     Creates a PDF document with address stickers from an AddressSet in a 3×7 grid layout on A4 pages.
+    /// </summary>
+    /// <param name="addressSetId">The ID of the AddressSet to use</param>
+    /// <param name="outputPath">Path where the PDF should be saved</param>
+    public void CreateAddressLabelPdfFromAddressSet(int addressSetId, string outputPath)
+    {
+        // Find the AddressSet by ID
+        var addressSet = Settings._instance.addressSets.GetAddressSetByID(addressSetId);
+        if (addressSet == null)
+            throw new ArgumentException($"AddressSet with ID {addressSetId} not found");
+
+        if (addressSet.KasPersons == null || addressSet.KasPersons.Count == 0)
+            throw new ArgumentException($"AddressSet with ID {addressSetId} contains no addresses");
+
+        // Generate markdown addresses from all KasPersons in the set
+        //var addresses = new string?[addressSet.KasPersons.Count];
+        var addresses = new List<string>();
+
+        // find customer (owner) to include sender_address
+        string senderLine = null;
+        try
+        {
+            var owner = Settings._instance.customers.customers.FirstOrDefault(c => c.ID == addressSet.owner_id);
+            if (owner != null && !string.IsNullOrWhiteSpace(owner.sender_address))
+                // ensure single line and wrap in a small-font tag
+                senderLine = "<font6>" + owner.sender_address.Replace("\n", " ").Trim() + "</font6>\n";
+        }
+        catch
+        {
+            senderLine = null;
+        }
+
+        for (var i = 0; i < addressSet.KasPersons.Count; i++)
+        {
+            var addr = AddressCreator.CreateFinalMarkdownString(addressSet.KasPersons[i].refsid);
+            if (string.IsNullOrWhiteSpace(addr.Trim())) continue;
+            if (!string.IsNullOrEmpty(senderLine))
+                addresses.Add(senderLine + addr);
+            else
+                addresses.Add(addr);
+        }
+
+        CreateAddressLabelPdf(addresses, outputPath);
+    }
+
+    /// <summary>
+    ///     Creates a PDF document with address stickers from an AddressSet with a placeholder in the first cell.
+    /// </summary>
+    /// <param name="addressSetId">The ID of the AddressSet to use</param>
+    /// <param name="placeholderText">Text for the first cell (top-left)</param>
+    /// <param name="outputPath">Path where the PDF should be saved</param>
+    public void CreateAddressLabelPdfFromAddressSetWithPlaceholder(int addressSetId, string placeholderText,
+        string outputPath)
+    {
+        // Find the AddressSet by ID
+        var addressSet = Settings._instance.addressSets.GetAddressSetByID(addressSetId);
+        if (addressSet == null)
+            throw new ArgumentException($"AddressSet with ID {addressSetId} not found");
+
+        if (addressSet.KasPersons == null || addressSet.KasPersons.Count == 0)
+            throw new ArgumentException($"AddressSet with ID {addressSetId} contains no addresses");
+
+        // Generate markdown addresses from all KasPersons in the set
+        //var addresses = new string?[addressSet.KasPersons.Count];
+        var addresses = new List<string>();
+
+        // find customer (owner) to include sender_address
+        string senderLine = null;
+        try
+        {
+            var owner = Settings._instance.customers.customers.FirstOrDefault(c => c.ID == addressSet.owner_id);
+            if (owner != null && !string.IsNullOrWhiteSpace(owner.sender_address))
+                senderLine = "<font6>" + owner.sender_address.Replace("\n", " ").Trim() + "</font6>\n";
+        }
+        catch
+        {
+            senderLine = null;
+        }
+
+        for (var i = 0; i < addressSet.KasPersons.Count; i++)
+        {
+            var addr = AddressCreator.CreateFinalMarkdownString(addressSet.KasPersons[i].refsid);
+            if (string.IsNullOrWhiteSpace(addr.Trim())) continue;
+            if (!string.IsNullOrEmpty(senderLine))
+                addresses.Add(senderLine + (addr ?? ""));
+            else
+                addresses.Add(addr);
+        }
+
+        CreateAddressLabelPdfWithPlaceholder(addresses, placeholderText, outputPath);
+    }
+
+    /// <summary>
+    ///     Creates a PDF document with address stickers in a 3×7 grid layout on A4 pages.
+    /// </summary>
+    /// <param name="addresses">Array of addresses (from CreateFinalMarkdownString)</param>
+    /// <param name="outputPath">Path where the PDF should be saved</param>
+    public void CreateAddressLabelPdf(List<string> addresses, string outputPath)
+    {
+        if (addresses == null || addresses.Count == 0)
+            throw new ArgumentException("Addresses array cannot be null or empty");
+
+        var document = new PdfDocument();
+
+        var addressIndex = 0;
+        while (addressIndex < addresses.Count)
+        {
+            var page = document.AddPage();
+            page.Size = PageSize.A4;
+
+            using (var gfx = XGraphics.FromPdfPage(page))
+            {
+                // Draw the grid and fill cells
+                DrawPage(gfx, addresses, ref addressIndex);
+            }
+        }
+
+        // Save the document
+        document.Save(outputPath);
+    }
+
+    /// <summary>
+    ///     Creates a PDF document with a single placeholder cell for other information.
+    /// </summary>
+    /// <param name="addresses">Array of addresses</param>
+    /// <param name="placeholderText">Text for the first cell (top-left)</param>
+    /// <param name="outputPath">Path where the PDF should be saved</param>
+    public void CreateAddressLabelPdfWithPlaceholder(List<string> addresses, string placeholderText, string outputPath)
+    {
+        if (addresses == null || addresses.Count == 0)
+            throw new ArgumentException("Addresses array cannot be null or empty");
+
+        var document = new PdfDocument();
+
+        var addressIndex = 0;
+        var isFirstCell = true;
+
+        while (addressIndex < addresses.Count || isFirstCell)
+        {
+            var page = document.AddPage();
+            page.Size = PageSize.A4;
+
+            using (var gfx = XGraphics.FromPdfPage(page))
+            {
+                DrawPageWithPlaceholder(gfx, addresses, ref addressIndex, ref isFirstCell, placeholderText);
+            }
+        }
+
+        document.Save(outputPath);
+    }
+
+    private void DrawPage(XGraphics gfx, List<string> addresses, ref int addressIndex)
+    {
+        var cellCount = 0;
+
+        for (var row = 0; row < 7; row++)
+        {
+            for (var col = 0; col < 3; col++)
+            {
+                if (addressIndex >= addresses.Count) break;
+
+                var x = MmToPoints(_marginLeft + col * _cellWidth);
+                var y = MmToPoints(_marginTop + row * _cellHeight);
+
+                DrawCell(gfx, x, y, addresses[addressIndex]);
+                addressIndex++;
+                cellCount++;
+            }
+
+            if (addressIndex >= addresses.Count) break;
+        }
+    }
+
+    private void DrawPageWithPlaceholder(XGraphics gfx, List<string> addresses, ref int addressIndex,
+        ref bool isFirstCell, string placeholderText)
+    {
+        var cellCount = 0;
+
+        for (var row = 0; row < 7; row++)
+        for (var col = 0; col < 3; col++)
+        {
+            var x = MmToPoints(_marginLeft + col * _cellWidth);
+            var y = MmToPoints(_marginTop + row * _cellHeight);
+
+            // First cell: placeholder
+            if (isFirstCell)
+            {
+                DrawCell(gfx, x, y, placeholderText);
+                isFirstCell = false;
+            }
+            else if (addressIndex < addresses.Count)
+            {
+                DrawCell(gfx, x, y, addresses[addressIndex]);
+                addressIndex++;
+            }
+            else
+            {
+                DrawEmptyCell(gfx, x, y);
+            }
+
+            cellCount++;
+        }
+    }
+
+    private void DrawCell(XGraphics gfx, double x, double y, string? address)
+    {
+        var cellWidthPoints = MmToPoints(_cellWidth);
+        var cellHeightPoints = MmToPoints(_cellHeight);
+
+        // Draw cell border
+        var rect = new XRect(x, y, cellWidthPoints, cellHeightPoints);
+        gfx.DrawRectangle(XPens.Black, rect);
+
+        // Draw address content if available
+        if (!string.IsNullOrEmpty(address)) DrawMarkdownText(gfx, address, x, y, cellWidthPoints, cellHeightPoints);
+    }
+
+    private void DrawEmptyCell(XGraphics gfx, double x, double y)
+    {
+        var cellWidthPoints = MmToPoints(_cellWidth);
+        var cellHeightPoints = MmToPoints(_cellHeight);
+
+        var rect = new XRect(x, y, cellWidthPoints, cellHeightPoints);
+        gfx.DrawRectangle(XPens.Black, rect);
+    }
+
+    private void DrawMarkdownText(XGraphics gfx, string text, double x, double y, double cellWidth, double cellHeight)
+    {
+        var paddingLeftPoints = MmToPoints(_cellPaddingLeft);
+        var paddingTopPoints = MmToPoints(_cellPaddingTop);
+        var paddingBottomPoints = MmToPoints(_cellPaddingBottom);
+
+        var maxWidth = cellWidth - paddingLeftPoints * 2;
+
+        // Split text by newlines and remove empty trailing lines
+        var rawLines = text.Split(new[] { "\n" }, StringSplitOptions.None);
+        var lines = rawLines.Where(l => l != null).ToArray();
+
+        // Use a conservative line height in points
+        var lineHeight = _regularFont.Size * 1.2;
+
+        // Calculate total height of the text block
+        var totalHeight = lines.Length * lineHeight;
+
+        // Start drawing from the top of the cell (align addresses to top)
+        var startY = y + paddingTopPoints;
+
+        var currentY = startY;
+
+        foreach (var line in lines)
+        {
+            // Stop if we've reached the top boundary
+            if (currentY + lineHeight > y + cellHeight - paddingBottomPoints + 0.001)
+                break;
+
+            // Parse and draw the line with markdown support
+            DrawLineWithMarkdown(gfx, line, x + paddingLeftPoints, currentY, maxWidth);
+            currentY += lineHeight;
+        }
+    }
+
+    private void DrawLineWithMarkdown(XGraphics gfx, string line, double x, double y, double maxWidth)
+    {
+        var currentX = x;
+        var i = 0;
+
+        while (i < line.Length)
+        {
+            // Check for small-font tag <font6> ... </font6>
+            if (i <= line.Length - 7 && line.Substring(i, 7) == "<font6>")
+            {
+                var endTag = line.IndexOf("</font6>", i + 7, StringComparison.Ordinal);
+                if (endTag != -1)
+                {
+                    var inner = line.Substring(i + 7, endTag - (i + 7));
+                    if (!string.IsNullOrEmpty(inner))
+                    {
+                        gfx.DrawString(inner, _smallFont, XBrushes.Black,
+                            new XRect(currentX, y, maxWidth - (currentX - x), _smallFont.Size * 1.2),
+                            XStringFormats.TopLeft);
+                        var measuredSmall = gfx.MeasureString(inner, _smallFont);
+                        currentX += measuredSmall.Width;
+                    }
+
+                    i = endTag + 8; // move past </font6>
+                    continue;
+                }
+            }
+
+            // Check for bold marker (**)
+            if (i < line.Length - 1 && line[i] == '*' && line[i + 1] == '*')
+            {
+                // Find closing **
+                var endIndex = line.IndexOf("**", i + 2, StringComparison.Ordinal);
+                if (endIndex != -1)
+                {
+                    var boldText = line.Substring(i + 2, endIndex - (i + 2));
+                    // Draw bold text and measure width accurately
+                    gfx.DrawString(boldText, _boldFont, XBrushes.Black,
+                        new XRect(currentX, y, maxWidth - (currentX - x), _boldFont.Size * 1.2),
+                        XStringFormats.TopLeft);
+                    var measured = gfx.MeasureString(boldText, _boldFont);
+                    currentX += measured.Width;
+                    i = endIndex + 2;
+                    continue;
+                }
+            }
+
+            // Regular text until next ** or end of line
+            var nextBoldIndex = line.IndexOf("**", i, StringComparison.Ordinal);
+            var textEnd = nextBoldIndex == -1 ? line.Length : nextBoldIndex;
+            var regularText = line.Substring(i, textEnd - i);
+
+            if (!string.IsNullOrEmpty(regularText))
+            {
+                gfx.DrawString(regularText, _regularFont, XBrushes.Black,
+                    new XRect(currentX, y, maxWidth - (currentX - x), _regularFont.Size * 1.2), XStringFormats.TopLeft);
+                var measured = gfx.MeasureString(regularText, _regularFont);
+                currentX += measured.Width;
+            }
+
+            i = textEnd;
+        }
+    }
+
+    /// <summary>
+    ///     Converts millimeters to points (1 mm = 2.834645669 points)
+    /// </summary>
+    private double MmToPoints(double mm)
+    {
+        return mm * 2.834645669;
+    }
+
+    // Configuration methods to allow customization
+
+    /// <summary>
+    ///     Sets the cell dimensions in millimeters
+    /// </summary>
+    public void SetCellDimensions(double width, double height)
+    {
+        if (width <= 0 || height <= 0)
+            throw new ArgumentException("Cell dimensions must be positive");
+    }
+
+    /// <summary>
+    ///     Sets the page margins in millimeters
+    /// </summary>
+    public void SetMargins(double left, double top, double right, double bottom)
+    {
+        if (left < 0 || top < 0 || right < 0 || bottom < 0)
+            throw new ArgumentException("Margins cannot be negative");
+    }
+}

docs/logof_client_docs.tex

@@ -0,0 +1,157 @@
+\documentclass[a4paper]{article}
+\usepackage{graphicx}
+\usepackage[left=3cm,right=3cm,top=3cm, bottom=3cm]{geometry}
+\usepackage{amsmath}
+\usepackage{amssymb}
+\usepackage[headsepline, footsepline]{scrlayer-scrpage}
+\usepackage{enumerate}
+\usepackage{dsfont}
+\usepackage[]{mathtools}
+\usepackage[]{mathbbol}
+\usepackage{multicol}
+\usepackage{enumitem}
+\usepackage[hidelinks]{hyperref}
+\usepackage[]{circuitikz}
+\usepackage{tcolorbox} % Für schöne Boxen
+\usetikzlibrary{circuits.logic.IEC}
+\usepackage{tikz}
+\usepackage{tkz-graph}
+\usepackage{listings}
+\usepackage{xcolor}
+
+\setlist{itemsep=0.3em, topsep=0.5em, parsep=0pt}
+
+\newcommand{\bpf}[1]{%
+	\par\vspace{0.8\baselineskip}% Abstand vor der Überschrift
+	\noindent\textbf{#1}% Fettgedruckte Überschrift
+	\par\vspace{0.3\baselineskip}% Abstand nach der Überschrift
+}
+
+
+
+\renewcommand{\contentsname}{Inhaltsverzeichnis}
+\renewcommand{\figurename}{Grafik}
+\renewcommand{\partname}{Teil}
+\renewcommand{\epsilon}{\varepsilon}
+
+\definecolor{darkgrey}{HTML}{232327}
+
+% Zählerdefinition mit AUTOMATISCHEM SUBSECTION-RESET
+\newcounter{commoncounter}[subsection]
+\renewcommand{\thecommoncounter}{\thesubsection.\arabic{commoncounter}}
+
+% Zähler direkt bei Dokumentstart initialisieren
+\AtBeginDocument{\setcounter{commoncounter}{0}}
+
+% BOX-DEFINITIONEN mit korrigierter Zählerlogik
+\newtcolorbox{definitionbox}[1][]{
+	before title={\refstepcounter{commoncounter}}, % KRITISCH: vor dem Titel!
+	title={Definition \thecommoncounter: #1},
+	colback=white,
+	colframe=white!75!darkgrey,
+	fonttitle=\bfseries,
+	boxrule=0.6mm,
+	coltitle=black,
+	rounded corners,
+	before skip=10pt,
+	after skip=10pt
+}
+
+\newtcolorbox{examplebox}[1][]{
+	before title={\refstepcounter{commoncounter}}, % KRITISCH: vor dem Titel!
+	title={Beispiel \thecommoncounter: #1},
+	colback=white,
+	colframe=white!75!orange,
+	fonttitle=\bfseries,
+	boxrule=0.6mm,
+	coltitle=black,
+	rounded corners,
+	before skip=10pt,
+	after skip=10pt
+}
+
+\newtcolorbox{satzbox}[1][]{
+	before title={\refstepcounter{commoncounter}}, % KRITISCH: vor dem Titel!
+	title={Satz \thecommoncounter: #1},
+	colback=white,
+	colframe=white!75!blue,
+	fonttitle=\bfseries,
+	boxrule=0.6mm,
+	coltitle=black,
+	rounded corners,
+	before skip=10pt,
+	after skip=10pt
+}
+
+
+
+\definecolor{codegreen}{rgb}{0,0.6,0}
+\definecolor{codeblue}{rgb}{0,0,0.8}
+\definecolor{codered}{rgb}{0.8,0,0}
+\definecolor{lightgray}{rgb}{0.95,0.95,0.95}
+
+\lstdefinestyle{CSharpStyle}{
+	language=Python,
+	basicstyle=\ttfamily\small, % Monospace-Schrift
+	keywordstyle=\color{blue}\bfseries, % Schlüsselwörter fett und blau
+	stringstyle=\color{red}, % Strings rot
+	commentstyle=\color{codegreen}, % Kommentare grün
+	backgroundcolor=\color{lightgray}, % Hintergrundfarbe
+	numbers=left, % Zeilennummern links
+	numbersep=10px, % Abstand zwischen Zeilennummern und Code
+	numberstyle=\color{gray}\texttt,
+	stepnumber=1, % Zeilennummerierung Schrittweite 1
+	frame=single, % Rahmen um den Code
+	tabsize=4, % Tabulatorgröße
+	breaklines=true, % Zeilenumbruch aktivieren
+	captionpos=none,
+	showstringspaces=false,
+	xleftmargin=15pt, % Linker Rand für den Code (verschiebt alles nach rechts)
+}
+
+
+
+% Umgebung für Listings mit Titel und Zähler
+\newenvironment{codeexample}[1][]{
+	\refstepcounter{commoncounter} % Zähler erhöhen
+	\lstset{
+		style=CSharpStyle,
+		caption={Listing \thecommoncounter: #1}, % Titel mit Zähler
+		label={listing:\thecommoncounter}
+	}
+}{}
+
+
+\setlength{\parindent}{0pt}
+
+\title{\includegraphics[width=0.3\textwidth]{../assets/icon.png}\vspace{15pt}\\Logof Client\\
+	Handbuch}
+\author{Elias Fierke}
+\pagestyle{scrheadings}
+\date{Oktober 2025}
+\begin{document}
+	
+	\ohead{Oktober 2025}
+	\ofoot{Seite {\pagemark} von \pageref{LastPage}}
+	\ihead{Logof Client Handbuch}
+	\maketitle
+
+	
+	\tableofcontents
+	
+	\newpage
+	\part{Einführung}
+	
+	
+	\newpage
+	\part{Installation}
+	
+	\newpage
+	\part{Adress-Verwaltung}
+
+
+	
+
+	
+\label{LastPage}
+\end{document}

obj/Debug/net9.0/.NETCoreApp,Version=v9.0.AssemblyAttributes.cs

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-// <autogenerated />
-using System;
-using System.Reflection;
-[assembly: global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETCoreApp,Version=v9.0", FrameworkDisplayName = ".NET 9.0")]

obj/Debug/net9.0/Avalonia/Resources.Inputs.cache

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obj/Debug/net9.0/Logof Client.AssemblyInfo.cs

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-//------------------------------------------------------------------------------
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-//     This code was generated by a tool.
-//
-//     Changes to this file may cause incorrect behavior and will be lost if
-//     the code is regenerated.
-// </auto-generated>
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-
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-using System.Reflection;
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-[assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
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-[assembly: System.Reflection.AssemblyProductAttribute("Logof Client")]
-[assembly: System.Reflection.AssemblyTitleAttribute("Logof Client")]
-[assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
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obj/Debug/net9.0/Logof Client.AssemblyInfoInputs.cache

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