[chore:] added address patch

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();
+    }
+}

DataImport.cs

@@ -5,8 +5,10 @@ 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 = ',')
     {
+        // Prüfen, ob die Datei existiert
         if (!File.Exists(pathToCsv.LocalPath))
         {
             Console.WriteLine($"File not found: {pathToCsv}");
@@ -14,6 +16,8 @@ public class DataImport
         }
 
         using var reader = new StreamReader(pathToCsv.LocalPath);
+
+        // Erste Zeile: CSV-Header lesen
         var headerLine = reader.ReadLine();
         if (headerLine == null)
         {
@@ -21,7 +25,12 @@ public class DataImport
             return (false, null);
         }
 
-        var imported = new KasAddressList();
+        var headers = headerLine.Split(separator); // Header in Spaltennamen aufteilen (z. B. name, vorname, ort, ...)
+
+        // Neue Adressliste anlegen
+        var imported = new KasAddressList(Path.GetFileNameWithoutExtension(pathToCsv.LocalPath));
+
+        // Zeilenweise durchgehen
         while (!reader.EndOfStream)
         {
             var line = reader.ReadLine();
@@ -30,46 +39,67 @@ public class DataImport
 
             var parts = line.Split(separator);
 
-            if (parts.Length < 24)
+            // Werte-Array vorbereiten – immer 24 Felder für KasPerson
+            var values = new string[24];
+            for (var i = 0; i < 24; i++)
+                if (i < parts.Length)
+                    values[i] = parts[i];
+                else
+                    values[i] = ""; // fehlende Spalten leer lassen
+
+            // Patch anwenden (falls vorhanden)
+            if (patch != null)
+                for (var i = 0; i < headers.Length; i++)
                 {
-                Console.WriteLine($"No enough columns in line: {line}");
+                    var header = headers[i].Trim(); // z. B. "name", "vorname", "ort"
-                continue;
+
+                    // Das zugehörige Patch-Feld heißt z. B. "name_is"
+                    var patchProperty = typeof(AddressPatch).GetProperty(header + "_is");
+                    var hasProperty = typeof(AddressPatch).GetProperty("has_" + header);
+
+                    if (patchProperty != null && hasProperty != null)
+                        // Prüfen, ob das Patch-Feld aktiv ist
+                        if ((bool)hasProperty.GetValue(patch))
+                            // Dann den Wert aus dem Patch übernehmen
+                            values[i] = (string)patchProperty.GetValue(patch);
                 }
 
             try
             {
+                // KasPerson erstellen – Reihenfolge der Werte muss mit dem Konstruktor übereinstimmen
                 var person = new KasPerson(
-                    ParseInt(parts[0]),
+                    ParseInt(values[0]),
-                    parts[1],
+                    values[1],
-                    parts[2],
+                    values[2],
-                    parts[3],
+                    values[3],
-                    parts[4],
+                    values[4],
-                    parts[5],
+                    values[5],
-                    parts[6],
+                    values[6],
-                    parts[7],
+                    values[7],
-                    parts[8],
+                    values[8],
-                    parts[9],
+                    values[9],
-                    ParseInt(parts[10]),
+                    ParseInt(values[10]),
-                    parts[11],
+                    values[11],
-                    parts[12],
+                    values[12],
-                    ParseInt(parts[13]),
+                    ParseInt(values[13]),
-                    parts[14],
+                    values[14],
-                    parts[15],
+                    values[15],
-                    parts[16],
+                    values[16],
-                    parts[17],
+                    values[17],
-                    parts[18],
+                    values[18],
-                    parts[19],
+                    values[19],
-                    parts[20],
+                    values[20],
-                    parts[21],
+                    values[21],
-                    parts[22],
+                    values[22],
-                    parts[23]
+                    values[23]
                 );
+
                 imported.KasPersons.Add(person);
             }
             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 +107,7 @@ public class DataImport
         return (true, imported);
     }
 
+
     private static int ParseInt(string input)
     {
         return int.TryParse(input, out var result) ? result : 0;

MainWindow.axaml

@@ -44,7 +44,7 @@
                                 <ListBox Grid.Row="1"
                                          Margin="0,5,0,0"
                                          x:Name="LstCustomers"
-                                         Background="AliceBlue"
+                                         Background="AliceBlue" SelectionChanged="LstCustomers_OnSelectionChanged"
                                          SelectionMode="Single" />
                             </Grid>
 
@@ -63,11 +63,13 @@
 
                                 <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">
+                                <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" />
@@ -92,7 +94,7 @@
                             <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"
+                                        Margin="0,0,0,10" IsEnabled="False"
                                         x:Name="BtnCheck" Click="BtnCheck_OnClick">
                                     <StackPanel Orientation="Horizontal">
                                         <LucideIcon Kind="SpellCheck" Width="36" Height="36" />
@@ -100,7 +102,7 @@
                                                FontWeight="Bold" />
                                     </StackPanel>
                                 </Button>
-                                <Button HorizontalAlignment="Stretch" IsEnabled="True"
+                                <Button HorizontalAlignment="Stretch" IsEnabled="False"
                                         HorizontalContentAlignment="Center"
                                         Click="BtnCombine_OnClick" x:Name="BtnCombine"
                                         Margin="0,0,0,10">
@@ -111,7 +113,7 @@
                                     </StackPanel>
                                 </Button>
                                 <Button HorizontalAlignment="Stretch" IsEnabled="False"
-                                        HorizontalContentAlignment="Center"
+                                        HorizontalContentAlignment="Center" x:Name="BtnRepair"
                                         Margin="0,0,0,10">
                                     <StackPanel Orientation="Horizontal">
                                         <LucideIcon Kind="Hammer" Width="36" Height="36" />
@@ -123,7 +125,7 @@
                             <StackPanel Grid.Column="1" Width="250" Orientation="Vertical" HorizontalAlignment="Left"
                                         Margin="5,0,0,0">
                                 <Button HorizontalAlignment="Stretch" IsEnabled="False"
-                                        HorizontalContentAlignment="Center"
+                                        HorizontalContentAlignment="Center" x:Name="BtnShorten"
                                         Margin="0,0,0,10">
                                     <StackPanel Orientation="Horizontal">
                                         <LucideIcon Kind="ListX" Width="36" Height="36" />
@@ -132,7 +134,7 @@
                                     </StackPanel>
                                 </Button>
                                 <Button HorizontalAlignment="Stretch" IsEnabled="False"
-                                        HorizontalContentAlignment="Center"
+                                        HorizontalContentAlignment="Center" x:Name="BtnGenerateLabels"
                                         Margin="0,0,0,10">
                                     <StackPanel Orientation="Horizontal">
                                         <LucideIcon Kind="Tags" Width="36" Height="36" />
@@ -187,7 +189,7 @@
                             <StackPanel Orientation="Vertical">
                                 <Grid ColumnDefinitions="400,*">
                                     <Label Grid.Column="0">config-Datei</Label>
-                                    <StackPanel Grid.Column="1" Orientation="Horizontal">
+                                    <StackPanel Grid.Column="1" Orientation="Horizontal" Spacing="5">
                                         <TextBox x:Name="TbConfigPath" HorizontalAlignment="Stretch"
                                                  Watermark="/home/username/.config/logofclient/config.json" />
                                         <Button>
@@ -211,8 +213,10 @@
                             </TabItem.Header>
                             <Grid ColumnDefinitions="300,*">
                                 <Grid RowDefinitions="*,60">
-                                    <ListBox x:Name="LstSettingsCustomers" />
+                                    <ListBox x:Name="LstSettingsCustomers"
-                                    <Button Grid.Row="1" HorizontalAlignment="Stretch"
+                                             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" />
@@ -230,6 +234,7 @@
                                     <Grid ColumnDefinitions="150,*">
                                         <Label Content="Name" />
                                         <TextBox Grid.Column="1" Watermark="Kundenbezeichnung"
+                                                 TextChanged="TbSettingsCustomerName_OnTextChanged"
                                                  HorizontalAlignment="Stretch"
                                                  x:Name="TbSettingsCustomerName" />
                                     </Grid>
@@ -237,6 +242,7 @@
                                         <Label Content="Beschreibung" />
                                         <TextBox Grid.Column="1" Watermark="Kundenbeschreibung"
                                                  HorizontalAlignment="Stretch"
+                                                 TextChanged="TbSettingsCustomerDescription_OnTextChanged"
                                                  x:Name="TbSettingsCustomerDescription" />
                                     </Grid>
                                     <Grid ColumnDefinitions="150,*">
@@ -246,6 +252,8 @@
                                                    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" />
@@ -253,6 +261,15 @@
                                                    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">

MainWindow.axaml.cs

@@ -18,23 +18,26 @@ public partial class MainWindow : Window
         InitializeComponent();
         _instance = this;
         WindowState = WindowState.Maximized;
+        Global.Load();
+        Settings.Load();
     }
 
-    private async void StartAddressCheck(Uri path)
+    private async void StartAddressCheck(KasAddressList addresses)
     {
-        var addresses = DataImport.ImportKasAddressList(path); // Ihr Code hier
+        //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(addresses.Item2);
+        var result = await processor.Perform(addresses);
 
 
         progressWindow.Close();
 
 
-        new ResultWindow(result, addresses.Item2).Show();
+        new ResultWindow(result, addresses).Show();
         //await MessageBox.Show(_instance, $"{result.Count} Einträge fehlerhaft.", "Fertig");
     }
 
@@ -105,13 +108,18 @@ public partial class MainWindow : Window
 
     private void BtnCheck_OnClick(object? sender, RoutedEventArgs e)
     {
-        if (filePath == null)
+        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.Name == LstCustomerAdressSets.SelectedItem.ToString())
+                set = adset;
+
+        StartAddressCheck(set);
         // var result = DataImport.ImportKasAddressList(filePath);
         // if (result.Item1)
         // {
@@ -209,4 +217,185 @@ public partial class MainWindow : Window
             return null;
         }
     }
+
+    private void BtnSettingsAddCustomer_OnClick(object? sender, RoutedEventArgs e)
+    {
+        Settings._instance.customers.customers.Add(new Customer());
+        TbSettingsCustomerDescription.Text = "";
+        TbSettingsCustomerName.Text = "";
+        TbSettingsCustomerPatchInfo.Text = "";
+        //Settings.Save();
+        //RefreshCustomerItems();
+    }
+
+    private void TbSettingsCustomerName_OnTextChanged(object? sender, TextChangedEventArgs e)
+    {
+        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;
+                if (customer.patch != null)
+                    TbSettingsCustomerPatchInfo.Text = customer.patch.ToString();
+                else
+                    TbSettingsCustomerPatchInfo.Text = "";
+            }
+    }
+
+    public void RefreshCustomerItems()
+    {
+        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);
+        }
+    }
+
+    private void TbSettingsCustomerDescription_OnTextChanged(object? sender, TextChangedEventArgs e)
+    {
+        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();
+    }
+
+    private void LstCustomers_OnSelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        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)
+    {
+        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, customer.patch);
+                    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)
+    {
+        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.Name);
+    }
+
+    private void LstCustomerAdressSets_OnSelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        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();
+    }
 }

Settings.cs

@@ -0,0 +1,137 @@
+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 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 AddressPatch patch { 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();
+}