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();
    }
}