logofclient/Settings.cs

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 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();
}