using System.Text.Json;
using System.IO;

namespace CodeMerger.Models;

public class AppSettings
{
    private const string CONFIG_FILE = "appsettings.json";
    private static string ConfigPath => Path.Combine(AppDomain.CurrentDomain.BaseDirectory, CONFIG_FILE);

    public string? LastOriginalFilePath { get; set; }
    public string? LastLLMFilePath { get; set; }
    public string? LastOutputFilePath { get; set; }

    public static AppSettings Load()
    {
        if (File.Exists(ConfigPath))
        {
            var json = File.ReadAllText(ConfigPath);
            return JsonSerializer.Deserialize<AppSettings>(json) ?? new AppSettings();
        }
        return new AppSettings();
    }

    public void Save()
    {
        var json = JsonSerializer.Serialize(this, new JsonSerializerOptions { WriteIndented = true });
        File.WriteAllText(ConfigPath, json);
    }
}