using System.Text.Json;
using System.Windows.Forms;

namespace Robovoice.App;

public sealed class AppConfig
{
    public string Voice { get; set; } = string.Empty;
    public int PttKey { get; set; } = (int)Keys.F8;
    public string OutputDevice { get; set; } = string.Empty;
    public int NoiseScale { get; set; } = 667;
    public int LengthScale { get; set; } = 100;
    public int NoiseWScale { get; set; } = 800;
    public bool MinimizeToTray { get; set; } = true;

    public static string AppDataDir => Path.Combine(
        Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
        "Hackmaster", "Robovoice");

    public static string ConfigPath => Path.Combine(AppDataDir, "config.json");
    public static string VoicesDir => Path.Combine(AppDataDir, "Piper-voices");

    private static readonly JsonSerializerOptions JsonOptions = new()
    {
        WriteIndented = true,
    };

    public static AppConfig Load()
    {
        try
        {
            if (File.Exists(ConfigPath))
            {
                using var stream = File.OpenRead(ConfigPath);
                return JsonSerializer.Deserialize<AppConfig>(stream) ?? new AppConfig();
            }
        }
        catch
        {
        }
        return new AppConfig();
    }

    public void Save()
    {
        try
        {
            Directory.CreateDirectory(AppDataDir);
            using var stream = File.Create(ConfigPath);
            JsonSerializer.Serialize(stream, this, JsonOptions);
        }
        catch
        {
        }
    }
}