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

namespace SpdUp.Models;

/// <summary>
/// Persisted application settings.
/// </summary>
public sealed class AppSettings
{
    private static readonly string _filePath = Path.Combine(
        Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "SpdUp", "settings.json");

    // ── General ────────────────────────────────────────────────────────
    public bool MinimizeToTray { get; set; } = true;
    public bool StartWithWindows { get; set; } = false;
    public bool AutoDetectGames { get; set; } = true;
    public bool AutoBoostOnGameLaunch { get; set; } = true;

    // ── Widget ─────────────────────────────────────────────────────────
    public bool ShowWidget { get; set; } = false;
    public bool WidgetCompactMode { get; set; } = true;
    public double WidgetLeft { get; set; } = 100;
    public double WidgetTop { get; set; } = 100;
    public double WidgetOpacity { get; set; } = 0.85;
    public int WidgetUpdateIntervalMs { get; set; } = 1000;
    public bool WidgetClickThrough { get; set; } = false;

    // ── Monitoring ─────────────────────────────────────────────────────
    public int MonitoringIntervalMs { get; set; } = 1000;

    // ── Network ────────────────────────────────────────────────────────
    public string PingTarget { get; set; } = "8.8.8.8";
    public string PreferredDns { get; set; } = "1.1.1.1";

    // ── Game Library ───────────────────────────────────────────────────
    public List<GameEntry> Games { get; set; } = new();

    // ── Boost services to stop ─────────────────────────────────────────
    public List<string> ServicesToStop { get; set; } = new()
    {
        "SysMain", "WSearch", "DiagTrack", "TabletInputService", "MapsBroker",
        "PcaSvc", "wisvc"
    };

    // ── Persistence ────────────────────────────────────────────────────
    private static readonly JsonSerializerOptions _jsonOpts = new()
    {
        WriteIndented = true,
        PropertyNameCaseInsensitive = true
    };

    public static AppSettings Load()
    {
        try
        {
            if (File.Exists(_filePath))
            {
                var json = File.ReadAllText(_filePath);
                return JsonSerializer.Deserialize<AppSettings>(json, _jsonOpts) ?? new AppSettings();
            }
        }
        catch { /* return default */ }
        return new AppSettings();
    }

    public void Save()
    {
        try
        {
            var dir = Path.GetDirectoryName(_filePath)!;
            Directory.CreateDirectory(dir);
            File.WriteAllText(_filePath, JsonSerializer.Serialize(this, _jsonOpts));
        }
        catch { /* best-effort */ }
    }
}