namespace YY.Admin.Services.Service.Print;

/// <summary>
/// 运行时可修改的 PrintDot 连接设置（由设置页写入，PrintDotService 优先读取）。
/// </summary>
public class PrintDotSettings
{
    private static readonly string SettingsPath = System.IO.Path.Combine(
        Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
        "YY.Admin", "print-dot-settings.json");

    public string WsUrl { get; set; } = "ws://127.0.0.1:1122/ws";
    public string SelectedPrinter { get; set; } = string.Empty;

    private static PrintDotSettings? _current;
    public static PrintDotSettings? Current => _current;

    public static PrintDotSettings Load()
    {
        try
        {
            if (System.IO.File.Exists(SettingsPath))
            {
                var json = System.IO.File.ReadAllText(SettingsPath);
                _current = System.Text.Json.JsonSerializer.Deserialize<PrintDotSettings>(json) ?? new PrintDotSettings();
                return _current;
            }
        }
        catch { /* 读取失败使用默认值 */ }
        _current = new PrintDotSettings();
        return _current;
    }

    public void Save()
    {
        try
        {
            var dir = System.IO.Path.GetDirectoryName(SettingsPath)!;
            System.IO.Directory.CreateDirectory(dir);
            var json = System.Text.Json.JsonSerializer.Serialize(this, new System.Text.Json.JsonSerializerOptions { WriteIndented = true });
            System.IO.File.WriteAllText(SettingsPath, json);
            _current = this;
        }
        catch { /* 忽略保存失败 */ }
    }
}