namespace WorkCameraExport.Services
{
    /// <summary>
    /// 路径服务 - 统一管理所有文件路径，全部基于 exe 所在目录
    /// </summary>
    public static class PathService
    {
        private static readonly string _baseDir;

        static PathService()
        {
            // 使用 AppContext.BaseDirectory，兼容单文件发布
            _baseDir = AppContext.BaseDirectory.TrimEnd(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);
        }

        /// <summary>
        /// 获取基础目录（exe 所在目录）
        /// </summary>
        public static string BaseDirectory => _baseDir;

        /// <summary>
        /// 获取设置文件路径
        /// </summary>
        public static string SettingsFile => Path.Combine(_baseDir, "settings.json");

        /// <summary>
        /// 获取配置文件路径
        /// </summary>
        public static string ConfigFile => Path.Combine(_baseDir, "config.json");

        /// <summary>
        /// 获取凭证文件路径
        /// </summary>
        public static string CredentialsFile => Path.Combine(_baseDir, "credentials.dat");

        /// <summary>
        /// 获取日志目录
        /// </summary>
        public static string LogDirectory
        {
            get
            {
                var dir = Path.Combine(_baseDir, "logs");
                EnsureDirectoryExists(dir);
                return dir;
            }
        }

        /// <summary>
        /// 获取临时文件目录
        /// </summary>
        public static string TempDirectory
        {
            get
            {
                var dir = Path.Combine(_baseDir, "temp");
                EnsureDirectoryExists(dir);
                return dir;
            }
        }

        /// <summary>
        /// 获取导出目录
        /// </summary>
        public static string ExportDirectory
        {
            get
            {
                var dir = Path.Combine(_baseDir, "Export");
                EnsureDirectoryExists(dir);
                return dir;
            }
        }

        /// <summary>
        /// 确保目录存在
        /// </summary>
        private static void EnsureDirectoryExists(string path)
        {
            if (!Directory.Exists(path))
            {
                Directory.CreateDirectory(path);
            }
        }
    }
}