class ApiResponse<T> {
  final bool success;
  final T? data;
  final String? message;
  final int? statusCode;

  // 构造函数
  const ApiResponse({
    required this.success,
    this.data,
    this.message,
    this.statusCode,
  });

  // 成功响应
  factory ApiResponse.success(T data,
      {String message = 'Success', int? statusCode}) {
    return ApiResponse<T>(
      success: true,
      data: data,
      message: message,
      statusCode: statusCode,
    );
  }

  // 失败响应
  factory ApiResponse.error(String message, {int? statusCode, T? data}) {
    return ApiResponse<T>(
      success: false,
      message: message,
      statusCode: statusCode,
      data: data, // 可选：返回部分数据（如错误时的缓存数据）
    );
  }

  // 加载中（可选）
  factory ApiResponse.loading() {
    return ApiResponse<T>(
      success: false,
      message: 'Loading...',
    );
  }

  @override
  List<Object?> get props => [success, data, message, statusCode];

  @override
  String toString() {
    return 'ApiResponse(success: $success, message: $message, data: $data, statusCode: $statusCode)';
  }
}