class User {
  // 单例实例
  static User? _instance;

  // 单例访问器（增加空安全保护）
  static User get instance {
    if (_instance == null) {
      throw Exception("User must be initialized first");
    }
    return _instance!;
  }

  // 最终属性（不可变）
  String name;
  String uid;
  String avatar;
  String language;
  String token;
  String mail;
  String phone;
  String phonemac;
  String password;
  int viplv = 0; //添加会员等级字段,0表示普通用户
  String earphonemac;
  String earphoneauthcode;
  // final Int64 lastbettime;
  // final Int64 createtime;
  // final String wxopenid;
  // final String googleopenid;
  // final String facebookopenid;

  // 私有构造函数
  User._({
    required this.name,
    required this.uid,
    required this.avatar,
    required this.language,
    required this.token,
    required this.mail,
    required this.phone,
    required this.phonemac,
    required this.password,
    required this.viplv, // 添加默认值
    required this.earphonemac,
    required this.earphoneauthcode,
    // required this.lastbettime,
    // required this.createtime,
    // required this.wxopenid,
    // required this.googleopenid,
    // required this.facebookopenid,
  });

  factory User.fromJson(Map<String, dynamic> json) {
    // 修复1：安全获取嵌套的 user 字段
    final userData = json['user'] as Map<String, dynamic>?; // 允许空值
    //final token = json['data']['token'] as String? ?? '';
    //final token = '';
    // 更新单例实例
    return _instance = User._(
      token: '',
      //token: token as String? ?? '',
      name: (userData?['name'] as String?) ?? '默认名称', // 提供默认值
      uid: (userData?['uid'] as String?) ?? '',
      avatar: (userData?['avatar'] as String?) ?? '',

      language: (userData?['language'] as String?) ?? 'en',

      mail: (userData?['mail'] as String?) ?? '',
      phone: (userData?['phone'] as String?) ?? '',
      phonemac: (userData?['phonemac'] as String?) ?? '',
      password: (userData?['password'] as String?) ?? '',
      viplv: (userData?['viplv'] as int?) ?? 0, // 提供默认值
      earphonemac: (userData?['earphonemac'] as String?) ?? '',
      earphoneauthcode: (userData?['earphoneauthcode'] as String?) ?? '',
// lastbettime: _parseTimestamp(userData['lastbettime']),
//     createtime: _parseTimestamp(userData['createtime']),
//       wxopenid: (userData?['wxopenid'] as String?) ?? '',
//       googleopenid: (userData?['googleopenid'] as String?) ?? '',
//       facebookopenid: (userData?['facebookopenid'] as String?) ?? '',
    );
  }
  factory User.fronTokenJson(Map<String, dynamic> json) {
    // 修复1：安全获取嵌套的 user 字段
    final userData = json['user'] as Map<String, dynamic>?; // 允许空值
    print("数据获取fronTokenJson${userData}");
    // 更新单例实例
    return _instance = User._(
      token: '',
      name: (userData?['name'] as String?) ?? '默认名称', // 提供默认值
      uid: (userData?['uid'] as String?) ?? '',
      avatar: (userData?['avatar'] as String?) ?? '',
      language: (userData?['language'] as String?) ?? 'en',

      mail: (userData?['mail'] as String?) ?? '',
      phone: (userData?['phone'] as String?) ?? '',
      phonemac: (userData?['phonemac'] as String?) ?? '',
      password: (userData?['password'] as String?) ?? '',

      viplv: (userData?['viplv'] as int?) ?? 0, // 提供默认值
      earphonemac: (userData?['earphonemac'] as String?) ?? '',
      earphoneauthcode: (userData?['earphoneauthcode'] as String?) ?? '',
// lastbettime: _parseTimestamp(userData['lastbettime']),
//     createtime: _parseTimestamp(userData['createtime']),
//       wxopenid: (userData?['wxopenid'] as String?) ?? '',
//       googleopenid: (userData?['googleopenid'] as String?) ?? '',
//       facebookopenid: (userData?['facebookopenid'] as String?) ?? '',
    );
  }

  // 完整的JSON序列化
  Map<String, dynamic> toJson() => {
        'user': {
          'name': name,
          'uid': uid,
          'avatar': avatar,

          'language': language,
          'token': token,
          'mail': mail,
          'phone': phone,
          'phonemac': phonemac,
          'password': password,
          'viplv': viplv,
          'earphonemac': earphonemac,
          'earphoneauthcode': earphoneauthcode,

          // 'lastbettime': lastbettime,
          // 'createtime': createtime,
          // 'wxopenid': wxopenid,
          // 'googleopenid': googleopenid,
          // 'facebookopenid': facebookopenid,
        }
      };
}