class User {
  final int id;  // 改为int，匹配API
  final String username;  // 改为username
  final String email;
  final String? fullName;  // 改为fullName
  final String? avatar;
  final String? phone;
  final bool isActive;
  final bool isVerified;
  final DateTime createdAt;
  final DateTime? lastLogin;

  User({
    required this.id,
    required this.username,
    required this.email,
    this.fullName,
    this.avatar,
    this.phone,
    this.isActive = true,
    this.isVerified = false,
    required this.createdAt,
    this.lastLogin,
  });

  factory User.fromJson(Map<String, dynamic> json) {
    return User(
      id: json['id'] ?? 0,
      username: json['username'] ?? '',
      email: json['email'] ?? '',
      fullName: json['full_name'],
      avatar: json['avatar'],
      phone: json['phone'],
      isActive: json['is_active'] ?? true,
      isVerified: json['is_verified'] ?? false,
      createdAt: json['created_at'] != null
          ? DateTime.parse(json['created_at'])
          : DateTime.now(),
      lastLogin: json['last_login'] != null
          ? DateTime.parse(json['last_login'])
          : null,
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'username': username,
      'email': email,
      'full_name': fullName,
      'avatar': avatar,
      'is_active': isActive,
      'is_verified': isVerified,
      'created_at': createdAt.toIso8601String(),
      'last_login': lastLogin?.toIso8601String(),
    };
  }

  // 添加一个getter来兼容之前的name字段
  // String get name => fullName ?? username;

  User copyWith({
    int? id,
    String? username,
    String? email,
    String? fullName,
    String? avatar,
    bool? isActive,
    bool? isVerified,
    DateTime? createdAt,
    DateTime? lastLogin,
  }) {
    return User(
      id: id ?? this.id,
      username: username ?? this.username,
      email: email ?? this.email,
      fullName: fullName ?? this.fullName,
      avatar: avatar ?? this.avatar,
      isActive: isActive ?? this.isActive,
      isVerified: isVerified ?? this.isVerified,
      createdAt: createdAt ?? this.createdAt,
      lastLogin: lastLogin ?? this.lastLogin,
    );
  }
}