class User {
  final int id;
  final String email;
  final String? username;
  final String? firstName;
  final String? lastName;
  final String? displayName;
  final String? avatarUrl;

  User({
    required this.id,
    required this.email,
    this.username,
    this.firstName,
    this.lastName,
    this.displayName,
    this.avatarUrl,
  });

  factory User.fromJson(Map<String, dynamic> json) {
    return User(
      id: json['id'] ?? 0,
      email: json['email'] ?? '',
      username: json['username'],
      firstName: json['first_name'],
      lastName: json['last_name'],
      displayName: json['display_name'] ?? json['name'],
      avatarUrl: json['avatar_url'],
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'email': email,
      'username': username,
      'first_name': firstName,
      'last_name': lastName,
      'display_name': displayName,
      'avatar_url': avatarUrl,
    };
  }

  String get fullName {
    if (firstName != null && lastName != null) {
      return '$firstName $lastName';
    }
    return displayName ?? email;
  }
}