class UserProfile {
  const UserProfile({
    required this.id,
    required this.email,
    this.firstName,
    this.lastName,
    this.preferredLanguage,
  });

  final String id;
  final String email;
  final String? firstName;
  final String? lastName;
  final String? preferredLanguage;

  String get displayName =>
      [firstName, lastName].where((s) => s != null && s.isNotEmpty).join(' ');

  factory UserProfile.fromJson(Map<String, dynamic> j) => UserProfile(
        id: j['id'] as String,
        email: j['email'] as String,
        firstName: _str(j['first_name']),
        lastName: _str(j['last_name']),
        preferredLanguage: _str(j['preferred_language']),
      );

  static String? _str(dynamic v) {
    final s = v as String?;
    return (s == null || s.isEmpty) ? null : s;
  }
}