class AuthUser {
  final int id;
  final String username;
  final String role;

  const AuthUser({required this.id, required this.username, required this.role});

  bool get isAdmin => role == 'admin';

  factory AuthUser.fromMap(Map<String, dynamic> map) => AuthUser(
    id: map['id'] as int,
    username: map['username'] as String,
    role: map['role'] as String,
  );
}

abstract class AuthState {
  const AuthState();
}

class AuthLoading extends AuthState {
  const AuthLoading();
}

class AuthAuthenticated extends AuthState {
  final AuthUser user;
  const AuthAuthenticated(this.user);
}

class AuthUnauthenticated extends AuthState {
  const AuthUnauthenticated();
}