class Account {
  const Account({
    required this.id,
    required this.username,
    required this.isAdmin,
    required this.permissions,
  });

  final String id;
  final String username;
  final bool isAdmin;
  final Map<String, dynamic> permissions;

  bool get canReadSupport => isAdmin || _supportFlag('read');

  bool get canWriteSupport => isAdmin || _supportFlag('write');

  bool _supportFlag(String key) {
    final support = permissions['support'];
    if (support is Map) {
      return support[key] == true;
    }
    return false;
  }

  factory Account.fromJson(Map<String, dynamic> json) {
    return Account(
      id: json['id']?.toString() ?? '',
      username: json['username'] as String? ?? '',
      isAdmin: json['isAdmin'] == true,
      permissions: _stringKeyMap(json['permissions']),
    );
  }

  Map<String, dynamic> toJson() {
    return {
      'id': id,
      'username': username,
      'isAdmin': isAdmin,
      'permissions': permissions,
    };
  }
}

Map<String, dynamic> _stringKeyMap(Object? value) {
  if (value is! Map) {
    return {};
  }
  return value.map((key, item) => MapEntry(key.toString(), item));
}