class AuthManager extends ChangeNotifier{

  AuthManager(){
    _userInfo = UserInfo.initial();
  }

  UserInfo _userInfo;
  UserInfo get userInfo => _userInfo;


  void setUserInfo(UserInfo userInfo){
    _userInfo = userInfo;
    notifyListeners();
  }
}


class ApiClient {
  final AuthManager authManager;

  Dio _httpClient;
  Dio get httpClient => _httpClient;
  GraphQLClient _graphQLClient;
  GraphQLClient get graphQLClient => _graphQLClient;

  ApiClient({
    @required Dio Function(String token) httpClientBuilder,
    @required GraphQLClient Function(String token) graphQlClientBuilder,
    @required this.authManager
  }) {
    void _buildClients(){
      _httpClient = httpClientBuilder(authManager.userInfo.accessToken);
      _graphQLClient = graphQlClientBuilder(authManager.userInfo.accessToken);
    }
    _buildClients();
    authManager.addListener(() {
      _buildClients();
    });
  }
}