import 'package:aitrainer_app/repository/user_repository.dart';
import 'package:aitrainer_app/util/common.dart';
import 'package:flutter_form_bloc/flutter_form_bloc.dart';

class ResetPasswordFormBloc extends FormBloc<String, String> with Common {
  final UserRepository userRepository;

  final emailField = TextFieldBloc(
    validators: [
      FieldBlocValidators.required,
    ],
  );

  ResetPasswordFormBloc({this.userRepository}) {
    addFieldBlocs(fieldBlocs: [
      emailField
    ]);

    emailField.onValueChanges(onData: (previous, current) async* {
      userRepository.setEmail(current.value);
    });
  }

  @override
  void onSubmitting() async {
    try {
      emitLoading(progress: 30);
      if ( ! validateEmail(userRepository)) {
        emailField.addFieldError(EMAIL_ERROR, isPermanent: true);

        emitFailure(failureResponse: EMAIL_ERROR);
      } else {
        // Emit either Loaded or Error
        await userRepository.resetPassword();
        emitSuccess(canSubmitAgain: false);
      }
    } on Exception catch (ex) {
      emitFailure(failureResponse: ex.toString());

    }
  }

  Future<void> close() {
    emailField.close();
    return super.close();
  }

}