import 'package:flutter_bloc/flutter_bloc.dart';

import '../../domain/usecases/login_usecase.dart';
import 'auth_cubit.dart';
import 'login_state.dart';

class LoginCubit extends Cubit<LoginState> {
  final LoginUseCase loginUseCase;
  final AuthCubit authCubit;

  LoginCubit(this.loginUseCase, this.authCubit) : super(LoginInitial());

  /// Login
  /// @param username    用户名
  /// @param password    密码
  /// @param sourceType  登录来源: 1:web; 2:mobile; 3:mini_programs; 4:pc
  Future<void> login(String username, String password, sourceType) async {
    emit(LoginLoading());
    try {
      final result = await loginUseCase.call(
        LoginParams(username, password, sourceType),
      );
      result.fold((failure) => emit(LoginFailure(failure.message)), (user) {
        emit(LoginSuccess(user));
        authCubit.loginSuccess(user);
      });
    } catch (e) {
      emit(LoginFailure(e.toString()));
    }
  }
}