flutterApp/lib/features/auth/presentation/bloc/login_cubit.dart

import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:maibu_satabot_v2/core/app/app_user_cubit.dart';
import 'package:maibu_satabot_v2/core/di/injection.dart';
import 'package:maibu_satabot_v2/features/devices/presentation/bloc/devices_cubit.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),
      );
      // final user = sl<AppUserCubit>().state.user;
      // final devicesCubit = sl<DevicesCubit>();
      // if (user != null) {
      //   devicesCubit.fetchAllDevices(user.username);
      // }
      result.fold((failure) => emit(LoginFailure(failure.message)), (user) async {
        // 先更新全局用户状态（确保首页能获取到 token）
        authCubit.appCubit.setAuth(user);
        // 🔥 先等待 TCP 连接和认证完成，确保 AuthCubit 变为 AuthAuthenticated
        // 再触发页面导航，避免 GoRouter 拦截踢回登录页
        await authCubit.loginSuccess(user).catchError((e) {
          print('TCP 初始化失败: $e');
        });
        // 发出登录成功状态（触发页面跳转）
        emit(LoginSuccess(user));
      });
    } catch (e) {
      emit(LoginFailure(e.toString()));
    }
  }
}