flutterApp/lib/core/network/dio_client.dart

import 'package:dio/dio.dart';
import 'package:maibu_satabot_v2/core/consts/http_api_consts.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/auth/presentation/bloc/auth_cubit.dart';

class DioClient {
  static Dio create() {
    final dio = Dio(
      BaseOptions(
        baseUrl: HttpApiConsts.baseUrl,
        connectTimeout: const Duration(seconds: 20),
        receiveTimeout: const Duration(seconds: 20),
        headers: {'Content-Type': 'application/json'},
      ),
    );

    dio.interceptors.add(LogInterceptor(requestBody: true, responseBody: true));

    dio.interceptors.add(
      InterceptorsWrapper(
        onRequest: (options, handler) {
          final userCubit = sl<AppUserCubit>();
          final token = userCubit.state.user?.token;

          if (token != null && token.isNotEmpty) {
            options.headers['Authorization'] = 'Bearer $token';
          }

          return handler.next(options);
        },

        // ======================
        // ✅ 关键：401 自动拦截
        // ======================
        onResponse: (response, handler) {
          return handler.next(response);
        },

        onError: (DioException e, handler) async {
          // 401 = token 过期 / 未授权
          if (e.response?.statusCode == 401) {
            try {
              // 调用 logout 清除本地缓存 + 跳登录
              await sl<AuthCubit>().logout();
            } catch (ex) {
              // 防止报错
            }
          }

          return handler.next(e);
        },
      ),
    );

    return dio;
  }
}