import 'package:dio/dio.dart' as dioAlias;
import 'package:dio/dio.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';

import 'package:starwork_flutter/api/api_response.dart';
import 'package:starwork_flutter/base/app_logger.dart';
import 'package:starwork_flutter/common/constant/app_toast_messages.dart';
import 'package:starwork_flutter/common/constant/cache_keys.dart';
import 'package:starwork_flutter/common/constant/http_constant.dart';
import 'package:starwork_flutter/common/utils/shared_preferences_utils.dart';
import 'package:starwork_flutter/flavors.dart';
import 'package:flutter/foundation.dart'; // 用于 debugPrint

class BaseApiService {
  final dioAlias.Dio dio = dioAlias.Dio();

  BaseApiService() {
    dio.options.baseUrl = F.apiHost;
    dio.options.connectTimeout = const Duration(seconds: 30);
    dio.options.receiveTimeout = const Duration(seconds: 30);
    dio.options.headers['content-type'] = 'application/json';

    // 添加拦截器
    dio.interceptors.add(InterceptorsWrapper(
      onRequest: (options, handler) {
        var token = SharedPreferencesUtils.getString(CacheKeys.token);
        if (token != null) {
          options.headers['Authorization'] = 'Bearer $token';
        }

        /// 请求拦截器
        return handler.next(options);
      },
      onResponse: (response, handler) {
        /// 响应拦截器
        return handler.next(response);
      },
      onError: (DioError e, handler) {
        // 异常拦截器
        return handler.next(e);
      },
    ));
  }

  /// 统一请求方法
  Future<ApiResponse<T>> makeRequest<T>({
    required String path,
    String method = HttpConstant.post,
    dynamic data,
    Map<String, dynamic>? queryParameters,
    required T Function(dynamic) fromJson,
    showLoading = true,
  }) async {
    try {
      // 🔍 打印请求信息（更详细控制）
      if (kDebugMode) {
        final uri = Uri.parse('${dio.options.baseUrl}$path');
        final queryString = queryParameters != null ? '?${uri.queryParameters.toString()}' : '';
        AppLogger.debug('🟦 API Request: $method ${uri.toString()}$queryString');
        if (data != null) {
          AppLogger.debug('🟦 Request Body: $data');
        }
      }

      dioAlias.Response response;
      EasyLoading.show(status: AppToastMessages.loading);
      switch (method.toUpperCase()) {
        case HttpConstant.get:
          response = await dio.get(path, queryParameters: queryParameters);
          break;
        case HttpConstant.post:
          response = await dio.post(path, data: data, queryParameters: queryParameters);
          break;
        case HttpConstant.put:
          response = await dio.put(path, data: data, queryParameters: queryParameters);
          break;
        case HttpConstant.delete:
          response = await dio.delete(path, data: data, queryParameters: queryParameters);
          break;
        case HttpConstant.patch:
          response = await dio.patch(path, data: data, queryParameters: queryParameters);
          break;
        default:
          return ApiResponse.error('Unsupported method: $method');
      }

      // ✅ 打印响应
      if (kDebugMode) {
        AppLogger.debug('🟩 API Response [${response.statusCode}] ${response.requestOptions.path}');
        AppLogger.debug('🟩 Response Data: ${response.data}');
      }

      if (response.statusCode! >= 200 && response.statusCode! < 300) {
        final jsonMap = response.data as Map<String, dynamic>;

        // ✅ 直接用 ApiResponse.fromJson 解析整个响应
        final apiResponse = ApiResponse<T>.fromJson(jsonMap, fromJson);

        // ✅ 判断业务是否成功（根据 errorCode）
        if (apiResponse.errorCode == 0) {
          return apiResponse; // 直接返回，data 已解析
        } else {
          // 业务失败，但 data 可能有部分信息
          return ApiResponse.error(
            apiResponse.errorMsg ?? 'Request failed',
            errorCode: apiResponse.errorCode,
            data: apiResponse.data,
          );
        }
      } else {
        return ApiResponse.error(
          response.statusMessage ?? 'Request failed',
          errorCode: response.statusCode,
        );
      }
    } on dioAlias.DioException catch (e) {
      // ❌ 打印错误
      if (kDebugMode) {
        AppLogger.error('🟥 API Error: ${e.type} - ${e.message}', error: e);
        if (e.response != null) {
          AppLogger.error('🟥 Error Response: ${e.response?.data}');
          AppLogger.error('🟥 Status Code: ${e.response?.statusCode}');
        }
      }

      String message = 'Unknown error';
      int? statusCode = e.response?.statusCode;

      if (e.type == dioAlias.DioExceptionType.connectionTimeout) {
        message = 'Connection timeout';
      } else if (e.type == dioAlias.DioExceptionType.receiveTimeout) {
        message = 'Server timeout';
      } else if (e.type == dioAlias.DioExceptionType.badResponse) {
        message = e.response?.statusMessage ?? 'Bad response';
      } else if (e.type == dioAlias.DioExceptionType.connectionError) {
        message = 'Network not available';
      } else {
        message = e.message ?? 'Something went wrong';
      }

      return ApiResponse.error(message, errorCode: statusCode);
    } catch (e) {
      if (kDebugMode) {
        AppLogger.error('🟥 Unexpected Error: $e', error: e);
      }
      return ApiResponse.error('Unexpected error: $e');
    } finally {
      EasyLoading.dismiss();
    }
  }
}