import axios, { AxiosRequestConfig } from "axios";
import { showLoadingToast, closeToast, showFailToast  } from 'vant';
import { useCookies } from '@vueuse/integrations/useCookies';
const { VITE_TOKEN_KEY } = import.meta.env;
const token = useCookies().get(VITE_TOKEN_KEY as string);
interface ResponseData<T = any> {
  code: number;
  message: string;
  data: T;
}
let loadingCount = 0
const MODE = import.meta.env.MODE; // 环境变量
console.log("MODE: ", MODE);
const service = axios.create({
  // 开发环境请求本地代理，生产环境请求域名
  // 开发环境在接口面前自动加上 api，配合 本地代理使用，无需在每个接口前写 /api
//   baseURL: MODE === "development" ? "/service" : "http://ab.svip52.com/api",
  headers: {
    "X-Requested-With": "XMLHttpRequest",
    "Content-Type": "application/json",
  },
});
// 两层泛型，一层是 axios 提供的，AxiosRequestConfig
// 一层是自定义的，ResponseData<T>
// 实现响应的 data 以及 data.data 的类型提示
// request 函数传入一个 data.data 的类型
const request = async <T = any>(
  config: AxiosRequestConfig
): Promise<ResponseData<T>> => {
  // 请求前加上 token
  service.interceptors.request.use((config) => {
    addToast()
    if (config?.headers) {
      config.headers.wxOpenId = token || "";
    }
    return config;
  });
    //response拦截器
    service.interceptors.response.use(
    response => {
        reduce()
        return response;
    },
    error => {
        reduce()
        return Promise.reject(error)
    }
    );
  const { data } = await service.request<ResponseData<T>>(config);
  // 请求失败
  console.log('request',data)
//   reduce()
  if (typeof data !== "object") {
    showFailToast({
      message:'服务器错误,请联系管理员',
      icon: 'warning-o',
    });
    return Promise.reject(data);
  }
  if (data.code != 200) {
    if (data.message) showFailToast({
      message:data.message,
      icon: 'warning-o',
    });
    // 401，token 过期
    if (data.code == 401) {
      localStorage.removeItem("token");
      location.href = "#/login";
    }
    return Promise.reject(data);
  }
  return data;
};
function addToast(){
    showLoadingToast({
      message: '加载中...',
      forbidClick: true,
      duration: 0,
    });
    loadingCount++
  }
function reduce(){
    loadingCount--
    if (loadingCount == 0) {
      closeToast()
    }
}
export default request;