text: import axios from 'axios'
  import { MessageBox, Message } from 'element-ui'
  import store from '@/store'
  import {
    getToken,
    setToken,
    setTokenExpiration,
    getRefreshTime,
    setRefreshTime
  } from '@/utils/auth'
  import Vue from 'vue'
  import { refreshTokenExpration } from '@/api/user'
  import router from '@/router'
  import date from './date'
  
  // create an axios instance
  const service = axios.create({
    baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
    // withCredentials: true, // send cookies when cross-domain requests
    timeout: 5000 // request timeout
  })
  
  // request interceptor
  service.interceptors.request.use(
    config => {
      // do something before request is sent
      if (store.getters.token) {
        // let each request carry token
        // ['X-Token'] is a custom headers key
        // please modify it according to the actual situation
        config.headers.Authorization = 'Bearer ' + getToken()
      }
      return config
    },
    error => {
      // do something with request error
      console.log(error) // for debug
      return Promise.reject(error)
    }
  )
  
  // response interceptor
  service.interceptors.response.use(
    /**
     * If you want to get http information such as headers or status
     * Please return  response => response
     */
  
    /**
     * Determine the request status by custom code
     * Here is just an example
     * You can also judge the status by HTTP Status Code
     */
    response => {
      var now = new Date()
      store.dispatch('user/setRefreshTime', now)
      setRefreshTime(now)
      const res = response.data
      return res
      // if the custom code is not 20000, it is judged as an error.
      // if (res.code !== 20000) {
      //   Message({
      //     message: res.message || 'Error',
      //     type: 'error',
      //     duration: 5 * 1000
      //   })
  
      //   // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      //   if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
      //     // to re-login
      //     MessageBox.confirm(
      //       'You have been logged out, you can cancel to stay on this page, or log in again',
      //       'Confirm logout',
      //       {
      //         confirmButtonText: 'Re-Login',
      //         cancelButtonText: 'Cancel',
      //         type: 'warning'
      //       }
      //     ).then(() => {
      //       store.dispatch('user/resetToken').then(() => {
      //         location.reload()
      //       })
      //     })
      //   }
      //   return Promise.reject(new Error(res.message || 'Error'))
      // } else {
      //   return res
      // }
    },
    error => {
      if (error.response) {
        if (error.response.status == 401) {
          if (new Date(store.getters.expiration) < new Date()) {
            const refreshTime = getRefreshTime()
            if (
              new Date(refreshTime) >
              new Date(new Date().setMinutes(new Date().getMinutes() - 1)) //过期后，用户活跃时间超过规定时间段则返回登录页面
            ) {
              return refreshTokenExpration({
                token: store.getters.token
              }).then(response => {
                const { token, expiration } = response
  
                store.dispatch('user/setToken', token)
                setToken(token)
                store.dispatch('user/setTokenExpiration', expiration)
                setTokenExpiration(expiration)
                var now = new Date()
                store.dispatch('user/setRefreshTime', now)
                setRefreshTime(now)
                error.config.__isRetryRequest = true
                error.config.headers.Authorization = 'Bearer ' + token
                return service(error.config)
              })
            } else {
              store.dispatch('user/resetToken')
              router.replace({
                path: `/login`,
                query: { redirect: router.currentRoute.fullPath }
              })
            }
          } else {
            store.dispatch('user/resetToken')
            router.replace({
              path: `/login`,
              query: { redirect: router.currentRoute.fullPath }
            })
          }
        } else if (error.response.status == 403) {
          Message({
            message: '对不起,您没有操作权限,请联系管理员',
            type: 'error',
            duration: 5 * 1000
          })
        } else if (error.response.status == 400 || error.response.status == 500) {
          Message({
            message: error.response.data.message,
            type: 'error',
            duration: 5 * 1000
          })
        }
      }
      var now = new Date()
      store.dispatch('user/setRefreshTime', now)
      setRefreshTime(now)
      return ''
    }
  )
  
  export default service
  