import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import router from '@/router'
import { getToken } from '@/utils/auth'




// 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: 20000 ,// request timeout
  crossDomain: true
})


// 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['X-Token'] = getToken()
    }
    return config
  },
  error => {
    // do something with request error
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(

  response => {
    const res = response.data
    // if the custom code is not 20000, it is judged as an error.
    if (res.code !== 20000) {
      if(res.code == 4){
        store.dispatch("user/logout");
        window.location.href = "/";
        Message({
          message: "登录失效，请重新登录",
          type: 'error',
        })
        
        
       
      }
      return res
     
    } else {
      return res
    }
  },
  error => {
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service