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

// create an axios instance
const service = axios.create({
  baseURL: '', // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 300000 // 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 = getToken()
      config.headers['Accept-Language'] = "zh-Hans"
      let apifoxToken = localStorage.getItem('apifoxToken')
      if (apifoxToken) {
        config.headers['apifoxToken'] = apifoxToken
      }
      
    }
    // else {
    //   config.headers['Content-Type'] = 'application/x-www-form-urlencoded;charset=UTF-8;'
    // }
    return config
  },
  error => {
    // do something with request error
    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 => {

    const res = response.data
    if(response.headers['content-disposition']){
      res.disposition = response.headers['content-disposition']
    } else if (response.headers['x-response']) {
      res.headers = response.headers['x-response']
    }
    // 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'))
    return res
    // } else {
    //   return res
    // }
  },
  error => {
    let err = error.response.data.error // for debug
    if (err && err.validationErrors) {
      for (let item in err.validationErrors) {
        Message({
          message: err.validationErrors[item].message,
          type: 'error',
          duration: 5 * 1000
        })
      }
    } else {
      console.log(err)
      // 用户登录，用户名密码错误，报400，后端返回 invalid_grant 信息，令牌受限
      // 不知道其他业务，报错，是否回返回该值，如果遇到 令牌受限 ，不在此提示信息，方便登录时给提示框
      if (err == 'invalid_grant') {
        
      } else {
        Message({
          message: err.message,
          type: 'error',
          duration: 5 * 1000
        })
      }
    }
    return Promise.reject(error)
  }
)

export default service