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

// create an axios instance
const service = axios.create({
  baseURL: window.STATIC_CONFIG.proxyUrl, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 15000 // request timeout
})

// 请求前拦截
service.interceptors.request.use(
  config => {
    // do something before request is sent
    // 判断 store 中是否存在 token
    // 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('请求前拦截error=', error) // for debug
    return Promise.reject(error)
  }
)

// 响应拦截
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 => {
    let res = response.data
    // console.log('request response=', response)
    // 目前前端和后端的判断方式不同，先把状态码直接设置为20000
    if (response.status === 200 || response.status === 204) {
      if (res === null) {
        res = {
          code: 20000
        }
      }
      // res.code = 20000
      const resType = typeof res
      // console.log(`res typeof = `, typeof res)
      // 如果返回的 res 不是对象时，添加 code: 20000

      if (resType === 'object') {
        res.code = 20000
      } else {
        res = {
          'data': response.data
        }
      }
      // console.log(`request res = `, res)
    } else {
      console.log(`request status不是200 response = `, response)
    }
    // 不再判断 res.code !== 20000 的报错
    return res
    // if the custom code is not 20000, it is judged as an error.
    /* if (res.code !== 20000) {
      Message({
        message: '后端报错：' + res.code + '-' + res.message || 'Error',
        type: 'error',
        duration: 3 * 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 => {
    console.log(error) // for debug
    console.log('request.js err.response=', error.response) // for debug
    // error.response.data.message = error.response.data.message || '未知错误'
    Message({
      message: error.toString().indexOf('Network') > -1 ? '网络请求失败' : '' + error.response.data.message,
      type: 'error',
      duration: 3 * 1000,
      offset: window.screen.height / 3
    })
    return Promise.reject(error)
  }
)

export default service