import axios from 'axios'
import { ElMessageBox, ElMessage, ElLoading } from 'element-plus'
import store from '@/store'
import { getToken } from '@/utils/auth'
import { appID, appKey, appSecret, serverUrl, devServerUrl } from '@/config'
const baseURL = process.env.NODE_ENV === 'development' ? devServerUrl : serverUrl
// create an axios instance
const service = axios.create({
  baseURL: baseURL, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 1000 * 60 * 3 // request timeout
})

let loadingInstance = null
let ElMessageBoxFlag =false
// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent
    config.headers['AppID'] = appID
    config.headers['AppKey'] = appKey
    config.headers['AppSecret'] = appSecret
    loadingInstance = ElLoading.service({ fullscreen: true })
    if (getToken()) {
      config.headers['Authorization'] = 'Bearer ' + getToken()
    }
    return config
  },
  error => {
    // do something with request error
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  response => {
    loadingInstance.close()
    const res = response.data
    if (res.code !== 0) {
      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      if (res.code === 401) {
        // to re-login
        if(!ElMessageBoxFlag){
          ElMessageBox.confirm('登录失效，请重新登录！', '温馨提示！', {
            confirmButtonText: '确认',
            cancelButtonText: '取消',
            type: 'warning'
          }).then(() => {
              setTimeout(()=>{
                window.history.back()
              },1000)
          }).catch(()=>{
            ElMessageBoxFlag =false
          })          
          ElMessageBoxFlag =true
        }
      } else {
        ElMessage({
          message: res.msg || 'Error',
          type: 'error',
          duration: 3 * 1000
        })
      }
      return Promise.reject(new Error(res.message || 'Error'))
    } else {
      return res
    }
  },
  error => {
    loadingInstance.close()
    ElMessage({
      message: error.message || 'Error',
      type: 'error',
      duration: 3 * 1000
    })
    return Promise.reject(error)
  }
)

export default service