import axios from 'axios'
import router from '@/router/routers'
import { Notification, MessageBox } from 'element-ui'
import store from '../store'
import { getToken } from '@/utils/auth'
import Config from '@/settings'

// 创建axios实例
const service = axios.create({
 baseURL: process.env.NODE_ENV === 'production' ? process.env.VUE_APP_BASE_API : '/', // api 的 base_url
 timeout: Config.timeout // 请求超时时间
})

// request拦截器
service.interceptors.request.use(
 config => {
 if (getToken()) {
 config.headers['Authorization'] = getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
 }
 config.headers['Content-Type'] = 'application/json'
 return config
 },
 error => {
 // Do something with request error
 console.log(error) // for debug
 Promise.reject(error)
 }
)

// response 拦截器
service.interceptors.response.use(
 response => {
 const code = response.status
 if (code < 200 || code > 300) {
 Notification.error({
 title: response.message
 })
 return Promise.reject('error')
 } else {
 return response.data
 }
 },
 error => {
 let code = 0
 try {
 code = error.response.data.status
 } catch (e) {
 if (error.toString().indexOf('Error: timeout') !== -1) {
 Notification.error({
 title: '网络请求超时',
 duration: 5000
 })
 return Promise.reject(error)
 }
 }
 if (code) {
 if (code === 401) {
 MessageBox.confirm(
 '登录状态已过期,您可以继续留在该页面,或者重新登录',
 '系统提示',
 {
 confirmButtonText: '重新登录',
 cancelButtonText: '取消',
 type: 'warning'
 }
 ).then(() => {
 store.dispatch('LogOut').then(() => {
 location.reload() // 为了重新实例化vue-router对象 避免bug
 })
 })
 } else if (code === 403) {
 router.push({ path: '/401' })
 } else {
 const errorMsg = error.response.data.message
 if (errorMsg !== undefined) {
 Notification.error({
 title: errorMsg,
 duration: 5000
 })
 }
 }
 } else {
 Notification.error({
 title: '接口请求失败',
 duration: 5000
 })
 }
 return Promise.reject(error)
 }
)
export default service