import axios from 'axios'
import qs from 'qs'
import Vue from 'vue'
import store from '@/store'
import Router from '@/router'
import {
  Message,
  MessageBox
} from 'element-ui'
import {
  getToken,
  removeAllToken
} from '@/utils/auth'

const service = axios.create({
  baseURL: process.env.BASE_API,
  // baseURL:'https://oa.g107.com',
  timeout: 20000,
  headers: {
    'Content-Type': 'application/x-www-form-urlencoded',
    "Cache-Control": 'no-cache',
    'pl':'b'
  },
  transformRequest: [function(data) {
    return qs.stringify(data)
  }]
})


service.interceptors.request.use(
  config => {
    if (getToken()) {
      config.headers['A-TOKEN'] = getToken()
    }
    return config
  },
  error => {
    Promise.reject(error)
  }
)

// 50008:非法的token; 50012:其他客户端登录了;  401:Token 过期了; 2000 考勤系统的token过期
var bool = true // 五秒执行一次变量
service.interceptors.response.use(
  response => {
    const res = response.data
    if (res.code === 401) {
      MessageBox.confirm('你已被登出，请重新登录', '确定登出', {
        confirmButtonText: '重新登录',
        showClose: false,
        closeOnClickModal: false,
        closeOnPressEscape: false,
        showCancelButton: false,
        type: 'warning'
      }).then(() => {
        store.dispatch('LogOut')
      }).catch(() => {
        store.dispatch('LogOut')
      })
      return Promise.reject(response)
    } else if (res.code === 0) {
      if (res.msg == '') {
        return
      }
      if (bool) {
        Message({
          message: res.msg,
          duration: 1 * 3000
        })
        bool = false
        setTimeout(() => {
          bool = true
        }, 5000)
      } else {}
      return Promise.reject(response)
    } else if (res.code === 2001) {
      Message({
        message: res.msg
      })
      return Promise.reject(response)
    } else if (res.code === 999) {
      Message({
        message: res.msg
      })
      return Promise.reject(response)
    } else if (res.code === 3000) {
      Message({
        message: res.msg
      })
      return Promise.reject(response)
    } else if (res.code === 4444) {
      Message({
        message: res.msg
      })
      return Promise.reject(response)
    } else {
      return response
    }
  },
  error => {
    if (error.message == 'interrupt') { // 是强制中断请求就拦截报错
      return Promise.reject(error)
    }
    // 五秒内只执行一次
    if (bool) {
      Message({
        message: error.message == 'timeout of 20000ms exceeded' ? '请求服务器超时，请稍后重试' : '请求网络错误，请稍后重试',
        duration: 1 * 2000,
        type: 'error'
      })
      bool = false
      setTimeout(() => {
        bool = true
      }, 5000)
    } else {
      console.log('不执行')
    }
    return Promise.reject(error)
  }
)

// 接口再次封装
var CancelToken = axios.CancelToken // 中断请求
Vue.$axiosUserRequestList = []
export default (type, url, data, versions, Content_Type, transform) => {
  var Accept, Token, ContentType, transformRequest = ''
  switch (versions) {
    case '':
      Accept = 'application/json, text/plain, */*'
      break
    case undefined:
      Accept = 'application/json, text/plain, */*'
      break
    case 'v2':
      Accept = 'application/vnd.test.v2+json'
      break
    case 'v3':
      Accept = 'application/vnd.test.v3+json'
      break
    case 'v4':
      Accept = 'application/vnd.test.v4+json'
      break
  }
  if (Content_Type == '' || Content_Type == undefined) {
    ContentType = 'application/x-www-form-urlencoded'
  } else {
    ContentType = Content_Type
  }
  if (transform) {
    transformRequest = transform
  }

  return new Promise((resolve, reject) => { // 封装ajax
    var aa = {
      method: type,
      url: url,
      headers: {
        'Accept': Accept,
        'Content-Type': ContentType,
      },
      cancelToken: new CancelToken(c => { // 强行中断请求要用到的
        Vue.$axiosUserRequestList.push(c)
      })
    }
    var json = (type == 'get') ? Object.assign(aa, {
      params: data
    }, transformRequest) : Object.assign(aa, {
      data: data
    }, transformRequest)
    var ajax = service(json).then(res => {
      resolve(res)
    }).catch(error => { // 中断请求和请求出错的处理
      if (error.message == 'interrupt') {
        return
      } else {
        reject(error)
      }
    })
    return ajax
  })
}