import axios from 'axios'
import {
  Message
} from 'element-ui'
import {
  getToken,
  removeToken
} from '@/utils/auth'
import constant from "@/api/constant";

// 是否显示重新登录
axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
if (getToken()) {
  axios.defaults.headers['X-UC-AuthToken'] = getToken()
}

axios.defaults.headers['Accept-Language'] = 'en-US';
axios.defaults.headers["X-SYSTEM-ID"] = constant.systemId ? constant.systemId : ""
axios.defaults.headers["X-SYSTEM-GROUP-ID"] = constant.systemGroupId ? constant.systemGroupId : ""
// create an axios instance
const service = axios.create({
  // axios中请求配置有baseURL选项，表示请求URL公共部分
  baseURL: process.env.VUE_APP_BASE_API,
  // 超时
  // timeout: 100000
})
// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent
    if (getToken()) {
      // let each request carry token
      // ['X-UC-AuthToken'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['X-UC-AuthToken'] = getToken()
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)
service.interceptors.response.use(response => {
  const result = response.data;

  if (result.resultStatus === 200) {
    if (result.success === true) {
      return result.data;
    } else {
      if (result.messageType === 'MESSAGE_WARN') {
        Message({
          message: result.message,
          type: 'warning',
          duration: 5 * 1000
        })
      } else if (result.messageType === 'MESSAGE_ERROR') {
        Message({
          message: result.message,
          type: 'error',
          duration: 5 * 1000
        })
      }
      return Promise.reject(`Request failed:${response.config.url}`)
    }
  } else if (result.resultStatus === 403) {
    Message({
      message: "无权限访问",
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject("无权限访问")
  } else if (result.resultStatus === 401) {
    removeToken(); // 清除浏览器全部临时缓存
    window.location.href = '/'; // 去登录页
    return Promise.reject('无效的会话，或者会话已过期，请重新登录。')
  } else {
    Message({
      message: "服务器异常：" + result.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(result.message)
  }
}, (error => {
  console.log('err' + error) // for debug
  Message({
    message: error.message,
    type: 'error',
    duration: 5 * 1000
  })
  return Promise.reject(error)
}))
service.interceptors.request.use(
  function (config) {
    // Do something before request is sent
    return config;
  },
  function (error) {
    // Do something with request error
    return Promise.reject(error);
  }
);
export default service