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

// create an axios instance
const service = axios.create({
  baseURL: '/api/', // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout
});

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent

    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['X-Token'] = getToken();
      // config.headers['Set-Cookie'] = getToken();
    }

    return config;
  },
  error => {
    // do something with request error
    console.log(error); // for debug
    return Promise.reject(error);
  }
);

// response interceptor
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 => {
    const res = response.data;

    if (!res) {
      Message({
        message: '网络出错，请稍后重试',
        type: 'error',
        duration: 5000
      });
    }

    if (res && !res.false && res.errorCode === 'login_session_expire_faiture_001') {
      // to re-login
      Message({
        message: '登录状态已失效，请重新登录',
        type: 'error',
        duration: 5000
      });

      store.dispatch('user/resetToken').then(() => {
        //location.reload();
      });
      // to re-login
      // MessageBox.confirm(res.errorMsg, '确认登录', {
      //   confirmButtonText: '重新登录',
      //   type: 'warning',
      //   showClose: false,
      //   showCancelButton: false,
      //   closeOnClickModal: false
      // }).then(() => {
      //   store.dispatch('user/resetToken').then(() => {
      //     location.reload();
      //   });
      // });
      return null;
    }

    return typeof res === 'object'
      ? res
      : {
          result: true,
          token: res
        };

    // if the custom code is not 20000, it is judged as an error.
    // if (res.code !== 20000) {
    //   Message({
    //     message: res.message || 'Error',
    //     type: 'error',
    //     duration: 5 * 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 => {
	const statusCode = error.response.status;
	if(statusCode === 401){
		removeSsoToken();
		console.log('response is' + error.response);
		const locationUrl = error.response.headers['locationUrl'];
		console.log('location is ' + locationUrl);
		const currentUrl = window.location.href;
		window.location.href = locationUrl + '?returl=' + encodeURIComponent(currentUrl);
	}
    console.log('err' + error); // for debug
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    });
    return Promise.reject(error);
  }
);

export default service;