import axios from 'axios'
// import { MessageBox, Message } from 'element-ui'
import { Loading } from 'element-ui'
import { getSessionId } from '@/utils/auth'
import sign from '@/utils/loginSign';
import {showTipOfStatuCode} from './statusCodeManage'


let loading        //定义loading变量
function startLoading() {    //使用Element loading-start 方法
    loading = Loading.service({
        lock: true,
        text: '加载中……',
        background: 'rgba(0, 0, 0, 0.7)'
    })
}
function endLoading() {    //使用Element loading-close 方法
    loading.close()
}
//那么 showFullScreenLoading() tryHideFullScreenLoading() 要干的事儿就是将同一时刻的请求合并。
//声明一个变量 needLoadingRequestCount，每次调用showFullScreenLoading方法 needLoadingRequestCount + 1。
//调用tryHideFullScreenLoading()方法，needLoadingRequestCount - 1。needLoadingRequestCount为 0 时，结束 loading。
let needLoadingRequestCount = 0
export function showFullScreenLoading() {
    if (needLoadingRequestCount === 0) {
        startLoading()
    }
    needLoadingRequestCount++
}

export function tryHideFullScreenLoading() {
    if (needLoadingRequestCount <= 0) return
    needLoadingRequestCount--
    if (needLoadingRequestCount === 0) {
        endLoading()
    }
}


// import StatusCodeManage from './statusCodeManage';
// create an axios instance
const service = axios.create({
    baseURL: '/flp',
    timeout: 300000 // request timeout
})

// request interceptor
let configs
service.interceptors.request.use(
  config => {
        configs=config
        if (config.method === 'post') {
          // post 封装数据
          if (typeof config.data !== 'object') {
              config.data = {};
          }
        } else if (config.method === 'get') {
            // get 封装数据
            if (config.params === undefined) {
                config.params = {};
            }
            //		config.params['mblNo'] = config.mblNo;
        }
        let sessionID = getSessionId();
      // 验签 用于所有没有登录并传递有电话号码的接口验签
      if (sessionID === null) {
      } else {
          // 参数签名
          // 必须由http或https开头的请求，才会进行自动签名组装
          if (config.params) {
              config.params = sign.signForFormDataOrUrl(
                  config.params,
                  true,
                  sessionID
              );
          } else if (config.data) {
              config.data = sign.signForFormDataOrUrl(
                  config.data,
                  false,
                  sessionID
              );
          } else {
              if (config.method === 'GET') {
                  config.params = sign.signForFormDataOrUrl(
                      config.data,
                      false,
                      sessionID
                  );
              } else {
                  config.data = sign.signForFormDataOrUrl(
                      config.data,
                      false,
                      sessionID
                  );
              }
          }
      }
      //  ================end   ===================
    // 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'] = getSessionId()
    // }
    showFullScreenLoading()
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    tryHideFullScreenLoading()
    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;
    tryHideFullScreenLoading()
    if(configs.method=='get'){
        return response;
    }else{
        return res;
    }

  },
  error => {
    tryHideFullScreenLoading()
    showTipOfStatuCode(error);
    return Promise.reject(error);
}
)

export default service