import api from './request';
import { message, Spin } from 'antd'
import ReactDOM from 'react-dom';
import '../common/common.less'
const axios=require('axios');
//axios.defaults.baseURL = 'http://192.168.3.184:8871';//'http://192.168.2.237:8871/';

// 当前正在请求的数量
let requestCount = 0

// 显示loading
function showLoading () {
    if (requestCount === 0) {
        var dom = document.createElement('div')
        dom.setAttribute('id', 'loading')
        document.body.appendChild(dom)
        ReactDOM.render(<Spin tip="加载中..." size="large"/>, dom)
    }
    requestCount++
}

// 隐藏loading
function hideLoading () {
    requestCount--
    if (requestCount === 0) {
        document.body.removeChild(document.getElementById('loading'))
    }
}


const post=(url,data)=>{
    return axios({
        method:'post',
        url:url,
        data
    });
};

// 表单 form封装接口
const xPost=(url,data)=>{
    let param = new URLSearchParams();
    for(let i in data){
        param.append(i,data[i]);
    }
    return axios({
        method:'post',
        contentType:'application/x-www-form-urlencoded',
        url:url,
        data:param
    });
};

// 导出
const expJson = (url,data) =>{
    return axios({
        method:'post',
        url,
        data,
        contentType: "application/vnd.ms-excel;charset=UTF-8" ,
        responseType: 'blob' //必须添加，否则会乱码
    });
}

const get=(url,data)=>{
    return axios({
        method:'get',
        url:url,
        data
    });
};

function interceptors(){
//拦截所有请求添加token
    axios.interceptors.request.use(function (req) {
        const tokenStr = localStorage.getItem('token');
        const sysId = localStorage.getItem('systemId');
        const hisId = localStorage.getItem('hospitalId');
        if (tokenStr && req.headers.isLoading !== false) {
            (req.headers.Authorization = `Bearer ${tokenStr}`);
            sysId&&(req.headers.softwareId=sysId);
            hisId&&(req.headers.hospitalId=hisId);
            showLoading()
            return req;
        } else {
            showLoading()
            return req;
        }
    }, function (error) {
        if(error.config.headers.isLoading !== false){
            hideLoading()
        }
        return Promise.reject(error);
    });
    //拦截响应
    axios.interceptors.response.use(function (res) {
        const code = res.data.code;
        if (code===401 || code === 403 && res.config.headers.isLoading !== false) {   //401/403返回登录
            localStorage.removeItem("token");
            localStorage.removeItem("systemId");
            localStorage.removeItem("hospitalId");
            message.error("登录信息失效，请重新登录");
            window.location = '/';
            hideLoading()
        }else{
            hideLoading()
            return res;
        }
    }, function (error) {
        if(error.config.headers.isLoading !== false){
            hideLoading()
        }
        return Promise.reject(error);
    });
}

const obj = {
    post,
    xPost,
    get,
    api,
    interceptors
};
export default obj;