import axios from 'axios'
import qs from 'qs'
import imgPath from "@/assets/image/jiazai.gif"

const TIME_OUT_MS = 180 * 1000 // 默认请求超时时间

function prompt() {
    window.ELEMENT.Message({
        message: `<div style="display: flex;justify-content: center;flex-wrap: wrap;margin: 20px 0">
        <img src="${imgPath}" alt="" style="width: 122px;height: 85px;margin-bottom: 20px"> 
        <p style="width: 100%;text-align: center;color: #999"> 技术人员更新系统中，请一分钟后重试</p></div>`,
        type: 'info',
        dangerouslyUseHTMLString: true,
        center: true,
        duration: 10000,
        iconClass: 'el-icon'
    })
    console.log('执行多少次')
}

// 定时器
let timer = null
let timer2 = null
let flgs = 0

/*
 * @param response 返回数据列表
 */
function handleResults (response) {
    let remoteResponse = response.data;
    return remoteResponse
}

function handleUrl (url) {
    url = BASE_URL + url;
    return url
}

/*
 * @param data 参数列表
 * @return
 */
function handleParams (data) {
    return data
}

export default {
    /*
     * @param url
     * @param data
     * @param response 请求成功时的回调函数
     * @param exception 异常的回调函数
     */
    post (url, data, response, exception) {
        let user = sessionStorage.getItem('user') , token = "";
        if(user != null){
            token = JSON.parse(user).id
            // data.token = token
        }
        if(localStorage.getItem('lang') == 'en') {
            data.lang = 'english'
        }
        axios({
            method: 'post',
            url: handleUrl(url),
            data: handleParams(qs.stringify(data)),
            timeout: TIME_OUT_MS,
            headers: {
                //'Content-Type': 'application/json; charset=UTF-8'
                'Content-type': ' application/x-www-form-urlencoded; charset=UTF-8',
                'Token': token
            }
        }).then(
            (result) => {
                response(handleResults(result))
            }
        ).catch(
            (error) => {
                if (exception) {
                    var str = error + ''
                    if(str.indexOf('504') != '-1' || str.indexOf('502') != '-1') {

                        if (flgs == 0) {
                            timer = setTimeout(() => {
                                prompt()
                            }, 100)
                            flgs++
                            clearTimeout(timer2)
                            timer2 = setTimeout(() => {
                                flgs = 0
                            }, 12000)
                        }
                        // exception(false)
                    } else {
                        exception(error)
                    }
                } else {
                    console.log(error, 3)
                }
            }
        )
    },

    WPGpost (url, data, response, exception) {
        let user = sessionStorage.getItem('user') , token = "";
        if(user != null){
            token = JSON.parse(user).id
        }
        axios({
            method: 'post',
            url: handleUrl(url),
            
            // timeout: TIME_OUT_MS,
            headers: {
                //'Content-Type': 'application/json; charset=UTF-8'
                'Content-type': ' application/x-www-form-urlencoded; charset=UTF-8',
                'Token': token,
                'app_id': '3bf356d5-bdba-48d4-b1f5-e91468beefa3',
                'app_key': 'f2960f3bf3c5ca58ee0c6970c1242e87-1655272886142-371814'
            },
            data: {
                'headers' : {
                    'Authorization' : ''
                },
                'IT_TAB': {
                    'PSPHI': '',
                    'PROJK': '',
                    'GJAHR': '',
                    'MONAT': '',
                    'ZUNAM': '',
                    'ZID': '',
                    'ZDEP': '',
                    'DMBTR': '',
                }
            }
        }).then(
            (result) => {
                response(handleResults(result))
            }
        ).catch(
            (error) => {
                if (exception) {
                    var str = error + ''
                    if(str.indexOf('504') != '-1' || str.indexOf('502') != '-1') {

                        if (flgs == 0) {
                            timer = setTimeout(() => {
                                prompt()
                            }, 100)
                            flgs++
                            clearTimeout(timer2)
                            timer2 = setTimeout(() => {
                                flgs = 0
                            }, 12000)
                        }
                        // exception(false)
                    } else {
                        exception(error)
                    }
                } else {
                    console.log(error, 3)
                }
            }
        )
    },
    /*
     * get 请求
     * @param url
     * @param response 请求成功时的回调函数
     * @param exception 异常的回调函数
     */
    get (url , response, exception) {
        let user = sessionStorage.getItem('user') , token = "";
        if(user != null){
            token = JSON.parse(user).id
            // data.token = token
        }
        axios({
            method: 'get',
            url: handleUrl(url),
            headers: {
                'Content-Type': 'application/json; charset=UTF-8',
                'Token': token
            }
        }).then(
            (result) => {
                response(handleResults(result))
            }
        ).catch(
            (error) => {
                if (exception) {
                    exception(error)
                } else {
                    console.log(error)
                }
            }
        )
    },
    /*
     * 导入文件
     * @param url
     * @param data
     * @param response 请求成功时的回调函数
     * @param exception 异常的回调函数
     */
    uploadFile (url, data, response, exception) {
        let user = sessionStorage.getItem('user') , token = "";
        if(user != null){
            token = JSON.parse(user).id
            // data.token = token
        }
        axios({
            method: 'post',
            url: handleUrl(url),
            data: handleParams(data),
            dataType: 'json',
            processData: false,
            contentType: false,
            headers: {
                'Token': token
            }
        }).then(
            (result) => {
                response(handleResults(result, data))
            }
        ).catch(
            (error) => {
                if (exception) {
                    exception(error)
                } else {
                    console.log(error)
                }
            }
        )
    },
    /*
     * 下载文件用，导出 Excel 表格可以用这个方法
     * @param url
     * @param param
     * @param fileName 如果是导出 Excel 表格文件名后缀最好用.xls 而不是.xlsx，否则文件可能会因为格式错误导致无法打开
     * @param exception 异常的回调函数
     */
    downloadFile (url, data, fileName, exception) {
        var user = sessionStorage.getItem('user') , token = "";
        if(user != null){
            token = JSON.parse(user).id
        }
        axios({
            method: 'post',
            url: handleUrl(url),
            data: handleParams(qs.stringify(data)),
            responseType: 'blob',
            headers: {
                'Token': token
            }
        }).then(
            (result) => {
                const excelBlob = result.data
                if ('msSaveOrOpenBlob' in navigator) {
                    window.navigator.msSaveOrOpenBlob(excelBlob, fileName)
                } else {
                    const elink = document.createElement('a')
                    elink.download = fileName
                    elink.style.display = 'none'
                    const blob = new Blob([excelBlob])
                    elink.href = URL.createObjectURL(blob)
                    document.body.appendChild(elink)
                    elink.click()
                    document.body.removeChild(elink)
                }
            }
        ).catch(
            (error) => {
                if (exception) {
                    exception(error)
                } else {
                    console.log(error)
                }
            }
        )
    },
    uploadFileFormData (url, data, response, exception) {
        axios({
            method: 'post',
            url: handleUrl(url),
            data: data,
            // timeout: TIME_OUT_MS,
            headers: {
                'Content-Type': 'multipart/form-data'
            }
        }).then(
            (result) => {
                response(handleResults(result))
            }
        ).catch(
            (error) => {
                if (exception) {
                    exception(error)
                } else {
                    console.log(error)
                }
            }
        )
    }
}