// ==UserScript==
// @name         雨课堂网页版试卷试题导出到PDF
// @namespace    http://tampermonkey.net/
// @version      2.0
// @description  一款支持雨课堂网页版试卷导出成PDF的插件，简单易用。
// @author       羽肿
// @match        https://examination.xuetangx.com/*
// @icon         data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant        none
// @license      GPL
// @downloadURL none
// ==/UserScript==

function p(e){
    console.log(e)
}

var pageContent
function solve(){
    pageContent = document.body.innerHTML;
    var dom=document.getElementsByClassName("subject-item")
    var problemDom=[];
    var list=["单选题","多选题","判断题"]
    for(var i=0;i<dom.length/2;i++)problemDom.push(dom[i+dom.length/2])
    var str="";
    for(i=0;i<problemDom.length;i++){
        var more=1;
        var problemContent=problemDom[i].querySelectorAll(".clearfix p")[0]
        if(!problemContent){
            problemContent=problemDom[i].querySelectorAll(".clearfix")[0];
            more=2;
        }
        else{
            var idList=problemDom[i].querySelectorAll(".checkboxInput")
            var ansList=problemDom[i].querySelectorAll(".checkboxText")
            if(idList.length==0&&ansList.length==0){
               idList=problemDom[i].querySelectorAll(".radioInput")
                ansList=problemDom[i].querySelectorAll(".radioText")
                more=0;
            }
        }
         problemContent=problemContent.textContent.replace(/\n|\r/g, "")

        str+=("第"+(i+1)+"题"+"("+list[more]+"):"+problemContent)+"<br>"
        if(more==2){
            continue;
        }
        for(var j=0;j<idList.length;j++){
            var opt=idList[j].innerText.replace(/\n|\r/g, "")+":"+ansList[j].innerText.replace(/\n|\r/g, "")
            str+=opt+"<br>"
        }
        str+="<br>"
   }
   document.body.innerHTML=str;
   window.print()
}

(function() {
    window.onload = function() {
        setTimeout(function() {
            solve()
            document.body.innerHTML=pageContent
   }, 3000);
 };


})();