// ==UserScript==
// @name         高等继续教育网自动观看课程作业答题
// @namespace    http://greasyfork.org/
// @version      1.0
// @description  高等继续教育网自动答题
// @author       Roc.w
// @match        http*://*.jxjypt.cn/*
// @icon         https://www.jxjypt.cn/indexpage/images/icon.ico
// @grant        none
// @license      AGPL License
// @original-license  AGPL License
// @downloadURL none
// ==/UserScript==

console.log('您已进入高等继续教育网')

init()

function init() {
    let param = {
        ele: document.createElement('div'),
        css: "position:fixed;" +
        "bottom:100px;" +
        "box-shadow:10px 10px 10px gray;" +
        "right:20px;" +
        "display:block;" +
        "font-size:14px;" +
        "color:#fff;" +
        "z-index:1000;" +
        "height:70px;" +
        "width:70px;" +
        "background:#f44336;" +
        "border-radius:50%;" +
        "line-height:70px;" +
        "text-align:center;"+
        "cursor: pointer;"
    };
    document.querySelector('body').appendChild(((ele)=> {
        ele.id = 'smart-topic';
        ele.innerHTML = '一键观答';
        ele.style.cssText = param.css;
        return ele;
    })(param.ele));
}

//监听智能操作
document.getElementById("smart-topic").addEventListener("click", function(){
    watch();
    answer();
});

//作业答题
function answer(){

    //自动展开答案
    var zkjxs = document.getElementsByClassName('zkjx')
    for (let i = 0; i < zkjxs.length; i++)
    {
        zkjxs[i].click()
    }

    //自动填充填空、简答题答案
    var wenzis = document.getElementsByClassName('wenzi')
    for (let i = 0; i < wenzis.length; i++)
    {
        if((i%2)===0){
           var txt = wenzis[i].innerHTML.replace(/^\s*|\s*$/g, "").replace(/&nbsp;/gi, "")
           var textarea = document.getElementsByClassName('e__textarea')
           if (textarea.length>0) {
             textarea[(i/2)].value = txt
           }
        }
    }

    //自动选择选择题答案
    var rights = document.getElementsByClassName('right')
    for (let i = 0; i < rights.length; i++) {
        var daan = rights[i].innerHTML
        var answers = document.getElementsByClassName('sub-answer sub-picon-no clearfix ')
        for (let j = 0; j < answers[i].children.length; j++) {
            var val = answers[i].children[j].getAttribute('data-value');
            for (let k = 0; k < daan.length; k++) {
                if (daan[k]==val) {
                    answers[i].children[j].click()
                }
            }
        }
    }
}

//观看课程
function watch(){
    var courses = document.getElementsByClassName('course-list-txt')
    for (let i = 0; i < courses.length; i++) {
        for (let j = 0; j < courses[i].children[0].children.length; j++) {
            courses[i].children[0].children[j].click();
            answer()
        }
    }
}