// ==UserScript==
// @name         职培云刷课
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  职培云刷课时
// @author       攸泠
// @match        https://px.class.com.cn/player/*
// @grant        none
// @license MIT
// @downloadURL none
// ==/UserScript==

(function() {
    /*当前观看的课程*/
    var current;
    /*课程中的所有课程*/
    var list;
    /*观看状态：1表示未完成课程，0表示已完成课程*/
    var lessonstatus = 1;
    /*查看模式：0代表未看完的方式，1代表已看完重刷一次，默认1即可刷所有视频，0只能刷未看完的视频*/
    var watchmode = 1;
    /*开始统计视频总时长(5秒内可自行选择起始视频)*/
    setTimeout(function() {
        /*分*/
        var minute = -1;
        /*秒*/
        var second = 0;
        /*课程内所有视频*/
        list = document.getElementById("list_chapter");
        /*时间累加*/
        for(var i = 0; i < list.getElementsByClassName("section").length; i++) {
            //定位到当前视频
            if(list.getElementsByClassName("section")[i].className.indexOf("active")!=-1) {
                current = i;
                minute = 0;
            }
            if(minute >= 0){
                minute += parseInt(list.getElementsByClassName("time")[i].innerHTML.split(":")[0]);
                second += parseInt(list.getElementsByClassName("time")[i].innerHTML.split(":")[1]);
            }
        }
        minute += parseInt(second/60);
        alert("视频总长"+minute+"分"+second%60+"秒");
    }, 5000);

    /*刷已完成课程*/
    /*因为是iframe标签，所以使用监听非常麻烦，这里采用计时的方式*/
    /*考虑到网络延时，多增加了10秒延迟*/
    function watchover(){
        lessonstatus = 0;
        var minute = parseInt(list.getElementsByClassName("time")[current].innerHTML.split(":")[0]);
        var second = parseInt(list.getElementsByClassName("time")[current].innerHTML.split(":")[1])+10;
        list.getElementsByClassName("active")[0].innerHTML += "-"+minute+":"+second;
        console.log(current);
        setTimeout(function() {
            current ++;
            list.getElementsByClassName("section")[current].click();
            lessonstatus = 1;
            //list.getElementsByClassName("section")[current].innerHTML += "时("+minute+":"+second+"),状("+watchstatus+")";
        }, (minute*60+second)*1000);
    }
    /*刷未完成课程*/
    function watchnew(){
        var test = list.getElementsByClassName("section")[current].getElementsByClassName("status-done")[0];
        //判断是否播放完成
        if(typeof(test) != "undefined") {
            console.log("视频已播放完成"+test);
            current ++;
            list.getElementsByClassName("section")[current].click();
        }
    }
    /*定时启动判断程序*/
    setInterval(function() {
        if (watchmode == 1){
            if (lessonstatus == 1){
                watchover();
            }
        }else{
            watchnew();
        }
    },10000)
})();