// ==UserScript==
// @name         中国电信网上大学知识中心自动挂课
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  点击知识中心右下加的启动按钮，开启无人值守自动挂课模式！
// @author       HuangDingYun
// @match        https://kc.zhixueyun.com/
// @icon         https://www.google.com/s2/favicons?sz=64&domain=zhixueyun.com
// @require           https://lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/jquery/3.2.1/jquery.min.js
// @grant        unsafeWindow
// @grant             GM_openInTab
// @grant             GM.openInTab
// @grant             GM_getValue
// @grant             GM.getValue
// @grant             GM_setValue
// @grant             GM.setValue
// @grant             GM_xmlhttpRequest
// @grant             GM.xmlHttpRequest
// @grant             GM_registerMenuCommand
// @grant             GM_addValueChangeListener
// @downloadURL none
// ==/UserScript==

var $ = unsafeWindow.jQuery;

var classList = new Array();

var nowCount = 0;

var divButton = '<div class="item" onclick="startAutoClass()"> <div id="startAutoPlayer" class="view"> <i class="iconfont icon-play"></i> <div class="text">自动挂课</div> </div> </div>';

var mideaButton = '<div id="clcikPlay" class="item" onclick="playMedil()"> <div id="startPlay" class="view"> <i class="iconfont icon-play"></i> <div class="text">播放</div> </div> </div>';

(function() {
    'use strict';
    setTimeout(function(){
        var url=window.location.hash
        var urlStr=url.toString()
        //增加页面功能按钮
        if(urlStr.match("/study/subject/detail/")){
            $("#D60toolbarTab").append(divButton)

        }else{
            //$("#D60toolbarTab").append(mideaButton)
        }
        //判断是否是课程页面
        if($("div.vjs-duration-display").size()!=0){
            isFinished()
        }
    },2500);

    setTimeout(function(){
        if($("button.videojs-referse-btn").size()!=0){
            playMedil()
            //$("button.videojs-referse-btn").get(0).click();
        }
    },4000);
    // Your code here...
})();

unsafeWindow.startAutoClass =function (){
    $("div.catalog-state-info").each(function(index,element){
        $(this).children("div").each(function(index,element){
            $(this).children("div.default-skin").each(function(index,element){
                if($(this).children("i.icon-reload").size()==0){
                    classList.push($(this).get(0).parentNode)
                }
            })
        })
})
    if(classList.length!=0){
        openClassPage(0);
    }else{
        alert("已经完成当前课题下的全部课程！")
    }
    
}


GM_onMessage('_.unique.name.greetings', function(src, message) {
  console.log('[onMessage]', src, '=>', message);
    nowCount++;
    if(nowCount<classList.length){
          openClassPage(nowCount);
    }})

function GM_onMessage(label, callback) {
  GM_addValueChangeListener(label, function() {
    callback.apply(undefined, arguments[2]);
  });
}

function GM_sendMessage(label) {
  GM_setValue(label, Array.from(arguments).slice(1));
}

function isFinished(){
    let timer =setTimeout(function () {
        if($("div.anew-text").size()!=0&&$("div.anew-text").text()=="您已完成该课程的学习"){
            GM_sendMessage('_.unique.name.greetings', window.location.href,"finished at "+new Date());
             window.close();
        }else{
        //console.log("学习中");
        isFinished()
        }
    }, 1000)
}

function openClassPage(nowCount){
    var page=0
    $("div.catalog-state-info").each(function(index,element){
        $(this).children("div").each(function(index,element){
                $(this).children("div.default-skin").each(function(index,element){
                if($(this).children("i.icon-reload").size()==0){
                    if(nowCount==page){
                        $(this).get(0).click();
                        //console.log($(this).get(0).parentNode)
                        //console.log(nowCount+"->"+page)
                    }
                    page++;
                   }
                })
        })
})
}

unsafeWindow.playMedil = function(){
    if($("button.videojs-referse-btn").size()!=0){
        //console.log($("button.videojs-referse-btn").get(0))
        //console.log($("span.vjs-control-text:contains(', opens captions settings dialog')"))
        if($("span.vjs-control-text:contains(', opens captions settings dialog')").size()!=0){
            $("span.vjs-control-text:contains(', opens captions settings dialog')").remove();
        }
       $("span.vjs-control-text").click()
    }
}

function play(index){
    setTimeout(function(){
        if(index<$("span.vjs-control-text").size()){
            console.log(index);
            $("span.vjs-control-text").get(index).click();
            index++;
            play(index);
        }
    },2000);
}