// ==UserScript==
// @name         蓝天教育基础教育教师培训
// @namespace    http://tampermonkey.net/
// @version      1.3
// @description  蓝天 教育 基础教师培训
// @author       空山新愚
// @match        https://v3.lt-edu.net/*
// @match        https://jstsgc.gdedu.gov.cn/*
// @match        https://preview.dccloud.com.cn/*
// @grant        none
// @license      MPL
// @downloadURL none
// ==/UserScript==

window.onload = setTimeout(refresh,5000 * 60);
function refresh(){
    let hre = location.href;
    if (hre.includes("https://v3.lt-edu.net/student.html#/index/classStudy")) {
        location.reload(true);
    }
}

function click_item(){
    var enter = 'body > div.el-message-box__wrapper > div > div.el-message-box__btns > button.el-button.el-button--default.el-button--small.el-button--primary';
    if(document.querySelector(enter)){
        document.querySelector(enter).click();
    }
    setTimeout(click_item,300); //300 毫秒
}

function watch(){
    try {
        document.querySelector("video").play();
        document.querySelector("video").volume = 0;
        document.querySelector("video").playbackRate = 1;
    } catch (error) {setTimeout(watch, 300);}
    setTimeout(watch, 300);
}

function sleep(delay) {
    for(var t = Date.now(); Date.now() - t <= delay;);
}

var listLen = 0;

function getListCount(){
    let t = 0;
    if(document.getElementsByClassName('mb18 mt18 pr video')[document.getElementsByClassName('mb18 mt18 pr video').length - 1].childNodes[1].firstChild.children[0])
    {
        try{
            t = document.getElementsByClassName('mb18 mt18 pr video')[document.getElementsByClassName('mb18 mt18 pr video').length - 1].childNodes[1].firstChild.children[0].childElementCount;
        }catch(error){setTimeout(listLen = getListCount(), 3000);}
    }
    return t;
}

var flag_choose_item = false;
function choose(){
    try{
        listLen = getListCount();
        for(var i = 0; i < listLen; i++){
            var chooseNum;
            if((chooseNum = document.getElementsByClassName('mb18 mt18 pr video')[document.getElementsByClassName('mb18 mt18 pr video').length - 1].childNodes[1].firstChild.children[0].children[i].firstChild)){
                var videoStatu = chooseNum.children[2].className;
                if(videoStatu != 'video-status success'){
                    if(chooseNum.children[1].className != 'el-icon-video-play el-icon el-icon-video-pause'){
                        if(!flag_choose_item){
                            chooseNum.children[1].click();
                            click_item();
                            flag_choose_item = true;
                        }
                    }else{
                        flag_choose_item = false;
                    }
                    break;
                }
            }
        }
    }catch (error) {}
    setTimeout(choose_study, 1000);
}

function clickProject(){
    let hre = location.href;
    if(hre.includes("https://v3.lt-edu.net/student.html#/index/home")){
        if(document.getElementsByClassName('training-projectsButton')[0]){
            document.getElementsByClassName('training-projectsButton')[0].click();
        }
        else{
            setTimeout(clickProject, 1000);
        }
    }
}

var len;
function getLenCount(){
    let t = 0;
    try{
        t = document.getElementsByClassName('el-tree menuList_warp')[0].childElementCount - 1;
    }catch(error){setTimeout(listLen = getLenCount(), 3000);}
    return t;
}

function close_project(){
    let hre = location.href;
    if (hre.includes("https://v3.lt-edu.net/student.html#/project/index")){
        // window.open("about:blank","_self").close()
    }else{
        setTimeout(close_project, 300);
    }
}

function click_study(i){
    if(document.getElementsByClassName('project-courseButton')[i]){
        document.getElementsByClassName('project-courseButton')[i].click();
    }
}

var flag_choose = false;
function choose_study(){
    let hre = location.href;
    if (hre.includes("https://v3.lt-edu.net/student.html#/project/index")) {
        try{
            var project_main = document.getElementsByClassName('project-course')[0];
            var studyLen = project_main.childElementCount
            for(var i = 0; i < studyLen; i++){
                let studyProject = project_main.children[i].children[1].firstChild.children[1]
                let studyStatus = studyProject.textContent
                if(studyStatus != '已学习'){
                    if(!flag_choose){
                        click_study(i);
                        close_project();
                        flag_choose = true;
                    }
                    break;
                }
            }
        }catch(error){setTimeout(choose_study, 1000);}
    }
}


function readPaper(){
    let hre = location.href;
    if(document.getElementsByClassName('file-box-content')){
        let bookLen = document.getElementsByClassName('file-box-content').length;
        for(var i = 0; i < bookLen; i++){
            let bookNode = document.getElementsByClassName('file-box-content')[i];
            if(bookNode.children[1].textContent != '( 已完成 )'){
                bookNode.lastChild.click();
            }
        }
    }
}

function lop(){
    let hre = location.href;
    if (hre.includes("https://v3.lt-edu.net/student.html#/index/classStudy")) {
        try{
            len = getLenCount();
            for (let i = 0; i < len; i++){
                var treeProject = document.getElementsByClassName('nav_menu')[i];
                let isStudy = treeProject.firstChild.title
                if(isStudy == '已学习' && i == len - 1){
                    window.open('https://v3.lt-edu.net/student.html#/project/index', '_self');
                }
                if(isStudy == '已学习'){
                    continue;
                }
                let nowStudy = treeProject.children[1].className
                if(nowStudy == 'beyondConcealment ellipsis active'){
                    readPaper();
                    break;
                }else{
                    treeProject.click();
                    break;
                }
            }
            choose();
        }catch(error){}
    }
    setTimeout(lop, 2000);
}


window.onload =
    function do_see() {
    //视频播放页
    let hre = location.href;
    if(hre.includes("https://v3.lt-edu.net/student.html#/index/home")){
        clickProject();
    }else if (hre.includes("https://v3.lt-edu.net/student.html#/index/classStudy")) {
        lop();
        watch();
    }else if (hre.includes("https://v3.lt-edu.net/student.html#/project/index")) {
        choose_study();
    }
    setTimeout(do_see, 1000);
};