// ==UserScript==
// @name         zhyDaDa华理超星网课助手
// @namespace    http://zhydada.github.io/
// @version      1.6
// @description  [个人向] 刷超星尔雅的网课, 现在支持pdf和视频的处理, 以及提供设置面板
// @author       zhyDaDa

// @match        *://mooc.s.ecust.edu.cn/*
// @match       *://mooc1.chaoxing.com/*

// @require      https://code.jquery.com/jquery-3.6.0.min.js
// @icon         data:image/jpeg;base64,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
// @grant        unsafeWindow
// @grant        GM_registerMenuCommand
// @grant        GM_unregisterMenuCommand
// @grant        GM_getValue
// @grant        GM_setValue
// @run-at       document-end
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

    /**
     * 1.0 视频基本操作
     * 1.1 寻找猎物
     * 1.2 确保在看到绿色勾勾出现再跳
     * 1.3 自动判断视频有没有放过, 只挑没放过的视频看
     * 1.4 克服浏览器禁止自动播放的限制, 尽力剔除bug
     * 1.5 可以完成ppt和pdf的任务了
     * 1.6 提供设置面板(保存设置有待完善)
     */
    //#region /*======================div:函数定义==========================*/

    window.zhy_settings = {
        skipGreen: 1,
        playbackRate: '1',
    };
    try {
        let settings = JSON.parse(localStorage.getItem('settings'));
        zhy_settings.skipGreen = settings.skipGreen && 1;
        zhy_settings.playbackRate = settings.playbackRate || '1';
    } catch { console.log("读入设置失败"); }
    window.zhyDaDa = {};

    /**
     * 醒目的控制台输出
     * @param {"string"} log 要打印到控制台的话
     * @param {"报错"|"警告"|"启动"|"提示"|"幽灵白"} color 字体颜色 可选项为["报错"|"警告"|"启动"|"提示"|"幽灵白"] 默认绿色
     * @param {"int"} fontSize 字体大小, 默认24
     */
    zhyDaDa.sendLog = (log, color, fontSize) => {
        switch (color) {
            case "报错":
                color = "red";
                break;
            case "警告":
                color = "#F2AB26";
                break;
            case "启动":
                color = "#A162F7";
                break;
            case "提示":
                color = "#35D4C7";
                break;
            case "幽灵白":
                color = "ghostwhite";
                break;
            default:
                color = color || "#43bb88";
                break;
        }

        fontSize = fontSize || 24;
        console.log('%c' + log, 'color: ' + color + ';font-size: ' + fontSize + 'px;font-weight: bold;'); //text-decoration: underline;
    }

    zhyDaDa.getBaseDocument = () => {
        var currentWindow = window;

        while (currentWindow !== currentWindow.parent) {
            currentWindow = currentWindow.parent;
        }

        return currentWindow.document;
    }

    /**
     * 模拟cmd中的sleep函数
     * @param {"number"} d deltaTime 即要等待的时间差 照旧以毫秒为单位
     */
    zhyDaDa.sleep = (d) => {
            for (let t = Date.now(); Date.now() - t <= d;);
        }
        //#endregion
        /*======================div:全局效果==========================*/

    //#region 防止多次启动
    if (window === window.top) zhyDaDa.sendLog("\n###################\n##zhyDaDa 网课助手##\n###################", "启动", 32);
    else return;
    //#endregion


    zhyDaDa.findPray = () => {
        try {
            let redTags = $(".orange01", zhyDaDa.getBaseDocument()).get();
            let blankTags = $(".noJob", zhyDaDa.getBaseDocument()).get();
            let Tags = redTags.concat(blankTags);
            // let len = Tags.length;
            // let ran = (Math.random() * len + 1) >> 0;
            if (!zhy_settings.skipGreen) {
                zhyDaDa.turnToNextPage();
                window.setTimeout(() => { zhyDaDa.main(); }, 5000);
            } else if (Tags.length > 0) {
                let pray = Tags[0];
                pray.parentNode.firstElementChild.click();
                window.setTimeout(() => { zhyDaDa.main(); }, 5000);
            }
        } catch { console.log("找不到猎物了"); }
    }

    zhyDaDa.turnToNextPage = () => {
        let focus = $(".currents", zhyDaDa.getBaseDocument()).get()[0];
        let neighbour = focus.parentNode.nextElementSibling;
        neighbour.firstElementChild.querySelector('a').click();
    }

    zhyDaDa.getIframes = () => {
        let aaa = $("iframe", zhyDaDa.getBaseDocument()).get();
        if (aaa[0].id == "iframe") {
            aaa = $("iframe", aaa[0].contentWindow.document).get();
        }
        return aaa;
    }

    zhyDaDa.classifyTasks = (taskIframes) => {
        let tasks = []; //[$iframe,"catagory"]
        tasks = taskIframes.map((iframe) => {
            let className = iframe.className;
            let catagory;
            if (className.indexOf("video") > 0) catagory = "video";
            if (className.indexOf("pdf") > 0) catagory = "pdf";
            if (className.indexOf("ppt") > 0) catagory = "ppt";

            return [iframe, catagory];
        });
        return tasks;
    }

    zhyDaDa.dealTasks = (tasksList) => {
            return new Promise((resolve, reject) => {
                if (tasksList.length < 1) {
                    resolve();
                } else {
                    let iframeNode = tasksList[0][0];
                    let iframeCata = tasksList[0][1];
                    switch (iframeCata) {
                        case "video":
                            zhyDaDa.dealVideo(iframeNode).then(() => {
                                tasksList.shift();
                                zhyDaDa.dealTasks(tasksList).then(resolve);
                            });
                            break;

                        case "pdf":
                            tasksList.shift();
                            zhyDaDa.dealTasks(tasksList).then(resolve);
                            zhyDaDa.dealPdf(iframeNode).then(() => {
                                tasksList.shift();
                                zhyDaDa.dealTasks(tasksList).then(resolve);
                            });
                            break;

                        case "ppt":
                            tasksList.shift();
                            zhyDaDa.dealTasks(tasksList).then(resolve);
                            zhyDaDa.dealPpt(iframeNode).then(() => {
                                tasksList.shift();
                                zhyDaDa.dealTasks(tasksList).then(resolve);
                            });
                            break;

                        default:
                            reject("No such catagory");
                            break;
                    }
                }

            })
        }
        //#region div: Video
    zhyDaDa.dealVideo = (iframeNode) => {
        return new Promise((resolve, reject) => {
            let iconNode = iframeNode.parentNode;
            if (iconNode.classList.length > 1 && zhy_settings.skipGreen) resolve();
            else {
                let videoNode = iframeNode.contentWindow.document.querySelector("video");
                zhyDaDa.watchVideo(videoNode).then(resolve);
            }

        })

    }

    zhyDaDa.watchVideo = (video) => {
            return new Promise((resolve, reject) => {
                video.addEventListener('ended', onEnded); // 添加 ended 事件处理程序

                video.volume = 0;
                console.log('zhy_settings.playbackRate: ', zhy_settings.playbackRate);
                video.playbackRate = Number(zhy_settings.playbackRate);
                video.pause = () => { return true }
                video.play(); // 开始播放视频

                function onEnded() {
                    video.removeEventListener('ended', onEnded); // 删除 ended 事件处理程序
                    resolve(); // 视频播放完成，设置 Promise 状态为 fulfilled
                }
            });
        }
        //#endregion 

    //#region div: Pdf
    zhyDaDa.dealPdf = (iframeNode) => {
            return new Promise((resolve, reject) => {
                let iconNode = iframeNode.parentNode;
                if (iconNode.classList.length > 1 && zhy_settings.skipGreen) resolve();
                else {
                    let btn = iframeNode.contentWindow.document.querySelector(".mkeRbtn");
                    let num = iframeNode.contentWindow.document.querySelector(".all").innerText;
                    num = Number(num);
                    for (let i = 0; i < num + 2; i++) {
                        btn.click();
                    }
                }

            })

        }
        //#endregion

    //#region div: Ppt
    zhyDaDa.dealPpt = (iframeNode) => {
            return new Promise((resolve, reject) => {
                let iconNode = iframeNode.parentNode;
                if (iconNode.classList.length > 1 && zhy_settings.skipGreen) resolve();
                else {
                    let btn = iframeNode.contentWindow.document.querySelector(".nextBtn");
                    let num = iframeNode.contentWindow.document.querySelector(".all").innerText;
                    num = Number(num);
                    for (let i = 0; i < num + 2; i++) {
                        btn.click();
                    }
                }

            })

        }
        //#endregion

    zhyDaDa.main = () => {
            let classifiedTasksList = zhyDaDa.classifyTasks(zhyDaDa.getIframes());
            console.log(classifiedTasksList);
            zhyDaDa.dealTasks(classifiedTasksList).then(() => { window.setTimeout(zhyDaDa.findPray, 3000); });

        }
        // 插入控制面板浮窗
    zhyDaDa.insertPanel = () => {
        let _style = `
        <style>
            #zhy_settings_panel {
            position: fixed;
            top: 50px;
            left: 50px;
            background-color: #fff;
            border: 1px solid #ccc;
            border-radius: 5px;
            padding: 10px;
            font-size: 12px;
            z-index: 99999;
            }

            #zhy_settings_panel h3 {
                margin-top: 0;
                margin-bottom: 10px;
            }
            #drag-handle {
                width: 100%;
                height: 18px;
                cursor: move;
                background: grey;
                border-radius: 10px;
                margin-bottom: 10px;
            }

            #zhy_settings_panel .zhy_settings_item {
            margin-bottom: 10px;
            }

            #zhy_settings_panel label {
            display: inline-block;
            width: 120px;
            }

            #playbackRateContainer {
            display: grid;
            }

            #playbackRateContainer input[type="radio"] {
            display: none;
            }

            #playbackRateContainer label {
            flex: 1;
            text-align: center;
            padding: 5px 10px;
            border: 1px solid #ccc;
            border-radius: 5px;
            cursor: pointer;
            }

            #playbackRateContainer input[type="radio"]:checked + label {
            background-color: #ccc;
            }

        </style>
        `;
        let _html = `
        <div id="zhy_settings_panel">
        <div id="drag-handle"></div>
        <h3>Settings</h3>
        <div class="zhy_settings_item">
            <label for="skipGreenToggle">Skip Green:</label>
            <input type="checkbox" id="skipGreenToggle" checked>
        </div>
        <div class="zhy_settings_item">
            <label for="startWork">启动刷课:</label>
            <button id="startWork">启动</button>
        </div>
        <div class="zhy_settings_item">
            <label>Playback Rate:</label>
            <div id="playbackRateContainer">
            <input type="radio" id="rate1" name="playbackRate" value="1" checked>
            <label for="rate1">1</label>

            <input type="radio" id="rate1.25" name="playbackRate" value="1.25">
            <label for="rate1.25">1.25</label>

            <input type="radio" id="rate1.5" name="playbackRate" value="1.5">
            <label for="rate1.5">1.5</label>

            <input type="radio" id="rate2" name="playbackRate" value="2">
            <label for="rate2">2</label>
            </div>
        </div>
        </div>
        `;

        document.documentElement.insertAdjacentHTML('beforeend', _style + _html);


        // 获取设置面板元素
        var panel = document.getElementById("zhy_settings_panel");

        // 获取浮窗标题栏元素
        let panelHeader = document.getElementById("drag-handle");

        // 定义变量记录鼠标按下时的坐标和面板的初始位置
        let startX, startY, panelX, panelY;

        // 给标题栏添加鼠标按下事件监听器
        panelHeader.addEventListener("mousedown", function(e) {
            // 记录鼠标按下时的坐标和面板的初始位置
            startX = e.clientX;
            startY = e.clientY;
            panelX = panel.offsetLeft;
            panelY = panel.offsetTop;

            // 给 document 添加鼠标移动和松开事件监听器
            document.addEventListener("mousemove", movePanel);
            document.addEventListener("mouseup", stopPanel);
        });

        // 移动浮窗的函数
        function movePanel(e) {
            // 计算鼠标移动的距离
            var deltaX = e.clientX - startX;
            var deltaY = e.clientY - startY;

            // 更新面板的位置
            panel.style.left = panelX + deltaX + "px";
            panel.style.top = panelY + deltaY + "px";
        }

        // 停止移动浮窗的函数
        function stopPanel() {
            // 移除鼠标移动和松开事件监听器
            document.removeEventListener("mousemove", movePanel);
            document.removeEventListener("mouseup", stopPanel);
        }


        // 获取设置面板中的元素
        let skipGreenToggle = document.getElementById("skipGreenToggle");
        let startWork = document.getElementById("startWork");
        let playbackRateRadios = document.getElementsByName("playbackRate");

        // 定义回调函数
        function settingsChanged(ratio) {
            zhy_settings.skipGreen = document.getElementById("skipGreenToggle").checked ? 1 : 0;
            zhy_settings.playbackRate = ratio || zhy_settings.playbackRate;
            window.localStorage.setItem('zhy_settings', JSON.stringify({ skipGreen: zhy_settings.skipGreen, playbackRate: zhy_settings.playbackRate }));
        }

        // 给skipGreenToggle添加change事件监听器，当状态发生改变时调用回调函数
        skipGreenToggle.addEventListener("change", () => { settingsChanged(); });

        // 给startWork添加click事件监听器，当点击时调用回调函数
        startWork.addEventListener("click", () => { zhyDaDa.main(); });

        // 给playbackRateRadios中的每个单选按钮添加click事件监听器，当点击时调用回调函数
        playbackRateRadios.forEach(function(radio) {
            radio.addEventListener("click", (event) => { settingsChanged(event.target.value); });
        });
    }

    // $("#mainid", zhyDaDa.getBaseDocument()).get()[0].onchange = () => { zhyDaDa.main() };
    zhyDaDa.insertPanel();
    window.setTimeout(() => { zhyDaDa.main() }, 5000);
})();