// ==UserScript==
// @name   上海大学继续教育学院/上海立信会计金融学院 自动刷课，倍速，自动换课
// @namespace    一心向善
// @icon    https://js.zhanyc.cn/img/js-logo.svg
// @version      1.0
// @description  自动、倍速播放、自动下一页，其中做题/实验实践/合作/教务处理等建议QQ群1：756253160 二群：949193546联系群主！【可用于：上海大学继续教育学院继续教育管理平台|上海立信会计金融学院|上海理工大学|韩山师范学院|广州软件学院|上海出版印刷高等专科学校|广东职业技术学院|华南农业大学继续教育学院|开封大学继续教育学院|东华大学网络教育学院考试系统|广州学涯|华南农业大学|东华大学|延安大学|上海应用技术大学等】
// @author       yxx + 合作版
// @include    *://*shu.edu.cn/*
// @include    *://*ct-edu.com.cn/*
// @include    *://*o-learn.cn/*
// @include    *://*telfri-edu.com/*
// @grant       GM_getValue
// @grant       GM_setValue
// @grant       GM_addStyle
// @grant       GM_deleteValue
// @grant       GM_setClipboard
// @grant       GM_registerMenuCommand
// @grant       GM_getResourceURL
// @grant       GM_addValueChangeListener
// @grant       GM_removeValueChangeListener
// @grant       GM_getResourceText
// @grant       window.close
// @run-at      document-body
// @require https://m.zhanyc.cn/jquery-2.2.4.min.js
// @require https://m.zhanyc.cn/layerjs-gm-with-css.js
// @license GPL
// ==/UserScript==
(function () {
    let $jq = $;
    unsafeWindow.$jq = $;
    unsafeWindow.layer = layer;
    let baseConfig = {};

    // ====================== 【可自定义配置】======================
    const PLAY_SPEED = 1.0;        // 默认倍速：1
    const AUTO_NEXT_VIDEO = true;  // 自动播放下一节（默认开启）
    const AUTO_MUTE = true;        // 自动静音
    // ============================================================

    let freeTips = "增强版已解锁：倍速播放、自动换课、全自动无人值守功能";
    let docUrl = "";
    let plugMain = Object.assign(baseConfig, {
        config: { maxComment: 100, speed: PLAY_SPEED, autoNext: AUTO_NEXT_VIDEO },
        pageData: {
            userNameIndex: null, closeTipsIndex: null, confirmRunIndex: null,
            confirmRunZIndex: 19991018, waitTime: 0,
            index: { list: null }, video: { index: null }
        },
        async init() {
            console.log("%c 增强版初始化成功", "background:green;color:#fff;padding:4px");
            plugMain.addStyle();
            plugMain.createControlPanel();
            unsafeWindow.alert = function (msg) { layer.alert(msg); };
            plugMain.firstRun();
        },
        async runByUrl(url) {
            if (url.includes('/learn/outline/courseware/item/')) {
                plugMain.page_video2();
            }
            else if (url.includes("index/course/learn/courseware/video") ||
                url.includes("/index/course/learn/courseware/document") ||
                url.includes("/redirectLearnPage") ||
                url.includes("/useInterfacestuEnterCourse.action") ||
                url.includes('/learn/courseware?')) {
                plugMain.page_video();
            } else if (url.includes("/index/course/home?")) {
                plugMain.page_studentIndex();
            }
        },
        // 创建控制面板
        createControlPanel() {
            if ($("#zfk-control-panel").length > 0) return;
            let panel = `
            <div id="zfk-control-panel" style="position:fixed;bottom:20px;right:20px;width:300px;background:#fff;border-radius:8px;box-shadow:0 0 10px rgba(0,0,0,0.2);padding:12px;z-index:999999;font-size:14px;line-height:1.5;">
                <div style="font-weight:bold;font-size:16px;margin-bottom:8px;text-align:center;border-bottom:1px solid #eee;padding-bottom:6px;">🎛️ 控制面板</div>
                
                <div style="margin-bottom:6px;">
                    <label>倍速：</label>
                    <input type="range" id="speed-range" min="0.5" max="2" step="0.1" value="${PLAY_SPEED}" style="width:120px;vertical-align:middle;">
                    <span id="speed-value" style="display:inline-block;width:35px;text-align:center;">${PLAY_SPEED}x</span>
                </div>
                
                <div style="margin-bottom:10px;">
                    <label>自动下一节：</label>
                    <input type="checkbox" id="auto-next-switch" ${AUTO_NEXT_VIDEO ? 'checked' : ''}>
                </div>

                <div style="border-top:1px solid #eee;padding-top:8px;font-size:12px;color:#333;">
                    <div style="font-weight:bold;margin-bottom:4px;">基础功能：</div>
                    <div>1、播放完毕自动下一页</div>
                    <div>2、倍数可自由调节，建议最大调节到2倍即可</div>
                    <div>3、线上答题等进QQ群联系群主！</div>
                    <div style="font-weight:bold;background:#ff0;color:#000;padding:2px 4px;border-radius:3px;margin-top:3px;">
                        4、散单、批量单、合作、各类教务处理进QQ一群：756253160 二群：949193546 联系群主
                    </div>
                </div>
            </div>
            `;
            $("body").append(panel);

            // 倍速滑动
            $("#speed-range").on("input", function () {
                let val = $(this).val();
                $("#speed-value").text(val + "x");
                plugMain.config.speed = parseFloat(val);
                let v = plugMain.getVideo();
                if (v) v.playbackRate = plugMain.config.speed;
            });

            // 自动下一节开关
            $("#auto-next-switch").on("change", function () {
                plugMain.config.autoNext = $(this).is(":checked");
            });

            // 拖拽面板
            this.makeDraggable($("#zfk-control-panel")[0]);
        },
        makeDraggable(el) {
            let pos1 = 0, pos2 = 0, pos3 = 0, pos4 = 0;
            el.onmousedown = dragStart;
            function dragStart(e) {
                e.preventDefault();
                pos3 = e.clientX;
                pos4 = e.clientY;
                document.onmouseup = dragStop;
                document.onmousemove = dragMove;
            }
            function dragMove(e) {
                pos1 = pos3 - e.clientX;
                pos2 = pos4 - e.clientY;
                pos3 = e.clientX;
                pos4 = e.clientY;
                el.style.top = (el.offsetTop - pos2) + "px";
                el.style.right = "auto";
                el.style.left = (el.offsetLeft - pos1) + "px";
            }
            function dragStop() {
                document.onmouseup = null;
                document.onmousemove = null;
            }
        },
        async page_video2() {
            console.log("%c 视频页面加载", "background:blue;color:#fff");
            let timeout = 1;
            plugMain.pageData.video.index = setInterval(async () => {
                try {
                    let video = plugMain.getVideo();
                    if (!video) return;
                    if (AUTO_MUTE) video.volume = 0;
                    if (video.playbackRate != plugMain.config.speed) video.playbackRate = plugMain.config.speed;

                    let isPlaying = await plugMain.videoIsPlay();
                    let isFinish = await plugMain.isPlayFinish();
                    if (!isPlaying && !isFinish) video.play();
                    if (isFinish && plugMain.config.autoNext) plugMain.nextVideo();
                } catch (e) {}
            }, timeout * 1000);
        },
        async page_video() {
            console.log("%c 课程视频页（强悍版）", "background:green;color:#fff");
            let timeout = 1;
            plugMain.pageData.video.index = setInterval(async () => {
                try {
                    let video = plugMain.getVideo();
                    if (!video) return;

                    if (AUTO_MUTE) video.volume = 0;
                    if (video.playbackRate != plugMain.config.speed) {
                        video.playbackRate = plugMain.config.speed;
                    }

                    let continueBtn = plugMain.getElByText($(".layui-layer-btn0"), "继续播放");
                    if (continueBtn) continueBtn.click();

                    let nextBtn = plugMain.getElByText($(".layui-layer-btn0"), "学习下一课节");
                    if (nextBtn) nextBtn.click();

                    let isFinish = await plugMain.isPlayFinish();
                    let isPlaying = await plugMain.videoIsPlay();

                    if (!isPlaying && !isFinish) video.play();
                    if (isFinish && plugMain.config.autoNext) {
                        plugMain.nextVideo();
                    }
                } catch (e) {}
            }, timeout * 1000);
        },
        nextVideo() {
            try {
                let next = $(".fa-adjust,.fa-circle-o").eq(0);
                if (next.length) {
                    next.parents(".course_chapter_item:first").find(".section_title").click();
                    return;
                }
                let active = $("#menu_tarr_content>div.active");
                if (!active.is(":last-child")) {
                    active.next().click();
                }
            } catch (e) {}
        },
        async page_studentIndex() {
            await plugMain.waitOf(() =>
                plugMain.getElByText($("button"), "开始学习") != null ||
                plugMain.getElByText($("button"), "继续学习") != null
            );
            let btn = plugMain.getElByText($("button"), "开始学习") || plugMain.getElByText($("button"), "继续学习");
            if (btn) btn.click();
            plugMain.page_video();
        },
        play() {
            let v = plugMain.getVideo();
            if (v) { v.volume = 0; setTimeout(() => v.play(), 100); }
        },
        isPlayFinish() {
            try {
                let v = plugMain.getVideo();
                return v.duration > 0 && v.currentTime + 5 >= v.duration;
            } catch { return false; }
        },
        getVideo() { return $("video")[0]; },
        getCurTime() { try { return $("video")[0].currentTime } catch { return 0; } },
        getTotalTime() { try { return $("video")[0].duration } catch { return 0; } },
        async videoIsPlay() {
            return new Promise(resolve => {
                try {
                    let t1 = $("video")[0].currentTime;
                    setTimeout(() => resolve($("video")[0].currentTime > t1), 150);
                } catch { resolve(false); }
            });
        },
        firstRun() { plugMain.begin(""); },
        async begin(key) { plugMain.runByUrl(location.href); },
        addStyle() { GM_addStyle(`#zfk-control-panel{user-select:none;}`); },
        waitTimeout(t) { return new Promise(r => setTimeout(r, t)); },
        waitOf(fn, i = 500) {
            return new Promise(r => {
                if (fn()) return r();
                let timer = setInterval(() => { if (fn()) { clearInterval(timer); r(); } }, i);
            });
        },
        getElByText(q, t) {
            let res = null; $(q).each((_, el) => { if ($(el).text().trim() === t) res = $(el); });
            return res;
        }
    });

    setTimeout(() => {
        if (!unsafeWindow.zfk) plugMain.init();
    }, 1500);
    unsafeWindow.plugMain = plugMain;
})();