// ==UserScript==
// @name         湖师大公需课-自动播放
// @namespace    http://tampermonkey.net/local/hunnu-auto
// @version      0.0.1
// @description  湖师大公需课-自动播放 v0.0.1 母版：雾蓝玻璃风 + v3.6.4 按钮切换逻辑
// @author       天才co
// @match        https://zjjxjy.hunnu.edu.cn/*
// @match        https://jyjd.hunnu.edu.cn/*
// @run-at       document-start
// @grant        none
// @license MIT
// ==/UserScript==

(function () {
    'use strict';
    const TAG = '[湖师大公需课-自动播放]';
    const AUTHOR = '天才co';
    const log = (...a) => console.log(TAG, ...a);

    // ============ 0. 状态存储（按 trainPlanCourseId 隔离） ============
    function getStateKey() {
        const t = location.search.match(/[?&]trainPlanCourseId=([^&]+)/);
        if (t) return 'hnav_state_v001_' + t[1];
        const c = location.search.match(/[?&]courseId=([^&]+)/);
        if (c) return 'hnav_state_v001_' + c[1];
        return 'hnav_state_v001_default';
    }
    const LS_KEY = getStateKey();

    const state = {
        userStopped: true,
        muted: false,
        autoNext: false,
        rate: 1,
        endedHandled: false,
        panelPos: null,
    };

    function saveState() {
        try {
            localStorage.setItem(LS_KEY, JSON.stringify({
                userStopped: state.userStopped,
                muted: state.muted,
                autoNext: state.autoNext,
                rate: state.rate,
                panelPos: state.panelPos,
            }));
        } catch (e) {}
    }
    function loadState() {
        try {
            const s = JSON.parse(localStorage.getItem(LS_KEY) || '{}');
            if (typeof s.userStopped === 'boolean') state.userStopped = s.userStopped;
            if (typeof s.muted === 'boolean') state.muted = s.muted;
            if (typeof s.autoNext === 'boolean') state.autoNext = s.autoNext;
            if (typeof s.rate === 'number' && s.rate > 0) state.rate = s.rate;
            if (s.panelPos && typeof s.panelPos.left === 'number') state.panelPos = s.panelPos;
            log('已恢复状态 [' + LS_KEY + ']:', JSON.stringify({
                muted: state.muted, autoNext: state.autoNext, rate: state.rate, userStopped: state.userStopped
            }));
        } catch (e) {}
    }
    loadState();

    // ============ 1. 定时器注册表 ============
    const timers = new Set();
    function regTimer(id) { timers.add(id); return id; }
    function unregTimer(id) { if (timers.has(id)) { clearInterval(id); clearTimeout(id); timers.delete(id); } }
    function clearAllTimers() {
        let count = 0;
        timers.forEach(id => { try { clearInterval(id); clearTimeout(id); count++; } catch(e){} });
        timers.clear();
        return count;
    }

    // ============ 2. 加固版 forceMute ============
    const origPlay = HTMLVideoElement.prototype.play;
    function forceMute(v) {
        if (!v) return;
        try {
            if (state.muted) {
                v.muted = true;
                v.volume = 0;
            } else {
                if (v.volume === 0 && v.muted) {
                    v.muted = false;
                    v.volume = 1;
                }
            }
            if (v.playbackRate !== state.rate) v.playbackRate = state.rate;
        } catch (e) {}
        try {
            if (window.player && typeof window.player.setMute === 'function') {
                window.player.setMute(state.muted);
            }
        } catch (e) {}
    }
    HTMLVideoElement.prototype.play = function () {
        forceMute(this);
        return origPlay.apply(this, arguments).catch(e => {
            console.debug(TAG, 'autoplay blocked:', e && e.name);
        });
    };

    // ============ 3. 工具 ============
    const sleep = ms => new Promise(r => setTimeout(r, ms));
    function fmt(t) {
        if (!isFinite(t) || t < 0) return '00:00';
        const m = Math.floor(t / 60), s = Math.floor(t % 60);
        return String(m).padStart(2, '0') + ':' + String(s).padStart(2, '0');
    }
    function closeDialogs() {
        document.querySelectorAll('.jbox-button').forEach(btn => {
            const text = (btn.innerText || '').trim();
            if (/确定|确认|继续|知道了|我知道了|保存/.test(text) && !/取消|关闭/.test(text)) {
                btn.click();
            }
        });
        document.querySelectorAll('.el-message-box__wrapper').forEach(box => {
            if (box.offsetParent === null) return;
            const btn = box.querySelector('.el-button--primary');
            if (btn) btn.click();
        });
    }

    // ============ 4. 播放控制 ============
    async function ensurePlaying(video) {
        if (!video || state.userStopped) return;
        forceMute(video);
        if (video.paused) {
            try { await video.play(); } catch (e) {
                const btn = document.querySelector('.jw-icon-playback');
                if (btn) btn.click();
            }
        }
    }

    // ============ 5. 判断与查找 ============
    function isLessonDone(el) {
        return !!(el && el.classList && el.classList.contains('playlist__lesson--done'));
    }
    function getAllLessons() {
        return Array.from(document.querySelectorAll('.playlist__lesson'));
    }
    function getActiveLesson() {
        return document.querySelector('.playlist__lesson--active');
    }
    function getFirstUnfinished() {
        return getAllLessons().find(el => !isLessonDone(el)) || null;
    }

    // ============ 6. 跳转 ============
    async function gotoNextUnfinished() {
        if (state.endedHandled) return;
        state.endedHandled = true;

        const next = getFirstUnfinished();
        if (!next) { log('✅ 所有小节都已完成'); return; }
        const nextHref = next.getAttribute('href');
        if (!nextHref) return;

        const currentUrl = location.pathname + location.search;
        if (nextHref === currentUrl) {
            log('当前就是第一个未完成，继续播放');
            state.endedHandled = false;
            return;
        }

        const title = next.querySelector('.playlist__name');
        log('跳到第一个未完成:', title ? title.getAttribute('title') : nextHref);
        await sleep(1200);
        closeDialogs();

        const alreadyTimeEl = document.getElementById('alreadyTime');
        if (!alreadyTimeEl) {
            console.warn(TAG, '⚠️ 未找到 #alreadyTime，固定等待3秒跳转');
            const t = setTimeout(() => { window.location.href = nextHref; }, 3000);
            regTimer(t);
            return;
        }
        const oldTime = alreadyTimeEl.value;
        let waitCount = 0;
        const doJump = () => {
            const newTime = alreadyTimeEl.value;
            if (newTime !== oldTime || waitCount > 5) {
                log('进度已确认，执行跳转');
                window.location.href = nextHref;
            } else {
                waitCount++;
                const t = setTimeout(doJump, 1000);
                regTimer(t);
            }
        };
        const t = setTimeout(doJump, 1000);
        regTimer(t);
    }

    // ============ 7. 视频绑定 ============
    function bindVideo(video) {
        if (!video || video.__hnav_bound) return;
        video.__hnav_bound = true;
        state.endedHandled = false;
        forceMute(video);

        video.addEventListener('ended', () => {
            log('视频结束（第一重）');
            if (state.autoNext) gotoNextUnfinished();
        });

        const endedCheckId = setInterval(() => {
            if (!document.body.contains(video) || state.endedHandled) {
                unregTimer(endedCheckId);
                return;
            }
            if (video.duration && video.currentTime >= video.duration - 1.5) {
                log('时间兜底判定结束（第二重）');
                unregTimer(endedCheckId);
                if (state.autoNext) gotoNextUnfinished();
            }
        }, 3000);
        regTimer(endedCheckId);

        video.addEventListener('ratechange', () => {
            if (video.playbackRate !== state.rate && !state.userStopped) {
                video.playbackRate = state.rate;
            }
        });

        video.addEventListener('volumechange', () => {
            if (state.muted && !video.muted) {
                video.muted = true;
                video.volume = 0;
                try {
                    if (window.player && typeof window.player.setMute === 'function') {
                        window.player.setMute(true);
                    }
                } catch(e){}
            }
        });

        log('已绑定新视频, 时长:', fmt(video.duration));
        if (!state.userStopped) ensurePlaying(video);
    }

    // ============ 8. player.onComplete 链式调用 ============
    let playerMonitorTimer = null;
    function bindPlayerComplete() {
        if (!window.player || typeof window.player.onComplete !== 'function') {
            const t = setTimeout(bindPlayerComplete, 2000);
            regTimer(t);
            return;
        }
        if (!window.player.__hnav_origOnComplete) {
            window.player.__hnav_origOnComplete = window.player.onComplete;
        }
        const origOnComplete = window.player.__hnav_origOnComplete;
        const ourHandler = function(event) {
            if (origOnComplete) {
                try { origOnComplete.call(window.player, event); } catch(e) {}
            }
            log('player.onComplete（第三重）');
            if (state.autoNext && !state.endedHandled) {
                gotoNextUnfinished();
            }
        };
        window.player.onComplete = ourHandler;
        if (playerMonitorTimer) unregTimer(playerMonitorTimer);
        playerMonitorTimer = setInterval(() => {
            if (window.player && window.player.onComplete !== ourHandler) {
                log('onComplete 被覆盖，重新挂载');
                window.player.onComplete = ourHandler;
            }
        }, 2500);
        regTimer(playerMonitorTimer);
    }

    // ============ 9. 观察与守护 ============
    let mo = null;
    function observeVideos() {
        document.querySelectorAll('video').forEach(bindVideo);
        mo = new MutationObserver(muts => {
            muts.forEach(m => m.addedNodes.forEach(n => {
                if (n.nodeType !== 1) return;
                if (n.tagName === 'VIDEO') { bindVideo(n); return; }
                if (n.querySelectorAll) n.querySelectorAll('video').forEach(bindVideo);
            }));
        });
        mo.observe(document.documentElement, { childList: true, subtree: true });
    }

    let guardTimer = null;
    function startGuard() {
        if (guardTimer) unregTimer(guardTimer);
        guardTimer = setInterval(() => {
            if (state.userStopped) return;
            closeDialogs();
            const v = document.querySelector('video');
            if (v && v.paused && v.currentTime > 0 && !state.endedHandled) {
                ensurePlaying(v);
            }
            if (v && state.muted && (!v.muted || v.volume > 0)) {
                v.muted = true;
                v.volume = 0;
            }
        }, 2500);
        regTimer(guardTimer);
    }

    function stopAll() {
        const count = clearAllTimers();
        if (mo) {
            try { mo.disconnect(); } catch(e){}
            log('MutationObserver 已断开');
        }
        guardTimer = null;
        playerMonitorTimer = null;
        log(`已清理 ${count} 个定时器`);
    }

    // ============ 10. 启动流程 ============
    async function startAutoPlay() {
        state.userStopped = false;
        state.endedHandled = false;
        saveState();

        if (state.autoNext) {
            const active = getActiveLesson();
            if (active && isLessonDone(active)) {
                log('🚀 当前视频已完成，跳到第一个未完成');
                await gotoNextUnfinished();
                return;
            }
        }
        log('开始播放当前小节');
        bindPlayerComplete();
        startGuard();
        document.querySelectorAll('video').forEach(ensurePlaying);
    }

    // ============ 11. 控制面板：雾蓝玻璃风 + 深蓝标题 + 文字加深 ============
    function buildPanel() {
        if (document.getElementById('hnav-panel')) return;
        const style = document.createElement('style');
        style.textContent = `
        /* ============================================
           湖师大公需课-自动播放 v0.0.1
           骨架：v3.6.4  /  视觉：雾蓝玻璃（文字加深）
           ============================================ */
        #hnav-panel {
            position: fixed; z-index: 2147483647;
            width: 268px;
            background: rgba(252, 253, 255, 0.94);
            backdrop-filter: blur(20px) saturate(1.6);
            -webkit-backdrop-filter: blur(20px) saturate(1.6);
            color: #2c4868;
            border-radius: 16px;
            font: 13px/1.5 "Microsoft YaHei", "PingFang SC", sans-serif;
            box-shadow:
                0 0 0 1px rgba(255, 255, 255, 0.85),
                0 8px 32px rgba(58, 90, 128, 0.22),
                0 2px 8px rgba(58, 90, 128, 0.10);
            overflow: hidden;
        }
        /* ===== 标题栏：中深蓝渐变 ===== */
        #hnav-panel .hd {
            display: flex; justify-content: space-between; align-items: center;
            padding: 11px 16px;
            background: linear-gradient(120deg, #4a8ac0 0%, #5b6ec0 100%);
            color: #ffffff;
            cursor: move;
            font-weight: 600;
            font-size: 13.5px;
            letter-spacing: 0.4px;
            text-shadow: 0 1px 2px rgba(20, 40, 70, 0.35);
        }
        #hnav-panel .bd { padding: 14px 16px 12px; }
        #hnav-panel .row {
            margin: 9px 0;
            display: flex; justify-content: space-between; align-items: center;
            gap: 8px;
        }
        /* 行标题：加深至 #2c4868 */
        #hnav-panel .row > span:first-child {
            font-size: 12.5px;
            color: #2c4868;
            font-weight: 600;
        }
        /* 状态/进度文字：加深至 #2c4868 */
        #hnav-panel .stat {
            font-size: 12px;
            color: #2c4868;
            text-align: right;
            font-weight: 600;
            letter-spacing: 0.2px;
        }
        /* ===== 按钮 ===== */
        #hnav-panel button {
            background: #ffffff;
            color: #2c4868;
            border: 1px solid #cddcec;
            border-radius: 8px;
            padding: 5px 12px;
            cursor: pointer;
            font-size: 12px;
            font-family: inherit;
            font-weight: 500;
            transition: all 0.22s ease;
        }
        #hnav-panel button:hover {
            background: #eef6fd;
            border-color: #8bc0e0;
            color: #1a3a60;
            transform: translateY(-1px);
        }
        #hnav-panel button:active { transform: translateY(0); }
        #hnav-panel button.on {
            background: linear-gradient(135deg, #4a95d8 0%, #6b95e8 100%);
            color: #ffffff;
            border-color: transparent;
            box-shadow: 0 3px 10px rgba(74, 149, 216, 0.4);
        }
        /* ===== 开关 ===== */
        #hnav-panel .switch {
            width: 38px; height: 21px;
            background: #cddbe8;
            border-radius: 11px;
            cursor: pointer;
            position: relative;
            flex: none;
            transition: all 0.25s ease;
            box-shadow: inset 0 1px 3px rgba(58, 90, 128, 0.15);
        }
        #hnav-panel .switch::after {
            content: '';
            position: absolute;
            top: 2px; left: 2px;
            width: 17px; height: 17px;
            background: #ffffff;
            border-radius: 50%;
            transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 1px 3px rgba(40, 70, 110, 0.28);
        }
        #hnav-panel .switch.on {
            background: linear-gradient(135deg, #4a95d8, #6b95e8);
            box-shadow:
                inset 0 1px 3px rgba(40, 70, 110, 0.15),
                0 0 10px rgba(74, 149, 216, 0.5);
        }
        #hnav-panel .switch.on::after {
            left: 19px;
            box-shadow: 0 1px 4px rgba(40, 70, 110, 0.3);
        }
        /* ===== 总开关 ===== */
        #hnav-panel .switch.master {
            width: 50px; height: 27px;
            border-radius: 14px;
        }
        #hnav-panel .switch.master::after {
            width: 23px; height: 23px;
            top: 2px; left: 2px;
        }
        #hnav-panel .switch.master.on {
            background: linear-gradient(135deg, #4a95d8, #7b8ce8);
            box-shadow:
                inset 0 1px 3px rgba(40, 70, 110, 0.15),
                0 0 14px rgba(74, 149, 216, 0.6),
                0 0 24px rgba(123, 140, 232, 0.4);
        }
        #hnav-panel .switch.master.on::after { left: 25px; }
        /* ===== 分隔线 ===== */
        #hnav-panel .divider {
            border-top: 1px dashed #c8d6e5;
            margin: 12px 0 8px;
        }
        #hnav-panel .toggle {
            cursor: pointer;
            padding: 0 6px;
            font-weight: bold;
        }
        `;
        document.head.appendChild(style);

        const panel = document.createElement('div');
        panel.id = 'hnav-panel';
        panel.innerHTML = `
            <div class="hd"><span>湖师大公需课-自动播放 v0.0.1</span><span class="toggle">—</span></div>
            <div class="bd">
                <div class="row"><span>状态</span><span class="stat" id="hnav-status">待机</span></div>
                <div class="row"><span>进度</span><span class="stat" id="hnav-prog">--:--</span></div>
                <div class="row"><span>当前节</span><span class="stat" id="hnav-cur" style="max-width:130px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;">—</span></div>
                <div class="row"><span>未完成</span><span class="stat" id="hnav-remain">—</span></div>
                <div class="row"><span>倍速</span>
                    <span><button data-r="1">1x</button><button data-r="1.5">1.5x</button><button data-r="2">2x</button><button data-r="3">3x</button></span>
                </div>
                <div class="row"><span>静音开关</span><span class="switch" id="hnav-mute"></span></div>
                <div class="row"><span>自动切集</span><span class="switch" id="hnav-auto"></span></div>
                <div class="divider"></div>
                <div class="row"><span>一键自动静音播放</span><span class="switch master" id="hnav-allinone" title="打开=静音+自动切集，关闭=两者都关"></span></div>
                <div class="row"><button id="hnav-start">开始</button><button id="hnav-stop">停止</button></div>
            </div>`;
        document.body.appendChild(panel);

        // 恢复 UI
        const muteSw = panel.querySelector('#hnav-mute');
        const autoSw = panel.querySelector('#hnav-auto');
        const allInOneSw = panel.querySelector('#hnav-allinone');
        const startBtn = panel.querySelector('#hnav-start');
        const stopBtn = panel.querySelector('#hnav-stop');

        if (state.muted) muteSw.classList.add('on');
        if (state.autoNext) autoSw.classList.add('on');
        if (state.muted && state.autoNext) allInOneSw.classList.add('on');

        panel.querySelectorAll('button[data-r]').forEach(btn => {
            if (parseFloat(btn.dataset.r) === state.rate) btn.classList.add('on');
        });
        if (!state.userStopped) startBtn.classList.add('on');
        else stopBtn.classList.add('on');

        if (state.panelPos) {
            panel.style.left = state.panelPos.left + 'px';
            panel.style.top = state.panelPos.top + 'px';
        } else {
            panel.style.right = '16px';
            panel.style.bottom = '16px';
        }

        panel.querySelector('.toggle').onclick = (e) => {
            const bd = panel.querySelector('.bd');
            bd.style.display = bd.style.display === 'none' ? 'block' : 'none';
            e.target.textContent = bd.style.display === 'none' ? '+' : '—';
        };

        // 拖拽
        let dragging = false, sx, sy, ox, oy;
        const hd = panel.querySelector('.hd');
        hd.addEventListener('mousedown', e => {
            dragging = true; sx = e.clientX; sy = e.clientY;
            const r = panel.getBoundingClientRect(); ox = r.left; oy = r.top;
            panel.style.left = ox + 'px';
            panel.style.top = oy + 'px';
            panel.style.right = 'auto';
            panel.style.bottom = 'auto';
            e.preventDefault();
        });
        document.addEventListener('mousemove', e => {
            if (!dragging) return;
            let newLeft = ox + e.clientX - sx;
            let newTop = oy + e.clientY - sy;
            const w = panel.offsetWidth, h = panel.offsetHeight;
            const maxLeft = window.innerWidth - w;
            const maxTop = window.innerHeight - h;
            newLeft = Math.max(0, Math.min(newLeft, maxLeft));
            newTop = Math.max(0, Math.min(newTop, maxTop));
            panel.style.left = newLeft + 'px';
            panel.style.top = newTop + 'px';
        });
        document.addEventListener('mouseup', () => {
            if (!dragging) return;
            dragging = false;
            const r = panel.getBoundingClientRect();
            state.panelPos = { left: r.left, top: r.top };
            saveState();
        });

        // 倍速
        panel.querySelectorAll('button[data-r]').forEach(btn => {
            btn.onclick = () => {
                state.rate = parseFloat(btn.dataset.r);
                saveState();
                const v = document.querySelector('video');
                if (v) v.playbackRate = state.rate;
                panel.querySelectorAll('button[data-r]').forEach(b => b.classList.remove('on'));
                btn.classList.add('on');
            };
        });

        function syncAllInOneUI() {
            allInOneSw.classList.toggle('on', state.muted && state.autoNext);
        }

        // ===== 独立开关 1：静音 =====
        muteSw.onclick = () => {
            state.muted = !state.muted;
            saveState();
            muteSw.classList.toggle('on', state.muted);
            document.querySelectorAll('video').forEach(v => {
                if (state.muted) { v.muted = true; v.volume = 0; }
                else { v.muted = false; v.volume = 1; }
            });
            try {
                if (window.player && typeof window.player.setMute === 'function') {
                    window.player.setMute(state.muted);
                }
            } catch(e){}
            syncAllInOneUI();
            log('静音开关:', state.muted ? '开' : '关');
        };

        // ===== 独立开关 2：自动切集 =====
        autoSw.onclick = async () => {
            state.autoNext = !state.autoNext;
            saveState();
            autoSw.classList.toggle('on', state.autoNext);
            syncAllInOneUI();
            log('自动切集:', state.autoNext ? '开' : '关');

            if (state.autoNext && !state.userStopped) {
                const active = getActiveLesson();
                if (active && isLessonDone(active)) {
                    log('当前视频已完成，立即跳到第一个未完成');
                    state.endedHandled = false;
                    await gotoNextUnfinished();
                }
            }
        };

        // ===== 总开关：一键自动静音播放 =====
        allInOneSw.onclick = async () => {
            const turnOn = !(state.muted && state.autoNext);
            state.muted = turnOn;
            state.autoNext = turnOn;
            saveState();
            muteSw.classList.toggle('on', state.muted);
            autoSw.classList.toggle('on', state.autoNext);
            allInOneSw.classList.toggle('on', turnOn);

            if (turnOn) {
                log('🚀 一键自动静音播放：开启（静音 ON + 自动切集 ON）');
                document.querySelectorAll('video').forEach(v => {
                    v.muted = true;
                    v.volume = 0;
                });
                try {
                    if (window.player && typeof window.player.setMute === 'function') {
                        window.player.setMute(true);
                    }
                } catch(e){}

                if (!state.userStopped) {
                    const active = getActiveLesson();
                    if (active && isLessonDone(active)) {
                        log('当前视频已完成，立即跳到第一个未完成');
                        state.endedHandled = false;
                        await gotoNextUnfinished();
                    }
                }
            } else {
                log('一键自动静音播放：关闭（静音 OFF + 自动切集 OFF）');
                document.querySelectorAll('video').forEach(v => {
                    v.muted = false;
                    v.volume = 1;
                });
                try {
                    if (window.player && typeof window.player.setMute === 'function') {
                        window.player.setMute(false);
                    }
                } catch(e){}
            }
        };

        // ===== 开始 / 停止（v3.6.4 逻辑：简单 on / off） =====
        startBtn.onclick = () => {
            startBtn.classList.add('on');
            stopBtn.classList.remove('on');
            startAutoPlay();
        };
        stopBtn.onclick = () => {
            state.userStopped = true;
            saveState();
            stopBtn.classList.add('on');
            startBtn.classList.remove('on');
            stopAll();
            const v = document.querySelector('video');
            if (v) v.pause();
        };

        // 状态刷新
        const statusTimer = setInterval(() => {
            const v = document.querySelector('video');
            const st = panel.querySelector('#hnav-status');
            if (state.userStopped) {
                st.textContent = '已停止'; st.style.color = '#b85f75';
            } else if (v && !v.paused) {
                st.textContent = '播放中'; st.style.color = '#2a8a6e';
            } else {
                st.textContent = '待机'; st.style.color = '#2c4868';
            }
            if (v && isFinite(v.duration)) {
                panel.querySelector('#hnav-prog').textContent = fmt(v.currentTime) + ' / ' + fmt(v.duration);
            }
            const cur = document.querySelector('.playlist__lesson--active .playlist__name');
            panel.querySelector('#hnav-cur').textContent = cur ? (cur.getAttribute('title') || cur.innerText).slice(0, 22) : '—';
            const total = getAllLessons().length;
            const remain = getAllLessons().filter(el => !isLessonDone(el)).length;
            panel.querySelector('#hnav-remain').textContent = remain + ' / ' + total;
            syncAllInOneUI();
        }, 1000);
        regTimer(statusTimer);
    }

    // ============ 12. 启动 ============
    function boot() {
        log('boot 湖师大公需课-自动播放 v0.0.1 · 作者：' + AUTHOR + ' [' + LS_KEY + '] 恢复:', JSON.stringify({
            muted: state.muted, autoNext: state.autoNext, rate: state.rate, userStopped: state.userStopped
        }));
        observeVideos();
        buildPanel();

        if (!state.userStopped) {
            log('检测到上次处于运行状态，自动续跑');
            const t = setTimeout(() => startAutoPlay(), 3000);
            regTimer(t);
        }
    }
    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', boot);
    } else {
        boot();
    }
})();