// ==UserScript==
// @name         宝武学习助手
// @namespace    http://tampermonkey.net/
// @version      1.3.8
// @description  1.自动静音、自动播放、自动下一节；2.自动完成学习时长；3.学习进度状态显示
// @author       jinxhcn
// @match        *://learn.baowugroup.com/*
// @icon         https://learn.baowugroup.com/favicon.png
// @grant        GM_info
// @grant        unsafeWindow
// @license      MIT
// @run-at       document-idle
// ==/UserScript==

(function () {
    'use strict';
    console.log(`✅ ${GM_info.script.name} v${GM_info.script.version}`);
    const getTime = () => {
        const d = new Date();
        return `${String(d.getHours()).padStart(2, '0')}:${String(d.getMinutes()).padStart(2, '0')}:${String(d.getSeconds()).padStart(2, '0')}`;
    };
    const sleep = ms => new Promise(r => setTimeout(r, ms));
    const isVisible = el => {
        if (!el) return false;
        try {
            return !!(el.offsetParent || el.getClientRects().length > 0);
        } catch {
            return false;
        }
    };
    const CONFIG = {
        CHECK_INTERVAL: 2000,
        DIALOG_WAIT: 1000,
        DATA_LOAD_WAIT: 3000,
        STATUS_BAR_ID: 'bw-learn-status-bar',
        STATUS_STYLES_ID: 'bw-learn-status-styles',
        MAX_LOG_LINES: 500,
        PROGRESS_FETCH_INTERVAL: 180000
    };
    const S = {
        hasClickedNext: false,
        lastVideoSrc: '',
        waitingFirstPlay: false,
        timer: null,
        uiFixed: false,
        courseCompleted: false,
        completionChecked: false,
        playPending: false,
        unlockTimer: null,
        isFetchingProgress: false,
        statusBar: null,
        logContainer: null,
        videoExists: false,
        isCollapsed: false,
        progressEnabled: true,
        progressTimer: null,
        checkIntervalId: null
    };
    const findVisibleButton = (...texts) => {
        const btns = document.querySelectorAll('button');
        for (const btn of btns) {
            if (isVisible(btn) && texts.some(t => btn.innerText.trim().includes(t)))
                return btn;
        }
        return null;
    };
    const clickButtonByText = (...texts) => {
        const btn = findVisibleButton(...texts);
        if (btn) { btn.click(); return true; }
        return false;
    };
    const waitForDialog = async (title, timeout = 2000) => {
        const start = Date.now();
        while (Date.now() - start < timeout) {
            const dialogs = document.querySelectorAll('.el-dialog,[role="dialog"]');
            for (const d of dialogs) {
                const h = d.querySelector('.el-dialog__header .text');
                const label = d.getAttribute('aria-label');
                if ((h && h.textContent.trim() === title) || label === title) return d;
            }
            await sleep(200);
        }
        return null;
    };
    const clearUnlock = () => {
        if (S.unlockTimer) { clearTimeout(S.unlockTimer); S.unlockTimer = null; }
    };
    const getVideo = () => document.querySelector('#xg-video video');
    const ensureMuted = v => {
        if (v && !v.muted) { v.muted = true; console.log('🔇 已静音'); }
    };
    const hasNextSection = () => {
        const cur = document.querySelector('.el-tree-node.is-current');
        if (!cur) return false;
        let node = cur;
        while (node) {
            let next = node.nextElementSibling;
            while (next) {
                if (next.classList.contains('el-tree-node')) return true;
                next = next.nextElementSibling;
            }
            node = node.parentElement?.closest?.('.el-tree-node');
        }
        return false;
    };
    const clickNextSection = () => {
        if (clickButtonByText('播放下一节', '下一节')) {
            console.log('✅ 已点击"下一节"');
            return true;
        }
        const hints = document.querySelectorAll('*');
        for (const el of hints) {
            if (isVisible(el) && el.innerText?.trim() === '本节播放结束, 是否继续播放？') {
                const container = el.closest('.play-chapter') || el.parentElement;
                const btn = container?.querySelector('button');
                if (btn && isVisible(btn)) {
                    btn.click();
                    console.log('✅ 已点击"下一节"（通过结束提示）');
                    return true;
                }
                break;
            }
        }
        const primaryBtns = document.querySelectorAll('.el-button--primary');
        for (const btn of primaryBtns) {
            if (isVisible(btn) && btn.innerText.includes('下一节')) {
                btn.click();
                console.log('✅ 已点击"下一节"(Primary 按钮)');
                return true;
            }
        }
        const cur = document.querySelector('.el-tree-node.is-current');
        if (cur) {
            const nextSibling = cur.nextElementSibling;
            if (nextSibling && nextSibling.classList.contains('el-tree-node')) {
                const label = nextSibling.querySelector('.el-tree-node__label, .course-name');
                if (label) {
                    label.click();
                    console.log('✅ 已点击下一节（通过课程目录树）');
                    return true;
                }
            }
        }
        console.warn('⚠️ 未找到"下一节"按钮');
        return false;
    };
    const clickReplayButton = () => {
        const containers = document.querySelectorAll('.play-chapter');
        for (const c of containers) {
            if (isVisible(c)) {
                const btn = c.querySelector('button');
                if (btn && isVisible(btn) && btn.innerText.includes('重新播放')) {
                    btn.click();
                    console.log('🔄 已点击"重新播放"按钮（时长未达标）');
                    return true;
                }
            }
        }
        if (clickButtonByText('重新播放')) {
            console.log('🔄 已点击"重新播放"按钮（备用查找）');
            return true;
        }
        console.warn('⚠️ 未找到"重新播放"按钮');
        return false;
    };
    const playCurrentVideo = (video) => {
        if (!video || video.ended || !video.paused) return false;
        ensureMuted(video);
        const strategies = [
            { sel: '.xgplayer-start', name: '中央播放按钮' },
            { sel: '.xgplayer-play .xgplayer-icon', name: '控制栏播放图标' },
            { sel: '#xg-video, .xgplayer', name: '视频画面区域' },
        ];
        for (const { sel, name } of strategies) {
            const el = document.querySelector(sel);
            if (el?.offsetParent) { el.click(); console.log(`▶️ 点击${name}`); return true; }
        }
        video.play().catch(() => { });
        console.log('▶️ 调用原生 video.play()');
        return true;
    };
    const resetPlayState = () => {
        clearTimeout(S.timer);
        clearUnlock();
        S.playPending = false;
        S.hasClickedNext = false;
        S.waitingFirstPlay = true;
        S.uiFixed = false;
        S.timer = setTimeout(() => {
            S.waitingFirstPlay = false;
            if (!document.hidden) {
                const v = getVideo();
                if (v && !S.playPending) {
                    ensureMuted(v);
                    S.playPending = true;
                    playCurrentVideo(v);
                    S.unlockTimer = setTimeout(() => { S.playPending = false; S.unlockTimer = null; }, 1500);
                }
            }
        }, 300);
    };
    const extractProgressFromDialog = (dialog) => {
        const rows = dialog.querySelectorAll('tr.vxe-body--row');
        let total = 0, learned = 0, passScore = 0, courseScore = 0;
        for (const row of rows) {
            const cells = row.querySelectorAll('td.vxe-body--column');
            if (cells.length < 3) continue;
            const t1 = cells[0].textContent.trim();
            if (t1.includes('学习时长')) {
                let m = t1.match(/[（(]\s*(\d+\.?\d*)\s*分钟[）)]/) || t1.match(/(\d+\.?\d*)\s*分钟/);
                if (m) total = parseFloat(m[1]);
                const t3 = cells[2].textContent.trim().match(/(\d+\.?\d*)\s*分钟/);
                if (t3) learned = parseFloat(t3[1]);
                break;
            }
        }
        const scoreItems = dialog.querySelectorAll('.score-info .score-item');
        for (const item of scoreItems) {
            const label = item.querySelector('.label');
            const value = item.querySelector('.value');
            if (label && value && label.textContent.trim().includes('合格分数线')) {
                const m = value.textContent.trim().match(/(\d+\.?\d*)/);
                if (m) passScore = parseFloat(m[1]);
                break;
            }
        }
        const statItems = dialog.querySelectorAll('.table-footer .stat-item');
        for (const item of statItems) {
            const label = item.querySelector('.label');
            const value = item.querySelector('.value');
            if (label && value && label.textContent.trim().includes('课程成绩')) {
                const m = value.textContent.trim().match(/(\d+\.?\d*)/);
                if (m) courseScore = parseFloat(m[1]);
                break;
            }
        }
        return { total, learned, passScore, courseScore };
    };
    const closeProgressDialog = (dialog) => {
        const btn = dialog.querySelector('.el-dialog__headerbtn');
        if (btn) { btn.click(); return; }
        const overlay = dialog.closest('.el-overlay');
        if (overlay) {
            const mask = overlay.querySelector('.el-overlay-dialog');
            mask?.click();
        }
    };
    const fetchProgress = async (quiet = false) => {
        if (S.isFetchingProgress) return null;
        S.isFetchingProgress = true;
        try {
            const btn = findVisibleButton('完成情况');
            if (!btn) {
                if (!quiet) addStatusLog('📊 未找到"完成情况"按钮', 'warn');
                return null;
            }
            btn.click();
            console.log('📊 正在获取学习进度...');
            const dialog = await waitForDialog('完成情况', 2000);
            if (!dialog) {
                if (!quiet) addStatusLog('📊 等待进度弹窗超时', 'warn');
                return null;
            }
            await sleep(3000);
            let data = extractProgressFromDialog(dialog);
            if (data.total === 0) {
                await sleep(2000);
                data = extractProgressFromDialog(dialog);
                if (data.total === 0) {
                    await sleep(2000);
                    data = extractProgressFromDialog(dialog);
                }
            }
            closeProgressDialog(dialog);
            if (data.total > 0) {
                updateProgressDisplay(data);
                console.log(`📊 进度：${data.learned}/${data.total}分钟`);
            }
            return data;
        } finally {
            S.isFetchingProgress = false;
        }
    };
    const checkAndReplayIfNeeded = async () => {
        if (S.isFetchingProgress) return;
        const data = await fetchProgress(true);
        if (!data || data.total === 0) { S.completionChecked = false; return; }
        if (data.learned >= data.total) {
            console.log(`✅ 学习时长已达标（${data.learned}/${data.total}），停止自动操作`);
            S.courseCompleted = true;
            onCourseCompleted();
            return;
        }
        const video = getVideo();
        if (!video) return;
        if (video.ended && !hasNextSection()) {
            console.log(`⏰ 学习时长不足（${data.learned}/${data.total}），尝试重新播放`);
            if (clickReplayButton()) {
                resetPlayState();
                S.completionChecked = false;
                S.courseCompleted = false;
            } else {
                S.completionChecked = false;
            }
        }
    };
    const injectStyles = () => {
        if (document.getElementById(CONFIG.STATUS_STYLES_ID)) return;
        const style = document.createElement('style');
        style.id = CONFIG.STATUS_STYLES_ID;
        style.textContent = `
            #${CONFIG.STATUS_BAR_ID} {
                position: fixed; bottom: 20px; right: 16px; width: 360px; max-height: 320px;
                background: rgba(20,20,30,0.92); color: #e0e0e0; border-radius: 10px;
                padding: 12px 14px; z-index: 99999; font-family: 'Microsoft YaHei','PingFang SC',Arial,sans-serif;
                font-size: 13px; box-shadow: 0 6px 28px rgba(0,0,0,0.5);
                border: 1px solid rgba(255,255,255,0.08); display: none; overflow: hidden;
                backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
                transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
            }
            #${CONFIG.STATUS_BAR_ID}.visible { display: block; }
            #${CONFIG.STATUS_BAR_ID}.collapsed {
                width: auto; min-width: 30px; height: 30px; border-radius: 15px; padding: 0;
                cursor: pointer; overflow: hidden; background: rgba(20,20,30,0.88);
                border: 1px solid rgba(79,195,247,0.3); box-shadow: 0 2px 16px rgba(79,195,247,0.15);
                display: flex !important; align-items: center; justify-content: center;
                right: 14px; bottom: 14px; backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
                transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
            }
            #${CONFIG.STATUS_BAR_ID}.collapsed:hover { border-color: rgba(79,195,247,0.6); box-shadow: 0 4px 24px rgba(79,195,247,0.25); transform: scale(1.05); }
            #${CONFIG.STATUS_BAR_ID}.collapsed .sb-header { border:none; margin:0; padding:0; width:auto; gap:0; white-space:nowrap; justify-content:center; }
            #${CONFIG.STATUS_BAR_ID}.collapsed .sb-header .sb-badge { display:none; }
            #${CONFIG.STATUS_BAR_ID}.collapsed .sb-header .sb-title { font-size:0; color:transparent; gap:0; }
            #${CONFIG.STATUS_BAR_ID}.collapsed .sb-header .sb-title .sb-video-dot { display:inline-block !important; width:8px; height:8px; margin:0; animation:bw-pulse 2s ease-in-out infinite; }
            @keyframes bw-pulse { 0%,100%{opacity:1;transform:scale(1);} 50%{opacity:0.5;transform:scale(0.85);} }
            #${CONFIG.STATUS_BAR_ID}.collapsed .sb-progress-row,
            #${CONFIG.STATUS_BAR_ID}.collapsed .sb-score-row,
            #${CONFIG.STATUS_BAR_ID}.collapsed .sb-log-box,
            #${CONFIG.STATUS_BAR_ID}.collapsed .sb-footer,
            #${CONFIG.STATUS_BAR_ID}.collapsed .sb-version,
            #${CONFIG.STATUS_BAR_ID}.collapsed .sb-badge { display:none !important; }
            #${CONFIG.STATUS_BAR_ID}.collapsed .sb-collapse-btn { display:none !important; }
            #${CONFIG.STATUS_BAR_ID} .sb-collapse-btn { cursor:pointer; background:none; border:none; color:rgba(255,255,255,0.35); font-size:16px; padding:0 2px; transition:color 0.2s; line-height:1; margin-left:4px; }
            #${CONFIG.STATUS_BAR_ID} .sb-collapse-btn:hover { color:rgba(255,255,255,0.7); }
            #${CONFIG.STATUS_BAR_ID} .sb-header { display:flex; align-items:center; justify-content:space-between; padding-bottom:6px; border-bottom:1px solid rgba(255,255,255,0.1); margin-bottom:4px; }
            #${CONFIG.STATUS_BAR_ID} .sb-title { font-weight:600; font-size:14px; color:#4fc3f7; display:flex; align-items:center; gap:6px; }
            #${CONFIG.STATUS_BAR_ID} .sb-version { font-size:10px; color:rgba(255,255,255,0.3); font-weight:400; margin-left:-2px; }
            #${CONFIG.STATUS_BAR_ID} .sb-badge { padding:2px 12px; border-radius:14px; font-size:12px; font-weight:600; transition:all 0.3s ease; }
            #${CONFIG.STATUS_BAR_ID} .sb-badge.learning { background:#e65100; color:#ffcc80; }
            #${CONFIG.STATUS_BAR_ID} .sb-badge.completed { background:#2e7d32; color:#a5d6a7; }
            #${CONFIG.STATUS_BAR_ID} .sb-badge.waiting { background:#1565c0; color:#90caf9; }
            #${CONFIG.STATUS_BAR_ID} .sb-badge.paused { background:#37474f; color:#90a4ae; }
            #${CONFIG.STATUS_BAR_ID} .sb-progress-row { display:flex; align-items:center; gap:8px; padding:8px 4px 10px 6px; margin-bottom:6px; font-size:12px; background:rgba(255,255,255,0.03); border-radius:6px; }
            #${CONFIG.STATUS_BAR_ID} .sb-progress-info { color:#b0bec5; white-space:nowrap; min-width:70px; font-size:12px; }
            #${CONFIG.STATUS_BAR_ID} .sb-progress-bar-wrap { flex:1; height:8px; background:rgba(255,255,255,0.08); border-radius:4px; overflow:hidden; }
            #${CONFIG.STATUS_BAR_ID} .sb-progress-bar { height:100%; width:0%; background:linear-gradient(90deg,#4fc3f7,#29b6f6); border-radius:4px; transition:width 0.6s cubic-bezier(0.4,0,0.2,1); }
            #${CONFIG.STATUS_BAR_ID} .sb-toggle-wrap { display:flex; align-items:center; gap:4px; cursor:pointer; user-select:none; flex-shrink:0; }
            #${CONFIG.STATUS_BAR_ID} .sb-toggle-track { position:relative; width:32px; height:18px; background:rgba(255,255,255,0.15); border-radius:9px; transition:background 0.25s ease; }
            #${CONFIG.STATUS_BAR_ID} .sb-toggle-track.on { background:#4fc3f7; }
            #${CONFIG.STATUS_BAR_ID} .sb-toggle-thumb { position:absolute; top:2px; left:2px; width:14px; height:14px; background:#fff; border-radius:50%; transition:transform 0.25s cubic-bezier(0.4,0,0.2,1); box-shadow:0 1px 3px rgba(0,0,0,0.3); }
            #${CONFIG.STATUS_BAR_ID} .sb-toggle-track.on .sb-toggle-thumb { transform:translateX(14px); }
            #${CONFIG.STATUS_BAR_ID} .sb-score-row { display:flex; align-items:center; gap:12px; padding:6px 6px 8px 6px; margin-bottom:6px; font-size:12px; background:rgba(255,255,255,0.03); border-radius:6px; }
            #${CONFIG.STATUS_BAR_ID} .sb-score-item { color:#b0bec5; white-space:nowrap; font-size:12px; }
            #${CONFIG.STATUS_BAR_ID} .sb-score-item .sb-score-label { color:rgba(255,255,255,0.4); }
            #${CONFIG.STATUS_BAR_ID} .sb-score-item .sb-score-value { color:#4fc3f7; font-weight:600; }
            #${CONFIG.STATUS_BAR_ID} .sb-score-item .sb-score-pass { color:#ffb74d; font-weight:600; }
            #${CONFIG.STATUS_BAR_ID} .sb-score-item .sb-score-course { color:#81c784; font-weight:600; }
            #${CONFIG.STATUS_BAR_ID} .sb-log-box { max-height:170px; border:1px solid rgba(255,255,255,0.04); border-radius:6px; background:rgba(0,0,0,0.15); padding:4px 6px; overflow-y:auto; font-size:12px; line-height:1.7; }
            #${CONFIG.STATUS_BAR_ID} .sb-log-box::-webkit-scrollbar { width:4px; }
            #${CONFIG.STATUS_BAR_ID} .sb-log-box::-webkit-scrollbar-thumb { background:rgba(255,255,255,0.2); border-radius:4px; }
            #${CONFIG.STATUS_BAR_ID} .sb-log-box::-webkit-scrollbar-track { background:transparent; }
            #${CONFIG.STATUS_BAR_ID} .sb-log-entry { padding:2px 4px; border-bottom:1px solid rgba(255,255,255,0.03); word-break:break-all; font-family:'Consolas','Courier New',monospace; font-size:11.5px; }
            #${CONFIG.STATUS_BAR_ID} .sb-log-entry.info { color:#b0bec5; }
            #${CONFIG.STATUS_BAR_ID} .sb-log-entry.success { color:#81c784; }
            #${CONFIG.STATUS_BAR_ID} .sb-log-entry.warn { color:#ffb74d; }
            #${CONFIG.STATUS_BAR_ID} .sb-log-entry.error { color:#ef5350; }
            #${CONFIG.STATUS_BAR_ID} .sb-log-entry.action { color:#64b5f6; }
            #${CONFIG.STATUS_BAR_ID} .sb-footer { display:flex; justify-content:space-between; align-items:center; padding-top:6px; border-top:1px solid rgba(255,255,255,0.06); margin-top:4px; font-size:11px; color:rgba(255,255,255,0.35); }
            #${CONFIG.STATUS_BAR_ID} .sb-clear-btn { cursor:pointer; color:rgba(255,255,255,0.35); transition:color 0.2s; background:none; border:none; font-size:11px; padding:2px 6px; }
            #${CONFIG.STATUS_BAR_ID} .sb-clear-btn:hover { color:rgba(255,255,255,0.7); }
            #${CONFIG.STATUS_BAR_ID} .sb-video-dot { display:inline-block; width:8px; height:8px; border-radius:50%; margin-right:4px; transition:all 0.3s ease; }
            #${CONFIG.STATUS_BAR_ID} .sb-video-dot.learning { background:#e65100; box-shadow:0 0 8px rgba(230,81,0,0.6); }
            #${CONFIG.STATUS_BAR_ID} .sb-video-dot.completed { background:#2e7d32; box-shadow:0 0 8px rgba(46,125,50,0.6); }
            #${CONFIG.STATUS_BAR_ID} .sb-video-dot.waiting { background:#1565c0; box-shadow:0 0 8px rgba(21,101,192,0.6); }
            #${CONFIG.STATUS_BAR_ID} .sb-video-dot.paused { background:#90a4ae; box-shadow:0 0 8px rgba(144,164,174,0.6); }
            #${CONFIG.STATUS_BAR_ID} .sb-video-dot.off { background:#ef5350; }
        `;
        document.head.appendChild(style);
    };
    const collapse = () => {
        if (!S.isCollapsed && S.videoExists) { S.isCollapsed = true; S.statusBar.classList.add('collapsed'); }
    };
    const expand = () => {
        if (S.isCollapsed) { S.isCollapsed = false; S.statusBar.classList.remove('collapsed'); }
    };
    const createStatusBar = () => {
        if (document.getElementById(CONFIG.STATUS_BAR_ID)) return;
        const bar = document.createElement('div');
        bar.id = CONFIG.STATUS_BAR_ID;
        bar.innerHTML = `
            <div class="sb-header">
                <span class="sb-title"><span class="sb-video-dot off" id="bw-video-dot"></span>${GM_info.script.name}<span class="sb-version">v${GM_info.script.version}</span></span>
                <span style="display:flex;align-items:center;gap:4px;"><span class="sb-badge waiting" id="bw-status-badge">⏳ 等待中</span><button class="sb-collapse-btn" id="bw-collapse-btn" title="折叠">➖</button></span>
            </div>
            <div class="sb-progress-row">
                <span class="sb-progress-info" id="bw-progress-info">📊 -- / --</span>
                <div class="sb-progress-bar-wrap"><div class="sb-progress-bar" id="bw-progress-bar"></div></div>
                <span class="sb-toggle-wrap" id="bw-progress-toggle"><span class="sb-toggle-track on" id="bw-toggle-track"><span class="sb-toggle-thumb"></span></span></span>
            </div>
            <div class="sb-score-row" id="bw-score-row">
                <span class="sb-score-item" id="bw-score-pass">📋 <span class="sb-score-label">及格线</span>：<span class="sb-score-pass">--</span></span>
                <span class="sb-score-item" id="bw-score-course">📝 <span class="sb-score-label">课程成绩</span>：<span class="sb-score-course">--</span></span>
            </div>
            <div class="sb-log-box" id="bw-log-box"><div class="sb-log-entry info">📋 状态栏已加载，等待视频...</div></div>
            <div class="sb-footer"><span id="bw-log-count">0 条日志</span><button class="sb-clear-btn" id="bw-clear-log">🗑 清空</button></div>
        `;
        document.body.appendChild(bar);
        S.statusBar = bar;
        S.logContainer = document.getElementById('bw-log-box');
        document.getElementById('bw-collapse-btn').addEventListener('click', e => { e.stopPropagation(); collapse(); });
        bar.addEventListener('click', () => { if (S.isCollapsed) expand(); });
        document.getElementById('bw-clear-log').addEventListener('click', () => {
            if (S.logContainer) { S.logContainer.innerHTML = ''; updateLogCount(); }
        });
        document.getElementById('bw-progress-toggle').addEventListener('click', e => {
            e.stopPropagation();
            S.progressEnabled = !S.progressEnabled;
            document.getElementById('bw-toggle-track').classList.toggle('on', S.progressEnabled);
            if (S.progressEnabled) {
                addStatusLog('📊 进度追踪已开启（每3分钟获取一次）', 'success');
                if (!S.courseCompleted) fetchProgress();
                startProgressTimer();
            } else {
                addStatusLog('📊 进度追踪已关闭', 'info');
                stopProgressTimer();
                updateProgressDisplay(null);
            }
        });
    };
    const updateBadge = (text, cls) => {
        const b = document.getElementById('bw-status-badge');
        if (b) { b.textContent = text; b.className = 'sb-badge ' + cls; }
    };
    const updateVideoDot = status => {
        const d = document.getElementById('bw-video-dot');
        if (d) d.className = 'sb-video-dot ' + (status || 'off');
    };
    const updateLogCount = () => {
        const c = document.getElementById('bw-log-count');
        if (c && S.logContainer) c.textContent = S.logContainer.children.length + ' 条日志';
    };
    const addStatusLog = (text, type = 'info') => {
        if (!S.logContainer) return;
        const entry = document.createElement('div');
        entry.className = 'sb-log-entry ' + type;
        entry.textContent = text;
        S.logContainer.appendChild(entry);
        while (S.logContainer.children.length > CONFIG.MAX_LOG_LINES)
            S.logContainer.removeChild(S.logContainer.firstChild);
        updateLogCount();
        S.logContainer.scrollTop = S.logContainer.scrollHeight;
    };
    const updateProgressDisplay = data => {
        const info = document.getElementById('bw-progress-info'), bar = document.getElementById('bw-progress-bar');
        if (!info || !bar) return;
        if (!data || data.total === 0) {
            info.textContent = '📊 -- / --'; bar.style.width = '0%';
            const passEl = document.querySelector('#bw-score-pass .sb-score-pass');
            const courseEl = document.querySelector('#bw-score-course .sb-score-course');
            if (passEl) passEl.textContent = '--';
            if (courseEl) courseEl.textContent = '--';
            return;
        }
        const pct = Math.min(100, Math.round((data.learned / data.total) * 100));
        info.textContent = `📊 ${data.learned}/${data.total}分钟`;
        bar.style.width = pct + '%';
        bar.style.background = data.learned >= data.total
            ? 'linear-gradient(90deg, #66bb6a, #43a047)'
            : 'linear-gradient(90deg, #4fc3f7, #29b6f6)';
        if (data.learned >= data.total) updateBadge('✅ 学习完成', 'completed');
        const passEl = document.querySelector('#bw-score-pass .sb-score-pass');
        const courseEl = document.querySelector('#bw-score-course .sb-score-course');
        if (passEl) passEl.textContent = data.passScore > 0 ? data.passScore + '分' : '--';
        if (courseEl) courseEl.textContent = data.courseScore > 0 ? data.courseScore + '分' : '--';
    };
    const onCourseCompleted = () => {
        stopProgressTimer();
        if (S.checkIntervalId) {
            clearInterval(S.checkIntervalId);
            S.checkIntervalId = null;
        }
        addStatusLog('✅ 课程学习进度已达标，停止进度获取', 'success');
        updateBadge('✅ 学习完成', 'completed');
    };
    const startProgressTimer = () => {
        stopProgressTimer();
        S.progressTimer = setInterval(() => {
            if (!S.courseCompleted && S.progressEnabled && S.videoExists) fetchProgress();
        }, CONFIG.PROGRESS_FETCH_INTERVAL);
    };
    const stopProgressTimer = () => {
        if (S.progressTimer) { clearInterval(S.progressTimer); S.progressTimer = null; }
    };
    const hookConsole = () => {
        const raw = {
            log: console.log.bind(console),
            warn: console.warn.bind(console),
            error: console.error.bind(console)
        };
        const typeMap = [
            [/✅|完成|已达标/, 'success'],
            [/▶️|播放|点击/, 'action'],
            [/⚠️|未找到/, 'warn'],
            [/❌|出错/, 'error']
        ];
        const classify = msg => {
            for (const [re, t] of typeMap) if (re.test(msg)) return t;
            return 'info';
        };
        console.log = (...args) => {
            raw.log(`[${getTime()}]`, ...args);
            addStatusLog(
                args.map(a => typeof a === 'object' ? JSON.stringify(a) : String(a)).join(' '),
                classify(args.join(' '))
            );
        };
        console.warn = (...args) => {
            raw.warn(`[${getTime()}]`, ...args);
            addStatusLog(args.map(a => String(a)).join(' '), 'warn');
        };
        console.error = (...args) => {
            raw.error(`[${getTime()}]`, ...args);
            addStatusLog(args.map(a => String(a)).join(' '), 'error');
        };
    };
    const checkVideoAndStatus = () => {
        const video = document.querySelector('#xg-video video');
        const hasVideo = !!video;
        if (hasVideo !== S.videoExists) {
            S.videoExists = hasVideo;
            updateVideoDot(hasVideo ? 'waiting' : 'off');
            if (hasVideo) {
                S.statusBar.classList.add('visible');
                addStatusLog('🎬 检测到视频播放器', 'success');
                if (S.progressEnabled && !S.courseCompleted) setTimeout(() => fetchProgress(), 2000);
            } else {
                S.statusBar.classList.remove('visible', 'collapsed');
                S.isCollapsed = false;
                updateProgressDisplay(null);
                addStatusLog('🚫 视频播放器已移除', 'warn');
            }
            return;
        }
        if (hasVideo && video) {
            const status = video.ended
                ? ['✅ 学习完成', 'completed']
                : video.paused
                    ? ['⏸️ 已暂停', 'paused']
                    : ['📖 学习中', 'learning'];
            updateBadge(status[0], status[1]);
            updateVideoDot(status[1]);
        }
    };
    const handleContinueDialog = () => {
        const overlays = document.querySelectorAll('.el-overlay');
        for (const ov of overlays) {
            if (getComputedStyle(ov).display === 'none') continue;
            const dialog = ov.querySelector('.el-dialog');
            if (dialog?.querySelector('.el-dialog__header')?.textContent.includes('温馨提示')) {
                const btn = dialog.querySelector('.el-button--primary');
                if (btn?.innerText.trim() === '继续') {
                    btn.click();
                    console.log('✅ 检测到专注提醒弹窗，点击"继续"');
                    return;
                }
            }
        }
    };
    const mainLoop = () => {
        handleContinueDialog();
        if (S.courseCompleted) return;
        const video = getVideo();
        if (video) {
            const src = video.currentSrc || video.src;
            if (src && src !== S.lastVideoSrc) { S.lastVideoSrc = src; resetPlayState(); }
        }
        if (video && !video.paused) {
            ensureMuted(video);
            if (S.playPending) { clearUnlock(); S.playPending = false; }
            if (S.waitingFirstPlay) { clearTimeout(S.timer); S.waitingFirstPlay = false; }
            if (!S.uiFixed) {
                const startBtn = document.querySelector('.xgplayer-start');
                if (startBtn?.offsetParent) { startBtn.classList.add('hide'); console.log('🎯 隐藏中央按钮'); }
                const overlay = document.querySelector('.video-overlay');
                if (overlay?.offsetParent) { overlay.style.display = 'none'; console.log('🎯 隐藏视频覆盖层'); }
                S.uiFixed = true;
            }
            return;
        }
        if (video?.ended) {
            if (hasNextSection() && !S.hasClickedNext) {
                if (clickNextSection()) S.hasClickedNext = true;
            } else if (!hasNextSection() && !S.completionChecked) {
                S.completionChecked = true;
                console.log('🏁 所有课程已播放完毕，检查学习时长...');
                checkAndReplayIfNeeded();
            }
            return;
        }
        if (video?.paused && !S.waitingFirstPlay) {
            if (S.playPending) { console.log('⏳ 播放操作进行中，跳过本次'); return; }
            const overlay = document.querySelector('.video-overlay');
            if (overlay) { overlay.style.display = ''; console.log('🔄 恢复视频覆盖层显示'); }
            S.uiFixed = false;
            S.playPending = true;
            clearUnlock();
            if (playCurrentVideo(video)) {
                S.unlockTimer = setTimeout(() => { S.playPending = false; S.unlockTimer = null; }, 1500);
            } else {
                S.playPending = false;
            }
            return;
        }
        if (!S.hasClickedNext) {
            const hint = Array.from(document.querySelectorAll('*'))
                .find(el => isVisible(el) && el.innerText?.trim() === '本节播放结束, 是否继续播放？');
            if (hint) {
                if (hasNextSection()) {
                    if (clickNextSection()) S.hasClickedNext = true;
                } else {
                    console.log('🏁 检测到结束提示，但无下一节，触发检查');
                    if (!S.completionChecked) {
                        S.completionChecked = true;
                        checkAndReplayIfNeeded();
                    }
                }
            }
        }
    };
    let loopTimer = null;
    const startLoop = () => {
        if (loopTimer) clearTimeout(loopTimer);
        const tick = () => { mainLoop(); loopTimer = setTimeout(tick, CONFIG.CHECK_INTERVAL); };
        loopTimer = setTimeout(tick, CONFIG.CHECK_INTERVAL);
    };
    document.addEventListener('visibilitychange', () => {
        if (!document.hidden) {
            if (S.courseCompleted) return;
            if (S.waitingFirstPlay) {
                clearTimeout(S.timer);
                S.waitingFirstPlay = false;
                const v = getVideo();
                if (v && !S.playPending) {
                    ensureMuted(v);
                    S.playPending = true;
                    clearUnlock();
                    playCurrentVideo(v);
                    S.unlockTimer = setTimeout(() => { S.playPending = false; S.unlockTimer = null; }, 1500);
                }
            }
            setTimeout(mainLoop, 500);
        }
    });
    const init = () => {
        injectStyles();
        createStatusBar();
        hookConsole();
        setTimeout(() => checkVideoAndStatus(), 1500);
        S.checkIntervalId = setInterval(checkVideoAndStatus, 1000);
        startLoop();
        startProgressTimer();
    };
    if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', init);
    else init();
})();