// ==UserScript==
// @name         AHNYJY安徽公需课-安徽农业大学科目三继续教育自动刷课（免费版）
// @namespace    ahnyjy/auto
// @version      6.0.0
// @author       道道龙
// @description  【免费版】安徽公需课-安徽农业大学科目三继续教育自动刷课，列表页读取全部课程，播放页自动倍速，播完关闭，列表页自动继续下一课
// @match        https://www.ahnyjy.cn/*
// @match        https://ilearn.cfyedu.com/student/*
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_listValues
// @grant        GM_deleteValue
// @run-at       document-end
// @license MIT
// ==/UserScript==

(function() {
    'use strict';

    var IS_AH_LIST = /ahnyjy\.cn\/course\/center\/detail/.test(location.href);
    var IS_AH_PREVIEW = /ahnyjy\.cn\/course\/preview/.test(location.href);
    var IS_AH_OTHER = /ahnyjy\.cn/.test(location.href);
    var IS_IL = /ilearn\.cfyedu\.com/.test(location.href);

    var K_COURSES = 'ahnyjy5_courses';
    var K_CURSOR = 'ahnyjy5_cursor';
    var K_SPEED = 'ahnyjy5_speed';
    var K_RUNNING = 'ahnyjy5_running';
    var K_PHASE = 'ahnyjy5_phase'; // 'idle' | 'opening' | 'playing' | 'done'

    function log() {
        console.log('[AHNYJY-v5] ' + Array.prototype.slice.call(arguments).join(' '));
    }
    function sleep(ms) { return new Promise(function(r) { setTimeout(r, ms); }); }
    function $1(s) { return document.querySelector(s); }
    function $A(s) { return Array.prototype.slice.call(document.querySelectorAll(s)); }
    function cfg(k, f) {
        try { var v = GM_getValue(k); return v !== undefined ? v : f; }
        catch(e) { return f; }
    }
    function setCfg(k, v) { try { GM_setValue(k, v); } catch(e) {} }
    function fmt(s) {
        if (!s || isNaN(s)) return '--:--';
        return String(Math.floor(s/60)).padStart(2,'0') + ':' + String(Math.floor(s%60)).padStart(2,'0');
    }

    // ================================================================
    // 列表页 UI
    // ================================================================
    function createListUI() {
        var old = $1('#ah5-panel');
        if (old) { try { old.parentNode.removeChild(old); } catch(e) {} }
        if ($1('#ah5-panel')) return;
        var html = '<div id="ah5-panel" style="position:fixed;top:20px;right:20px;z-index:99999;' +
            'background:linear-gradient(135deg,#1a1a2e,#16213e);color:#e0e0e0;' +
            'padding:14px 18px;border-radius:12px;min-width:360px;max-width:420px;' +
            'box-shadow:0 8px 32px rgba(0,0,0,.5);font-family:PingFang SC,Microsoft YaHei,sans-serif;' +
            'font-size:13px;border:1px solid rgba(255,255,255,.08);' +
            'max-height:92vh;overflow-y:auto;">' +

            '<div style="display:flex;align-items:center;gap:8px;margin-bottom:10px;">' +
            '<span style="font-size:22px;">🎓</span>' +
            '<span style="font-weight:700;font-size:14px;">安徽继续教育刷课助手</span>' +
            '<span style="background:#dc2626;color:#fff;font-size:10px;padding:2px 7px;border-radius:10px;">FREE</span>' +
            '<span style="margin-left:auto;font-size:11px;color:#555;">v6.0</span></div>' +

            '<div id="ah5-status" style="font-size:12px;color:#94a3b8;min-height:18px;margin-bottom:4px;">准备中...</div>' +
            '<div id="ah5-sub" style="font-size:11px;color:#64748b;margin-bottom:8px;"></div>' +

            '<div id="ah5-pbar" style="margin-bottom:10px;display:none;">' +
            '<div style="display:flex;justify-content:space-between;font-size:11px;color:#64748b;margin-bottom:4px;">' +
            '<span id="ah5-plabel"></span><span id="ah5-ppct"></span></div>' +
            '<div style="background:#0f2744;height:4px;border-radius:2px;overflow:hidden;">' +
            '<div id="ah5-pfill" style="height:100%;background:linear-gradient(90deg,#3b82f6,#60a5fa);' +
            'transition:width .5s;border-radius:2px;width:0%"></div></div></div>' +

            '<div style="display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px;">' +
            '<button id="ah5-btn-read" style="background:#10b981;color:#fff;border:none;border-radius:6px;' +
            'padding:7px 14px;cursor:pointer;font-weight:700;font-size:12px;">📥 读取全部课程</button>' +
            '<button id="ah5-btn-start" style="background:#3b82f6;color:#fff;border:none;border-radius:6px;' +
            'padding:7px 14px;cursor:pointer;font-weight:700;font-size:12px;">▶ 开始刷课</button>' +
            '<button id="ah5-btn-stop" disabled style="background:#475569;color:#94a3b8;border:none;' +
            'border-radius:6px;padding:7px 12px;cursor:not-allowed;font-size:12px;">■ 停止</button>' +
            '<button id="ah5-btn-next" style="background:#6366f1;color:#fff;border:none;border-radius:6px;' +
            'padding:7px 12px;cursor:pointer;font-size:12px;">▶▶ 下一课</button>' +
            '</div>' +

            '<div style="display:flex;gap:6px;align-items:center;margin-bottom:10px;">' +
            '<span style="font-size:11px;color:#64748b;">倍速</span>' +
            '<select id="ah5-speed" style="background:#0f2744;color:#e0e0e0;border:1px solid #334155;' +
            'border-radius:4px;padding:5px 8px;font-size:12px;">' +
            '<option value="1">1x</option>' +
            '<option value="1.5">1.5x</option>' +
            '<option value="2" selected>2x</option>' +
            '<option value="3">3x</option>' +
            '<option value="5">5x</option></select>' +
            '</div>' +

            '<div id="ah5-list" style="max-height:200px;overflow-y:auto;display:none;"></div>' +

            '<div style="margin-top:8px;padding:8px 10px;background:#0f2744;border-radius:6px;' +
            'font-size:10px;color:#ffffff;line-height:1.7;">' +
            'ℹ️ 读取全部课程 → 开始刷课 → 播放页自动播放倍速 → 播完关闭 → 自动继续下一课<br>' +
            '⚠️ 免费版全部强制播放；代刷8元 👉 微信 wkds995</div></div>';

        document.body.insertAdjacentHTML('beforeend', html);

        $1('#ah5-speed').value = String(cfg(K_SPEED, 2));
        $1('#ah5-speed').onchange = function() { setCfg(K_SPEED, Number(this.value)); };
        $1('#ah5-btn-read').onclick = function() { readAllCourses(); };
        $1('#ah5-btn-start').onclick = function() { startAuto(); };
        $1('#ah5-btn-stop').onclick = function() { stopAuto(); };
        $1('#ah5-btn-next').onclick = function() { openNextCourse(); };
    }

    function setStatus(text, sub) {
        var el = $1('#ah5-status');
        if (el) el.textContent = text;
        var sub_el = $1('#ah5-sub');
        if (sub_el) sub_el.textContent = sub || '';
    }

    function setProgress(cur, total, label) {
        var wrap = $1('#ah5-pbar');
        if (!wrap) return;
        var pct = total > 0 ? Math.round(cur / total * 100) : 0;
        wrap.style.display = 'block';
        var fill = $1('#ah5-pfill');
        var lbl = $1('#ah5-plabel');
        var pct_el = $1('#ah5-ppct');
        if (fill) fill.style.width = pct + '%';
        if (lbl) lbl.textContent = label || (cur + ' / ' + total);
        if (pct_el) pct_el.textContent = pct + '%';
    }

    function syncButtons() {
        var running = cfg(K_RUNNING, false);
        var courses = cfg(K_COURSES, []);
        var startBtn = $1('#ah5-btn-start');
        var stopBtn = $1('#ah5-btn-stop');
        var readBtn = $1('#ah5-btn-read');
        var nextBtn = $1('#ah5-btn-next');

        if (startBtn) {
            startBtn.disabled = running || courses.length === 0;
            startBtn.style.opacity = (running || courses.length === 0) ? '0.5' : '1';
        }
        if (stopBtn) {
            stopBtn.disabled = !running;
            stopBtn.style.background = running ? '#ef4444' : '#475569';
            stopBtn.style.cursor = running ? 'pointer' : 'not-allowed';
        }
        if (readBtn) {
            readBtn.disabled = running;
            readBtn.style.opacity = running ? '0.5' : '1';
        }
        if (nextBtn) {
            nextBtn.disabled = running;
            nextBtn.style.opacity = running ? '0.5' : '1';
        }
    }

    function renderList(courses, cursor) {
        var list = $1('#ah5-list');
        if (!list || !courses || courses.length === 0) {
            if (list) list.style.display = 'none';
            return;
        }
        list.style.display = 'block';
        list.innerHTML = '<div style="font-size:11px;color:#64748b;margin-bottom:6px;' +
            'border-bottom:1px solid #1e3a5f;padding-bottom:4px;">' +
            '课程列表（' + courses.length + '门）<span style="color:#3b82f6;">· 已完成 ' + cursor + ' 门</span></div>';
        courses.forEach(function(c, i) {
            var done = i < cursor;
            var cur = i === cursor;
            var div = document.createElement('div');
            div.style.cssText = 'font-size:11px;padding:3px 4px;color:' +
                (done ? '#10b981' : cur ? '#fbbf24' : '#94a3b8') + ';' +
                'cursor:' + (cur ? 'pointer' : 'default') + ';' +
                'white-space:nowrap;overflow:hidden;text-overflow:ellipsis;';
            var icon = done ? '✅ ' : cur ? '👉 ' : '  ';
            div.textContent = icon + (i+1) + '. ' + c.courseName.substring(0, 28) +
                ' [' + (c.classHour || '?') + 'h] ' + (c.learnRate || 0) + '%';
            if (cur) {
                div.style.background = 'rgba(251,191,36,.1)';
                div.style.borderRadius = '4px';
                div.onclick = function() { openNextCourse(); };
                div.title = '点击手动打开';
            }
            list.appendChild(div);
        });
    }

    // ================================================================
    // 列表页：读取课程（支持分页）
    // ================================================================
    async function readAllCourses() {
        setStatus('正在读取课程...', '');
        var allCourses = [];

        var totalInput = $1('.el-pagination .el-input__inner[type="number"]');
        var totalPages = totalInput ? parseInt(totalInput.getAttribute('max') || '1') : 1;
        var currentPager = $1('.el-pagination .el-pager');
        var currentActive = currentPager ? currentPager.querySelector('.number.active') : null;
        var currentPage = currentActive ? parseInt(currentActive.textContent.trim()) : 1;
        log('total pages:', totalPages, 'current:', currentPage);

        if (currentPage !== 1) {
            var firstBtn = $1('.el-pagination .el-pager .number');
            if (firstBtn) {
                var evt = new MouseEvent('click', { bubbles: true, cancelable: true, view: window });
                firstBtn.dispatchEvent(evt);
                await sleep(1500);
            }
        }

        while (true) {
            currentPager = $1('.el-pagination .el-pager');
            currentActive = currentPager ? currentPager.querySelector('.number.active') : null;
            currentPage = currentActive ? parseInt(currentActive.textContent.trim()) : 1;

            var pageCourses = readPageCourses();
            log('page', currentPage, ':', pageCourses.length, 'courses');

            var existingIds = new Set(allCourses.map(function(c) { return c.courseId + '_' + c.clazzId; }));
            pageCourses.forEach(function(c) {
                var key = c.courseId + '_' + c.clazzId;
                if (!existingIds.has(key)) {
                    allCourses.push(c);
                    existingIds.add(key);
                }
            });

            setStatus('第' + currentPage + '页 / 共' + totalPages + '页', allCourses.length + '门已读取');
            setProgress(currentPage, totalPages, allCourses.length + '门已读取');

            if (currentPage >= totalPages) break;

            var nextBtn = $1('.el-pagination .btn-next');
            if (!nextBtn || nextBtn.disabled) break;

            nextBtn.click();
            await sleep(1500);
        }

        if (allCourses.length === 0) {
            setStatus('未找到课程数据', '');
            return;
        }

        setCfg(K_COURSES, allCourses);
        setCfg(K_CURSOR, 0);
        setCfg(K_RUNNING, false);
        setCfg(K_PHASE, 'idle');
        setStatus('已读取 ' + allCourses.length + ' 门课程', '免费版：全部强制播放');
        setProgress(0, allCourses.length, '待播放');
        renderList(allCourses, 0);
        syncButtons();
        log('total:', allCourses.length, 'courses');
        allCourses.forEach(function(c, i) {
            log('  ' + (i+1) + '. ' + c.courseName + ' [clazzId:' + c.clazzId + ' courseId:' + c.courseId + ']');
        });
    }

    function readPageCourses() {
        var vueApps = [];
        document.querySelectorAll('*').forEach(function(el) {
            if (el.__vue__) vueApps.push(el.__vue__);
        });
        for (var i = 0; i < vueApps.length; i++) {
            var vue = vueApps[i];
            var data = vue.$data || vue._data;
            if (!data) continue;
            var courseList = null;
            if (data.clazz && data.clazz.clazzCourses) courseList = data.clazz.clazzCourses;
            else if (data.clazzCourses) courseList = data.clazzCourses;
            if (courseList && courseList.length > 0) {
                return courseList.map(function(c) {
                    var activityNodes = [];
                    try { activityNodes = JSON.parse(c.activityNodes || '[]'); } catch(e) {}
                    return {
                        clazzId: c.clazzId,
                        courseId: c.courseId,
                        onlineCourseId: c.onlineCourseId,
                        courseStudentId: c.courseStudentId,
                        courseName: c.courseName || '',
                        classHour: c.classHour || 0,
                        learnRate: c.learnRate || 0,
                        status: c.status || '',
                        activityNodes: activityNodes
                    };
                });
            }
        }
        return [];
    }

    // ================================================================
    // 列表页：开始 / 停止 / 下一课
    // ================================================================
    function openNextCourse() {
        var courses = cfg(K_COURSES, []);
        var cursor = cfg(K_CURSOR, 0);
        if (courses.length === 0) { setStatus('请先读取课程', ''); return; }
        if (cursor >= courses.length) {
            setStatus('🎉 全部 ' + courses.length + ' 门刷完！', '');
            setCfg(K_RUNNING, false);
            syncButtons();
            return;
        }
        var c = courses[cursor];
        var url = 'https://www.ahnyjy.cn/course/preview/' + c.courseId + '?clazzId=' + c.clazzId;
        log('open:', c.courseName, '->', url);
        setCfg(K_RUNNING, true);
        setCfg(K_PHASE, 'opening');
        setStatus('(' + (cursor+1) + '/' + courses.length + ') ' + c.courseName.substring(0, 25), '正在打开...');
        window.open(url, '_blank');
        setProgress(cursor + 1, courses.length, '播放中');
        syncButtons();
    }

    function startAuto() {
        var courses = cfg(K_COURSES, []);
        if (courses.length === 0) { setStatus('请先读取课程', ''); return; }
        setCfg(K_RUNNING, true);
        setStatus('自动刷课已开始', '免费版：全部强制播放');
        syncButtons();
        openNextCourse();
    }

    function stopAuto() {
        setCfg(K_RUNNING, false);
        setCfg(K_PHASE, 'idle');
        setStatus('已停止', '');
        syncButtons();
    }

    // 列表页：持续轮询，等待播放页更新cursor
    function setupListPolling() {
        var prevCursor = cfg(K_CURSOR, 0);
        setInterval(function() {
            var cursor = cfg(K_CURSOR, 0);
            var running = cfg(K_RUNNING, false);
            var courses = cfg(K_COURSES, []);
            var phase = cfg(K_PHASE, 'idle');

            // 检测cursor变化（播放页完成了一个课程）
            if (cursor > prevCursor) {
                log('cursor changed:', prevCursor, '->', cursor);
                prevCursor = cursor;
                setProgress(cursor, courses.length, '已完成');
                renderList(courses, cursor);

                // 播完了
                if (cursor >= courses.length) {
                    setStatus('🎉 全部 ' + courses.length + ' 门刷完！', '');
                    setCfg(K_RUNNING, false);
                    setCfg(K_PHASE, 'done');
                    syncButtons();
                    return;
                }

                // 自动继续下一课（cursor变化说明播放页刚关闭，强制设running=true）
                setCfg(K_RUNNING, true);
                setStatus('(' + (cursor+1) + '/' + courses.length + ') 自动打开下一课...', '');
                setTimeout(function() {
                    if (cfg(K_RUNNING, false)) {
                        openNextCourse();
                    }
                }, 2500);
            }
        }, 2000);
    }

    // ================================================================
    // 播放页 UI（只监控，不控制播放）
    // ================================================================
    function createPlayUI() {
        var old = $1('#ah5-panel');
        if (old) { try { old.parentNode.removeChild(old); } catch(e) {} }
        if ($1('#ah5-panel')) return;

        var html = '<div id="ah5-panel" style="position:fixed;top:20px;right:20px;z-index:99999;' +
            'background:linear-gradient(135deg,#0f3d2e,#0a2a1e);color:#e0e0e0;' +
            'padding:14px 18px;border-radius:12px;min-width:300px;' +
            'box-shadow:0 8px 32px rgba(0,0,0,.5);font-family:PingFang SC,Microsoft YaHei,sans-serif;' +
            'font-size:13px;border:2px solid #10b981;">' +

            '<div style="display:flex;align-items:center;gap:8px;margin-bottom:10px;">' +
            '<span style="font-size:22px;">🎬</span>' +
            '<span style="font-weight:700;font-size:14px;">播放页监控</span>' +
            '<span style="background:#dc2626;color:#fff;font-size:10px;padding:2px 7px;border-radius:10px;">FREE</span>' +
            '<span style="margin-left:auto;font-size:11px;color:#555;">v5.0</span></div>' +

            '<div id="ah5-status" style="font-size:12px;color:#94a3b8;min-height:18px;margin-bottom:4px;">等待视频...</div>' +
            '<div id="ah5-sub" style="font-size:11px;color:#64748b;margin-bottom:8px;"></div>' +

            '<div id="ah5-pbar" style="margin-bottom:10px;">' +
            '<div style="display:flex;justify-content:space-between;font-size:11px;color:#64748b;margin-bottom:4px;">' +
            '<span id="ah5-plabel">进度</span><span id="ah5-ppct"></span></div>' +
            '<div style="background:#0a2a1e;height:4px;border-radius:2px;overflow:hidden;">' +
            '<div id="ah5-pfill" style="height:100%;background:#10b981;transition:width .5s;border-radius:2px;width:0%"></div></div></div>' +

            '<div style="display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px;">' +
            '<button id="ah5-btn-close" style="background:#ef4444;color:#fff;border:none;border-radius:6px;' +
            'padding:7px 14px;cursor:pointer;font-weight:700;font-size:12px;">✕ 关闭本页</button>' +
            '</div>' +

            '<div style="display:flex;gap:6px;align-items:center;margin-bottom:8px;">' +
            '<span style="font-size:11px;color:#64748b;">倍速</span>' +
            '<select id="ah5-speed" style="background:#0a2a1e;color:#e0e0e0;border:1px solid #10b981;' +
            'border-radius:4px;padding:5px 8px;font-size:12px;">' +
            '<option value="1">1x</option>' +
            '<option value="1.5">1.5x</option>' +
            '<option value="2" selected>2x</option>' +
            '<option value="3">3x</option>' +
            '<option value="5">5x</option></select>' +
            '<button id="ah5-btn-speed-up" style="background:#f59e0b;color:#000;border:none;border-radius:4px;' +
            'padding:4px 8px;cursor:pointer;font-size:11px;">🔼</button>' +
            '<button id="ah5-btn-speed-down" style="background:#f59e0b;color:#000;border:none;border-radius:4px;' +
            'padding:4px 8px;cursor:pointer;font-size:11px;">🔽</button>' +
            '</div>' +

            '<div id="ah5-log" style="font-size:11px;color:#4ade80;max-height:500px;overflow-y:auto;' +
            'line-height:1.7;background:#061a12;padding:8px 10px;border-radius:6px;margin-bottom:8px;' +
            'word-break:break-all;font-family:Consolas,Monaco,monospace;"></div>' +

            '<div style="margin-top:8px;padding:6px 10px;background:#0a2a1e;border-radius:6px;' +
            'font-size:10px;color:#10b981;line-height:1.6;">' +
            '🎬 自动监控：检测到视频自动播放，代刷8元 👉 微信 wkds995</div></div>';

        document.body.insertAdjacentHTML('beforeend', html);

        var speed = cfg(K_SPEED, 2);
        var speedEl = $1('#ah5-speed');
        speedEl.value = String(speed);
        speedEl.onchange = function() {
            var s = Number(this.value);
            setCfg(K_SPEED, s);
            applySpeedToVideo(s);
        };
        $1('#ah5-btn-close').onclick = function() { doClose(); };
        $1('#ah5-btn-speed-up').onclick = function() { changeSpeed(1); };
        $1('#ah5-btn-speed-down').onclick = function() { changeSpeed(-1); };
    }

    function setPlayStatus(text, sub) {
        var el = $1('#ah5-status');
        if (el) el.textContent = text;
        var sub_el = $1('#ah5-sub');
        if (sub_el) sub_el.textContent = sub || '';
    }

    function setPlayProgress(pct) {
        var fill = $1('#ah5-pfill');
        var pct_el = $1('#ah5-ppct');
        if (fill) fill.style.width = pct + '%';
        if (pct_el) pct_el.textContent = pct + '%';
    }

    function addLog(msg) {
        var logEl = $1('#ah5-log');
        if (!logEl) return;
        var ts = new Date().toLocaleTimeString();
        var line = document.createElement('div');
        line.textContent = '[' + ts.substring(3, 8) + '] ' + msg;
        logEl.appendChild(line);
        while (logEl.children.length > 5) logEl.removeChild(logEl.firstChild);
    }

    // ================================================================
    // 播放页：视频播放 + 倍速 + 关闭逻辑
    // 策略：
    //   1. 有多个视频 → 都监控，暂停就点播放
    //   2. 进度100%不代表完成 → 等"已经是最后一个任务了"出现才算完成
    // ================================================================
    var currentSpeed = 2;
    var currentVideo = null;
    var monitorTimer = null;

    function changeSpeed(dir) {
        var speeds = [1, 1.5, 2, 3, 5];
        var idx = speeds.indexOf(currentSpeed);
        var newIdx = Math.max(0, Math.min(speeds.length - 1, idx + dir));
        currentSpeed = speeds[newIdx];
        setCfg(K_SPEED, currentSpeed);
        var el = $1('#ah5-speed');
        if (el) el.value = String(currentSpeed);
        // 同步到所有Video.js播放器
        if (typeof videojs !== 'undefined') {
            videojs.getAllPlayers().forEach(function(p) {
                try { p.playbackRate(currentSpeed); } catch(e) {}
            });
        }
        addLog('倍速: ' + currentSpeed + 'x');
    }

    // 点击大播放按钮（触发用户互动，解除浏览器拦截）
    function clickBigPlayButton() {
        var btn = $1('.vjs-big-play-button');
        if (!btn) { addLog('clickBigPlayButton: 按钮不存在'); return false; }
        try {
            btn.dispatchEvent(new MouseEvent('click', { bubbles: true, cancelable: true, view: window }));
            addLog('已点击 .vjs-big-play-button');
            return true;
        } catch(e) {
            addLog('点击btn失败: ' + e.message);
            return false;
        }
    }

    // 让所有Video.js播放器播放
    function playAllPlayers() {
        if (typeof videojs === 'undefined') return;
        videojs.getAllPlayers().forEach(function(p) {
            try {
                p.play().catch(function() {});
            } catch(e) {}
        });
    }

    // 关闭播放页：更新cursor并关闭窗口
    async function doClose() {
        if (monitorTimer) { clearInterval(monitorTimer); monitorTimer = null; }
        addLog('doClose: 更新cursor');
        var cursor = cfg(K_CURSOR, 0);
        cursor++;
        setCfg(K_CURSOR, cursor);
        setCfg(K_RUNNING, false);
        setCfg(K_PHASE, 'done');
        addLog('cursor -> ' + cursor + '，准备关闭');
        await sleep(500);
        window.close();
    }

    // 检测页面是否出现"已经是最后一个任务了"提示
    function checkLastTaskHint() {
        var all = document.querySelectorAll('*');
        for (var i = 0; i < all.length; i++) {
            var el = all[i];
            if (el.children.length > 0) continue;
            var txt = (el.textContent || '').replace(/\s+/g, '');
            if (txt.indexOf('已经是最后一个任务了') !== -1) {
                return true;
            }
        }
        return false;
    }

    // 获取页面所有视频元素
    function getAllVideos() {
        var videos = [];
        document.querySelectorAll('video').forEach(function(v) {
            if (document.contains(v)) videos.push(v);
        });
        return videos;
    }

    // 主监控逻辑（每2秒执行一次）
    function monitorTick() {
        var videos = getAllVideos();
        if (videos.length === 0) {
            addLog('本页无video元素');
            setPlayStatus('等待视频加载...', '');
            return;
        }

        // 汇总进度
        var totalDur = 0, totalCur = 0, allEnded = true, allPaused = true;
        videos.forEach(function(v) {
            totalDur += v.duration || 0;
            totalCur += v.currentTime || 0;
            if (v.duration > 5) {
                if (!v.ended && v.currentTime < v.duration - 0.5) allEnded = false;
                if (!v.paused) allPaused = false;
            }
        });
        var pct = totalDur > 0 ? Math.round(totalCur / totalDur * 100) : 0;
        var hint = allEnded ? ' [全部播完]' : '';
        setPlayStatus('🎬 ' + currentSpeed + 'x' + hint, '已看 ' + pct + '% (' + videos.length + '个视频)');
        setPlayProgress(pct);

        // 信号1：出现"最后一个任务"提示 = 全部完成
        if (checkLastTaskHint()) {
            addLog('检测到"最后一个任务"，全部完成！');
            setPlayStatus('✅ 全部完成！5秒后关闭...', '');
            setTimeout(function() { doClose(); }, 5000);
            return;
        }

        // 信号2：有视频暂停了 → 点击播放
        if (allPaused) {
            addLog('视频暂停，点击播放');
            clickBigPlayButton();
            playAllPlayers();
        }

        // 信号3：所有视频都ended了但还没出提示 → 点击播放按钮 + 立刻再次检查提示
        if (allEnded && videos[0].duration > 5) {
            addLog('所有视频播完，点击播放触发完成检测');
            setPlayStatus('⏳ 等最后一个任务提示...', '');
            clickBigPlayButton();
            playAllPlayers();
            // 点击后立刻再检查一次提示（避免等下一个2秒tick）
            if (checkLastTaskHint()) {
                addLog('点击后立即检测到提示，关闭！');
                setPlayStatus('✅ 全部完成！5秒后关闭...', '');
                setTimeout(function() { doClose(); }, 5000);
                return;
            }
        }
    }

    // 开始监控
    function startMonitor(video) {
        if (monitorTimer) clearInterval(monitorTimer);
        addLog('startMonitor()');
        if (video) { currentVideo = video; addLog('监控指定video'); }

        // 立即播放
        clickBigPlayButton();
        playAllPlayers();

        // 设倍速到所有player
        if (typeof videojs !== 'undefined') {
            videojs.getAllPlayers().forEach(function(p) {
                try { p.playbackRate(currentSpeed); } catch(e) {}
            });
        }

        monitorTimer = setInterval(monitorTick, 2000);
    }
    // ================================================================
    // 初始化
    // ================================================================

    // ================================================================
    // 路由检测：注入页面，捕获所有SPA导航
    // ================================================================
    (function() {
        if (window._ahRouteInjected) return;
        window._ahRouteInjected = true;

        var last = location.pathname;
        var lastHash = location.hash;

        function onRoute() {
            var p = location.pathname;
            var h = location.hash;
            if (p === last && h === lastHash) return;
            last = p;
            lastHash = h;

            // postMessage通知主脚本
            window.postMessage({ type: 'AH_ROUTE_CHANGE', path: p + h }, '*');
        }

        // 拦截所有导航API
        var _push = history.pushState;
        history.pushState = function() { _push.apply(history, arguments); onRoute(); };
        var _rep = history.replaceState;
        history.replaceState = function() { _rep.apply(history, arguments); onRoute(); };
        window.addEventListener('popstate', onRoute);

        // 兜底轮询（SPA可能不触发任何事件）
        setInterval(onRoute, 800);

        // hash路由也监控
        setInterval(function() {
            if (location.hash !== lastHash) onRoute();
        }, 800);
    })();

    function init() {
        if (IS_AH_LIST) {
            createListUI();
            var courses = cfg(K_COURSES, []);
            var cursor = cfg(K_CURSOR, 0);
            if (courses.length > 0) {
                setStatus('已读取 ' + courses.length + ' 门课程', '免费版：全部强制播放');
                setProgress(cursor, courses.length, '待播放');
                renderList(courses, cursor);
            } else {
                setStatus('请点击"读取全部课程"', '');
            }
            syncButtons();
            setupListPolling();
        } else if (IS_AH_PREVIEW) {
            setStatus('等待跳转到播放页...', '');
            var t0 = Date.now();
            var iv = setInterval(function() {
                if (/ilearn/.test(location.href)) {
                    clearInterval(iv);
                    setTimeout(function() { location.reload(); }, 1500);
                } else if (Date.now() - t0 > 90000) {
                    clearInterval(iv);
                    setStatus('跳转超时，请手动刷新', '');
                }
            }, 1000);
        } else if (IS_IL) {
            createPlayUI();
            currentSpeed = cfg(K_SPEED, 2);
            findAndActivate();
        } else if (IS_AH_OTHER) {
            createWaitUI();
            setupRouteWatch();
        }
    }

    // ================================================================
    // postMessage 接收路由变化通知
    // ================================================================
    window.addEventListener('message', function(e) {
        if (!e.data || e.data.type !== 'AH_ROUTE_CHANGE') return;
        var path = e.data.path || '';
        var isList = /ahnyjy\.cn\/course\/center\/detail/.test(location.href);
        var isOtherAH = /ahnyjy\.cn/.test(location.href) && !isList;

        if (isList) {
            // 进入列表页 → 重新加载
            var panel = $1('#ah5-panel');
            if (panel) { try { panel.parentNode.removeChild(panel); } catch(err) {} }
            setTimeout(function() { location.reload(); }, 200);
        } else if (isOtherAH) {
            // 离开列表页 → 显示等待UI
            var panel = $1('#ah5-panel');
            if (panel) { try { panel.parentNode.removeChild(panel); } catch(err) {} }
            setTimeout(function() {
                createWaitUI();
                setupRouteWatch();
            }, 200);
        }
    });

    // ================================================================
    // 首页提示UI + 路由监控
    // ================================================================
    function createWaitUI() {
        var old = $1('#ah5-panel');
        if (old) { try { old.parentNode.removeChild(old); } catch(e) {} }
        if ($1('#ah5-panel')) return;
        var html = '<div id="ah5-panel" style="position:fixed;top:20px;right:20px;z-index:99999;' +
            'background:linear-gradient(135deg,#1a1a2e,#16213e);color:#e0e0e0;' +
            'padding:14px 18px;border-radius:12px;min-width:340px;' +
            'box-shadow:0 8px 32px rgba(0,0,0,.5);font-family:PingFang SC,Microsoft YaHei,sans-serif;' +
            'font-size:13px;border:1px solid rgba(255,255,255,.08);">' +

            '<div style="display:flex;align-items:center;gap:8px;margin-bottom:10px;">' +
            '<span style="font-size:22px;">🎓</span>' +
            '<span style="font-weight:700;font-size:14px;">安徽继续教育刷课助手</span>' +
            '<span style="background:#dc2626;color:#fff;font-size:10px;padding:2px 7px;border-radius:10px;">FREE</span>' +
            '<span style="margin-left:auto;font-size:11px;color:#555;">v6.0</span></div>' +

            '<div style="padding:10px;background:#1e3a5f;border-radius:8px;margin-bottom:10px;">' +
            '<div style="color:#fbbf24;font-size:12px;font-weight:700;margin-bottom:6px;">⚠️ 请进入课程列表页</div>' +
            '<div style="color:#e0e0e0;font-size:11px;line-height:1.6;">点击菜单"<strong>个人中心</strong>"后"<strong>点击需学习课程</strong>"，' +
            '进入课程列表页后，本助手将自动激活。</div>' +
            '<div style="color:#94a3b8;font-size:10px;margin-top:6px;background:#0f2744;padding:6px 8px;border-radius:4px;">' +
            '目标页面示例：' + location.host + '/course/center/detail/<span style="color:#60a5fa;">{clazzId}</span></div></div>' +

            '<div id="ah5-status" style="font-size:12px;color:#94a3b8;min-height:18px;margin-bottom:6px;">等待进入课程列表页...</div>' +

            '<div style="margin-top:8px;padding:8px 10px;background:#0f2744;border-radius:6px;' +
            'font-size:10px;color:#ffffff;line-height:1.7;">' +
            'ℹ️ 读取全部课程 → 开始刷课 → 播放页自动播放倍速 → 播完关闭 → 自动继续下一课<br>' +
            '⚠️ 免费版全部强制播放；代刷8元 👉 微信 wkds995</div></div>';

        document.body.insertAdjacentHTML('beforeend', html);
    }

    function setWaitStatus(text) {
        var el = $1('#ah5-status');
        if (el) el.textContent = text;
    }

    // 路由监控：监听 SPA 路由变化 + 定期检查 URL
    var routeWatchTimer = null;
    var lastKnownPath = location.pathname;

    function setupRouteWatch() {
        // 先清理旧的
        if (routeWatchTimer) { clearInterval(routeWatchTimer); routeWatchTimer = null; }
        window.removeEventListener('popstate', onRouteChange);
        // popstate：浏览器前进后退
        window.addEventListener('popstate', onRouteChange);
        // pushState/replaceState：Vue路由跳转（SPA核心）
        var _pushState = history.pushState;
        var _replaceState = history.replaceState;
        history.pushState = function() {
            _pushState.apply(history, arguments);
            onRouteChange();
        };
        history.replaceState = function() {
            _replaceState.apply(history, arguments);
            onRouteChange();
        };
        // 兜底轮询
        routeWatchTimer = setInterval(onRouteChange, 1000);
    }

    function onRouteChange() {
        var currentPath = location.pathname + location.hash;
        if (currentPath === lastKnownPath) return;
        lastKnownPath = currentPath;

        var nowIsList = /ahnyjy\.cn\/course\/center\/detail/.test(location.href);
        var nowIsAH = /ahnyjy\.cn/.test(location.href);

        // 进入或离开课程列表页 → 强制重新加载脚本
        // 这是最可靠的SPA导航处理方式
        if (nowIsList) {
            clearInterval(routeWatchTimer);
            window.removeEventListener('popstate', onRouteChange);
            location.reload();
        } else if (nowIsAH) {
            // 其他ahnyjy页面 → 移除旧面板，重新显示等待UI
            clearInterval(routeWatchTimer);
            window.removeEventListener('popstate', onRouteChange);
            var panel = $1('#ah5-panel');
            if (panel) { try { panel.parentNode.removeChild(panel); } catch(e) {} }
            setTimeout(function() {
                createWaitUI();
                setupRouteWatch();
            }, 100);
        }
    }

    // ================================================================
    // 播放页：查找播放器并激活
    // ================================================================
    function findAndActivate() {
        addLog('findAndActivate() 启动, speed=' + currentSpeed + 'x');
        function phase2() {
            if (tryFindAndPlay()) return;
            setTimeout(function() {
                if (tryFindAndPlay()) return;
                setTimeout(function() {
                    if (tryFindAndPlay()) return;
                    addLog('未找到播放器，请手动播放');
                    setPlayStatus('未找到播放器', '请手动播放');
                }, 1000);
            }, 500);
        }
        function phase1() {
            var c = $1('.video-js');
            if (c) {
                addLog('.video-js 容器已就绪');
                setTimeout(phase2, 2000);
            } else {
                setTimeout(phase1, 300);
            }
        }
        phase1();
    }

    // ================================================================
    // 播放页：Video.js播放器查找 + 播放
    // ================================================================
    function tryFindAndPlay() {
        addLog('tryFindAndPlay()');

        // 方式1：videojs.getAllPlayers()
        if (typeof videojs !== 'undefined') {
            var players = videojs.getAllPlayers();
            addLog('getAllPlayers: ' + players.length);
            if (players.length > 0) {
                playViaVideoJS(players[0]);
                return true;
            }
        } else {
            addLog('videojs 全局不存在');
        }

        // 方式2：.video-js容器下的video标签
        var c = $1('.video-js');
        if (c) {
            var vs = c.querySelectorAll('video');
            addLog('.video-js下video: ' + vs.length);
            if (vs.length > 0) {
                playNativeVideo(vs[0]);
                return true;
            }
        }

        // 方式3：页面任意video
        var v = $1('video');
        addLog('任意video: ' + (v ? '有' : '无'));
        if (v) {
            playNativeVideo(v);
            return true;
        }

        return false;
    }

    function playViaVideoJS(player) {
        addLog('playViaVideoJS()');
        if (typeof player.ready === 'function') {
            player.ready(function() { doPlay(player); });
        } else {
            doPlay(player);
        }
    }

    function doPlay(player) {
        // 获取video标签
        var v = null;
        try { v = player.tech_ && player.tech_.el_; } catch(e) {}
        if (!v || v.tagName !== 'VIDEO') {
            try { var all = player.el_.querySelectorAll('video'); if (all.length > 0) v = all[0]; } catch(e) {}
        }
        if (!v) { addLog('doPlay: 无法获取video'); startMonitor(null); return; }
        addLog('video: tag=' + v.tagName + ' readyState=' + v.readyState);
        currentVideo = v;

        // 设倍速
        try { player.playbackRate(currentSpeed); addLog('player.rate -> ' + currentSpeed + 'x'); } catch(e) {}
        try { v.playbackRate = currentSpeed; addLog('v.rate -> ' + currentSpeed + 'x'); } catch(e) {}

        // 锁定playbackRate
        lockRate(v, currentSpeed);

        // 点击大按钮建立用户互动
        clickBigPlayButton();

        // 播放
        try {
            player.play().then(function() {
                addLog('player.play() OK');
                startMonitor(v);
            }).catch(function(e) {
                addLog('player.play() 阻止: ' + e.message.substring(0, 50));
                startMonitor(v);
            });
        } catch(e) {
            addLog('player.play() 异常: ' + e.message);
            startMonitor(v);
        }
    }

    function playNativeVideo(v) {
        addLog('playNativeVideo() readyState=' + v.readyState);
        currentVideo = v;
        lockRate(v, currentSpeed);
        clickBigPlayButton();
        v.play().then(function() {
            addLog('v.play() OK');
            startMonitor(v);
        }).catch(function(e) {
            addLog('v.play() 阻止: ' + e.message.substring(0, 50));
            startMonitor(v);
        });
    }

    function lockRate(video, speed) {
        if (!video) return;
        try {
            Object.defineProperty(video, 'playbackRate', {
                get: function() { return speed; },
                set: function(v2) { /* 忽略外部设置，保持倍速 */ }
            });
            video.playbackRate = speed;
            addLog('lockRate OK');
        } catch(e) {
            addLog('lockRate失败，用轮询同步');
            var si = setInterval(function() {
                if (!document.contains(video)) { clearInterval(si); return; }
                if (Math.abs(video.playbackRate - speed) > 0.05) {
                    video.playbackRate = speed;
                }
            }, 3000);
            video._rateSync = si;
        }
    }

    function clickBigPlayButton() {
        var btn = $1('.vjs-big-play-button');
        if (!btn) { addLog('clickBtn: 不存在'); return; }
        try {
            btn.dispatchEvent(new MouseEvent('click', { bubbles: true, cancelable: true }));
            addLog('已点击大播放按钮');
        } catch(e) { addLog('点击失败: ' + e.message); try { btn.click(); addLog('btn.click() 备用成功'); } catch(e2) { addLog('btn.click() 也失败'); } }
    }

    // ================================================================
    // 播放页：视频播放 + 倍速 + 关闭逻辑
    // 策略：
    //   1. 有多个视频 → 都监控，暂停就点播放
    //   2. 进度100%不代表完成 → 等"已经是最后一个任务了"出现才算完成
    // ================================================================
    var currentSpeed = 2;
    var currentVideo = null;
    var monitorTimer = null;

    function changeSpeed(dir) {
        var speeds = [1, 1.5, 2, 3, 5];
        var idx = speeds.indexOf(currentSpeed);
        var newIdx = Math.max(0, Math.min(speeds.length - 1, idx + dir));
        currentSpeed = speeds[newIdx];
        setCfg(K_SPEED, currentSpeed);
        var el = $1('#ah5-speed');
        if (el) el.value = String(currentSpeed);
        if (typeof videojs !== 'undefined') {
            videojs.getAllPlayers().forEach(function(p) {
                try { p.playbackRate(currentSpeed); } catch(e) {}
            });
        }
        addLog('倍速: ' + currentSpeed + 'x');
    }

    // 关闭播放页
    async function doClose() {
        if (monitorTimer) { clearInterval(monitorTimer); monitorTimer = null; }
        var cursor = cfg(K_CURSOR, 0);
        cursor++;
        setCfg(K_CURSOR, cursor);
        setCfg(K_RUNNING, false);
        setCfg(K_PHASE, 'done');
        addLog('cursor -> ' + cursor + '，准备关闭');
        await sleep(500);
        window.close();
    }

    // 检测"最后一个任务"提示
    function checkLastTaskHint() {
        var all = document.querySelectorAll('*');
        for (var i = 0; i < all.length; i++) {
            var el = all[i];
            if (el.children.length > 0) continue;
            var txt = (el.textContent || '').replace(/\s+/g, '');
            if (txt.indexOf('已经是最后一个任务了') !== -1) return true;
        }
        return false;
    }

    // 获取所有视频
    function getAllVideos() {
        var vs = [];
        document.querySelectorAll('video').forEach(function(v) {
            if (document.contains(v)) vs.push(v);
        });
        return vs;
    }

    // 监控循环（每2秒）
    function monitorTick() {
        var videos = getAllVideos();
        if (videos.length === 0) {
            addLog('无video元素');
            setPlayStatus('等待视频加载...', '');
            return;
        }

        var totalDur = 0, totalCur = 0, allEnded = true, allPaused = true;
        videos.forEach(function(v) {
            totalDur += v.duration || 0;
            totalCur += v.currentTime || 0;
            if (v.duration > 5) {
                if (!v.ended && v.currentTime < v.duration - 0.5) allEnded = false;
                if (!v.paused) allPaused = false;
            }
        });
        var pct = totalDur > 0 ? Math.round(totalCur / totalDur * 100) : 0;
        var hint = allEnded ? ' [全部播完]' : '';
        setPlayStatus('🎬 ' + currentSpeed + 'x' + hint, '已看 ' + pct + '% (' + videos.length + '个)');
        setPlayProgress(pct);

        // 信号1：最后一个任务提示
        if (checkLastTaskHint()) {
            addLog('检测到"最后一个任务"，全部完成！');
            setPlayStatus('✅ 全部完成！5秒后关闭...', '');
            setTimeout(function() { doClose(); }, 5000);
            return;
        }

        // 信号2：视频暂停 → 点击播放
        if (allPaused && !allEnded) {
            addLog('视频暂停，点击播放');
            clickBigPlayButton();
            if (typeof videojs !== 'undefined') {
                videojs.getAllPlayers().forEach(function(p) { try { p.play(); } catch(e) {} });
            }
        }

        // 信号3：所有视频播完但没提示 → 等提示
        if (allEnded && videos[0].duration > 5) {
            addLog('视频全部播完，等提示出现...');
            setPlayStatus('⏳ 等最后一个任务提示...', '');
            if (typeof videojs !== 'undefined') {
                videojs.getAllPlayers().forEach(function(p) { try { p.play(); } catch(e) {} });
            }
        }
    }

    function startMonitor(video) {
        if (monitorTimer) clearInterval(monitorTimer);
        if (video) {
            currentVideo = video;
        } else if (currentVideo && document.contains(currentVideo)) {
            video = currentVideo;
        } else {
            addLog('monitor: 无video，等待...');
            setTimeout(function() { startMonitor(null); }, 1000);
            return;
        }

        if (video._rateSync) { clearInterval(video._rateSync); video._rateSync = null; }
        // 重新锁定
        try {
            Object.defineProperty(video, 'playbackRate', {
                get: function() { return currentSpeed; },
                set: function() {}
            });
        } catch(e) {}
        addLog('startMonitor OK, videos=' + getAllVideos().length);
        monitorTimer = setInterval(monitorTick, 2000);
    }

    if (document.readyState === 'complete') setTimeout(init, 800);
    else window.addEventListener('load', function() { setTimeout(init, 800); });
})();