// ==UserScript==
// @name         华医网视频自动播放自动切换下一个
// @namespace    https://jiaobenmiao.com/
// @version      1.0.1
// @description  华医网视频自动播放下一集  屏蔽弹窗 自动签到  静音播放  悬浮面板 有问题可留言反馈，看到会及时更新
// @author       原作者dennischancs    修改人蓝色魔宙
// @match        *://*.91huayi.com/*
// @grant        none
// @license      MIT
// ==/UserScript==
(function () {
    'use strict';

    let clock = null;
    let timeCheckInterval = null;
    let isExpanded = false;
    const currentSpeed = 1.0;
    const urlTip = window.location.pathname.split('/').pop().split('?')[0];

    // 安全JSON解析
    function safeParseJSON(jsonString, defaultValue = null) {
        try {
            if (!jsonString || jsonString.trim() === '') return defaultValue;
            return JSON.parse(jsonString);
        } catch (e) {
            console.warn('JSON解析错误:', e);
            return defaultValue;
        }
    }

    // 元素可见判断
    function isElementVisible(element) {
        if (!element) return false;
        const style = window.getComputedStyle(element);
        const rect = element.getBoundingClientRect();
        return style.display !== 'none' &&
               style.visibility !== 'hidden' &&
               style.opacity !== '0' &&
               rect.width > 0 && rect.height > 0 &&
               element.offsetParent !== null;
    }

    // 初始化
    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', () => {
            createFixedPopup();
            init();
        });
    } else {
        createFixedPopup();
        init();
    }

    function init() {
        createPanel();
        if (urlTip.includes('course_ware')) {
            setPanelStatus('playing');
            saveCourseList();
            initVideo(0);
        } else if (urlTip == 'face.aspx') {
            setPanelStatus('face');
            setTimeout(() => location.reload(), 5 * 60 * 1000);
        } else if (urlTip == 'course.aspx' || urlTip == 'cme.aspx') {
            setPanelStatus('list');
            saveCourseList();
            setTimeout(() => location.reload(), 5 * 60 * 1000);
        } else if (urlTip == 'exam_result.aspx') {
            setPanelStatus('exam');
            initExamPage();
        } else {
            setPanelStatus('error');
        }
    }

    // 视频初始化（无播放器切换）
    function initVideo(type) {
        blockPopups();
        simulateUserActivity();
        window.onload = () => { clock = setInterval(checkVideoStatus, 3000); };
        setTimeout(() => {
            try {
                const video = document.querySelector('video');
                if (video) {
                    video.muted = true;
                    video.defaultMuted = true;
                    video.playbackRate = 1.0;
                    video.addEventListener('ended', () => {
                        console.log('视频自然结束');
                        setTimeout(checkVideoStatus, 100);
                    });
                }
            } catch (e) { console.log('播放器初始化错误:', e); }
        }, 8000);
        window.addEventListener('beforeunload', () => {
            clearInterval(clock);
            clearInterval(timeCheckInterval);
        });
    }

    // 保存课程列表
    function saveCourseList() {
        const courses = [];
        const items = document.querySelectorAll('.lis-inside-content, .r .lis, a[onclick*="cwid"]');
        items.forEach((item, idx) => {
            const title = item.querySelector('h2, h3, .title, a')?.textContent.trim();
            const status = item.querySelector('button, .status')?.textContent.trim() || '未知';
            const onclick = item.getAttribute('onclick') || item.querySelector('[onclick*="cwid"]')?.getAttribute('onclick');
            const cwid = onclick?.match(/cwid=([^'"\)]+)/)?.[1];
            if (cwid && title) courses.push({ title, status, cwid, index: idx });
        });
        if (courses.length > 0) {
            localStorage.setItem('huayi_course_list', JSON.stringify(courses));
            console.log(`已保存 ${courses.length} 个课程`);
        }
    }

    // 视频状态检测
    function checkVideoStatus() {
        try {
            let state = null;
            const stateEl = document.querySelector("i[id='top_play']");
            if (stateEl) {
                state = stateEl.parentNode?.nextElementSibling?.nextElementSibling?.nextElementSibling?.innerText;
            }
            if (!state) {
                document.querySelectorAll('button, .state').forEach(btn => {
                    const text = btn.textContent;
                    if (text?.includes('已完成') || text?.includes('待考试')) state = text.trim();
                });
            }
            const video = document.querySelector('video');
            if (video && video.ended) {
                const isLearning = !state || state.includes('学习中') || state.includes('未学习');
                if (isLearning) {
                    console.log('播放完成，5秒后跳转');
                    setPanelStatus('completed');
                    clearInterval(clock);
                    setTimeout(() => proceedToNext(), 5000);
                    return;
                }
            }
            if (state == '已完成') {
                console.log('已完成，准备跳转');
                setPanelStatus('completed');
                clearInterval(clock);
                setTimeout(() => proceedToNext(), 2000);
            } else if (state == '待考试') {
                console.log('待考试，5秒后跳转');
                clearInterval(clock);
                setTimeout(() => proceedToNext(), 5000);
            }
        } catch (e) { console.log('状态检测错误:', e); }
    }

    // 跳转到下一课
    function proceedToNext() {
        const courses = safeParseJSON(localStorage.getItem('huayi_course_list'), []);
        const currentCwid = new URLSearchParams(location.search).get('cwid');
        const currentIdx = courses.findIndex(c => c.cwid === currentCwid);
        const isIncomplete = s => !s || (!s.toLowerCase().includes('已完成') && !s.toLowerCase().includes('完成'));
        let nextCourse = null;
        for (let i = currentIdx + 1; i < courses.length; i++) {
            if (isIncomplete(courses[i].status)) { nextCourse = courses[i]; break; }
        }
        if (!nextCourse) {
            for (let i = 0; i < currentIdx; i++) {
                if (isIncomplete(courses[i].status)) { nextCourse = courses[i]; break; }
            }
        }
        if (nextCourse) {
            console.log('跳转到：' + nextCourse.title);
            setTimeout(() => location.href = `course_ware.aspx?cwid=${nextCourse.cwid}`, 1000);
        } else {
            console.log('无下一课，刷新');
            setTimeout(() => location.reload(), 2000);
        }
    }

    // 屏蔽弹窗 + 自动签到
    function blockPopups() {
        setInterval(() => {
            try {
                if (typeof $ !== 'undefined') {
                    if ($('.pv-ask-head').length) $('.pv-ask-skip').click();
                    if ($('.signBtn,.btn_sign').length) $('.signBtn,.btn_sign').click();
                    $("button[onclick='closeBangZhu()']").click();
                    $('.ccSignWrapBtn:visible').click();
                }
                const video = document.querySelector('video');
                const state = document.querySelector("i[id='top_play']")?.parentNode?.nextElementSibling?.nextElementSibling?.nextElementSibling?.innerText;
                if (video?.paused && state != '已完成' && state != '待考试') {
                    video.play(); video.muted = true;
                }
            } catch (e) {}
        }, 10000);

        setInterval(() => {
            try {
                const ccSign = document.querySelector('.ccSignWrap:visible .ccSignWrapBtn');
                if (ccSign) ccSign.click();
                document.querySelectorAll('button,a').forEach(btn => {
                    const t = btn.textContent?.trim();
                    if (t && (t.includes('签到') || t.includes('点击签到')) && isElementVisible(btn)) btn.click();
                });
            } catch (e) {}
        }, 2000);
    }

    // 模拟用户行为
    function simulateUserActivity() {
        const getVideoArea = () => {
            const v = document.querySelector('video');
            return v ? v.getBoundingClientRect() : {
                x: innerWidth * 0.2, y: innerHeight * 0.2,
                width: innerWidth * 0.6, height: innerHeight * 0.6
            };
        };
        const move = () => {
            const r = getVideoArea();
            for (let i = 0; i < 3; i++) {
                setTimeout(() => {
                    const x = r.x + Math.random() * r.width;
                    const y = r.y + Math.random() * r.height;
                    document.dispatchEvent(new MouseEvent('mousemove', {
                        bubbles: true, clientX: x, clientY: y
                    }));
                }, i * 200);
            }
        };
        const schedule = () => {
            setTimeout(() => { move(); schedule(); }, Math.random() * 300000 + 300000);
        };
        setTimeout(schedule, Math.random() * 60000 + 30000);
    }

    // 考试页处理
    function initExamPage() {
        const click = () => {
            document.querySelectorAll('button,a').forEach(b => {
                if (b.textContent?.includes('立即学习')) b.click();
            });
        };
        setTimeout(click, 2000);
        setInterval(click, 30000);
    }

    // ==================== 悬浮面板 ====================
    function createPanel() {
        if (self !== top) return;
        const p = document.createElement('div');
        p.id = 'huayi-panel';
        p.style.cssText = `
            position:fixed;top:20px;right:20px;width:40px;height:40px;
            background:#4CAF50;border-radius:50%;box-shadow:0 2px 8px rgba(0,0,0,0.2);
            z-index:99999;cursor:pointer;display:flex;align-items:center;justify-content:center;
            font-size:20px;color:white;
        `;
        document.body.appendChild(p);
        p.onclick = e => { e.stopPropagation(); togglePanel(); };
        document.onclick = () => isExpanded && collapsePanel();
    }

    function togglePanel() { isExpanded ? collapsePanel() : expandPanel(); }

    function expandPanel() {
        const p = document.getElementById('huayi-panel');
        isExpanded = true;
        p.style.cssText = `
            position:fixed;top:20px;right:20px;width:260px;height:auto;
            background:#4CAF50;border-radius:8px;box-shadow:0 4px 12px rgba(0,0,0,0.3);
            z-index:99999;padding:12px;font-size:12px;color:white;
        `;
        const courses = safeParseJSON(localStorage.getItem('huayi_course_list'), []);
        const cwid = new URLSearchParams(location.search).get('cwid');
        const cur = courses.find(c => c.cwid === cwid);
        const status = p.getAttribute('data-status') || 'init';
        const map = { init:'初始化', playing:'播放中', completed:'已完成', face:'刷脸中', list:'课程列表', exam:'考试处理', error:'未适配' };
        p.innerHTML = `
            <div style="font-weight:bold;margin-bottom:8px;">华医网自动播放脚本</div>
            <div>状态: ${map[status]}</div>
            <div style="margin:4px 0;font-size:10px">速度: 1.0x</div>
            ${cur ? `<div style="font-size:10px">当前: ${cur.title.slice(0,16)}...</div>` : ''}
            <div style="font-size:10px;margin-top:4px">课程数: ${courses.length}</div>
            <button id="nextBtn" style="width:100%;padding:6px;margin-top:10px;background:rgba(255,255,255,0.2);border:1px solid #fff;border-radius:4px;color:white">
                手动跳转下一课
            </button>
        `;
        document.getElementById('nextBtn').onclick = e => { e.stopPropagation(); proceedToNext(); };
    }

    function collapsePanel() {
        const p = document.getElementById('huayi-panel');
        isExpanded = false;
        p.style.cssText = `
            position:fixed;top:20px;right:20px;width:40px;height:40px;
            background:#4CAF50;border-radius:50%;box-shadow:0 2px 8px rgba(0,0,0,0.2);
            z-index:99999;cursor:pointer;display:flex;align-items:center;justify-content:center;
            font-size:20px;color:white;
        `;
        setPanelStatus(p.getAttribute('data-status') || 'init');
        p.onclick = e => { e.stopPropagation(); togglePanel(); };
    }

    function setPanelStatus(status) {
        const p = document.getElementById('huayi-panel');
        if (!p) return;
        p.setAttribute('data-status', status);
        if (isExpanded) return;
        const cfg = {
            init: { c:'#9E9E9E', i:'⚪' }, playing: { c:'#4CAF50', i:'▶️' },
            completed: { c:'#2196F3', i:'✅' }, face: { c:'#FF9800', i:'👤' },
            list: { c:'#9C27B0', i:'📋' }, exam: { c:'#FF5722', i:'📝' },
            error: { c:'#F44336', i:'❌' }
        };
        const { c, i } = cfg[status] || cfg.init;
        p.style.background = c;
        p.textContent = i;
    }
})();