深圳市教师教育网刷课脚本分享

(function() {
    'use strict';
    
    const SCRIPT_NAME = '深圳市教师教育网刷课脚本';
    const VERSION = '2.0.0';
    const DEBUG = true;
    
    function debug(...args) {
        if (DEBUG) {
            console.log(`[${SCRIPT_NAME}]`, ...args);
        }
    }
    
    debug(`${SCRIPT_NAME} v${VERSION} 已加载`);
    
    const originalCreateElement = document.createElement;
    let videoElements = [];
    let adDetected = false;
    
    function init() {
        bypassVisibilityDetection();
        monitorVideoElements();
        autoAnswerQuestions();
        skipAds();
        simulateUserActivity();
        setupKeyboardShortcuts();
        overrideVideoControls();
    }
    
    function bypassVisibilityDetection() {
        const originalAddEventListener = EventTarget.prototype.addEventListener;
        EventTarget.prototype.addEventListener = function(type, listener, options) {
            if (type === 'visibilitychange' || type === 'pagehide' || type === 'blur') {
                debug(`拦截了 ${type} 事件`);
                return;
            }
            return originalAddEventListener.call(this, type, listener, options);
        };
        
        Object.defineProperty(document, 'hidden', {
            value: false,
            writable: false,
            configurable: false
        });
        
        Object.defineProperty(document, 'visibilityState', {
            value: 'visible',
            writable: false,
            configurable: false
        });
        
        window.onblur = null;
        window.onfocus = () => debug('窗口获得焦点');
        
        debug('页面可见性检测已绕过');
    }
    
    function monitorVideoElements() {
        const observer = new MutationObserver((mutations) => {
            mutations.forEach((mutation) => {
                mutation.addedNodes.forEach((node) => {
                    if (node.tagName === 'VIDEO') {
                        processVideo(node);
                    } else if (node.querySelectorAll) {
                        const videos = node.querySelectorAll('video');
                        videos.forEach(video => processVideo(video));
                    }
                });
            });
        });
        
        observer.observe(document.body, {
            childList: true,
            subtree: true
        });
        
        document.querySelectorAll('video').forEach(video => processVideo(video));
    }
    
    function processVideo(video) {
        if (videoElements.includes(video)) return;
        videoElements.push(video);
        debug('发现新的视频元素');
        
        video.muted = false;
        video.volume = 1;
        
        Object.defineProperty(video, 'playbackRate', {
            configurable: true,
            get: () => 2.0,
            set: () => {}
        });
        
        video.addEventListener('pause', (e) => {
            if (!adDetected) {
                debug('视频被暂停，尝试恢复');
                setTimeout(() => video.play(), 100);
            }
        });
        
        video.addEventListener('ended', () => {
            debug('视频播放结束，切换下一课');
            goToNextLesson();
        });
        
        video.addEventListener('waiting', () => {
            debug('视频缓冲中...');
        });
        
        if (video.paused) {
            video.play().catch(err => debug('自动播放失败:', err));
        }
        
        setInterval(() => {
            if (video.paused && !video.ended && !adDetected) {
                video.play().catch(err => {});
            }
        }, 1000);
    }
    
    function autoAnswerQuestions() {
        setInterval(() => {
            const quizElements = document.querySelectorAll('.quiz, .question, .test');
            quizElements.forEach(quiz => {
                const options = quiz.querySelectorAll('input[type="radio"], input[type="checkbox"], button.option');
                if (options.length > 0) {
                    debug('发现题目，自动选择答案');
                    const randomOption = options[Math.floor(Math.random() * options.length)];
                    if (randomOption.tagName === 'INPUT') {
                        randomOption.checked = true;
                    } else {
                        randomOption.click();
                    }
                    
                    const submitBtn = quiz.querySelector('button[type="submit"], .submit-btn, .confirm-btn');
                    if (submitBtn) {
                        setTimeout(() => submitBtn.click(), 500);
                    }
                }
            });
        }, 2000);
    }
    
    function skipAds() {
        setInterval(() => {
            const adSelectors = [
                '.ad-container',
                '.advertisement',
                '.video-ad',
                '.ad-overlay',
                '.skip-ad',
                '[class*="ad"]',
                '[id*="ad"]'
            ];
            
            adSelectors.forEach(selector => {
                const ads = document.querySelectorAll(selector);
                ads.forEach(ad => {
                    if (ad.offsetParent !== null) {
                        adDetected = true;
                        debug('检测到广告，尝试跳过');
                        const skipBtn = ad.querySelector('.skip-btn, [class*="skip"], button');
                        if (skipBtn) {
                            skipBtn.click();
                        }
                        ad.style.display = 'none';
                        ad.remove();
                        setTimeout(() => adDetected = false, 2000);
                    }
                });
            });
        }, 500);
    }
    
    function simulateUserActivity() {
        const activities = [
            () => {
                window.scrollBy(0, Math.random() * 10 - 5);
            },
            () => {
                const x = Math.random() * window.innerWidth;
                const y = Math.random() * window.innerHeight;
                const event = new MouseEvent('mousemove', {
                    clientX: x,
                    clientY: y,
                    bubbles: true
                });
                document.dispatchEvent(event);
            },
            () => {
                const event = new KeyboardEvent('keydown', {
                    key: 'Shift',
                    bubbles: true
                });
                document.dispatchEvent(event);
            }
        ];
        
        setInterval(() => {
            const randomActivity = activities[Math.floor(Math.random() * activities.length)];
            randomActivity();
            debug('模拟用户活动');
        }, 45000);
    }
    
    function goToNextLesson() {
        const nextSelectors = [
            '.next-lesson',
            '.next-chapter',
            '#next-btn',
            'a[class*="next"]',
            'button[class*="next"]'
        ];
        
        for (const selector of nextSelectors) {
            const nextBtn = document.querySelector(selector);
            if (nextBtn && !nextBtn.disabled) {
                debug('点击下一课按钮');
                nextBtn.click();
                return;
            }
        }
        
        const lessons = document.querySelectorAll('.lesson-list li, .chapter-list li');
        for (let i = 0; i < lessons.length; i++) {
            if (lessons[i].classList.contains('active') || lessons[i].classList.contains('current')) {
                if (lessons[i + 1]) {
                    debug('自动切换到下一课');
                    lessons[i + 1].click();
                    return;
                }
            }
        }
    }
    
    function setupKeyboardShortcuts() {
        document.addEventListener('keydown', (e) => {
            if (e.ctrlKey && e.key === ' ') {
                e.preventDefault();
                const video = document.querySelector('video');
                if (video) {
                    video.paused ? video.play() : video.pause();
                }
            }
            if (e.ctrlKey && e.key === 'ArrowRight') {
                e.preventDefault();
                goToNextLesson();
            }
        });
    }
    
    function overrideVideoControls() {
        const originalSetAttribute = Element.prototype.setAttribute;
        Element.prototype.setAttribute = function(name, value) {
            if (this.tagName === 'VIDEO' && (name === 'controls' || name === 'disablepictureinpicture')) {
                debug(`拦截了视频 ${name} 属性设置`);
                return;
            }
            return originalSetAttribute.call(this, name, value);
        };
    }
    
    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', init);
    } else {
        init();
    }
})();