朝阳区教师学习服务平台刷课脚本分享

class ChaoyangTeacherHelper {
    constructor() {
        this.options = {
            autoPlayVideo: true,
            playbackSpeed: 2.1,
            autoMuteVideo: true,
            autoNextLesson: true,
            antiDetectionMode: true,
            mainLoopDelay: 2200,
            activityDelay: 25000,
            maxRetryAttempts: 10
        };
        
        this.retryNumber = 0;
        this.setup();
    }
    
    printLog(msg) {
        console.log(`[朝阳教师学习] ${msg}`);
    }
    
    setup() {
        this.printLog('脚本初始化中...');
        
        if (document.readyState === 'loading') {
            document.addEventListener('DOMContentLoaded', () => {
                this.launch();
            });
        } else {
            this.launch();
        }
        
        this.modifyVisibility();
    }
    
    modifyVisibility() {
        document.addEventListener('visibilitychange', (e) => {
            e.stopImmediatePropagation();
        }, true);
        
        Object.defineProperty(document, 'hidden', {
            get: function() { return false; }
        });
        Object.defineProperty(document, 'visibilityState', {
            get: function() { return 'visible'; }
        });
        this.printLog('页面可见性已修改');
    }
    
    launch() {
        this.printLog('朝阳区教师学习服务平台刷课脚本已启动');
        
        setInterval(() => {
            this.runLoop();
        }, this.options.mainLoopDelay);
        
        if (this.options.antiDetectionMode) {
            setInterval(() => {
                this.simulateUserBehavior();
            }, this.options.activityDelay);
        }
    }
    
    locateVideo() {
        const selectorList = [
            'video',
            '.video-box video',
            '#player video',
            '.course-player video',
            '.media-video video',
            '[class*="video"] video',
            '[id*="player"] video'
        ];
        
        for (let index = 0; index < selectorList.length; index++) {
            const videoElement = document.querySelector(selectorList[index]);
            if (videoElement) {
                this.printLog(`找到视频元素: ${selectorList[index]}`);
                return videoElement;
            }
        }
        return null;
    }
    
    adjustVideoSettings(video) {
        if (!video) return;
        
        if (this.options.autoMuteVideo && !video.muted) {
            video.muted = true;
            this.printLog('视频已静音');
        }
        
        if (video.playbackRate !== this.options.playbackSpeed) {
            video.playbackRate = this.options.playbackSpeed;
            this.printLog(`播放速度设置为 ${this.options.playbackSpeed}x`);
        }
        
        video.addEventListener('ratechange', () => {
            if (video.playbackRate !== this.options.playbackSpeed) {
                video.playbackRate = this.options.playbackSpeed;
            }
        });
    }
    
    tryPlayVideo(video) {
        if (!video) return;
        
        if (video.paused && !video.ended) {
            this.printLog('检测到视频暂停，尝试播放');
            
            video.play().then(() => {
                this.printLog('视频播放成功');
                this.retryNumber = 0;
            }).catch(error => {
                this.printLog(`播放失败: ${error.message}`);
                this.retryNumber++;
                
                if (this.retryNumber < this.options.maxRetryAttempts) {
                    this.printLog(`尝试点击播放按钮 (${this.retryNumber}/${this.options.maxRetryAttempts})`);
                    this.triggerPlayButton();
                }
            });
        }
    }
    
    triggerPlayButton() {
        const buttonList = [
            '.play-control',
            '.video-play-btn',
            '.start-video',
            '.vjs-control',
            '.play-button',
            '#play',
            '[class*="play"]',
            'button[title*="播放"]'
        ];
        
        for (const selector of buttonList) {
            const buttonElement = document.querySelector(selector);
            if (buttonElement && buttonElement.offsetParent !== null) {
                buttonElement.click();
                this.printLog(`已点击播放按钮: ${selector}`);
                break;
            }
        }
    }
    
    navigateToNextLesson() {
        if (!this.options.autoNextLesson) return;
        
        const video = this.locateVideo();
        if (!video || !video.ended) return;
        
        this.printLog('课程播放完毕，准备切换下一课');
        
        const nextButtonList = [
            '.next-lesson-btn',
            '.next-chapter-btn',
            '.btn-next-lesson',
            '.lesson-nav-next',
            'a[title*="下一课"]',
            'a[title*="下一讲"]',
            '[class*="next"]'
        ];
        
        for (const selector of nextButtonList) {
            const buttonElement = document.querySelector(selector);
            if (buttonElement && buttonElement.offsetParent !== null) {
                buttonElement.click();
                this.printLog('已点击下一课按钮');
                break;
            }
        }
    }
    
    simulateUserBehavior() {
        if (!this.options.antiDetectionMode) return;
        
        const xPos = Math.random() * window.innerWidth;
        const yPos = Math.random() * window.innerHeight;
        
        const mouseMoveEvent = new MouseEvent('mousemove', {
            view: window,
            bubbles: true,
            cancelable: true,
            clientX: xPos,
            clientY: yPos
        });
        document.dispatchEvent(mouseMoveEvent);
        
        const keyPressEvent = new KeyboardEvent('keydown', {
            key: 'Shift',
            bubbles: true
        });
        document.dispatchEvent(keyPressEvent);
        
        if (Math.random() > 0.55) {
            window.scrollBy(0, Math.random() > 0.5 ? 50 : -50);
        }
        
        this.printLog('模拟用户行为完成');
    }
    
    runLoop() {
        const video = this.locateVideo();
        
        if (video) {
            this.adjustVideoSettings(video);
            this.tryPlayVideo(video);
            this.navigateToNextLesson();
        }
    }
}

new ChaoyangTeacherHelper();