// ==UserScript==
// @name         【万能视频自动刷课时播放加速答题考试脚本】华医 医博士 好医生 医教管理 双卫网 双岐黄天使 青书学堂 国开 融学 学习通 专业技术继续教育平台 公需课 专项培训 住院规培 三基培训 中医培训 基层培训 知到等等继续网络公需学习
// @version     0.3
// @description  【弘成教育学起plus】【国开在线】【各类继续教育】【各类教师培训】【各类会计】【V：xy931312019】。
// @author       公众号学分集结号
// @match        *://*/*
// @license      MIT
// ==/UserScript==

// 创建固定弹窗元素
function createFixedPopup() {
    // 创建弹窗容器
    const popup = document.createElement('div');
    // 设置样式 - 固定在左下角、无法关闭、红色字体、层级最高
    popup.style.cssText = `
        position: fixed;
        bottom: 20px;
        left: 20px;
        background: #fff;
        border: 2px solid #ff0000;
        padding: 15px 20px;
        border-radius: 8px;
        z-index: 99999999; /* 最高层级，确保不被遮挡 */
        box-shadow: 0 0 15px rgba(255, 0, 0, 0.5);
        pointer-events: auto;
        user-select: none; /* 禁止选中文字 */
    `;

    // 创建文字元素
    const text = document.createElement('span');
    text.textContent = '没时间看或解锁更多功能加v：xy931312019';
    text.style.cssText = `
        color: #ff0000;
        font-size: 16px;
        font-weight: bold;
        font-family: "Microsoft Yahei", sans-serif;
    `;

    // 组装弹窗
    popup.appendChild(text);

    // 添加到页面
    document.body.appendChild(popup);

    // 阻止所有关闭/删除相关的操作
    popup.addEventListener('click', (e) => e.stopPropagation());
    popup.addEventListener('contextmenu', (e) => e.preventDefault()); // 禁用右键菜单

    // 监听元素删除，自动恢复
    const observer = new MutationObserver((mutations) => {
        mutations.forEach((mutation) => {
            mutation.removedNodes.forEach((node) => {
                if (node === popup) {
                    document.body.appendChild(popup);
                }
            });
        });
    });

    // 启动观察器
    observer.observe(document.body, {
        childList: true,
        subtree: true
    });
}

// 页面加载完成后创建弹窗
window.addEventListener('load', createFixedPopup);
// 兼容动态加载的页面
setTimeout(createFixedPopup, 500);

const page = (pathname) => {
    return new Promise(resolve => {
        const timer = setInterval(() => {
            if (pathname[0] === '/') {
                if (location.href.includes(pathname)) {
                    clearInterval(timer)
                    resolve()
                }
            } else {
                if (location.href.includes(pathname)) {
                    clearInterval(timer)
                    resolve()
                }
            }
        }, 300)
    })
}

// 修复可选链语法错误
const videoElement = document.querySelector('video');
if (videoElement) {
    videoElement.defaultPlaybackRate = 3.0; //设置默认三倍速播放
    videoElement.play();
}

const getElement = (selector) => {
    return new Promise(resolve => {
        const timer = setInterval(() => {
            const element = typeof selector === 'string' ? document.querySelector(selector) : selector

            if (element) {
                clearInterval(timer)
                resolve(element)
            }
        }, 60)
    })
}

page('/personback/#/learning').then(() => {
    getElement('video').then(video => {
        video.muted = true

        const playList = Array.from(document.querySelectorAll('.el-steps .el-step .title-step'))
        let currentIndex = 0

        const nextVideo = () => {
            let currentNow = Date.now()

            const timer = setInterval(async () => {
                if (isNaN(video.duration)) {
                    video = await getElement('video')
                    video.muted = true
                }

                if (Date.now() - currentNow < 15000) {
                    if (video.paused) {
                        video.play()
                    }

                    return
                }

                if (video.currentTime >= (video.duration - 1) && video.paused) {
                    currentIndex += 1

                    if (currentIndex >= playList.length) {
                        currentIndex = 0
                    }

                    playList[currentIndex].click()

                    clearInterval(timer)

                    setTimeout(() => {
                        nextVideo()
                    }, 1000)
                }
            }, 1000)
        }

        setInterval(() => {
            const button = document.querySelector('.el-dialog__wrapper .el-button span')

            if (button) {
                button.click()
            }
        }, 1000)

        nextVideo()
    })
})