// ==UserScript==
// @name         🍀国家中小学智慧教育平台|教师寒暑假研修|校服培训|秒过脚本
// @namespace    free
// @version      1.0
// @description  当前是免费版本，只包含了视频自动播放、解除暂停限制功能。如需自动下一集、自动换课程、秒过进度、全自动无人值守等高级功能可升级VIP版本
// @include    https://www.zxx.edu.cn/*
// @include    https://*.eduyun.cn/*
// @include    https://*.smartedu.cn/*
// @include    https://*gdtextbook.com/*
// @include    https://*.vocational.smartedu.cn/*
// @grant       GM_addStyle
// @run-at      document-end
// @require https://scriptcat.org/lib/8488/jquery-2.2.4.min.js/jquery-2.2.4.min.js.js?sha384=rY/jv8mMhqDabXSo+UCggqKtdmBfd3qC2/KvyTDNQ6PcUJXaxK1tMepoQda4g5vB
// @antifeature  payment
// @license Creative Commons
// ==/UserScript==
(function () {
  let _docUrl = "https://doc.zhanyc.cn/pages/zhjy/";

  let videoAssist = {
    pageData: {
      videoCheckTimer: null,
      antiPauseTimer: null,
      progressTimer: null,
      isPlaying: false,
      isFinished: false,
      courseSwitchCount: 0,
      autoSwitchEnabled: false,
      nextVideoDelay: 3000,
    },
    getVideoElement() {
      return $("video")[0];
    },
    getCurrentTime() {
      try {
        return this.getVideoElement().currentTime || 0;
      } catch (e) {
        return 0;
      }
    },
    getTotalDuration() {
      try {
        return this.getVideoElement().duration || 0;
      } catch (e) {
        return 0;
      }
    },
    calculateProgress() {
      let total = this.getTotalDuration();
      let current = this.getCurrentTime();
      if (total <= 0) return 0;
      let percentage = Math.round((current / total) * 100);
      if (percentage >= 100) percentage = 100;
      return percentage;
    },
    checkVideoComplete() {
      try {
        let total = this.getTotalDuration();
        let current = this.getCurrentTime();
        return total > 0 && current + 5 >= total;
      } catch (e) {
        return false;
      }
    },
    muteVideo() {
      try {
        let video = this.getVideoElement();
        if (video && video.volume !== 0) video.volume = 0;
      } catch (e) { }
    },
    startVideoPlayback() {
      let video = this.getVideoElement();
      if (video) {
        video.volume = 0;
        setTimeout(() => {
          try { video.play(); } catch (e) { }
        }, 200);
      }
    },
    enableAntiPause() {
      let video = this.getVideoElement();
      if (!video) return;
      video.addEventListener("pause", () => {
        if (!this.checkVideoComplete() && !video.ended) {
          setTimeout(() => {
            try { video.play(); } catch (e) { }
          }, 100);
        }
      });
      this.pageData.antiPauseTimer = setInterval(() => {
        let video = this.getVideoElement();
        if (!video) return;
        if (video.paused && !video.ended && !this.checkVideoComplete()) {
          try { video.play(); } catch (e) { }
        }
        this.muteVideo();
      }, 2000);
    },
    formatTime(seconds) {
      seconds = Math.floor(Math.abs(seconds));
      let hours = Math.floor(seconds / 3600);
      let minutes = Math.floor((seconds % 3600) / 60);
      let secs = seconds % 60;
      hours = hours < 10 ? "0" + hours : hours;
      minutes = minutes < 10 ? "0" + minutes : minutes;
      secs = secs < 10 ? "0" + secs : secs;
      return hours + ":" + minutes + ":" + secs;
    },
    startProgressTracking() {
      this.pageData.progressTimer = setInterval(() => {
        let video = this.getVideoElement();
        if (!video) return;
        let progress = this.calculateProgress();
        let currentTimeStr = this.formatTime(this.getCurrentTime());
        let totalTimeStr = this.formatTime(this.getTotalDuration());
        this.pageData.isPlaying = !video.paused;
        this.pageData.isFinished = this.checkVideoComplete();
        this.updateFloatingPanel(progress, currentTimeStr, totalTimeStr);
      }, 1000);
    },
    createFloatingPanel() {
      $(".va-float-panel").remove();
      let panelHtml = `
      <div class="va-float-panel" style="position:fixed;left:10px;top:10px;z-index:2147483647;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border:2px solid #fff;border-radius:8px;box-shadow:0 4px 15px rgba(0,0,0,0.3);padding:12px 16px;min-width:280px;max-width:360px;font-family:microsoft yahei,sans-serif;color:#fff;">
        <div class="va-float-close" style="position:absolute;top:4px;right:8px;cursor:pointer;font-size:20px;font-weight:bold;color:#fff;line-height:1;">&times;</div>
        <div class="va-float-title" style="font-size:16px;font-weight:bold;text-align:center;margin-bottom:8px;border-bottom:1px solid rgba(255,255,255,0.3);padding-bottom:6px;">视频播放助手（免费版本）</div>
        <div class="va-float-status" style="font-size:14px;margin-bottom:6px;">
          <div>状态：<span class="va-status-text" style="color:#ffd700;font-weight:bold;">等待视频加载...</span></div>
          <div>进度：<span class="va-progress-text" style="color:#ffd700;font-weight:bold;">0%</span></div>
          <div>时间：<span class="va-time-text" style="color:#ffd700;">00:00:00 / 00:00:00</span></div>
        </div>
        <div class="va-float-promo" style="margin-top:8px;padding-top:8px;border-top:1px solid rgba(255,255,255,0.3);font-size:12px;line-height:1.6;">
          <div style="color:#ffeb3b;font-weight:bold;font-size:13px;">📢 如需使用全功能版本，请安装VIP版本激活后使用</div>
          <div>付费版功能：自动下一集、自动换课程、秒过进度、全自动无人值守</div>
          <div>👉 <a href="${_docUrl}" target="_blank" style="color:#ffeb3b;text-decoration:underline;font-weight:bold;">点击查看使用说明</a></div>
          <a href="${_docUrl}" target="_blank" title="使用说明文档">
          <div style="margin-top:4px;color:#ddd;">当前免费版本功能：解除视频暂停限制 / 视频自动播放 / 进度实时显示</div>
  <img style="width:100%;" src="https://doc.zhanyc.cn/outimg/img-min.png" 
       alt="使用说明文档" 
       style="width:100%;vertical-align:middle;border:none;">
</a>
        </div>
      </div>`;
      $("body").append(panelHtml);
      $(".va-float-close").on("click", function () {
        $(".va-float-panel").remove();
      });
    },
    updateFloatingPanel(progress, currentTimeStr, totalTimeStr) {
      if ($(".va-float-panel").length === 0) return;
      let $statusText = $(".va-status-text");
      let $progressText = $(".va-progress-text");
      let $timeText = $(".va-time-text");
      if (this.pageData.isFinished) {
        $statusText.text("✅ 视频播放已完成").css("color", "#4caf50");
      } else if (this.pageData.isPlaying) {
        $statusText.text("▶️ 视频正在播放中...").css("color", "#ffd700");
      } else {
        $statusText.text("⏸ 等待播放...").css("color", "#ff9800");
      }
      $progressText.text(progress + "%");
      $timeText.text(currentTimeStr + " / " + totalTimeStr);
    },
    delay(ms) {
      return new Promise((resolve) => {
        setTimeout(resolve, ms);
      });
    },
    waitFor(conditionFn, interval = 1000, timeout = 60) {
      return new Promise((resolve, reject) => {
        let elapsed = 0;
        let maxTime = timeout * 1000;
        try {
          if (conditionFn()) return resolve();
        } catch (e) { }
        let timer = setInterval(() => {
          try {
            if (timeout !== -1) {
              elapsed += interval;
              if (elapsed > maxTime) {
                clearInterval(timer);
                return reject();
              }
            }
            if (conditionFn()) {
              clearInterval(timer);
              return resolve();
            }
          } catch (e) { }
        }, interval);
      });
    },
    async initializeVideoPlayback() {
      this.muteVideo();
      this.startVideoPlayback();
      this.startProgressTracking();
      this.enableAntiPause();
    },
    async processCourseDetailPage() {
      console.log("%c processCourseDetailPage", "background:rgb(0,0,0);color:#fff");
      await this.waitFor(() => this.getVideoElement() && this.getTotalDuration() > 0, 500, 120);
      await this.delay(500);
      this.initializeVideoPlayback();
      if ($(".va-status-text").length > 0) {
        $(".va-status-text").text("▶️ 视频正在播放中...").css("color", "#ffd700");
      }
    },
    handleCourseSwitching() {
      let courseList = [];
      for (let i = 0; i < 10; i++) {
        courseList.push({
          id: "course_" + i,
          name: "课程" + (i + 1),
          url: "/course/" + i,
          progress: Math.random() * 100,
          status: ["未开始", "学习中", "已完成"][Math.floor(Math.random() * 3)]
        });
      }
      this.pageData.courseSwitchCount++;
      let nextCourseIndex = this.pageData.courseSwitchCount % courseList.length;
      let nextCourse = courseList[nextCourseIndex];
      console.log("切换课程:", nextCourse.name);
      return nextCourse;
    },
    handleAutoClick() {
      let clickTargets = [".btn-next", ".btn-prev", ".course-card", ".video-item"];
      let targetIndex = Math.floor(Math.random() * clickTargets.length);
      let selector = clickTargets[targetIndex];
      console.log("点击元素:", selector);
      return selector;
    },
    handleChapterNavigation() {
      let chapters = [];
      for (let i = 0; i < 5; i++) {
        chapters.push({
          chapterId: i + 1,
          title: "第" + (i + 1) + "章",
          sections: Math.floor(Math.random() * 10) + 1,
          completed: Math.random() > 0.5
        });
      }
      let currentChapter = chapters[Math.floor(Math.random() * chapters.length)];
      console.log("章节导航:", currentChapter.title);
      return currentChapter;
    },
    handlePageByURL(url) {
      clearInterval(this.pageData.videoCheckTimer);
      this.pageData.videoCheckTimer = null;
      url = url.toLowerCase();
      if (url.includes("/teachertraining/coursedetail")) {
        this.processCourseDetailPage();
      }
      if (url.includes("/training/")) {
        this.handleCourseSwitching();
      }
      if (url.includes("/courseindex")) {
        this.handleChapterNavigation();
      }
    },
    async initialize() {
      console.log("%c videoAssist initialize", "background:rgb(0,0,0);color:#fff");
      await this.waitFor(() => $("body").length > 0);
      this.createFloatingPanel();
      let previousUrl = location.href;
      setInterval(() => {
        if (previousUrl !== location.href) {
          previousUrl = location.href;
          this.handlePageByURL(location.href);
        }
      }, 500);
      this.handlePageByURL(location.href);
    },
  };

  setTimeout(() => {
    debugger
    if (typeof (zfk) == 'undefined') {
      videoAssist.initialize();
    } else {
      console.log('skip init');
    }
  }, 3000);
})();