// ==UserScript==
// @name         昊誉信息|昊誉教师研训平台|免费版|使用说明：http://doc.zhanyc.cn/pages/hyxx/
// @namespace    free
// @version      1.0
// @description  当前是免费版本，只包含了视频页面自动播放、解除视频暂停限制以及视频进度采集功能。如需自动下一集、自动换课程、考试答题、全自动无人值守高级功能可升级付费版本|接各类脚本开发、代挂任务，微信：zhanyc_cn 个人网站：http://doc.zhanyc.cn
// @include    *://*.haoyuinfo.com/*
// @grant       GM_getValue
// @grant       GM_setValue
// @grant       GM_addStyle
// @grant       GM_deleteValue
// @run-at      document-end
// @require http://libs.baidu.com/jquery/2.0.0/jquery.min.js
// @license Creative Commons
// ==/UserScript==
(function () {
  let $jq = $;
  unsafeWindow.$jq = $;
  let docUrl = "http://doc.zhanyc.cn/pages/hyxx/";

  let FREEJS = {
    pageData: {
      waitOfIndexArr: [],
      video: {
        index: null,
      },
      progressData: null,
      collectProgressFlag: false,
    },

    // ==================== 工具方法 ====================

    _waitTimeout(timeout) {
      return new Promise((resolve, reject) => {
        setTimeout(() => {
          return resolve();
        }, timeout);
      });
    },

    _waitOf(fun, interval = 1000, timeout = 180) {
      return new Promise((resolve, reject) => {
        let _timeOut = timeout * 1000;
        if (fun()) {
          return resolve();
        }
        let index = setInterval(() => {
          if (timeout != -1) {
            _timeOut -= interval;
            if (_timeOut < 0) {
              clearInterval(index);
              return reject();
            }
          }
          if (fun()) {
            clearInterval(index);
            return resolve();
          }
        }, interval);
        FREEJS.pageData.waitOfIndexArr.push(index);
      });
    },

    _abortWaitOf() {
      FREEJS.pageData.waitOfIndexArr.forEach((index) => {
        clearInterval(index);
      });
      FREEJS.pageData.waitOfIndexArr = [];
    },

    // ==================== 视频相关方法 ====================

    getVideo() {
      return $("video")[0];
    },

    play() {
      let video = FREEJS.getVideo();
      if (video) {
        video.volume = 0;
        setTimeout(() => {
          video.play();
        }, 200);
      }
    },

    setVideoVolume() {
      try {
        let video = FREEJS.getVideo();
        if (video && video.volume != 0) {
          video.volume = 0;
        }
      } catch (e) {
        console.error(e);
      }
    },

    setStep(time) {
      let video = FREEJS.getVideo();
      if (video) {
        if (time >= 0) {
          video.currentTime = time;
        } else {
          video.currentTime = video.duration + time;
        }
      }
    },

    isPlayFinish() {
      try {
        let video = FREEJS.getVideo();
        return video && video.duration > 0 && video.currentTime + 5 >= video.duration;
      } catch (e) {
        return false;
      }
    },

    async videoIsPlay() {
      return new Promise((resolve) => {
        try {
          let video = FREEJS.getVideo();
          if (!video) return resolve(false);
          let curTime = video.currentTime;
          setTimeout(() => {
            let time1 = video.currentTime;
            let res = time1 > curTime;
            if (res) {
              setTimeout(() => {
                let time2 = video.currentTime;
                resolve(time2 > time1);
              }, 100);
            } else {
              return resolve(false);
            }
          }, 100);
        } catch (e) {
          resolve(false);
        }
      });
    },

    // ==================== 进度采集 ====================

    async page_videoProgesss() {
      FREEJS._abortWaitOf();
      await FREEJS._waitOf((a) => $("#scoreTb tbody tr").length > 0);
      FREEJS.floaterShowTips("正在采集视频进度...");
      await FREEJS._waitTimeout(1000);
      let arr = [];
      $("#scoreTb tbody tr").each((i, el) => {
        let title = $(el).find("a:first").text().trim();
        let isFinish = !$(el).find("td:last").text().includes("未完成");
        arr.push({ title, isFinish });
      });
      let courseTitle = $("h3.title").text().trim();
      let progressData = { title: courseTitle, video: arr };
      // 持久化到 GM 存储，防止页面切换后数据丢失导致重复采集
      FREEJS.setGMData("progressCache", progressData);
      FREEJS.pageData.progressData = progressData;
      FREEJS.floaterShowProgress(progressData);
      FREEJS.floaterShowTips("视频进度采集完成！");
      // 返回到课程学习页面
      FREEJS.getElByText($(".m-sxtstudy-nav a"), "课程学习").click();
    },

    // ==================== 视频页面处理 ====================

    async page_video() {
      clearInterval(FREEJS.pageData.video.index);
      FREEJS.pageData.video.index = null;
      FREEJS._abortWaitOf();
      await FREEJS._waitOf((a) => FREEJS.getElByText($("a"), "学习进度") != null);
      let title = $("h3.title").text().trim();

      // 先从 GM 存储读取缓存的进度数据
      if (!FREEJS.pageData.progressData) {
        FREEJS.pageData.progressData = FREEJS.getGMData("progressCache", null);
      }

      // 检查是否已有进度数据，没有则去采集（仅采集一次，采集后持久化到 GM 存储）
      if (!FREEJS.pageData.progressData || FREEJS.pageData.progressData.title != title) {
        FREEJS.pageData.collectProgressFlag = true;
        await FREEJS._waitTimeout(500);
        FREEJS.floaterShowTips("正在采集视频进度...");
        FREEJS.getElByText($("a"), "学习进度")[0].click();
        return;
      }

      // 在视频页面加载章节进度显示
      FREEJS.floaterShowProgress(FREEJS.pageData.progressData);

      if (FREEJS.pageData.video.index != null) return;

      FREEJS.pageData.video.index = setInterval(async () => {
        try {
          // 解锁播放限制：处理暂停的视频
          let video = FREEJS.getVideo();
          if (!video) return;

          // 如果视频被暂停，自动播放
          if (video.paused) {
            video.play();
            FREEJS.floaterShowTips("检测到视频暂停，已自动恢复播放");
          }

          // 静音
          video.volume = 0;

          // 更新进度显示
          let curTime = video.currentTime;
          let totalTime = video.duration;
          if (totalTime > 0) {
            let title = `进度：${curTime.toFixed(0)}/${totalTime.toFixed(0)}`;
            $("title").text(title);
            FREEJS.floaterUpdateProgress(curTime, totalTime);
          }

          // 更新当前播放的章节高亮
          FREEJS.floaterUpdateCurrentChapter();

          // 检测视频是否播放完成
          if (FREEJS.isPlayFinish()) {
            FREEJS.floaterShowTips("当前视频播放完成");
            clearInterval(FREEJS.pageData.video.index);
            FREEJS.pageData.video.index = null;
            return;
          }

          // 检查是否弹出完成提示
          if ($(".g-study-prompt").text().includes("您已完成观看")) {
            FREEJS.floaterShowTips("您已完成观看！");
            clearInterval(FREEJS.pageData.video.index);
            FREEJS.pageData.video.index = null;
            return;
          }
        } catch (e) {
          console.error("视频页面定时器出错", e);
        }
      }, 2000);
    },

    // ==================== 页面路由 ====================

    async runByUrl(url) {
      clearInterval(FREEJS.pageData.video.index);
      FREEJS.pageData.video.index = null;

      url = url.toLowerCase();
      if (url.includes("/study/course/progess".toLowerCase())) {
        FREEJS.page_videoProgesss();
      } else if (url.includes("/study/course/".toLowerCase())) {
        FREEJS.page_video();
      }
    },

    // ==================== 悬浮引流面板 ====================

    addStyle() {
      GM_addStyle(`
        #FREEJS_floater {
          position: fixed;
          left: 10px;
          top: 10px;
          z-index: 999999;
          width: 320px;
          background: #fff;
          border: 2px solid #f1a325;
          border-radius: 8px;
          box-shadow: 0 4px 20px rgba(0,0,0,0.3);
          font-family: "Microsoft YaHei", sans-serif;
          font-size: 13px;
          color: #333;
          line-height: 1.6;
        }
        #FREEJS_floater .floater-header {
          background: linear-gradient(135deg, #f1a325, #f7c948);
          color: #fff;
          padding: 8px 12px;
          border-radius: 6px 6px 0 0;
          font-weight: bold;
          font-size: 14px;
          display: flex;
          justify-content: space-between;
          align-items: center;
        }
        #FREEJS_floater .floater-header .floater-close {
          cursor: pointer;
          background: rgba(255,255,255,0.3);
          border: none;
          color: #fff;
          border-radius: 4px;
          padding: 0 8px;
          font-size: 16px;
          line-height: 22px;
        }
        #FREEJS_floater .floater-header .floater-close:hover {
          background: rgba(255,255,255,0.5);
        }
        #FREEJS_floater .floater-body {
          padding: 10px 12px;
        }
        #FREEJS_floater .floater-section {
          margin-bottom: 8px;
          padding-bottom: 8px;
          border-bottom: 1px solid #eee;
        }
        #FREEJS_floater .floater-section:last-child {
          border-bottom: none;
          margin-bottom: 0;
          padding-bottom: 0;
        }
        #FREEJS_floater .floater-status {
          display: flex;
          gap: 10px;
          flex-wrap: wrap;
        }
        #FREEJS_floater .floater-status-item {
          background: #e8f5e9;
          padding: 3px 8px;
          border-radius: 4px;
          font-size: 12px;
          color: #2e7d32;
        }
        #FREEJS_floater .floater-progress-bar {
          width: 100%;
          height: 8px;
          background: #e0e0e0;
          border-radius: 4px;
          overflow: hidden;
          margin: 4px 0;
        }
        #FREEJS_floater .floater-progress-bar .floater-progress-fill {
          height: 100%;
          background: linear-gradient(90deg, #4caf50, #8bc34a);
          border-radius: 4px;
          transition: width 0.5s;
        }
        #FREEJS_floater .floater-progress-text {
          font-size: 12px;
          color: #666;
          text-align: center;
        }
        #FREEJS_floater .floater-progress-list {
          max-height: 150px;
          overflow-y: auto;
          font-size: 12px;
        }
        #FREEJS_floater .floater-progress-list .progress-item {
          padding: 2px 4px;
          border-bottom: 1px dashed #eee;
        }
        #FREEJS_floater .floater-progress-list .progress-item.finish {
          color: #4caf50;
        }
        #FREEJS_floater .floater-progress-list .progress-item.unfinish {
          color: #ff9800;
        }
        #FREEJS_floater .floater-tips {
          background: #fff3e0;
          padding: 8px;
          border-radius: 4px;
          font-size: 12px;
          color: #e65100;
        }
        #FREEJS_floater .floater-tips a {
          color: #1565c0;
          text-decoration: underline;
          cursor: pointer;
        }
        #FREEJS_floater .floater-tips a:hover {
          color: #0d47a1;
        }
        #FREEJS_floater .floater-contact {
          font-size: 11px;
          color: #888;
          text-align: center;
          padding-top: 4px;
        }
        #FREEJS_floater .floater-running {
          background: #e3f2fd;
          border: 1px solid #90caf9;
          padding: 4px 8px;
          border-radius: 4px;
          font-size: 12px;
          color: #1565c0;
          text-align: center;
          font-weight: bold;
        }
      `);
    },

    createFloater() {
      if (document.getElementById("FREEJS_floater")) return;
      let html = `
        <div id="FREEJS_floater">
          <div class="floater-header">
            <span>🎯 昊誉教师研训平台 - 免费版</span>
            <button class="floater-close" onclick="FREEJS.closeFloater()">✕</button>
          </div>
          <div class="floater-body">
            <div class="floater-section">
              <div class="floater-status">
                <span class="floater-status-item">✅ 视频播放限制已解除</span>
                <span class="floater-status-item" id="floaterStatusProgress">📊 进度采集：就绪</span>
              </div>
            </div>
            <div class="floater-section" id="floaterVideoSection" style="display:none;">
              <div class="floater-running">▶ 视频自动播放运行中</div>
              <div class="floater-progress-bar">
                <div class="floater-progress-fill" id="floaterProgressFill" style="width:0%"></div>
              </div>
              <div class="floater-progress-text" id="floaterProgressText">0 / 0</div>
            </div>
            <div class="floater-section" id="floaterProgressSection" style="display:none;">
              <div style="font-weight:bold;font-size:13px;margin-bottom:4px;">📋 进度采集结果：</div>
              <div class="floater-progress-list" id="floaterProgressList"></div>
            </div>
            <div class="floater-section">
              <div class="floater-tips">
                <strong>💡 免费版功能：</strong>解除视频暂停限制 / 视频进度采集<br><br>
                <strong>如需使用全功能版本</strong>（自动下一集、自动换课程、考试答题等高级功能），请通过地址安装付费版本购买授权后使用：<br>
                <a onclick="window.open('${docUrl}')">${docUrl}</a>
              </div>
            </div>
            <div class="floater-contact">
              接各类脚本开发、代挂、网站小程序开发工作，微信：zhanyc_cn
            </div>
          </div>
        </div>
      `;
      $("body").append(html);
    },

    closeFloater() {
      $("#FREEJS_floater").remove();
    },

    floaterShowTips(msg) {
      $("#floaterStatusProgress").text("📊 " + msg);
    },

    floaterUpdateProgress(curTime, totalTime) {
      let $section = $("#floaterVideoSection");
      if ($section.is(":hidden")) $section.show();
      let pct = totalTime > 0 ? (curTime / totalTime * 100) : 0;
      $("#floaterProgressFill").css("width", pct + "%");
      $("#floaterProgressText").text(
        FREEJS._timeFormat(curTime) + " / " + FREEJS._timeFormat(totalTime)
      );
    },

    floaterShowProgress(data) {
      let $section = $("#floaterProgressSection");
      if ($section.is(":hidden")) $section.show();
      let html = `<div style="font-weight:bold;margin-bottom:4px;">📚 课程：${data.title}</div>`;
      data.video.forEach((item) => {
        html += `<div class="progress-item ${item.isFinish ? 'finish' : 'unfinish'}" data-ftitle="${item.title}">
          ${item.isFinish ? "✅" : "⏳"} ${item.title}
        </div>`;
      });
      $("#floaterProgressList").html(html);
    },

    floaterUpdateCurrentChapter() {
      let $currentLink = $("a.z-crt.section");
      if ($currentLink.length == 0) return;
      let currentTitle = $currentLink.text().trim();
      if (!currentTitle) return;
      // 清除所有高亮
      $("#floaterProgressList .progress-item").css({
        "background": "",
        "font-weight": "",
        "border-radius": ""
      });
      // 高亮当前章节
      $("#floaterProgressList .progress-item").each(function () {
        if ($(this).attr("data-ftitle") == currentTitle) {
          $(this).css({
            "background": "#fff3e0",
            "font-weight": "bold",
            "border-radius": "3px"
          });
          return false;
        }
      });
    },

    _timeFormat(seconds) {
      if (!seconds || isNaN(seconds) || seconds < 0) return "00:00";
      seconds = Math.floor(seconds);
      let m = Math.floor(seconds / 60);
      let s = seconds % 60;
      return (m < 10 ? "0" : "") + m + ":" + (s < 10 ? "0" : "") + s;
    },

    // ==================== 工具方法 ====================

    getGMData(item, def) {
      return GM_getValue(item, def);
    },
    setGMData(item, val) {
      return GM_setValue(item, val);
    },
    delGMData(item) {
      return GM_deleteValue(item);
    },
    now() {
      return new Date().getTime();
    },

    getElByText(query, text, mode = "eq", visible = true) {
      let $el = null;
      text = text.trim();
      $(query).each((i, el) => {
        if (visible && !$(el).is(":visible")) return true;
        if (mode == "eq" && $(el).text().trim() == text) {
          $el = $(el);
          return false;
        } else if (mode == "startsWith" && $(el).text().trim().startsWith(text)) {
          $el = $(el);
          return false;
        } else if (mode == "endsWith" && $(el).text().trim().endsWith(text)) {
          $el = $(el);
          return false;
        } else if (mode == "like" && $(el).text().trim().includes(text)) {
          $el = $(el);
          return false;
        }
      });
      return $el;
    },

    async init() {
      FREEJS.addStyle();
      FREEJS.createFloater();

      // 监听页面变化
      let lastUrl = location.href;
      setInterval(async () => {
        if (lastUrl != location.href) {
          lastUrl = location.href;
          FREEJS.runByUrl(location.href);
        }
      }, 500);
      FREEJS.runByUrl(location.href);
    },
  };

  unsafeWindow.FREEJS = FREEJS;

  // 3秒后初始化，如果检测到付费版本(zfk)已运行，则跳过初始化
  setTimeout(() => {
    if (typeof unsafeWindow.zfk === "undefined") {
      FREEJS.init();
    } else {
      console.log("检测到付费版本已运行，免费版本跳过初始化");
    }
  }, 3000);
})();