// ==UserScript==
// @name         广东二师在线|免费版本|如需自动下一集、自动换课程、秒过、考试答题等高级功能见收费版本：http://doc.zhanyc.cn/pages/gdeszx/
// @version      1.0
// @description  当前是免费版本，只包含了视频页面自动播放、解除播放暂停限制功能。如需自动下一集、自动换课程、秒过、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、代挂工作，微信：zhanyc_cn 个人网站：http://doc.zhanyc.cn
// @author       zfk
// @include    *://*gdei.edu.cn*
// @include    *://*.gdei.edu.cn/*
// @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
// ==/UserScript==

(function () {
  "use strict";

  let $jq = $;
  unsafeWindow.$jq = $;
  let docUrl = "http://doc.zhanyc.cn/pages/gdeszx/";
  let isDev = false;

  let gdesFree = {
    pageData: {
      video: {
        index: null,
        checkIndex: null,
        isPlaying: false,
        progress: "0/0",
      },
      waitTime: 0,
    },

    async init() {
      gdesFree.addStyle();
      gdesFree.begin("iamzhankuo");
    },

    begin(key) {
      if (key != "iamzhankuo") return;
      gdesFree.showFreePanel();
      let lastUrl = location.href;
      setInterval(() => {
        if (lastUrl != location.href) {
          lastUrl = location.href;
          gdesFree.runByUrl(location.href);
        }
      }, 500);
      gdesFree.runByUrl(location.href);
    },

    async runByUrl(url) {
      if (/\/study\/[0-9a-zA-Z]+\/activity/.test(url)) {
        gdesFree.page_video();
      } else if (url.toLowerCase().includes("/study/course/".toLowerCase())) {
        gdesFree.page_video2();
      }
    },

    async page_video() {
      gdesFree.closeWaitConfrimWin();
      console.log("%c page_video", "background:rgb(0,0,0);color:#fff");
      let timeout = 2;
      let lastTime = null;
      let checkTimeTimesBak = 60;
      let checkTimeTimes = checkTimeTimesBak;
      gdesFree.closeWaitConfrimWin();
      if (gdesFree.pageData.video.index != null) return;

      await gdesFree.waitOf((a) => $(".item4:visible").length > 0);
      await gdesFree.waitTimeout(1000);

      if (!$(".item4.active").length > 0) {
        $(".item4:visible").eq(0).find("a")[0].click();
      }

      setTimeout(async () => {
        let time = gdesFree.getCurTime();
        await gdesFree.waitTimeout(5000);
        if (gdesFree.getCurTime() == time) {
          console.log("视频可能卡住了，准备刷新");
          setTimeout(() => location.reload(), 3000);
        }
      }, 60 * 1000);

      gdesFree.pageData.video.index = setInterval(async () => {
        try {
          if (gdesFree.pageData.waitTime > 0) {
            gdesFree.pageData.waitTime -= timeout;
            return;
          }

          // 弹窗点确认：检测多浏览器播放
          if (
            gdesFree.getElByText(
              $(".ant-modal-confirm-content"),
              "检测到在多个浏览器中同时播放视频!"
            ) != null
          ) {
            location.reload();
            return;
          }
          // 弹窗点确认：请刷新后重试
          if (
            gdesFree.getElByText($(".ant-modal-body div"), "请刷新后重试") != null
          ) {
            location.reload();
            return;
          }

          if (!gdesFree.getVideo()) {
            console.log("%c zfk no video", "background:rgb(0,0,0);color:#fff");
            return;
          }

          // 检测当前视频是否已完成
          if (
            $(".item4.active").find(".icon-icon_finish_R:visible").length > 0
          ) {
            gdesFree.pageData.waitTime = 30;
            console.log("当前视频完成，3秒后刷新");
            setTimeout(() => location.reload(), 3000);
            return;
          }

          let curTime = gdesFree.getCurTime();
          if (curTime == lastTime) {
            lastTime = gdesFree.getCurTime();
            checkTimeTimes -= timeout;
            if (checkTimeTimes <= 0) {
              checkTimeTimes = checkTimeTimesBak;
              console.log("貌似卡死了，准备刷新页面");
              setTimeout(() => location.reload(), 3000);
              gdesFree.pageData.waitTime = 10;
              return;
            }
          } else {
            lastTime = curTime;
            checkTimeTimes = checkTimeTimesBak;
          }

          // 静音
          gdesFree.getVideo().volume = 0;

          // 更新进度
          let cur = gdesFree.getCurTime().toFixed(0);
          let total = gdesFree.getTotalTime().toFixed(0);
          let title = "进度：" + cur + "/" + total;
          $("title").text(title);
          gdesFree.pageData.video.progress = cur + "/" + total;

          // 刷新悬浮面板进度
          gdesFree.updatePanelProgress();

          console.log("%c video run", "background:rgb(255,0,0);color:#fff");

          // 弹窗点确认：平台实时在线学习弹窗
          let $tips = gdesFree.getElByText(
            ".layui-layer-content p",
            "您好，本平台要求实时在线学习，点击按钮，继续学习课程。"
          );
          if ($tips != null) {
            $tips.parents(".layui-layer").find(".layui-layer-btn0")[0].click();
            console.log("已点击继续学习按钮");
          }

          let isFinish = await gdesFree.isPlayFinish();
          if (isFinish) {
            gdesFree.pageData.waitTime = 15;
            console.log("视频即将结束");
            return;
          }

          // 解除播放暂停限制
          let isPlay = await gdesFree.videoIsPlay();
          if (!isPlay && !isFinish) {
            gdesFree.play();
          }
        } catch (e) {
          console.error("视频页面定时器出错", e);
        }
      }, timeout * 1000);
    },

    async page_video2() {
      console.log("%c page_video2", "background:rgb(0,0,0);color:#fff");
      let timeout = 2;
      let lastTime = null;
      let checkTimeTimesBak = 60;
      let checkTimeTimes = checkTimeTimesBak;
      gdesFree.closeWaitConfrimWin();

      await gdesFree.waitOf((a) => $(".lfNav-s>a").length > 0);
      await gdesFree.waitTimeout(1000);


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

      clearTimeout(gdesFree.pageData.video.checkIndex);
      gdesFree.pageData.video.checkIndex = setTimeout(async () => {
        let time = gdesFree.getCurTime();
        await gdesFree.waitTimeout(5000);
        if (gdesFree.getCurTime() == time) {
          console.log("视频可能卡住了，准备刷新");
          setTimeout(() => location.reload(), 3000);
        }
      }, 60 * 1000);

      gdesFree.pageData.video.index = setInterval(async () => {
        try {
          if (gdesFree.pageData.waitTime > 0) {
            gdesFree.pageData.waitTime -= timeout;
            return;
          }

          // 弹窗点确认：长时间停留弹窗
          if (
            gdesFree.getElByText(
              $(".mylayer-content"),
              "您在本页面的停留很长时间了，系统将在15分钟后自动退出登录，是否继续学习？"
            ) != null
          ) {
            gdesFree
              .getElByText(
                $(".mylayer-content"),
                "您在本页面的停留很长时间了，系统将在15分钟后自动退出登录，是否继续学习？"
              )
              .parents(".mylayer-layer:first")
              .find("button")
              .click();
            console.log("已点击继续学习按钮");
            return;
          }

          if (!gdesFree.getVideo()) {
            console.log("%c zfk no video", "background:rgb(0,0,0);color:#fff");
            return;
          }

          let curTime = gdesFree.getCurTime();
          if (curTime == lastTime) {
            lastTime = gdesFree.getCurTime();
            checkTimeTimes -= timeout;
            if (checkTimeTimes <= 0) {
              checkTimeTimes = checkTimeTimesBak;
              console.log("貌似卡死了，准备刷新页面");
              setTimeout(() => location.reload(), 3000);
              gdesFree.pageData.waitTime = 10;
              return;
            }
          } else {
            lastTime = curTime;
            checkTimeTimes = checkTimeTimesBak;
          }

          // 静音
          gdesFree.getVideo().volume = 0;

          // 更新进度
          let cur = gdesFree.getCurTime().toFixed(0);
          let total = gdesFree.getTotalTime().toFixed(0);
          let title = "进度：" + cur + "/" + total;
          $("title").text(title);
          gdesFree.pageData.video.progress = cur + "/" + total;

          // 刷新悬浮面板进度
          gdesFree.updatePanelProgress();

          console.log("%c video run", "background:rgb(255,0,0);color:#fff");

          let isFinish = await gdesFree.isPlayFinish();
          if (isFinish) {
            gdesFree.pageData.waitTime = 15;
            console.log("视频即将结束，准备刷新");
            setTimeout(() => location.reload(), 5000);
            return;
          }

          // 解除播放暂停限制
          let isPlay = await gdesFree.videoIsPlay();
          if (!isPlay && !isFinish) {
            gdesFree.play();
          }
        } catch (e) {
          console.error("视频页面定时器出错", e);
        }
      }, timeout * 1000);
    },

    play() {
      gdesFree.getVideo().volume = 0;
      setTimeout(() => {
        gdesFree.getVideo().play();
        gdesFree.pageData.video.isPlaying = true;
        gdesFree.updatePanelStatus();
      }, 200);
    },

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

    isPlayFinish() {
      try {
        return (
          gdesFree.getTotalTime() > 0 && gdesFree.getCurTime() + 5 >= gdesFree.getTotalTime()
        );
      } catch (e) {
        return false;
      }
    },

    getCurTime() {
      let res = 0;
      try {
        res = gdesFree.getVideo().currentTime;
      } catch (e) {
        console.error(e);
      }
      return res;
    },

    getTotalTime() {
      let res = 0;
      try {
        res = gdesFree.getVideo().duration;
      } catch (e) {
        console.error(e);
      }
      return res;
    },

    async videoIsPlay() {
      return new Promise((resolve) => {
        try {
          let curTime = $("video")[0].currentTime;
          setTimeout(() => {
            let time1 = $("video")[0].currentTime;
            let res = time1 > curTime;
            if (res) {
              setTimeout(() => {
                let time2 = $("video")[0].currentTime;
                let res2 = time2 > time1;
                resolve(res2);
              }, 100);
            } else {
              return resolve(false);
            }
          }, 100);
        } catch (e) {
          resolve(false);
        }
      });
    },

    closeWaitConfrimWin() {
      gdesFree.setGMData("closeLJTS", gdesFree.now());
    },

    // 悬浮引流面板
    showFreePanel() {
      setTimeout(() => {
        if ($("#zfkFreePanel").length > 0) return;
        let panelHtml =
          '<div id="zfkFreePanel" style="position:fixed;left:10px;top:10px;z-index:99999;background:rgba(0,0,0,0.85);color:#fff;border-radius:8px;padding:12px;max-width:320px;font-size:13px;box-shadow:0 2px 12px rgba(0,0,0,0.3);font-family:Microsoft YaHei,sans-serif;">' +
          '<div style="display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;">' +
          '<span style="font-weight:bold;color:#ffcc00;font-size:14px;">广东二师在线脚本（免费版）</span>' +
          '<span id="zfkFreePanelClose" style="cursor:pointer;font-size:18px;color:#999;line-height:1;">&times;</span>' +
          "</div>" +
          '<div id="zfkFreePanelStatus" style="margin-bottom:8px;padding:6px 8px;background:rgba(255,255,255,0.1);border-radius:4px;text-align:center;font-weight:bold;color:#0f0;">等待视频加载...</div>' +
          '<div id="zfkFreePanelProgress" style="margin-bottom:8px;text-align:center;font-size:12px;color:#aaa;">进度：--/--</div>' +
          '<div style="margin-bottom:6px;padding:6px;background:rgba(255,200,0,0.15);border-radius:4px;border-left:3px solid #ffcc00;font-size:12px;">' +
          "[免费功能] 解除视频暂停限制、自动播放<br/>" +
          "</div>" +
          '<div style="margin-bottom:6px;padding:6px;background:rgba(0,200,255,0.1);border-radius:4px;border-left:3px solid #00ccff;font-size:12px;">' +
          "[付费功能] 自动下一集、自动换课程、秒过、考试答题、全自动无人值守<br/>" +
          '<a href="' +
          docUrl +
          '" target="_blank" style="color:#00ccff;text-decoration:underline;">查看付费版本</a>' +
          "</div>" +
          '<div style="font-size:11px;color:#999;border-top:1px solid rgba(255,255,255,0.1);padding-top:6px;margin-top:4px;">' +
          "接各类脚本开发、代挂、网站小程序开发工作<br/>微信：zhanyc_cn" +
          "</div>" +
          "</div>";

        $("body").append(panelHtml);
        $("#zfkFreePanelClose").click(function () {
          $("#zfkFreePanel").remove();
        });
      }, 1000);

      // 定期检测视频并更新面板状态
      setInterval(() => {
        gdesFree.updatePanelStatus();
        gdesFree.updatePanelProgress();
      }, 2000);
    },

    updatePanelStatus() {
      let $status = $("#zfkFreePanelStatus");
      if ($status.length == 0) return;
      let video = gdesFree.getVideo();
      if (!video) {
        $status.text("[等待中] 等待视频加载...").css("color", "#aaa");
        return;
      }
      if (gdesFree.pageData.video.isPlaying || !video.paused) {
        $status.text("[播放中] 视频播放中...").css("color", "#0f0");
        gdesFree.pageData.video.isPlaying = true;
      } else {
        $status.text("[已暂停] 视频已暂停（脚本将自动恢复播放）").css("color", "#ff0");
      }
    },

    updatePanelProgress() {
      let $progress = $("#zfkFreePanelProgress");
      if ($progress.length == 0) return;
      let cur = gdesFree.getCurTime().toFixed(0);
      let total = gdesFree.getTotalTime().toFixed(0);
      if (total > 0) {
        let pct = ((cur / total) * 100).toFixed(1);
        $progress.html(
          '进度：<span style="color:#fff;font-weight:bold;">' +
            cur +
            "</span>/<span style='color:#fff;font-weight:bold;'>" +
            total +
            '</span> <span style="color:#00ccff;">(' +
            pct +
            "%)</span>"
        );
      } else {
        $progress.text("进度：--/--");
      }
    },

    waitOf(fun, interval, timeout) {
      if (interval === undefined) interval = 1000;
      if (timeout === undefined) timeout = 30;
      console.log("%c waitOf", "background:rgb(0,0,0);color:#fff", fun);
      return new Promise((resolve, reject) => {
        let _timeOut = timeout * 1000;
        try {
          if (fun()) return resolve();
        } catch (e) {
          console.error(e);
        }
        let index = setInterval(() => {
          try {
            if (timeout != -1) {
              _timeOut -= interval;
              if (_timeOut < 0) {
                clearInterval(index);
                return reject();
              }
            }
            if (fun()) {
              clearInterval(index);
              return resolve();
            }
          } catch (e) {
            console.error(e);
          }
        }, interval);
      });
    },

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

    getElByText(query, text, mode, visible) {
      if (mode === undefined) mode = "eq";
      if (visible === undefined) visible = true;
      let $el = null;
      text = text.trim();
      $(query).each(function (i, el) {
        if (visible && !$(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;
        }
      });
      return $el;
    },

    setGMData(item, val) {
      return GM_setValue(item, val);
    },

    getGMData(item, def) {
      return GM_getValue(item, def);
    },

    delGMData(item) {
      return GM_deleteValue(item);
    },

    now() {
      return new Date().getTime();
    },

    addStyle() {
      GM_addStyle(
        '#zfkFreePanel *{box-sizing:border-box;line-height:1.5;}#zfkFreePanel a{color:#00ccff;}#zfkFreePanel a:hover{color:#66ddff;}'
      );
    },
  };

  // 等待 DOM 就绪后初始化
  if (document.readyState === "loading") {
    document.addEventListener("DOMContentLoaded", function () {
      gdesFree.init();
    });
  } else {
    gdesFree.init();
  }

  if (!unsafeWindow.gdesFree) unsafeWindow.gdesFree = gdesFree;
})();