// ==UserScript==
// @name         【免费版】好医生|自动播放|解除暂停限制|使用说明：http://doc.zhanyc.cn/pages/hys2/
// @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。如需秒过视频、自动答题、自动下一集、自动换课程、全自动无人值守等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      *://*.haoyisheng.com/*
// @include      *://*.cmechina.net/*
// @require      http://libs.baidu.com/jquery/2.0.0/jquery.min.js
// @run-at       document-end
// @antifeature  payment
// @license      Creative Commons
// ==/UserScript==
(function () {
  let $jq = $;
  unsafeWindow.$jq = $jq;
  let docLink = "http://doc.zhanyc.cn/pages/hys2/";
  let isDebug = false;

  let hysFree = {
    pageData: {
      videoTimer: null,
      lastCurTime: null,
      stuckCount: 60,
      waitSec: 0,
    },
    async init() {
      console.log("%c hysFree init", "background:rgb(0,0,0);color:#fff");
      await hysFree.sleep(1500);
      hysFree.showPanel();
      hysFree.routePage();
    },
    routePage() {
      let url = location.href.toLowerCase();
      if (url.includes('/cme/study2.jsp') || url.includes('/cme/course.jsp')) {
        hysFree.startMonitor();
      } else if (url.includes('/courseindex') || url.includes('/coursedetials')) {
        hysFree.startMonitor();
      } else {
        hysFree.startMonitor();
      }
    },
    async startMonitor() {
      console.log("%c hysFree startMonitor", "background:rgb(0,0,0);color:#fff");
      hysFree.updatePanelStatus('等待视频加载...');
      try {
        await hysFree.waitEl(() => hysFree.getVideoEl(), 1000, 60);
      } catch (e) {
        hysFree.updatePanelStatus('当前页面无视频');
        return;
      }
      await hysFree.sleep(1000);
      hysFree.updatePanelStatus('视频已加载，开始播放');
      if (hysFree.pageData.videoTimer) return;
      let stuckBak = hysFree.pageData.stuckCount;
      hysFree.pageData.videoTimer = setInterval(async () => {
        try {
          if (hysFree.pageData.waitSec > 0) {
            hysFree.pageData.waitSec -= 2;
            return;
          }
          let vid = hysFree.getVideoEl();
          if (!vid) {
            hysFree.updatePanelStatus('等待视频加载...');
            return;
          }
          vid.volume = 0;
          let cur = hysFree.getCurTime();
          let total = hysFree.getTotalTime();
          if (cur > 0 && total > 0) {
            hysFree.updatePanelProgress(cur, total);
          }
          // 检测是否卡住
          if (cur == hysFree.pageData.lastCurTime && cur > 0) {
            hysFree.pageData.stuckCount -= 2;
            if (hysFree.pageData.stuckCount <= 0) {
              hysFree.pageData.stuckCount = stuckBak;
              hysFree.updatePanelStatus('视频卡住，即将刷新页面...');
              setTimeout(() => { location.reload(); }, 5000);
              clearInterval(hysFree.pageData.videoTimer);
              hysFree.pageData.videoTimer = null;
              return;
            }
          } else {
            hysFree.pageData.lastCurTime = cur;
            hysFree.pageData.stuckCount = stuckBak;
          }
          // 检查是否播放完成
          let done = hysFree.isPlayDone();
          if (done) {
            hysFree.updatePanelStatus('视频播放完成，即将进入下一节...');
            clearInterval(hysFree.pageData.videoTimer);
            hysFree.pageData.videoTimer = null;
            hysFree.goNext(10);
            return;
          }
          // 检查是否在播放
          let playing = await hysFree.checkPlaying();
          if (!playing && !done) {
            hysFree.doPlay();
          }
        } catch (e) {
          console.error('hysFree monitor error', e);
        }
      }, 2000);
    },
    getVideoEl() {
      try {
        return $('video')[0];
      } catch (e) {
        return null;
      }
    },
    getCurTime() {
      try {
        return hysFree.getVideoEl().currentTime;
      } catch (e) {
        return 0;
      }
    },
    getTotalTime() {
      try {
        return hysFree.getVideoEl().duration;
      } catch (e) {
        return 0;
      }
    },
    isPlayDone() {
      try {
        let total = hysFree.getTotalTime();
        let cur = hysFree.getCurTime();
        return total > 0 && cur + 5 >= total;
      } catch (e) {
        return false;
      }
    },
    checkPlaying() {
      return new Promise((resolve) => {
        try {
          let t1 = $('video')[0].currentTime;
          setTimeout(() => {
            let t2 = $('video')[0].currentTime;
            resolve(t2 > t1);
          }, 200);
        } catch (e) {
          resolve(false);
        }
      });
    },
    doPlay() {
      try {
        let vid = hysFree.getVideoEl();
        if (vid) {
          vid.volume = 0;
          setTimeout(() => { vid.play(); }, 200);
          hysFree.updatePanelStatus('视频播放中...');
        }
      } catch (e) {
        console.error('hysFree doPlay error', e);
      }
    },
    goNext(sec = 10) {
      setTimeout(() => {
        top.location.reload();
      }, sec * 1000);
    },
    sleep(ms) {
      return new Promise((r) => { setTimeout(r, ms); });
    },
    waitEl(fn, interval = 1000, timeout = 30) {
      return new Promise((resolve, reject) => {
        let left = timeout * 1000;
        try { if (fn()) return resolve(); } catch (e) { }
        let idx = setInterval(() => {
          left -= interval;
          if (left < 0) { clearInterval(idx); return reject(); }
          try { if (fn()) { clearInterval(idx); return resolve(); } } catch (e) { }
        }, interval);
      });
    },
    fmtTime(s) {
      s = Math.floor(Math.abs(s));
      let h = Math.floor(s / 3600);
      let m = Math.floor((s % 3600) / 60);
      let sec = s % 60;
      return (h < 10 ? '0' + h : h) + ':' + (m < 10 ? '0' + m : m) + ':' + (sec < 10 ? '0' + sec : sec);
    },
    showPanel() {
      if ($jq('#hysFreePanel').length > 0) return;
      let panelHtml = `
      <div id="hysFreePanel" style="position:fixed;left:10px;top:10px;z-index:99999;background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);color:#fff;padding:16px;border-radius:10px;box-shadow:0 4px 20px rgba(0,0,0,0.4);font-size:13px;min-width:300px;max-width:360px;font-family:Microsoft YaHei,sans-serif;border:1px solid #0f3460;">
        <div id="hysFreePanelHead" style="display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;border-bottom:1px solid #0f3460;padding-bottom:8px;">
          <span style="font-size:15px;font-weight:bold;color:#e94560;">📺 好医生 - 免费版</span>
          <span id="hysFreePanelClose" style="cursor:pointer;font-size:18px;color:#999;padding:0 4px;" title="关闭">✕</span>
        </div>
        <div id="hysFreeVideoBox" style="display:none;background:#0a0a1a;border-radius:6px;padding:12px;margin-bottom:10px;text-align:center;border:2px solid #e94560;">
          <div style="font-size:16px;font-weight:bold;color:#00ff88;margin-bottom:6px;">▶ 视频播放中</div>
          <div id="hysFreeProgress" style="font-size:22px;font-weight:bold;color:#ffdd57;letter-spacing:1px;">00:00:00 / 00:00:00</div>
        </div>
        <div id="hysFreeStatus" style="background:#0a0a1a;border-radius:4px;padding:8px 10px;margin-bottom:10px;color:#fff;font-size:12px;">初始化中...</div>
        <div style="background:rgba(233,69,96,0.1);border:1px solid #e94560;border-radius:6px;padding:10px;margin-bottom:8px;">
          <div style="font-size:13px;font-weight:bold;color:#e94560;margin-bottom:6px;">🔥 付费版功能（一次付费，永久使用，免费维护）</div>
          <div style="font-size:12px;color:#ddd;line-height:1.8;">
            <div>✅ <span style="color:#ffdd57;font-weight:bold;">秒过视频</span> - 无需等待，瞬间完成课程学习</div>
            <div>✅ <span style="color:#ffdd57;font-weight:bold;">自动答题</span> - 智能题库匹配，自动完成考试</div>
            <div>✅ 自动换课程 - 全自动无人值守学习</div>
          </div>
          <div style="margin-top:8px;text-align:center;">
            <a href="${docLink}" target="_blank" style="display:inline-block;background:linear-gradient(135deg,#e94560,#c23152);color:#fff;padding:6px 16px;border-radius:4px;text-decoration:none;font-size:13px;font-weight:bold;">👉 升级付费版本</a>
          </div>
        </div>
        <div style="font-size:11px;color:#fff;text-align:center;line-height:1.6;">
          如需使用全功能版本，请通过地址安装付费版本购买授权后可使用<br/>
          接各类脚本开发、代挂任务，微信：zhanyc_cn<br/>
          <a href="http://doc.zhanyc.cn" target="_blank" style="color:#4a9eff;text-decoration:none;">个人网站：doc.zhanyc.cn</a>
        </div>
      </div>`;
      $jq('body').append(panelHtml);
      $jq('#hysFreePanelClose').on('click', function () {
        $jq('#hysFreePanel').hide();
      });
    },
    updatePanelStatus(msg) {
      $jq('#hysFreeStatus').text('状态：' + msg);
    },
    updatePanelProgress(cur, total) {
      $jq('#hysFreeVideoBox').show();
      $jq('#hysFreeProgress').text(hysFree.fmtTime(cur) + ' / ' + hysFree.fmtTime(total));
    },
  };

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