// ==UserScript==
// @name         🍀新版中国教育干部网络学院|脚本使用说明：http://doc.zhanyc.cn/pages/zgjygbwlxy/
// @namespace    free
// @version      1.0
// @description  当前是免费版本，可免费使用视频自动播放、解除视频暂停限制、自动换课程功能数量受限。如需完整无人值守功能，含自动下一集、自动换课程、全自动无人值守高级功能需升级VIP版本解锁
// @author       free
// @include      *://*.enaea.edu.cn/*
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_addStyle
// @grant        GM_deleteValue
// @grant        GM_xmlhttpRequest
// @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 = "http://doc.zhanyc.cn/pages/zgjygbwlxy/";
  let _0x5a2c = ["\x76\x69\x64\x65\x6f\x43\x6f\x75\x6e\x74", "\x66\x72\x65\x65\x4f\x62\x6a", "\x67\x65\x74\x4d\x61\x78\x56\x69\x64\x65\x6f\x43\x6f\x75\x6e\x74"];
  let _cfg = { v: "20261110", k: 0x1F3A, m: [3, 5, 7, 11, 13, 17, 19, 23] };
  let freeObj = {
    pageData: {
      videoTimer: null,
      checkTimer: null,
      waitTime: 0,
      lastTime: null,
      checkTimes: 60,
      running: false,
      lastUrl: "",
    },
    async init() {
      console.log("%c freeInit", "background:rgb(0,0,0);color:#fff");
      freeObj.addGlobalStyle();
      freeObj.showFloatingBox();
      freeObj.begin();
    },
    begin() {
      freeObj.pageData.lastUrl = location.href;
      setInterval(() => {
        if (freeObj.pageData.lastUrl !== location.href) {
          freeObj.pageData.lastUrl = location.href;
          freeObj.runByUrl(location.href);
        }
      }, 500);
      freeObj.runByUrl(location.href);
    },
    runByUrl(url) {
      clearInterval(freeObj.pageData.videoTimer);
      freeObj.pageData.videoTimer = null;
      clearTimeout(freeObj.pageData.checkTimer);
      freeObj.pageData.checkTimer = null;
      url = url.toLowerCase();
      $(".zfk-float-tip-box").remove();
      if (url.includes("/web/") && url.includes("/home")) {
        freeObj.pageHome();
      } else if (url.includes("/player/project")) {
        freeObj.pageVideo();
      } else if (url.includes("/requiredcourse") || url.includes("/electivecourses")) {
        freeObj.pageCourseDetail();
      }
    },
    addGlobalStyle() {
      GM_addStyle(`
        .free-btn{background-color:#0fbcf9;color:#fff;padding:4px 12px;border:none;font-size:14px;border-radius:4px;cursor:pointer;display:inline-block;text-align:center}
        .free-btn:hover{opacity:.8}
        .free-btn.success{background-color:#38b03f}
        .free-btn.warning{background-color:#f1a325}
        .free-btn.danger{background-color:#ea644a}
        .free-btn.vip{background:linear-gradient(135deg,#ff6b6b,#ee5a6f);color:#fff;font-weight:bold}
        @keyframes freeGlow{0%{box-shadow:0 0 10px #00ffcc}50%{box-shadow:0 0 20px #ff66cc}100%{box-shadow:0 0 10px #00ffcc}}
      `);
    },
    pageHome() {
      console.log("%c pageHome", "background:rgb(0,0,0);color:#fff");
      freeObj.waitForElement(() => $('[class^="main-sub_"]').length > 0, () => {
        freeObj.renderHomeButtons();
      });
    },
    renderHomeButtons() {
      if ($("#free-home-container").length > 0) return;
      let videoCount = freeObj.getVideoCount();
      let maxCount = freeObj.getMaxVideoCount();
      let settingsHtml = `
        <div id="free-home-container" style="text-align:center;margin:20px auto;padding:15px;background:#f5f5f5;border-radius:8px;">
          <div style="margin-bottom:15px;">
            <span style="font-size:16px;font-weight:bold;color:#333;">免费版本学习设置</span>
            <span style="margin-left:10px;font-size:14px;color:#666;">已学习 <span style="color:#ff6b6b;font-weight:bold;">${videoCount}</span>/${maxCount} </span>
          </div>
          <div style="margin-bottom:10px;">
            <label style="margin-right:10px;">学习速度：</label>
            <select id="free-speed-select" style="padding:5px 10px;border:1px solid #ddd;border-radius:4px;">
              <option value="1">1倍速（正常速度）</option>
              <option value="1.5">1.5倍速</option>
              <option value="2">2倍速</option>
              <option value="4">4倍速</option>
              <option value="8">8倍速</option>
              <option value="16">16倍速</option>
            </select>
            <span style="margin-left:5px;font-size:12px;color:#999;">（VIP版本专属功能）</span>
          </div>
          <div style="margin-bottom:10px;">
            <label style="margin-right:10px;">同时学习课程数量：</label>
            <input type="number" id="free-max-courses" value="1" style="width:60px;padding:5px;border:1px solid #ddd;border-radius:4px;">
            <span style="margin-left:5px;font-size:12px;color:#999;">（VIP版本可设置更多）</span>
          </div>
          <button id="free-start-study-btn" class="free-btn vip" style="font-size:18px;padding:12px 40px;margin-top:10px;">
            开始学习（VIP版本专属功能）
          </button>
          <div style="margin-top:10px;font-size:12px;color:#999;">
            提示：免费版本仅支持解除视频暂停限制，如需自动学习、加速学习等功能请升级VIP版本
          </div>
        </div>
      `;
      let $target = $('[class^="main-sub_"]').first();
      if ($target.length > 0) {
        $target.before(settingsHtml);
      } else {
        $('body').prepend(settingsHtml);
      }
      $("#free-start-study-btn").on("click", function () {
        freeObj.showVipUpgradeBox("VIP版本专属功能", "自动学习功能需要升级VIP版本后才能使用。VIP版本支持：自动下一集、自动换课程、秒过视频、加速学习等高级功能。");
      });
      $("#free-speed-select").on("change", function () {
        freeObj.showVipUpgradeBox("VIP版本专属功能", "加速学习功能需要升级VIP版本后才能使用。当前免费版本仅支持1倍速播放。");
        $(this).val("1");
      });
    },
    pageVideo() {
      console.log("%c pageVideo", "background:rgb(0,0,0);color:#fff");
      freeObj.validateVideoAccess(() => {
        freeObj.startVideoPlay();
      });
    },
    validateVideoAccess(callback) {
      let currentCount = freeObj.getVideoCount();
      let limitCount = freeObj.getMaxVideoCount();
      freeObj.checkVideoLimitStatus(currentCount, limitCount, callback);
    },
    checkVideoLimitStatus(current, limit, callback) {
      let status = freeObj.calcLimitStatus(current, limit);
      if (status.allowed) {
        callback();
      } else {
        freeObj.handleLimitExceeded(status);
      }
    },
    calcLimitStatus(current, limit) {
      let diff = limit - current;
      let allowed = diff > 0;
      let remaining = Math.max(0, diff);
      return { allowed: allowed, remaining: remaining, total: limit };
    },
    handleLimitExceeded(status) {
      let msgData = freeObj.buildLimitMsg(status);
      freeObj.displayLimitWarning(msgData);
    },
    buildLimitMsg(status) {
      let title = freeObj.formatLimitTitle(status);
      let content = freeObj.formatLimitContent(status);
      return { title: title, content: content };
    },
    formatLimitTitle(status) {
      let titles = ["免费额度已用完", "试用次数已耗尽", "体验次数已达上限"];
      let idx = status.total % titles.length;
      return titles[idx];
    },
    formatLimitContent(status) {
      let templates = [
        "免费脚本可全自动学习前{total}个视频，目前免费额度已经用完，请升级VIP版本后继续使用。",
        "当前免费版本支持{total}个视频自动学习，您的额度已用完，升级VIP可解锁无限学习。",
        "体验次数{total}次已用完，如需继续自动学习请升级VIP版本。"
      ];
      let idx = (status.total + status.remaining) % templates.length;
      return templates[idx].replace("{total}", status.total);
    },
    displayLimitWarning(msgData) {
      freeObj.showVipUpgradeBox(msgData.title, msgData.content);
    },
    startVideoPlay() {
      if (freeObj.pageData.videoTimer != null) return;
      freeObj.pageData.running = true;
      freeObj.pageData.checkTimes = 60;
      freeObj.pageData.lastTime = null;
      freeObj.showTips("视频自动播放已启动");
      freeObj.pageData.videoTimer = setInterval(async () => {
        try {
          if (freeObj.pageData.waitTime > 0) {
            freeObj.pageData.waitTime--;
            return;
          }
          let video = freeObj.getVideoElement();
          if (!video) {
            console.log("%c no video", "background:rgb(0,0,0);color:#fff");
            return;
          }
          let curTime = video.currentTime;
          if (curTime == freeObj.pageData.lastTime) {
            freeObj.pageData.checkTimes--;
            if (freeObj.pageData.checkTimes <= 0) {
              freeObj.pageData.checkTimes = 60;
              freeObj.showTips("视频似乎卡住了，正在刷新页面...");
              setTimeout(() => location.reload(), 3000);
              return;
            }
          } else {
            freeObj.pageData.lastTime = curTime;
            freeObj.pageData.checkTimes = 60;
          }
          video.volume = 0;
          let title = `进度：${curTime.toFixed(0)}/${video.duration.toFixed(0)}`;
          $("title").text(title);
          freeObj.updateFloatingBoxProgress(title);
          let isFinish = video.duration > 0 && curTime + 5 >= video.duration;
          if (isFinish) {
            freeObj.pageData.waitTime = 15;
            freeObj.showTips("视频即将结束");
            freeObj.handleVideoFinish();
            return;
          }
          if (video.paused && !isFinish) {
            video.play().catch(() => { });
          }
        } catch (e) {
          console.error("视频定时器出错", e);
        }
      }, 1000);
      freeObj.pageData.checkTimer = setTimeout(async () => {
        let video = freeObj.getVideoElement();
        if (video) {
          let time = video.currentTime;
          await freeObj.wait(5000);
          if (video.currentTime == time) {
            freeObj.showTips("视频似乎卡住了，3秒后刷新页面");
            setTimeout(() => location.reload(), 3000);
          }
        }
      }, 60000);
    },
    handleVideoFinish() {
      freeObj.processVideoCompletion();
    },
    processVideoCompletion() {
      let countData = freeObj.incrementVideoCount();
      freeObj.displayVideoProgress(countData);
      freeObj.checkPostVideoAction(countData);
    },
    incrementVideoCount() {
      let current = freeObj.getVideoCount();
      current++;
      freeObj.setVideoCount(current);
      let max = freeObj.getMaxVideoCount();
      return { current: current, max: max };
    },
    displayVideoProgress(countData) {
      let msg = freeObj.buildProgressMsg(countData);
      freeObj.showTips(msg);
    },
    buildProgressMsg(data) {
      let formats = [
        "当前已学习 {current}/{max} 个视频",
        "已完成 {current}/{max} 个视频学习",
        "学习进度 {current}/{max}"
      ];
      let idx = (data.current + data.max) % formats.length;
      return formats[idx].replace("{current}", data.current).replace("{max}", data.max);
    },
    checkPostVideoAction(countData) {
      let action = freeObj.determineNextAction(countData);
      freeObj.executeNextAction(action);
    },
    determineNextAction(countData) {
      if (countData.current >= countData.max) {
        return { type: "showVip", delay: 2000 };
      }
      return { type: "checkNext", delay: 10000 };
    },
    executeNextAction(action) {
      setTimeout(() => {
        if (action.type === "showVip") {
          freeObj.triggerVipUpgradePrompt();
        } else {
          freeObj.checkAndNavigateNext();
        }
      }, action.delay);
    },
    triggerVipUpgradePrompt() {
      let promptData = freeObj.buildVipPromptData();
      freeObj.displayLimitWarning(promptData);
    },
    buildVipPromptData() {
      let max = freeObj.getMaxVideoCount();
      let titles = ["免费额度已用完", "试用次数已耗尽", "体验次数已达上限"];
      let contents = [
        "免费脚本可全自动学习前{max}个视频，目前免费额度已经用完，请升级VIP版本后继续使用。",
        "当前免费版本支持{max}个视频自动学习，您的额度已用完，升级VIP可解锁无限学习。"
      ];
      let titleIdx = max % titles.length;
      let contentIdx = (max + 1) % contents.length;
      return {
        title: titles[titleIdx],
        content: contents[contentIdx].replace("{max}", max)
      };
    },
    checkAndNavigateNext() {
      if ($(`#rightBox [class^='item-wrap_']:last`).find(`[class^='rate-span_']`).text().trim() == '完成') {
        freeObj.showTips("准备前往详情页面");
        setTimeout(() => {
          $(`span[class^="return-icon"]`).click();
        }, 3000);
      }
    },
    pageCourseDetail() {
      console.log("%c pageCourseDetail", "background:rgb(0,0,0);color:#fff");
      freeObj.waitForElement(() => $(".grt-collapse-item").length > 0, async () => {
        await freeObj.wait(2000);
        let $elArr = [];
        $(".grt-collapse-item").not('.grt-collapse-item-active').each((i, el) => {
          $elArr.push($(el));
        });
        for (let i = 0; i < $elArr.length; i++) {
          const $el = $elArr[i];
          $el.find(`[class^='panel-header']`).click();
          await freeObj.wait(200);
        }
        await freeObj.wait(500);
        let $el = null;
        $("[class^='section-box']").each((i, el) => {
          if ($(el).find(`[class^='progress-label']`).length > 0) {
            if ($(el).find(`[class^='progress-label']`).text() == '完成') {
              return true;
            }
          }
          $el = $(el);
          return false;
        });
        if ($el == null) {
          freeObj.showTips("学习完成");
          return;
        }
        freeObj.showTips("3秒后开始播放视频");
        await freeObj.wait(3000);
        $el.find(`[class^='section-list']:first`).find(`[class^='list-title']`).click();
      });
    },
    getVideoElement() {
      try {
        return $("video")[0];
      } catch (e) {
        return null;
      }
    },
    getVideoCount() {
      return GM_getValue("videoPlayCount", 0);
    },
    setVideoCount(count) {
      GM_setValue("videoPlayCount", count);
    },
    waitForElement(condition, callback, interval = 1000, timeout = 30) {
      let _timeOut = timeout * 1000;
      if (condition()) {
        callback();
        return;
      }
      let index = setInterval(() => {
        _timeOut -= interval;
        if (_timeOut < 0) {
          clearInterval(index);
          return;
        }
        if (condition()) {
          clearInterval(index);
          callback();
        }
      }, interval);
    },
    wait(timeout) {
      return new Promise(resolve => setTimeout(resolve, timeout));
    },
    showTips(msg, duration = 3000) {
      console.log("%c " + msg, "background:rgb(0,255,0);color:#000");
      freeObj.updateFloatingBoxTips(msg);
      freeObj.showToast(msg, duration);
    },
    showToast(msg, duration = 3000) {
      $("#freeToastOverlay").remove();
      let autoClose = duration > 0;
      let closeBtnHtml = autoClose
        ? `<div style="margin-top:15px;color:#888;font-size:12px;">${duration / 1000}秒后自动关闭</div>`
        : `<div style="margin-top:15px;"><span id="freeToastClose" style="cursor:pointer;color:#00ffcc;font-size:14px;font-weight:bold;">点击关闭</span></div>`;
      let $toast = $(`
        <div id="freeToastOverlay" style="position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);z-index:999999;display:flex;justify-content:center;align-items:flex-start;padding-top:20vh;">
          <div style="background:linear-gradient(135deg,#1a1a2e,#16213e);color:#fff;padding:20px 30px;border-radius:12px;font-size:16px;max-width:80%;box-shadow:0 0 30px rgba(0,255,204,0.4);border:2px solid #00ffcc;text-align:center;animation:freeToastFadeIn 0.3s ease-out;">
            <div style="color:#00ffcc;font-size:24px;margin-bottom:10px;">🔔</div>
            <div style="color:#fff;line-height:1.6;">${msg}</div>
            ${closeBtnHtml}
          </div>
        </div>
      `);
      $("body").append($toast);
      if ($("#freeToastStyle").length === 0) {
        $("head").append(`<style id="freeToastStyle">
          @keyframes freeToastFadeIn{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}
          @keyframes freeToastFadeOut{from{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-20px)}}
        </style>`);
      }
      if (!autoClose) {
        $("#freeToastClose").on("click", function () {
          let $overlay = $("#freeToastOverlay");
          $overlay.find("div").first().css("animation", "freeToastFadeOut 0.3s ease-out");
          setTimeout(() => $overlay.remove(), 300);
        });
      }
      if (autoClose) {
        setTimeout(() => {
          let $overlay = $("#freeToastOverlay");
          if ($overlay.length > 0) {
            $overlay.find("div").first().css("animation", "freeToastFadeOut 0.3s ease-out");
            setTimeout(() => $overlay.remove(), 300);
          }
        }, duration);
      }
    },
    showVipUpgradeBox(title, content) {
      $("#freeVipBox").remove();
      let $box = $(`
        <div id="freeVipBox" style="position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);z-index:999999;background:linear-gradient(135deg,#1a1a2e,#16213e);padding:20px;border-radius:12px;color:#fff;font-size:14px;max-width:400px;box-shadow:0 0 30px rgba(0,255,204,0.3);border:2px solid #00ffcc;">
          <div style="display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;">
            <strong style="color:#ffcc00;font-size:18px;">🔔 ${title}</strong>
            <span class="free-vip-close" style="cursor:pointer;color:#ff6666;font-size:24px;font-weight:bold;">×</span>
          </div>
          <div style="margin-bottom:15px;line-height:1.6;color:#ddd;">
            ${content}
          </div>
          <div style="text-align:center;margin-bottom:10px;">
            <a href="${docUrl}" target="_blank" style="display:inline-block;background:linear-gradient(135deg,#ff6b6b,#ee5a6f);color:#fff;text-decoration:none;padding:10px 25px;border-radius:25px;font-weight:bold;font-size:16px;box-shadow:0 4px 15px rgba(255,107,107,0.4);">
              立即升级VIP版本
            </a>
          </div>
          <div style="text-align:center;color:#888;font-size:12px;">
            VIP特权：永久使用 | 免费维护 | 不限制电脑 | 秒过视频 | 自动换课
          </div>
        </div>
      `);
      $("body").append($box);
      $box.find(".free-vip-close").on("click", function () {
        $box.remove();
      });
    },
    showFloatingBox() {
      if ($("#freeFloatingBox").length > 0) return;
      let videoCount = freeObj.getVideoCount();
      let maxCount = freeObj.getMaxVideoCount();
      let $box = $(`
        <div id="freeFloatingBox" style="position:fixed;left:10px;bottom:10px;z-index:999998;background:rgba(0,0,0,0.9);border:1px solid #00ffcc;border-radius:8px;padding:8px;min-width:200px;max-width:280px;font-size:13px;color:#fff;box-shadow:0 0 10px rgba(0,255,204,0.3);">
          <div id="freeFloatingHeader" style="cursor:move;user-select:none;display:flex;justify-content:space-between;align-items:center;padding-bottom:6px;border-bottom:1px solid #333;margin-bottom:6px;">
            <strong style="color:#00ffcc;font-size:14px;">脚本运行状态</strong>
            <span id="freeCloseBtn" style="cursor:pointer;color:#ff6666;font-size:18px;font-weight:bold;">×</span>
          </div>
          <div id="freeFloatingContent">
            <div style="margin-bottom:4px;">
              <span style="color:#888;">当前状态：</span>
              <span id="freeStatusText" style="color:#00ff88;">等待启动</span>
            </div>
            <div style="margin-bottom:4px;">
              <span style="color:#888;">播放进度：</span>
              <span id="freeProgressText" style="color:#00ff88;">0/0</span>
            </div>
            <div style="margin-bottom:4px;">
              <span style="color:#888;">已学习：</span>
              <span id="freeCountText" style="color:#ffdd00;">${videoCount}/${maxCount} </span>
            </div>
            <div style="margin-bottom:6px;">
              <span style="color:#888;">提示信息：</span>
              <span id="freeTipsText" style="color:#00ddff;">就绪</span>
            </div>
            <div style="background:#333;border-radius:4px;padding:6px;margin-bottom:6px;">
              <div style="font-size:12px;color:#ffdd00;margin-bottom:4px;">💡 免费版本功能</div>
              <div style="font-size:11px;color:#fff;line-height:1.4;">
                ✓ 解除视频暂停限制<br>
                ✓ 自动播放视频<br>
                ✓ 受限的视频自动换课功能
              </div>
              <div style="font-size:11px;color:#ff6666;line-height:1.4;margin-top:4px;">
                ✗ 加速学习（VIP专属）<br>
                ✗ 自动换课程（VIP专属）<br>
                ✗ 秒过视频（VIP专属）
              </div>
            </div>
            <div style="text-align:center;">
              <a href="${docUrl}" target="_blank" style="display:inline-block;background:linear-gradient(135deg,#ff6b6b,#ee5a6f);color:#fff;text-decoration:none;padding:8px 20px;border-radius:20px;font-weight:bold;font-size:14px;box-shadow:0 2px 10px rgba(255,107,107,0.4);">
                👉点击升级VIP版本
              </a>
            </div>
          </div>
        </div>
      `);
      $("body").append($box);
      $("#freeCloseBtn").on("click", function () {
        $("#freeFloatingBox").remove();
      });
      freeObj.initDrag("#freeFloatingHeader", "#freeFloatingBox");
    },
    initDrag(handleSelector, boxSelector) {
      let $handle = $(handleSelector);
      let $box = $(boxSelector);
      let isDragging = false;
      let startX, startY, initialLeft, initialTop;
      $handle.on("mousedown", function (e) {
        if ($(e.target).is("#freeCloseBtn")) return;
        isDragging = true;
        startX = e.clientX;
        startY = e.clientY;
        let rect = $box[0].getBoundingClientRect();
        $box.css({
          top: rect.top + "px",
          bottom: "auto"
        });
        initialLeft = rect.left;
        initialTop = rect.top;
        $box.css("transition", "none");
        e.preventDefault();
      });
      $(document).on("mousemove", function (e) {
        if (!isDragging) return;
        let deltaX = e.clientX - startX;
        let deltaY = e.clientY - startY;
        $box.css({
          left: (initialLeft + deltaX) + "px",
          top: (initialTop + deltaY) + "px"
        });
      });
      $(document).on("mouseup", function () {
        isDragging = false;
      });
    },
    updateFloatingBoxTips(msg) {
      $("#freeTipsText").text(msg);
    },
    updateFloatingBoxProgress(progress) {
      $("#freeProgressText").text(progress);
    },
    updateFloatingBoxStatus(status) {
      $("#freeStatusText").text(status);
    },
    updateFloatingBoxCount() {
      let videoCount = freeObj.getVideoCount();
      let maxCount = freeObj.getMaxVideoCount();
      $("#freeCountText").text(`${videoCount}/${maxCount} `);
    },
    syncCourseData() {
      console.log("%c syncCourseData", "background:rgb(0,0,0);color:#fff");
    },
    checkExamStatus() {
      console.log("%c checkExamStatus", "background:rgb(0,0,0);color:#fff");
    },
    updateVideoProgress() {
      console.log("%c updateVideoProgress", "background:rgb(0,0,0);color:#fff");
    },
    recordUserAction() {
      console.log("%c recordUserAction", "background:rgb(0,0,0);color:#fff");
    },
    initAutoPlayConfig() {
      console.log("%c initAutoPlayConfig", "background:rgb(0,0,0);color:#fff");
    },
    getMaxVideoCount() {
      let _t = Date.now();
      let _v = parseInt(_cfg.v) || 20261110;
      let _k = _cfg.k ^ 0x1F32;
      let _s1 = _cfg.m.reduce((a, b) => a + b, 0);
      let _s2 = _cfg.m.filter(x => x > 10).length;
      let _h = 0;
      let _str = _cfg.v + "_" + _cfg.k;
      for (let i = 0; i < _str.length; i++) {
        _h = ((_h << 5) - _h) + _str.charCodeAt(i);
        _h = _h & _h;
      }
      let _r1 = Math.abs(_h) % 16;
      let _r2 = (_s1 + _s2) % 32;
      let _r3 = (_k >> 2) & 0xF;
      let _r4 = Math.floor(Math.sqrt(_v % 100));
      let _base = (_r1 + _r2 + _r3 + _r4) % 16;
      let _lookup = [8, 6, 7, 9, 10, 6, 8, 8, 9, 8, 6, 7, 8, 9, 10, 6];
      let _final = _lookup[_base];
      let _verify = (_k & 0xF) === 8 ? 0 : 1;
      return _final + _verify;
    }
  };
  setTimeout(() => {
    if (typeof (zfk) == 'undefined') {
      freeObj.init();
    } else {
      console.log('skip init');
    }
  }, 3000);
})();