var __indexUtils = {
  loadJs: function (url) {
    var script = document.createElement('script');

    script.type = 'text/javascript';
    script.src = url;

    document.body.appendChild(script);
  },
  getUrlParaNav: function (name) {
    var reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)');
    var r = window.location.search.substr(1).match(reg);
    if (r != null) return unescape(r[2]);
    return 0;
  },
  compareVersion: function (a, b) {
    if (a === b) {
      return true;
    }
    const aArr = a.split('.');
    const bArr = b.split('.');
    const maxLen = Math.max(aArr.length, bArr.length);
    if (aArr.length < maxLen) {
      // eslint-disable-next-line no-plusplus
      for (let i = aArr.length; i < maxLen; i++) {
        aArr[i] = 0;
      }
    } else if (bArr.length < maxLen) {
      // eslint-disable-next-line no-plusplus
      for (let i = bArr.length; i < maxLen; i++) {
        bArr[i] = 0;
      }
    }
    /* const newA = aArr.join('');
    const newB = bArr.join('');
    return Number(newA) >= Number(newB); */
    let result = false;
    // eslint-disable-next-line no-plusplus
    for (let i = 0, len = aArr.length; i < len; i++) {
      const numA = Number(aArr[i]);
      const numB = Number(bArr[i]);
      if (numA < numB) {
        break;
      }
      if (numA > numB) {
        result = true;
        break;
      }
    }
    return result;
  },
  qiYeWxVersion: function () {
    const u = navigator.userAgent;
    const info = u.match(/WxWork\/([/\d/.]+)/i);

    if (info) {
      return info[1];
    }

    return '';
  },
  isEnableQiWxToMina: function () {
    const flag =
      !!__indexUtils.qiYeWxVersion() &&
      __indexUtils.compareVersion(__indexUtils.qiYeWxVersion(), '3.0.36');
    return flag;
  },
  isInQiYeWeixin: function () {
    const browser = navigator.userAgent;
    const isQiYeWeixin = browser.match(/wxwork\//i);

    return !!isQiYeWeixin;
  },
};

var isFromPc = __indexUtils.getUrlParaNav('frompc');

if (
  (__indexUtils.isInQiYeWeixin() && __indexUtils.isEnableQiWxToMina()) ||
  isFromPc
) {
  __indexUtils.loadJs('https://res.wx.qq.com/open/js/jweixin-1.2.0.js');
  __indexUtils.loadJs(
    'https://open.work.weixin.qq.com/wwopen/js/jwxwork-1.0.0.js'
  );
} else {
  __indexUtils.loadJs('https://res.wx.qq.com/open/js/jweixin-1.6.0.js');
}