((id) => {
  const append = (scriptid, url, async) => {
    let d = document,
      sn = 'script',
      f = d.getElementsByTagName(sn)[0];
    if (!f) {
      f = d.head;
    }
    const s = d.createElement(sn);
    s.async = async;
    s.id = scriptid;
    s.src = url;
    s.nonce = '{{{NONCE}}}';
    s.charset = 'utf-8';
    f.parentNode.insertBefore(s, f);
  };

  const is2parttld = (value) => {
    const tldindicators = ['co', 'com', 'info', 'web', 'info', 'gov', 'edu', 'biz', 'net', 'org'];
    const countryindicators = [
      'uk',
      'us',
      'fr',
      'es',
      'de',
      'at',
      'au',
      'ae',
      'be',
      'br',
      'ca',
      'ch',
      'cn',
      'co',
      'cz',
      'dk',
      'eg',
      'eu',
      'fi',
      'gb',
      'gr',
      'hk',
      'hr',
      'hu',
      'ie',
      'in',
      'jp',
      'mx',
      'nl',
      'no',
      'nz',
      'pl',
      'ro',
      'ru',
      'se',
    ];
    return tldindicators.indexOf(value) !== -1 || countryindicators.indexOf(value) !== -1;
  };

  const getRootDomain = () => {
    let rootDomain = '';
    const parts = window.location.hostname.split('.');
    if (parts.length === 2) {
      rootDomain = parts[0];
    } else if (parts.length > 2) {
      // see if the next to last value is a common tld
      const part = parts[parts.length - 2];
      if (is2parttld(part)) {
        rootDomain = parts[parts.length - 3]; // go back one more
      } else {
        rootDomain = part;
      }
    }
    return rootDomain;
  };

  const waitForElementToDisplay = (selector, callback, checkFrequencyInMs, timeoutInMs) => {
    const startTimeInMs = Date.now();
    const loopSearch = () => {
      if (document.querySelector(selector) != null) {
        callback();
        return;
      } else {
        setTimeout(() => {
          if (timeoutInMs && Date.now() - startTimeInMs > timeoutInMs) {
            return;
          }
          loopSearch();
        }, checkFrequencyInMs);
      }
    };
    loopSearch();
  };

  window.evidon = {};
  window.evidon.id = id;
  window.evidon.test = false; // set to true for non-production testing.
  // window.evidon.userid = '';

  const cdn = '//c.evidon.com/';
  const rootDomain = getRootDomain();
  const noticecdn = cdn + 'sitenotice/';

  append('evidon-notice', noticecdn + 'evidon-sitenotice-tag.js', false);
  append('evidon-location', cdn + 'geo/country.js', true);
  append('evidon-themes', noticecdn + id + '/snthemes.js', true);
  if (rootDomain) {
    append(
      'evidon-settings',
      noticecdn + id + '/' + rootDomain + (window.evidon.test ? '/test' : '') + '/settings.js',
      true,
    );
  }

  window.evidon.priorConsentCallback = (categories, vendors, cookies) => {
    // add the tags which need to wait for prior consent
    // here.  This should be all your advertising tags and
    // probably most of your social and tracking tags.
  };

  window.evidon.closeCallback = () => {
    // this is executed if the user closed a UI element without either Accepting (providing consent)
    // or Declining (declining to provide consent).
  };

  window.evidon.consentWithdrawnCallback = () => {
    // this is exeucted if the user withdraws consent and elects to
    // no longer allow technologies to run on the site.
  };

  window.evidon.consentDeclinedCallback = () => {
    // this is executed if the user explicitly declines giving consent by
    // using a Decline button
  };

  waitForElementToDisplay(
    '#_evidon_banner',
    () => {
      const buttonsParent = document.getElementById('_evidon_banner');
      const newDiv = document.createElement('div');
      newDiv.className = 'evidon-buttons';
      const optionButton = document.getElementById('_evidon-option-button');
      const declineButton = document.getElementById('_evidon-decline-button');
      const acceptButton = document.getElementById('_evidon-accept-button');
      buttonsParent.appendChild(newDiv);
      newDiv.appendChild(optionButton);
      newDiv.appendChild(declineButton);
      newDiv.appendChild(acceptButton);
    },
    100,
    10000,
  );

  waitForElementToDisplay(
    '#evidon-prefdiag-nav-2',
    () => {
      document.getElementById('evidon-prefdiag-nav-2').children[0].innerHTML = document
        .getElementById('evidon-prefdiag-nav-2')
        .children[0].innerHTML.replace('Cookie Policy', 'Cookie Statement');
    },
    100,
    10000,
  );
  waitForElementToDisplay(
    '#prc-message',
    () => {
      document.getElementById('prc-message').children[0].innerHTML = document
        .getElementById('prc-message')
        .children[0].innerHTML.replace('Cookie Policy', 'Cookie Statement');
    },
    100,
    10000,
  );

  waitForElementToDisplay(
    '#_evidon_banner',
    () => {
      const theme = localStorage.getItem('prefers_color');
      if (theme === 'dark') {
        document.getElementById('_evidon_banner').classList.add('dark-theme');
      }
    },
    100,
    10000,
  );

  waitForElementToDisplay(
    '#evidon-prefdiag-overlay',
    () => {
      const theme = localStorage.getItem('prefers_color');
      if (theme === 'dark') {
        document.getElementById('evidon-prefdiag-overlay')?.classList?.add('dark-theme');
      }
    },
    100,
    10000,
  );

  // Uncomment below to test locally
  // setTimeout(() => window.evidon.notice.setDomain('qa-developerstudio.fiserv.com'), 2000);
})(6251);