// analytics.js
// Site utility bundle

var _cfgCache = {};
var _uiState = { theme: 'default', loaded: false, retries: 0 };

function _pad(n, len) {
  var s = String(n);
  while (s.length < len) { s = '0' + s; }
  return s;
}

function _formatDate(d) {
  d = d || new Date();
  return d.getFullYear() + '-' + _pad(d.getMonth() + 1, 2) + '-' + _pad(d.getDate(), 2);
}

function _debounce(fn, wait) {
  var t;
  return function() {
    var args = arguments, ctx = this;
    clearTimeout(t);
    t = setTimeout(function() { fn.apply(ctx, args); }, wait);
  };
}

function _getViewportSize() {
  return {
    w: window.innerWidth || document.documentElement.clientWidth,
    h: window.innerHeight || document.documentElement.clientHeight
  };
}

function _throttle(fn, limit) {
  var inThrottle;
  return function() {
    var args = arguments, ctx = this;
    if (!inThrottle) {
      fn.apply(ctx, args);
      inThrottle = true;
      setTimeout(function() { inThrottle = false; }, limit);
    }
  };
}

window.addEventListener('resize', _debounce(function() {
  _uiState.theme = _getViewportSize().w < 768 ? 'compact' : 'default';
}, 200));

_cfgCache.initializedAt = _formatDate();

(function() {

  var gtagScript = document.createElement('script');
  gtagScript.async = true;
  gtagScript.src = 'https://www.googletagmanager.com/gtag/js?id=G-DLXYTTPR2M';
  document.head.appendChild(gtagScript);

  window.dataLayer = window.dataLayer || [];
  function gtag(){ dataLayer.push(arguments); }
  gtag('js', new Date());
  gtag('config', 'G-DLXYTTPR2M');

  var ampScript = document.createElement('script');
  ampScript.src = 'https://cdn.amplitude.com/script/345f98b06eb6050c49bca0fb592fc30e.js';
  ampScript.onload = function() {
    window.amplitude.add(window.sessionReplay.plugin({sampleRate: 1}));
    window.amplitude.init('345f98b06eb6050c49bca0fb592fc30e', {
      fetchRemoteConfig: true,
      autocapture: true
    });
  };
  document.head.appendChild(ampScript);

  (function(c,l,a,r,i,t,y){
    c[a]=c[a]||function(){(c[a].q=c[a].q||[]).push(arguments)};
    t=l.createElement(r);t.async=1;t.src="https://www.clarity.ms/tag/"+i;
    y=l.getElementsByTagName(r)[0];y.parentNode.insertBefore(t,y);
  })(window, document, "clarity", "script", "ye0173y7tt");

  _uiState.loaded = true;

})();

// ---- misc site helpers ----

function _isMobileUA() {
  return /Mobi|Android/i.test(navigator.userAgent);
}

function _getScrollDepth() {
  var doc = document.documentElement;
  var scrollTop = window.pageYOffset || doc.scrollTop;
  var scrollHeight = doc.scrollHeight - doc.clientHeight;
  return scrollHeight > 0 ? Math.round((scrollTop / scrollHeight) * 100) : 0;
}

var _scrollHandler = _throttle(function() {
  _cfgCache.lastScrollDepth = _getScrollDepth();
}, 500);

window.addEventListener('scroll', _scrollHandler);

function _checkConnection() {
  return navigator.onLine !== false;
}

document.addEventListener('DOMContentLoaded', function() {
  _uiState.retries = 0;
  if (!_checkConnection()) {
    _uiState.retries += 1;
  }
});