{{- $pc := .Site.Config.Privacy.GoogleAnalytics -}}
{{- if not $pc.Disable }}{{ with .Site.Config.Services.GoogleAnalytics.ID -}}
{{ if hasPrefix . "G-"}}
<script async src="https://www.googletagmanager.com/gtag/js?id={{ . }}"></script>
<script>
    window.dataLayer = window.dataLayer || [];
    function gtag(){dataLayer.push(arguments);}
    gtag('js', new Date());
    gtag('config', '{{ . }}', {
        'anonymize_ip': {{- $pc.AnonymizeIP -}},
        'user_properties': {
            'analyticsCookieId': getAnalyticsCookieId()
        }
    });

    function getAnalyticsCookieId() {
      var cookie = {};
      document.cookie.split(';').forEach(function (el) {
        var splitCookie = el.split('=');
        var key = splitCookie[0].trim();
        var value = splitCookie[1];
        cookie[key] = value;
      });
  
      if ('undefined' === typeof cookie['_ga']) { return '' };
  
      return cookie['_ga'].substring(6);
    }
</script>
{{- end }}{{ end -}}
{{- end -}}