analytics.ready(function () {
	function getQueryParam(url, param) {
		// Expects a raw URL
		param = param.replace(/[[]/, "[").replace(/[]]/, "]");
		var regexS = "[?&]" + param + "=([^&#]*)",
			regex = new RegExp(regexS),
			results = regex.exec(url);
		if (
			results === null ||
			(results && typeof results[1] !== "string" && results[1].length)
		) {
			return "not set";
		} else {
			return decodeURIComponent(results[1]);
		}
	}
	var last_activity = mixpanel.get_property("last_activity");
	var session_inactivity = Math.round(
		(((Date.now() - last_activity) % 86400000) % 3600000) / 60000
	);
	if (isNaN(session_inactivity)) session_inactivity = 0;

	var campaign_keywords =
			"utm_source utm_medium utm_campaign utm_content utm_term gclid".split(
				" "
			),
		kw = "",
		last_params = {},
		first_params = {};
	var index;
	var last_touch_utms = [];
	var first_touch_utms = [];
	if (document.referrer) {
		var referrer = document.referrer;
		var referrerHostname = new URL(referrer).hostname;
		var referrerPath = new URL(referrer).pathname;
	} else {
		var referrer = "not set";
		var referrerHostname = "not set";
		var referrerPath = "not set";
	}

	if (!last_activity) {
		for (index = 0; index < campaign_keywords.length; ++index) {
			if (campaign_keywords[index] == "gclid") {
				kw = getQueryParam(document.URL, campaign_keywords[index]);
			} else {
				kw = getQueryParam(
					document.URL.toLowerCase(),
					campaign_keywords[index]
				);
			}

			last_params[campaign_keywords[index] + " last touch"] = kw;
			first_params[campaign_keywords[index]] = kw;
		}

		mixpanel.register_once(first_params);

		mixpanel.register(last_params);

		var date = new Date();
		var isoDate = date.toISOString();
		mixpanel.register_once({ "initial visit date": isoDate });

		mixpanel.register_once({ "initial page": window.location.href });

		mixpanel.register({ referrer: referrer });
		mixpanel.register({ "referrer hostname": referrerHostname });
		mixpanel.register({ "referrer path": referrerPath });

		mixpanel.register_once({ "initial referrer hostname": referrerHostname });
	} else if (session_inactivity >= 30) {
		for (index = 0; index < campaign_keywords.length; ++index) {
			if (campaign_keywords[index] == "gclid") {
				kw = getQueryParam(document.URL, campaign_keywords[index]);
			} else {
				kw = getQueryParam(
					document.URL.toLowerCase(),
					campaign_keywords[index]
				);
			}
			last_params[campaign_keywords[index] + " last touch"] = kw;
			first_params[campaign_keywords[index]] = mixpanel.get_property(
				campaign_keywords[index]
			);

			mixpanel.register(last_params);

			mixpanel.register({ referrer: referrer });
			mixpanel.register({ "referrer hostname": referrerHostname });
			mixpanel.register({ "referrer path": referrerPath });
		}
	} else {
		// no url params need to be set during existing open session
		// but they do need to be captured for Salesforce
		for (index = 0; index < campaign_keywords.length; ++index) {
			if (campaign_keywords[index] == "gclid") {
				kw = getQueryParam(document.URL, campaign_keywords[index]);
			} else {
				kw = getQueryParam(
					document.URL.toLowerCase(),
					campaign_keywords[index]
				);
			}

			last_params[campaign_keywords[index] + " last touch"] =
				mixpanel.get_property(campaign_keywords[index] + " last touch");
		}
	}

	mixpanel.register({ last_activity: Date.now() });

	var userEmail = mixpanel.get_property("email") || "";

	analytics.identify({
		email: userEmail,
		user_id: mixpanel.get_property("user_id") || "",
	});

	var properties = {};
	properties = {
		title: document.title || "",
		url: window.location.href,
		path: window.location.pathname,
		email: userEmail,
		"page path level 1": window.location.pathname.split("/")[1]
			? window.location.pathname.split("/")[1]
			: "",
		"page path level 2": window.location.pathname.split("/")[2]
			? window.location.pathname.split("/")[2]
			: "",
		"page path level 3": window.location.pathname.split("/")[3]
			? window.location.pathname.split("/")[3]
			: "",
		search: window.location.href.split("?")[1] || "",
		"page hash": window.location.hash || "",
		"page hostname": window.location.hostname,
		organization_name: mixpanel.get_property("organization_name") || "",
		organization_id: mixpanel.get_property("organization_id") || "",
		user_id: mixpanel.get_property("user_id") || "",
	};

	analytics.track("page viewed", properties);

	/*****************************************
	 * Replaces old cookie.
	 * ***************************************/

	var parsedUtmParams =
		"source=" +
		last_params["utm_source last touch"] +
		"&campaign=" +
		last_params["utm_campaign last touch"] +
		"&medium=" +
		last_params["utm_medium last touch"] +
		"&term=" +
		last_params["utm_term last touch"] +
		"&content=" +
		last_params["utm_content last touch"];

	// replaces original cookie
	function setCookie(cname, cvalue, exdays) {
		const d = new Date();
		d.setTime(d.getTime() + exdays * 24 * 60 * 60 * 1000);
		let expires = "expires=" + d.toUTCString();
		document.cookie = cname + "=" + cvalue + ";domain=.dnsfilter.com;" + expires + ";path=/";
	}

	setCookie("dnsfilterUTMParams", String(parsedUtmParams), 365);
	// replaces original cookie

	window.dataLayer = window.dataLayer || [];
	window.dataLayer.push({
		event: "Pageview",
		url: window.location.pathname,
	});

	/*****************************************
	 * to populate HubSpot form UTMs when present
	 * ***************************************/


	document.getElementsByName("mkt_utm_source_most_recent__c").forEach(utm_field => {utm_field.value=mixpanel.cookie.props.utm_source})
	document.getElementsByName("mkt_utm_medium_most_recent__c").forEach(utm_field => {utm_field.value=mixpanel.cookie.props.utm_medium})
	document.getElementsByName("mkt_utm_campaign_most_recent__c").forEach(utm_field => {utm_field.value=mixpanel.cookie.props.utm_campaign})
	document.getElementsByName("mkt_utm_content_most_recent__c").forEach(utm_field => {utm_field.value=mixpanel.cookie.props.utm_content})
	document.getElementsByName("mkt_utm_term_most_recent__c").forEach(utm_field => {utm_field.value=mixpanel.cookie.props.utm_term})
});