function getUrlVarsParser() {
	var vars2 = {};
	var parts2 = location.href.toString();
	parts2.replace(/[?&]+([^=&]+)=([^&]*)/gi, function(m2,key2,value2) {
		vars2[key2] = value2;
	});
	return vars2;
}

function isEmpty(str) {
    return (!str || 0 === str.length);
}

function b(a, c, d) {
	d || (d = document.body);
	var g, h, i, e = d.childNodes, f = new RegExp(a,"gi"), j = a.replace(/\D+/g, ""), k = c.replace(/\D+/g, "");
	for (g = 0,
	h = e.length; g < h; g++) {
		if (i = e[g],
		1 == i.nodeType && "A" == i.tagName) {
			var l = i.getAttribute("href");
			l && i.setAttribute("href", l.replace(j, k))
		}
		3 == i.nodeType ? i.textContent ? i.textContent = i.textContent.replace(f, c) : i.nodeValue = i.nodeValue.replace(f, c) : b(a, c, e[g])
	}
}

var ajax_tracking = {};
ajax_tracking.x = function () {
    var xhr;

    if (window.XMLHttpRequest) {

        xhr = new XMLHttpRequest();
    } else {

        xhr = new ActiveXObject("Microsoft.XMLHTTP");
    }
    return xhr;
};

ajax_tracking.send = function (url, callback, method, data, async) {
    if (async === undefined) {
        async = true;
    }
    var x = ajax_tracking.x();
    x.open(method, url, async);
    x.onreadystatechange = function () {
        if (x.readyState == 4) {
            callback(x.responseText)
        }
    };
    if (method == 'POST') {
        x.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
    }
    x.send(data)
};

ajax_tracking.get = function (url, data, callback, async) {
    var query = [];
    for (var key in data) {
        query.push(encodeURIComponent(key) + '=' + encodeURIComponent(data[key]));
    }
    ajax_tracking.send(url + (query.length ? '?' + query.join('&') : ''), callback, 'GET', null, async)
};

ajax_tracking.post = function (url, data, callback, async) {
    var query = [];
    for (var key in data) {
        query.push(encodeURIComponent(key) + '=' + encodeURIComponent(data[key]));
    }
    ajax_tracking.send(url, callback, 'POST', query.join('&'), async)
};

if (document.readyState !== 'loading') {
    console.log('document is already ready, just execute code here');
    run();
} else {
    document.addEventListener('DOMContentLoaded', function () {
        console.log('document was not ready, place code here');
        run();
    }); 
}

function run() {
		console.log('Running');	
		var referrer = '';
		if (document.referrer.indexOf(location.protocol + "//" + location.host) !== 0) {
			referrer = document.referrer;
		}
		var ip = '3.21.248.119';
		var child_id = 44;
		var gclib = getUrlVarsParser()["gclid"];
		if (!isEmpty(gclib)) {
			referrer = referrer + '_gclib=' + gclib; 			
		} 
		if (!isEmpty(ip)) {
			referrer = referrer + '_ip=' + ip; 
		} 
		console.log('referrer: ' + referrer);			
		if (typeof ga === 'function') {
			console.log('ga is a function');			
			ga(function(tracker) {
				var client_id = tracker.get('clientId');
				ajax_tracking.post (
					'https://call-tracking.oq.dk/frontend/frontend_get_number',
					{customer_id: 44, google_client_id:  client_id},
					function(data) {
						if (data != '')
						{
							var data_received = data.split(";");
							//replaceText('body', data_received[3], data_received[4], 'g');
							b(data_received[3], data_received[4]);
							var str = data_received[3];
							str = str.replace(/\s+/g, '');				
							//replaceText('body', str, data_received[4], 'g');
							b(str, data_received[4]);
							if (data_received[5] == '1') {
								ajax_tracking.post (
									'https://call-tracking.oq.dk/frontend/frontend_ajax',
									{referrer: referrer, number_id: data_received[0]},
									function(data) {
										console.log(data);
									}
								);
							}
						} else {
							console.log("No data received");
						}
					}
				);  
			});
			console.log('ga is a function done');						
		} else {
		  console.log('gtag is a function');
		  function gtag(){
			dataLayer.push(arguments);
		  }
		  gtag('js', new Date());
		  gtag('config', 'G-GZ7Y06JFY4');

				  console.log('gtag read?');
			gtag('get', 'G-GZ7Y06JFY4', 'client_id', function(client_id) {
				console.log(client_id)
				var client_id = client_id;
				gtag('get', 'G-GZ7Y06JFY4', 'session_id', (sessionId) => {
					console.log(sessionId);
					var sessionid = sessionId;
					ajax_tracking.post (
						'https://call-tracking.oq.dk/frontend/frontend_get_number',
						{customer_id: 44, google_client_id:  client_id },
						function(data) {
							if (data != '')
							{
								var data_received = data.split(";");
								//replaceText('body', data_received[3], data_received[4], 'g');
								b(data_received[3], data_received[4]);
								var str = data_received[3];
								str = str.replace(/\s+/g, '');				
								//replaceText('body', str, data_received[4], 'g');
								b(str, data_received[4]);
								if (data_received[5] == '1') {
									ajax_tracking.post (
										'https://call-tracking.oq.dk/frontend/frontend_ajax',
										{referrer: referrer, number_id: data_received[0]},
										function(data) {
											console.log(data);
										}
									);						
								}
								ajax_tracking.post (
									'https://call-tracking.oq.dk/frontend/frontend_ajax2',
									{googlesessionid: sessionid, number_id: data_received[0]},
									function(data) {
										console.log(data);
									}
								);										
							} else {
								console.log("No data received");							
							}
						}
					);  				
				})
			})
			console.log('gtag is a function done');
		}
}