var campaignID = "";
var cachebuster = Math.round(new Date().getTime() / 1000);
var rtkClickID;
function removeParam(key, sourceURL) {
    var rtn = sourceURL.split("?")[0],
        param, params_arr = [],
        queryString = (sourceURL.indexOf("?") !== -1) ? sourceURL.split("?")[1] : "";
    if (queryString !== "") {
        params_arr = queryString.split("&");
        for (var i = params_arr.length - 1; i >= 0; i -= 1) {
            param = params_arr[i].split("=")[0];
            if (param === key) {
                params_arr.splice(i, 1);
            }
        }
        rtn = rtn + "?" + params_arr.join("&");
    }
    return rtn;
};
var urlParams = new URLSearchParams(window.location.search);

var pixelParams = "&" + window.location.search.substr(1)
if (campaignID == "") {
    campaignID = urlParams.get('rtkcmpid')
}
let initialSrc = "https://539xm.ttrk.io/"+campaignID+"?format=json";
var rawData;
var replaceLink = function(match, offset, string) {
    var nextSymbol = string.charAt(offset+ match.length)
    nextSymbol = parseInt(nextSymbol)
    if (!isNaN(nextSymbol)) {
        return "539xm.ttrk.io/click/"+nextSymbol+"?clickid="+rtkClickID+"&rtkck="+cachebuster+"&"
    }
    else {
        return "539xm.ttrk.io/click?clickid="+rtkClickID+"&rtkck="+cachebuster+"&"
    }
}


setTimeout(function(){
    if (!urlParams.get('rtkcid')) {
        xhr = new XMLHttpRequest;
        xhr.onreadystatechange = function() {
            if (xhr.readyState == 4 && xhr.status == 200) {
                rawData = JSON.parse(xhr.responseText);
                rtkClickID = rawData.clickid
                if(document.getElementsByTagName("body")[0].innerHTML.indexOf("539xm.ttrk.io/click/") > -1){
                    document.getElementsByTagName("body")[0].innerHTML = document.getElementsByTagName("body")[0].innerHTML.replace(/539xm.ttrk.io\/click\/?/g, replaceLink);
                }
                else if (document.getElementsByTagName("body")[0].innerHTML.indexOf("539xm.ttrk.io/click") > -1) {
                    document.getElementsByTagName("body")[0].innerHTML = document.getElementsByTagName("body")[0].innerHTML.replace(/539xm.ttrk.io\/click/g, replaceLink);
                }
                xhrr = new XMLHttpRequest;
                xhrr.open("GET", "https://539xm.ttrk.io/view?clickid="+rawData.clickid)
                xhrr.send();
            }
        }
        xhr.open("GET", initialSrc+pixelParams)
        xhr.send();
    }
    else {
        rtkClickID = urlParams.get('rtkcid')
        xhrTrack = new XMLHttpRequest;
        xhrTrack.open("GET", "https://539xm.ttrk.io/view?clickid="+rtkClickID )
        xhrTrack.send();
        if(document.getElementsByTagName("body")[0].innerHTML.indexOf("539xm.ttrk.io/click/") > -1){
            document.getElementsByTagName("body")[0].innerHTML = document.getElementsByTagName("body")[0].innerHTML.replace(/539xm.ttrk.io\/click\/?/g, replaceLink);
        }
        else if (document.getElementsByTagName("body")[0].innerHTML.indexOf("539xm.ttrk.io/click") > -1) {
            document.getElementsByTagName("body")[0].innerHTML = document.getElementsByTagName("body")[0].innerHTML.replace(/539xm.ttrk.io\/click/g, replaceLink);
        }
    }
}, 5e1)