var _cs_gateway_cfg = JSON.parse('{"sid":"78tmt5ef8vr4epab532pj1ehma","uid":"","fsid":"17257-12245-0d09-0d19"}');/*
 * Tracking Snippet
 */

(function() {
    //console.log("userAgent - " + navigator.userAgent);
    var documentScript = document.currentScript;
    if(!documentScript && _cs_gateway_cfg.hasOwnProperty('currentScript')){
        var documentScript = document.getElementById(_cs_gateway_cfg.currentScript);
    }
    var trackerCallback = null;
    if(documentScript){
        trackerCallback = documentScript.trackerCallback;
    }

    var data = {
        clientSessionId: _cs_gateway_cfg.fsid,
        userAgent: navigator.userAgent,
        href: window.location.href,
        hostname: window.location.hostname,
        pathname: window.location.pathname
    };

    // Requirements
    // 0 - not required, 1 - required, 2 - loaded
    var required = {
        fingerprintjs2: 1,
        jstimezonedetect: 1
    };

    // Pull Cookie
    var cookieName = "_fc";
    var cookie = getCookie(cookieName);
    if(cookie !== ""){
        data.cookie = cookie;
    }

    // fingerprintjs2
    // https://github.com/Valve/fingerprintjs2
    // https://cdnjs.cloudflare.com/ajax/libs/fingerprintjs2/1.5.1/fingerprint2.min.js
    if(required.fingerprintjs2){
        var url = 'https://cdnjs.cloudflare.com/ajax/libs/fingerprintjs2/1.5.1/fingerprint2.min.js';
        loadScript(url, function() {
            var options = {
                excludeJsFonts: true,
                excludeCanvas: true,
                excludeWebGL: true
            };

            new Fingerprint2(options).get(function(result, components){
                data.fingerprintjs2 = result;
                //console.log("fingerprint2 - " + result);

                for (var index in components) {
                    var obj = components[index];
                    var key = obj.key;
                    var value = obj.value;
                    //console.log(key + " - " + value);

                    switch(key){
                        case 'language': data.language = value; break;
                        case 'color_depth': data.colorDepth = value; break;
                        case 'pixel_ratio': data.pixelRatio = value; break;
                        case 'hardware_concurrency': data.hardwareConcurrency = value; break;
                        case 'resolution': data.resolution = value; break;
                        case 'available_resolution': data.availableResolution = value; break;
                        case 'timezone_offset': data.timezoneOffset = value; break;
                        case 'session_storage': data.sessionStorage = value; break;
                        case 'local_storage': data.localStorage = value; break;
                        case 'indexed_db': data.indexedDatabase = value; break;
                        case 'open_database': data.openDatabase = value; break;
                        case 'cpu_class': data.cpuClass = value; break;
                        case 'navigator_platform': data.navigatorPlatform = value; break;
                        case 'do_not_track': data.doNotTrack = value; break;
                        case 'regular_plugins': data.regularPlugins = value; break;
                        case 'adblock': data.adblock = value; break;
                        case 'has_lied_languages': data.hasLiedLanguages = value; break;
                        case 'has_lied_resolution': data.hasLiedResolution = value; break;
                        case 'has_lied_os': data.hasLiedOS = value; break;
                        case 'has_lied_browser': data.hasLiedBrowser = value; break;
                        case 'touch_support': data.touchSupport = value; break;
                        case 'js_fonts': data.jsFonts = value; break;
                    }
                }

                required.fingerprintjs2 = 2;
                if(sendReady(required)){
                    sendData(data);
                }
            });
        });
    }

    // jstimezonedetect
    // https://cdnjs.cloudflare.com/ajax/libs/jstimezonedetect/1.0.6/jstz.min.js
    if(required.jstimezonedetect){
        var url = 'https://cdnjs.cloudflare.com/ajax/libs/jstimezonedetect/1.0.6/jstz.min.js';
        loadScript(url, function() {
            var tz = jstz.determine();
            data.timezone = tz.name();
            //console.log("timezone - " + data.timezone);

            required.jstimezonedetect = 2;
            if(sendReady(required)){
                sendData(data);
            }
        });
    }

    function loadScript(url, callback){
        var s = document.createElement('script');
        s.type = 'text/javascript';
        s.async = true;
        s.src = url;
        s.onreadystatechange = callback;
        s.onload = callback;
        var x = document.getElementsByTagName('script')[0];
        x.parentNode.insertBefore(s, x);
    }

    function sendReady(required){
        for(var key in required){
            if(required[key] === 1){
                return false;
            }
        }
        return true;
    }

    function sendData(data){
        //console.log("Sending Data...");

        // Prepare Data
        var params = [];
        if(data && typeof(data) === 'object') {
            for(var key in data){
                params.push(encodeURIComponent(key) + '=' + encodeURIComponent(data[key]));
            }
        }
        params = params.join('&');

        // XMLHTTPRequest
        try{
            var xhr = new XMLHttpRequest();
            var url = "https://fraud.cardswap.ca/tracker/beacon";
            xhr.open("POST", url, true);
            //xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
            xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
            xhr.onreadystatechange = function(){
                if (this.readyState == 4 && this.status == 200) {
                    var response = JSON.parse(this.responseText);
                    var data = response.data;
                    saveCookie(data.cookie, data.expiration);

                    // Send Tracker Callback
                    typeof trackerCallback === 'function' && trackerCallback(data);
                }
            };
            xhr.send(params);
        }catch(e){
            //console.log("Error");
        }
    };

    function saveCookie(cookie, expiration){
        var d = new Date();
        d.setTime(expiration);
        document.cookie = cookieName+"="+cookie+";expires="+d.toUTCString()+";path=/";
    }

    function getCookie(cname) {
        var name = cname + "=";
        var decodedCookie = decodeURIComponent(document.cookie);
        var ca = decodedCookie.split(';');
        for(var i = 0; i <ca.length; i++) {
            var c = ca[i];
            while (c.charAt(0) == ' ') {
                c = c.substring(1);
            }
            if (c.indexOf(name) == 0) {
                return c.substring(name.length, c.length);
            }
        }
        return "";
    }

})();