var adversiteConnectorHostname = 'labs.natpal.com';

var ydlVisitTypeCookieTTL = 14; // days
var ydlVisitTypeCookieName = 'vt';
var ydlPUT = 'p';
var ydlUUT = 'u';

if (adversiteConnectorHostname == null || adversiteConnectorHostname == '') {
    adversiteConnectorHostname = "labs.natpal.com";
}

function matchURL(detectionKey) {
	if(detectionKey == null) {
	    return true;
	}
	var urlParts = window.location.pathname.split('/');
	if (urlParts && urlParts.length > 0) {
		if (urlParts[1] == detectionKey) {
		    return true;
		}
	}
	return false;
}

function matchQueryString(detectionKey, detectionKeyValue) {
	if (detectionKey == null) { 
	    return true;
	}
	var queryString = window.location.search;
	if (queryString && queryString.length > 0) {
		queryString = queryString.substr(1);
		var pairs = queryString.split('&');
		if (pairs && pairs.length > 0) {
			for (var i = 0; i < pairs.length; i++) {
				var keyVal = pairs[i].split('=');
				if (keyVal && keyVal.length == 2) {
					if (keyVal[0] == detectionKey) {
						if (detectionKeyValue == null) {
						    return true;
						} 
						if (keyVal[1] == detectionKeyValue) {
						    return true;
						} 
					}
				}
			}
		}
	}
	return false;
}


function createCookie(name,value,days,path,domain,secure) {
	var cookie_string = name + "=" + escape(value);
	if (days) {
		var date = new Date();
		date.setTime(date.getTime() + (days*24*60*60*1000));
		cookie_string += "; expires=" + date.toGMTString();
	}
	if (path) {
	    cookie_string += "; path=" + escape ( path );
	}   
	if (domain) {
	    cookie_string += "; domain=" + escape ( domain );
	}
	if (secure) { 
	    cookie_string += "; secure";
	}
	
	document.cookie = cookie_string;
}


function readCookie (name) {
    var results = document.cookie.match('(^|;) ?' + name + '=([^;]*)(;|$)');
    if (results) {
        return (unescape(results[2]));
    }
    else {
        return null;
    }
}

function getBaseDomain(){
	var domainParts = document.domain.split(/\./);
	if(domainParts.length > 1) {
	    return(domainParts[domainParts.length-2] + "." +  domainParts[domainParts.length-1]);
	} else {
	    return(document.domain);
	}
}

function detectVisitType() {
	var matched = matchQueryString('provider', null);
	if (matched) {
	    return ydlPUT;
	}
	return ydlUUT;
}

// ydleLeadUrl, ydlLoadPixel, and ydlSubmitLead are used in lead.js and franchise-simple-lead.js
var ydlLeadUrlScheme = (location.protocol === 'https:') ? 'https://' : 'http://';
var ydlLeadUrl = ydlLeadUrlScheme + adversiteConnectorHostname + '/trk/lead';

function ydlLoadPixel(customQsParams) {
	try {
		if (ydlShouldLoadPixel()) {
			var url = ydlGetLeadUrl(customQsParams);
			var oScript = document.createElement("img");
			oScript.setAttribute("src", url);
			var head = document.getElementsByTagName("head").item(0);
			head.appendChild(oScript);
		}
	} 
	catch (e) {
	}
	
	return true;
}

function ydlSubmitLead() {
	var typeInCookie = readCookie(ydlVisitTypeCookieName);
	if (typeInCookie == null || typeInCookie == ydlPUT) { 
	    return true;
    }
	return false;
}

function ydlGetCommonQueryString() {
    return 'unpaid=' + (readCookie(ydlVisitTypeCookieName) == ydlUUT);
}


/* facade over the common operations to make them testable */
YDLCommon = {};
YDLCommon.readCookie = readCookie;
YDLCommon.matchURL = matchURL;
YDLCommon.matchQueryString = matchQueryString;
YDLCommon.createCookie = createCookie;
YDLCommon.getBaseDomain = getBaseDomain;

YDLCommon.getUserAgent = function() {
	return navigator.userAgent;
};

YDLCommon.isBot = function(userAgents) {
	userAgents = userAgents || gUserAgentBots;
	var userAgent = YDLCommon.getUserAgent();
	if (userAgent == null) {
		return false;
	}
	
	for(var i = 0; i < userAgents.length; i++) {
		if (userAgent.indexOf(userAgents[i]) >= 0) {
			return true;
		}
	}
	return false;
};
var PING_FREQUENCY_MS = 5000;
var PINGER_TIMEOUT_MS = 1800000;

var BrowserDetect = {
    init: function () {
        this.browser = this.searchString(this.dataBrowser) || "unknown";
        this.version = this.searchVersion(navigator.userAgent)
            || this.searchVersion(navigator.appVersion)
            || "unknown";
        this.OS = this.searchString(this.dataOS) || "unknown";
    },
    searchString: function (data) {
        for (var i=0;i<data.length;i++)	{
            var dataString = data[i].string;
            var dataProp = data[i].prop;
            this.versionSearchString = data[i].versionSearch || data[i].identity;
            if (dataString) {
                if (dataString.indexOf(data[i].subString) != -1)
                    return data[i].identity;
            }
            else if (dataProp)
                return data[i].identity;
        }
    },
    searchVersion: function (dataString) {
        var index = dataString.indexOf(this.versionSearchString);
        if (index == -1) return;
        return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
    },
    dataBrowser: [
        {
            string: navigator.userAgent,
            subString: "Chrome",
            identity: "Chrome"
        },
        {
            string: navigator.userAgent,
            subString: "Opera",
            identity: "Opera",
            versionSearch: "Version"
        },
        {
            string: navigator.userAgent,
            subString: "Android",
            identity: "Android",
            versionSearch: "Version"
        },
        {
            string: navigator.userAgent,
            subString: "Safari",
            identity: "Safari",
            versionSearch: "Version"
        },
        {
            string: navigator.userAgent,
            subString: "Firefox",
            identity: "Firefox"
        },
        {		// for newer Netscapes (6+)
            string: navigator.userAgent,
            subString: "Netscape",
            identity: "Netscape"
        },
        {
            string: navigator.userAgent,
            subString: "MSIE",
            identity: "Explorer",
            versionSearch: "MSIE"
        },
        {
            string: navigator.userAgent,
            subString: "Gecko",
            identity: "Mozilla",
            versionSearch: "rv"
        },
        { 		// for older Netscapes (4-)
            string: navigator.userAgent,
            subString: "Mozilla",
            identity: "Netscape",
            versionSearch: "Mozilla"
        }
    ],
    dataOS : [
        {
            string: navigator.platform,
            subString: "Win",
            identity: "Windows"
        },
        {
            string: navigator.platform,
            subString: "Mac",
            identity: "Mac"
        },
        {
            string: navigator.platform,
            subString: "Android",
            identity: "Android"
        },
        {
            string: navigator.userAgent,
            subString: "iPhone",
            identity: "iPhone/iPod"
        },
        {
            string: navigator.userAgent,
            subString: "iPad",
            identity: "iPad"
        },
        {
            string: navigator.platform,
            subString: "Linux",
            identity: "Linux"
        }
    ]
};
BrowserDetect.init();

var url = 'http://labs.natpal.com/trk/pixel?trackid=' +
	         '&trkDomain=watersoftenerleander.com' +
	         '&referrer='        + escape(document.referrer) + 
	         '&pageVisited='     + escape(location.href) +
	         '&browser='         + escape(BrowserDetect.browser) +
	         '&browserVersion='  + escape(BrowserDetect.version) +
	         '&OS='              + escape(BrowserDetect.OS) +
	         '&maxHeight='       + escape(window.screen.availHeight) + 
	         '&maxWidth='        + escape(window.screen.availWidth);

var eventUrl = 'http://labs.natpal.com/cvevt?trkDomain=watersoftenerleander.com';
	
if(typeof(gPrimaryAttr)   != "undefined" && gPrimaryAttr != null)  url += '&primaryAttrib='   + escape(gPrimaryAttr);
if(typeof(gSecondaryAttr) !=  "undefined" && gSecondaryAttr != null) url += '&secondaryAttrib=' + escape(gSecondaryAttr);


function createPingImage(id) {
    var img = document.createElement('img');
    img.setAttribute('id', id);
    img.setAttribute('width', '1');
    img.setAttribute('height', '1');
    img.setAttribute('border', '0');
    img.setAttribute('src', '#');
    document.body.appendChild(img);
}

document.writeln('<img id="magicTrackingPixel" width="1" height="1" border="0" src="' + url + '"/>');

var Pinger = {
	currentTimePassedMs : 0,
	ping : function(url, ms)
	{
		var rnd = Math.floor(Math.random() * 1000000);
		Pinger.makePingRequest(url + '&rnd=' + rnd);
		if (this.currentTimePassedMs <= PINGER_TIMEOUT_MS)
		{
			this.currentTimePassedMs += ms;
			setTimeout(function() {Pinger.ping(url, ms)}, ms);
		}
	},
	makePingRequest : function(url)
	{
		var pixelId = "magicPingingPixel";
		var pingImage = document.getElementById(pixelId);
		if (!pingImage)
			document.writeln('<img id="' + pixelId + '" width="1" height="1" border="0" src="#"/>');
		pingImage = document.getElementById(pixelId);
		pingImage.src = url;
	}
};

var Pinger2 = {
        ping : function(url)
        {
                setTimeout(function() {Pinger2.doPing(url, new Date().getTime())}, 3000);
        },
        doPing : function(url, timeStartedMs)
        {
                Pinger2.makePingRequest(url + '&rnd=' + Math.floor(Math.random() * 1000000));
                var timePassed = new Date().getTime() - timeStartedMs;
                if (timePassed <= PINGER_TIMEOUT_MS)
                {
                        var waitMs;

                        if (timePassed < 3000)
                                waitMs = 3000;
                        else if (timePassed >= 3000 && timePassed < 11000)
                                 waitMs = 5000;
                        else if (timePassed >= 11000 && timePassed < 30000)
                                waitMs = 10000;
                        else
                                waitMs = 30000;

                        setTimeout(function() {Pinger2.doPing(url, timeStartedMs)}, waitMs);
                }
        },
        makePingRequest : function(url)
        {
                var pixelId = "magicPingingPixel";
                var pingImage = document.getElementById(pixelId);
                if (!pingImage) {
                	if(BrowserDetect.browser === 'IE') {
                		// DO NOT do this: it will blow away the entire document body. see YC-10044.
                		// document.writeln('<img id="' + pixelId + '" width="1" height="1" border="0" src="#"/>');
                	} else {
                		createPingImage(pixelId);
                	}
                    pingImage = document.getElementById(pixelId);
                }
                if(pingImage) pingImage.src = url;
        }
};

var pingParams = '&ping=true';
Pinger2.ping(url + pingParams);


function setVisitTypeCookie() {
	var typeInCookie = readCookie(ydlVisitTypeCookieName);
	var baseDomain = getBaseDomain();
	var detectedType = detectVisitType();
	
	var typeToSet = (typeInCookie != ydlPUT) ? detectedType : ydlPUT;
	createCookie(ydlVisitTypeCookieName, typeToSet, ydlVisitTypeCookieTTL, '/' ,baseDomain);
}

setVisitTypeCookie();

var ConversionEventTracker = {
	trackEvents: true,
	pixelId: "magicEventTrackingPixel",
	init: function() {
		document.writeln('<img id="' + ConversionEventTracker.pixelId + '" width="1" height="1" border="0" src="#"/>');
	},
	trackEvent : function(type, data) {
		if (ConversionEventTracker.trackEvents) {
			var eventImage = document.getElementById(ConversionEventTracker.pixelId);
			var eventImageSrc = eventUrl + '&convEventType=' + type;
			if (typeof(data) !== "undefined")
				eventImageSrc +=  '&convEventData=' + escape(JSON.stringify(data));

			var date = new Date();
			eventImageSrc = eventImageSrc+"&_="+date.getTime();
			eventImage.src = eventImageSrc;
		}
	}
};
ConversionEventTracker.init();