//vars
var googleResponse;
var searchLinks = new Object();
var resultLinks = "";
var errorCode = 0;
var termsDisplayed = "";
var isAFD = parkingData.isAFD;
var numAds = 0;
var popCats = "";

//alter the page on load
window.onload = function ()
{
    inlineReplace();
}

//google callback
function google_afd_ad_request_done(google_afd_response) 
{
    //set
    googleResponse = google_afd_response;
    
    //return if no response
    if (!exists(google_afd_response))
    {
        errorCode = 1;
        failover(google_afd_response);
        return;
    }

    //alert error
    if (google_afd_response.error_code)
    {
        errorCode = google_afd_response.error_code;
        failover(google_afd_response);
        return;
    }

    //redirect if we"re expecting "clean" but get "adult"
    if ((parkingData.googleStatus == "Clean") && ((exists(google_afd_response.adult)) && (google_afd_response.adult == "true")))
    {
        var location = window.location.href;
        if (location.indexOf("googleStatus=") == -1)
        {
            if (location.indexOf("?") == -1)
                location += "?googleStatus=1";
            else
                location += "&googleStatus=1";

            window.location = location;
            return;
        }
    }

    //redirect if we"re expecting "adult" but get "clean"
    if ((parkingData.googleStatus == "Adult") && ((exists(google_afd_response.adult)) && (google_afd_response.adult == "false")))
    {
        var location = window.location.href;
        if (location.indexOf("googleStatus=") == -1)
        {
            if (location.indexOf("?") == -1)
                location += "?googleStatus=0";
            else
                location += "&googleStatus=0";

            window.location = location;
            return;
        }
    }

    //show message and return if "faillisted" or "needsreview"
    if (((exists(google_afd_response.needsreview)) && (google_afd_response.needsreview == true)) || ((exists(google_afd_response.faillisted)) && (google_afd_response.faillisted == true)))
    {
        failover(google_afd_response);
        return;
    }

    //return if no search-links on landing page
    if ((parkingData.relatedLinks > 0) && ((parkingData.pageType == 1) && (((!exists(google_afd_response.radlinks)) || (google_afd_response.radlinks.length <= 0)))))
    {
        failover(google_afd_response);
        return;
    }

    //return if no ads on results page
    if ((parkingData.pageType == 2) && ((!exists(google_afd_response.ads)) || (google_afd_response.ads.length <= 0)))
    {
        failover(google_afd_response);
        return;
    }

    //have manual search token?
    if (exists(google_afd_response.search_token))
    {
        //set cookie
        setCookie("googleToken", google_afd_response.search_token);
    }
        
    //build search links
    buildSearchLinks(google_afd_response);

    //build result links
    buildResultLinks(google_afd_response);

    //echo response
    echoGoogleResponse(google_afd_response);
}

//build search links
function buildSearchLinks(google_afd_response)
{
    var sourceIndex = 0;
    for (var areaIndex = 0; areaIndex < parkingData.searchLinkAreas.length; areaIndex++)
    {
        var destIndex = 0;
        var areaID = parkingData.searchLinkAreas[areaIndex].divID;
        if ((google_afd_response.radlinks) && (google_afd_response.radlinks.length > 0))
        {
            searchLinks[areaID] = "<span class='label'>" + parkingData.searchLinkAreas[areaIndex].headerText + "</span>";
            searchLinks[areaID] += "<ul>";
            var google_radlinks = google_afd_response.radlinks;
            for (var i = sourceIndex; i < google_radlinks.length; i++)
            {
                var className = "i" + (destIndex + 1);
                if (destIndex == 0)
                    className += " first";
                else if (destIndex >= parkingData.searchLinkAreas[areaIndex].maxCount)
                    className += " last";

                var terms;
                if (exists(parkingData.terms))
                    terms = parkingData.terms.split(",");

                var actionCode = getActionCode(terms, google_radlinks[i].term, i);
                var searchLinkType = getSearchLinkType(terms, google_radlinks[i].term, i);

                searchLinks[areaID] += "<li class='" + className + "'>";
                searchLinks[areaID] += "<a href='/?s=" + encodeURIComponent(google_radlinks[i].term) + "&ac=" + actionCode + "&slt=" + searchLinkType + "&slr=" + (sourceIndex + 1) + "&lpt=" + parkingData.pageType + "&gdt=" + google_radlinks[i].token + "'><span>" + google_radlinks[i].term + "</span></a>";
                searchLinks[areaID] += "</li>";
                sourceIndex++;
                destIndex++;

                if (termsDisplayed.length > 0)
                    termsDisplayed += ",";
                termsDisplayed += google_radlinks[i].term;

                if (destIndex >= parkingData.searchLinkAreas[areaIndex].maxCount)
                    break;
            }
            searchLinks[areaID] += "</ul>";
        }
    }

    if ((google_afd_response.categories) && (google_afd_response.categories.length > 0))
        buildPopularCategories(google_afd_response.categories, google_afd_response.category_token);
}

//determins action code to log
function getActionCode(terms, googleTerm, index)
{
    if ((exists(terms)) && (terms.length >= (index + 1)) && (terms[index] == googleTerm))
        return 5;
    else
        return 2;
}

//determins search link type to log
function getSearchLinkType(terms, googleTerm, index)
{
    if ((exists(terms)) && (terms.length >= (index + 1)) && (terms[index] == googleTerm))
        return 7;
    else
        return 8;
}

//build result links
function buildResultLinks(google_afd_response)
{
    //have ads?
    if ((google_afd_response.ads) && (google_afd_response.ads.length > 0))
    {
        var google_ads = google_afd_response.ads;
        var haveRepeats = false;
        isAFD = (google_afd_response.ads[0].url.indexOf("googleadservices.com") != -1) || (google_afd_response.ads[0].url.indexOf("doubleclick.net") != -1);

        resultLinks = "<div class='sr'>"
        
        //render header text
        var headerText = parkingData.adHeader;
        if (exists(google_afd_response.sponsored_listings_feedback_url))
            resultLinks += "<h2><a target='_blank' href='" + google_afd_response.sponsored_listings_feedback_url + "'>" + headerText + "</a></h2>";
        else
            resultLinks += "<h2>" + headerText + "</h2>";

        //daughter window links?
        var dw = " target='_blank'";

        //loop through ads
        resultLinks += "<ul>";
        for (var i = 0; i < google_ads.length; i++)
        {
            //skip repeating ads
            if ((!isAFD) && (parkingData.repeatingAds == 1) && ((!google_ads[i].position) || (google_ads[i].position != 'Top')))
            {
                haveRepeats = true;
                continue;
            }

            //determine link class
            var linkClass = "item_" + (i + 1);
            if (i == 0)
                linkClass += " first";
            else if (i == (google_ads.length - 1))
                linkClass += " last";

            //render result link
            renderResultLink(google_ads[i], linkClass, dw, google_ads.length)
            numAds++;
        }
        resultLinks += "</ul>";
        resultLinks += "</div>";

        //add web result script
        if (((parkingData.moduleID == 21) || (parkingData.moduleID == 22)) && (!isAFD))
        {
            resultLinks += "<div class='" + parkingData.wClass + "' id='webResults'></div>";
            resultLinks += "<script type='text/javascript' language='JavaScript'>fetchWebResults();</script>";
        }

        //have repeats?
        if (haveRepeats)
        {
            resultLinks += "<div class='sr'>"

            //render header text
            headerText = "Sponsored Listings";
            resultLinks += "<h2>" + headerText + "</h2>";

            //loop through ads
            resultLinks += "<ul>";
            for (var i = 0; i < google_ads.length; i++)
            {
                //skip non-repeating ads
                if ((parkingData.repeatingAds == 1) && ((google_ads[i].position) && (google_ads[i].position == 'Top')))
                    continue;

                //determine link class
                var linkClass = "item_" + (i + 1);
                if (i == 0)
                    linkClass += " first";
                else if (i == (google_ads.length - 1))
                    linkClass += " last";

                //render result link
                renderResultLink(google_ads[i], linkClass, dw, google_ads.length)
            }
            resultLinks += "</ul>";
            resultLinks += "</div>";
        }
    }
}

//renders single result link
function renderResultLink(ad, linkClass, dw, adCount)
{
    var loggingUrl = buildLoggingUrl(ad.n, adCount, parkingData.resultLinkType, ad.visible_url);

    var abs = ad.line2;
    if (ad.line3)
        abs += " " + ad.line3;

    resultLinks += "<li class='" + linkClass + "'>";

    if (parkingData.adLineFormat == 2) 
    {
        resultLinks += "<a class='title' onclick='return trackClick(\"" + loggingUrl + "\");' href='" + ad.url + "'" + dw + ">" + ad.line1 + "</a>";
        resultLinks += "<a class='url' onclick='return trackClick(\"" + loggingUrl + "\");' href='" + ad.url + "'" + dw + ">" + ad.visible_url + "</a>";
        resultLinks += "<p class='abstract'>" + abs + "</p>";
    }
    else 
    {
        //resultLinks += "<a class='title' onclick='return trackClick(\"" + loggingUrl + "\");' href='" + ad.url + "'" + dw + ">" + ad.line1 + "</a>";
        //resultLinks += "<br />";
        //resultLinks += "<span class='abstractNoClick'>" + abs + "</span>";
        //resultLinks += "<br /><p></p>";
        //resultLinks += "<a class='url' onclick='return trackClick(\"" + loggingUrl + "\");' href='" + ad.url + "'" + dw + ">" + ad.visible_url + "</a>";
        resultLinks += "<a class='title' onclick='return trackClick(\"" + loggingUrl + "\");' href='" + ad.url + "'" + dw + ">" + ad.line1 + "</a>";
        resultLinks += "<p class='abstract'>" + abs + "</p>";
        resultLinks += "<a class='url' onclick='return trackClick(\"" + loggingUrl + "\");' href='" + ad.url + "'" + dw + ">" + ad.visible_url + "</a>";
    }

    try 
    {
        if (exists(ad.seller_ratings))
        {
            if (exists(ad.seller_ratings.text) && exists(ad.seller_ratings.rating_img_url) && exists(ad.seller_ratings.source_url) && exists(ad.seller_ratings.rating))
            {
                //version 2
                sellerRatingText = ad.seller_ratings.text;
                sellerRatingImgUrl = ad.seller_ratings.rating_img_url;
                sellerRatingUrl = ad.seller_ratings.source_url;

                sellerRating = sellerRatingText.replace("{{RATING}}", "<img alt='" + ad.seller_ratings.rating + " of out 5' src='" + sellerRatingImgUrl + "' />");
                sellerRating = sellerRating.replace("{{LINK_START}}", "<a class='source_url' href='" + sellerRatingUrl + "' target='_blank'>");
                sellerRating = sellerRating.replace("{{LINK_END}}", "</a>");

                resultLinks += "<p class='sellerRatings'>" + sellerRating + "</p>";
            }
        }
    }
    catch (error) 
    {
    }

    if (exists(ad.sitelinks))
    {
        resultLinks += "<div class='siteLinks'>";
        if (ad.sitelinks.length > 0)
        {
            resultLinks += "<ul class='col1'>";
            for (j = 0; j < ad.sitelinks.length; j = j + 2)
            {
                loggingUrl = buildLoggingUrl(ad.n, adCount, parkingData.resultLinkType, ad.visible_url);
                resultLinks += "<li><a " + dw + " onclick='return trackClick(\"" + loggingUrl + "\");' href='" + ad.sitelinks[j].url + "'>" + ad.sitelinks[j].link_text + "</a></li>";
            }
            resultLinks += "</ul>";
        }
        if (ad.sitelinks.length > 1)
        {
            resultLinks += "<ul class='col2'>";
            for (j = 1; j < ad.sitelinks.length; j = j + 2)
            {
                loggingUrl = buildLoggingUrl(ad.n, adCount, parkingData.resultLinkType, ad.visible_url);
                resultLinks += "<li><a " + dw + " onclick='return trackClick(\"" + loggingUrl + "\");' href='" + ad.sitelinks[j].url + "'>" + ad.sitelinks[j].link_text + "</a></li>";
            }
            resultLinks += "</ul>";
        }
        resultLinks += "</div>";
    }

    resultLinks += "</li>";
}

//write status message
function writeStatus(message)
{
    try
    {
        document.getElementById('status').innerHTML = '<p>' + message + '</p>';
    }
    catch(e)
    {
    }
}

//build logging url
function buildLoggingUrl(rank, sponsoredCount, resultLinkType, visibleUrl)
{
    var url = '/clickLog?ck=' + encodeURIComponent(parkingData.cacheKey)
        + '&d=' + encodeURIComponent(parkingData.domainName)
        + '&aid=' + encodeURIComponent(parkingData.adNetworkID)
        + '&r=' + encodeURIComponent(rank)
        + '&rc=' + encodeURIComponent(sponsoredCount)
        + '&rlt=' + encodeURIComponent(resultLinkType)
        + '&du=' + encodeURIComponent(stripHTML(visibleUrl))
        + '&afd=' + isAFD;
    return url;
}

//strip html markup from string
function stripHTML(oldString)
{
    var newString = '';
    var inTag = false;
    for (var i = 0; i < oldString.length; i++)
    {
        if (oldString.charAt(i) == '<')
            inTag = true;
        if (oldString.charAt(i) == '>')
        {
            if (oldString.charAt(i + 1) == '<')
            {
                //dont do anything
            }
            else
            {
                inTag = false;
                i++;
            }
        }

        if (!inTag)
            newString += oldString.charAt(i);

    }

    return newString;
}

//does object exist?
function exists(x)
{
    if (typeof (x) == 'undefined')
        return false;
    if (x == null)
        return false;
    if (x === '')
        return false;
    return true;
}

//set cookie
function setCookie(Name, Value)
{
    var ArgumentCount;
    var ArgumentValues;
    var Domain;
    var Expires;
    var Path;
    var Secure;

    ArgumentValues = setCookie.arguments;
    ArgumentCount = setCookie.arguments.length;

    Expires = (ArgumentCount > 2) ? ArgumentValues[2] : null;
    Path = (ArgumentCount > 3) ? ArgumentValues[3] : null;
    Domain = (ArgumentCount > 4) ? ArgumentValues[4] : null;
    Secure = (ArgumentCount > 5) ? ArgumentValues[5] : false;

    document.cookie = Name + '=' + escape(Value) +
        ((Expires == null) ? '' : ('; expires=' + Expires.toGMTString())) +
        ((Path == null) ? '' : ('; path=' + Path)) +
        ((Domain == null) ? '' : ('; domain=' + Domain)) +
        ((Secure == true) ? '; secure' : '');
}

//get cookie
function getCookie(Name)
{
    var Argument;
    var ArgumetLength;
    var CookieLength;
    var EndString;
    var i;
    var j;

    Argument = Name + '=';
    ArgumentLength = Argument.length;
    CookieLength = document.cookie.length;
    i = 0;
    while (i < CookieLength)
    {
        j = i + ArgumentLength;
        if (document.cookie.substring(i, j) == Argument)
        {
            EndString = document.cookie.indexOf(';', j);
            if (EndString == -1)
                EndString = document.cookie.length;
            return unescape(document.cookie.substring(j, EndString));
        }
        i = document.cookie.indexOf(' ', i) + 1;
        if (i == 0)
            break;
    }
    return (null);
}

//delete cookie
function deleteCookie(Name)
{
    var CookieValue;
    var ExpirationDate;

    ExpirationDate = new Date();
    ExpirationDate.setTime(ExpirationDate.getTime() - 1);

    CookieValue = getCookie(Name);
    if (CookieValue != null)
        setCookie(Name, '', ExpirationDate, '/');
}

//failover
function failover(google_afd_response)
{
    //echo response
    echoGoogleResponse(google_afd_response);
    
    var location = window.location.href;
    if (location.indexOf('?') == -1)
    {
        location += '?ai=' + (parseInt(parkingData.apiIteration) + parseInt(1));
    }
    else
    {
        var split = location.split('?');
        location = split[0];
        var query = split[1];
        var params = query.split('&');
        var itemsWritten = 0;
        for (i = 0; i < params.length; i++)
        {
            if (params[i].indexOf('ai=') == -1)
            {
                if (itemsWritten == 0)
                    location += '?' + params[i];
                else
                    location += '&' + params[i];
                itemsWritten++;
            }
        }
        if (itemsWritten == 0)
            location += '?ai=' + (parseInt(parkingData.apiIteration) + parseInt(1));
        else
            location += '&ai=' + (parseInt(parkingData.apiIteration) + parseInt(1));
        itemsWritten++;
    }

    if (location != window.location.href)
        window.location = location;
}

//echo google response
function echoGoogleResponse(google_afd_response)
{
    try
    {
        var url = '/GoogleListener.aspx';
        if (isAFD)
            url += '?rt=afd';
        else
            url += '?rt=afs';
        url += '&pt=' + encodeURIComponent(parkingData.pageType)
            + '&rid=' + encodeURIComponent(parkingData.requestGuid)
            + '&dn=' + encodeURIComponent(parkingData.domainName)
            + '&st=' + encodeURIComponent(parkingData.searchText)
            + '&aid=' + encodeURIComponent(parkingData.adNetworkID)
            + '&ec=' + encodeURIComponent(errorCode)
            + '&ippi=' + encodeURIComponent(parkingData.ippiClassification);
        var str = JSON.stringify(google_afd_response);

        var http = createXMLHttpRequest();
        if (http != null)
        {
            http.open('POST', url, true);
            http.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
            http.setRequestHeader('Content-length', str.length);
            http.setRequestHeader('Connection', 'close');
            http.send(str);
        }
    }
    catch (e)
    {
    }
}

//create xml http request object
function createXMLHttpRequest()
{
    try { return new ActiveXObject('Msxml2.XMLHTTP'); } catch (e) { }
    try { return new ActiveXObject('Microsoft.XMLHTTP'); } catch (e) { }
    try { return new XMLHttpRequest(); } catch (e) { }
    return null;
}


//fetches web results via call to parking interface and renders to AFS_JS page
function fetchWebResutls()
{
    //build request
    var request = "/interface/6/?mode=wr&outputType=json"
         + "&dn=" + encodeURIComponent(parkingData.domainName)
         + "&st=" + encodeURIComponent(parkingData.searchText)
         + "&num=" + encodeURIComponent(numAds)
         + "&ia=" + encodeURIComponent(parkingData.adultTag)
         + "&hl=" + encodeURIComponent(parkingData.hl)
         + "&cip=" + encodeURIComponent(parkingData.cip)
         + "&ref=" + encodeURIComponent(document.referrer)
         + "&ua=" + encodeURIComponent(navigator.userAgent);

    //create http object
    var http = createXMLHttpRequest();
    if (http != null)
    {
        http.open('GET', request, true);
        http.setRequestHeader('Connection', 'close');

        //define callback function
        http.onreadystatechange = function ()
        {
            //response complete
            if (http.readyState == 4)
            {
                //evaluate response to json object
                var webResults = eval("(" + http.responseText + ")");

                //render web results to page
                renderWebResults(webResults);
            }
        }

        //send ajax request
        http.send(null);
    }
}

//renders web results
function renderWebResults(webResults)
{
    //have web results?
    if ((webResults) && (webResults.webResults) && (webResults.webResults.length > 0))
    {
        //find output div
        var div = document.getElementById("webResults");
        if (div)
        {
            //daughter window?
            var dw = " target='_blank'";

            //write header
            var html = "<h2>Web Results</h2>";

            //open list
            html += "<ul>";

            //loop through web results
            for (var i = 0; i < webResults.webResults.length; i++)
            {
                //enough?
                if (i >= numAds)
                    break;
                
                //determine link class
                var linkClass = "";
                if (i == 0)
                    linkClass += "first";
                else if (i == (webResults.webResults.length - 1))
                    linkClass += "last";
                html += "<li class='" + linkClass + "'>";

                //build click url
                var loggingUrl = buildLoggingUrl(i + 1, 10, webResults.webResults[i].resultLinkType, webResults.webResults[i].displayUrl, false);

                //title
                html += "<a class='title'" + dw + " onclick='return trackClick(\"" + loggingUrl + "\");' href='" + webResults.webResults[i].clickUrl + "' " + ">" + webResults.webResults[i].title + "</a>";

                //two line or three?
                if (parkingData.wClass != "wr")
                {
                    //url
                    html += "<a class='url'" + dw + " onclick='return trackClick(\"" + loggingUrl + "\");' href='" + webResults.webResults[i].clickUrl + "'>" + webResults.webResults[i].displayUrl + "</a>";

                    //abstract
                    html += "<p class='abstract'>" + webResults.webResults[i].abs + "</p>";
                }
                else
                {
                    //abstract
                    html += "<p class='abstract'>" + webResults.webResults[i].abs + "</p>";

                    //url
                    html += "<a class='url'" + dw + " onclick='return trackClick(\"" + loggingUrl + "\");' href='" + webResults.webResults[i].clickUrl + "'>" + webResults.webResults[i].displayUrl + "</a>";
                }

                html += "</li>";
            }
            html += "</ul>";
            div.innerHTML = html;
        }
    }
}

function buildPopularCategories(categories, categoryToken)
{
    popCats += "<div class='content'>";

    var index = 1;
    for (i = 0; i < categories.length; i++)
    {
        if ((i == 0) || (i == 3) || (i == 6) || (i == 9))
        {
            popCats += "<div class='column'>";
        }

        popCats += "<div class='group'>";
        popCats += "<div class='itemHeader'>" + buildPopCatLink(categories[i].term, categoryToken, index) + "</div>";
        index++;
        for (k = 0; k < categories[i].subcategories.length; k++)
        {
            popCats += "<div class='item'>" + buildPopCatLink(categories[i].subcategories[k].term, categoryToken, index) + "</div>";
            index++;
        }
        popCats += "</div>";



        if ((i == 2) || (i == 5) || (i == 8) || (i == 11))
        {
            popCats += "</div>";
        }
    }
    
    popCats += "</div>";
}

function buildPopCatLink(term, categoryToken, index)
{
    return "<a href='/?s=" + encodeURIComponent(term) + "&ac=3&slt=9&slr=" + index + "&lpt=" + parkingData.pageType + "&gdt=" + categoryToken + "'>" + term + "</a>";
}

function inlineReplace()
{
    if (exists(googleResponse.related_searches_feedback_url))
    {
        var rsLinkTopBar = document.getElementById('rsLinkTopBar');
        if (exists(rsLinkTopBar))
            rsLinkTopBar.innerHTML = "<p><a target='_blank' href='" + googleResponse.related_searches_feedback_url + "'>Related Searches</a></p>";

        var rsLinkFooter = document.getElementById('rsLinkFooter');
        if (exists(rsLinkFooter))
            rsLinkFooter.innerHTML = "<span><a target='_blank' href='" + googleResponse.related_searches_feedback_url + "'>RELATED SEARCHES: </a></span>";

        var rsLinkHdr = document.getElementById('rsLinkHdr');
        if (exists(rsLinkHdr))
            rsLinkHdr.innerHTML = "<a target='_blank' href='" + googleResponse.related_searches_feedback_url + "'>Related Searches:</a>";
    }
}