var xmlHttpRequest = getXMLHttpRequest();

var loadingImageHotelsURI = "/images/routes/ajax-loader-white.gif";
var poiSearchItemCount=0;

function ajaxHotelsReady()
{
	if (xmlHttpRequest.readyState != 4)
		return;

	var nearbyHotelsElement = document.getElementById('nearbyHotels');

	// Check that we have a good status code
	if (xmlHttpRequest.status < 200 || xmlHttpRequest.status > 299)
	{
		nearbyHotelsElement.innerHTML = '<div>Sorry, this service is temporarily unavailable. Please try again later.</div>';
		return;
	}

	nearbyHotelsElement.innerHTML = xmlHttpRequest.responseText;
}

function populateHotelsBarGaz()
{
	if ($("#dbEurope").is(':checked') || $("#dbIreland").is(':checked'))
	{
		// No hotels lookup for Europe/Ireland
		$("#internalAdvert").show();
		$("#nearbyHotels").html("") 
		return;
	}

	var selectTo = document.getElementById("confirmTo");
	var gazLocString = escape(selectTo.value);

	// Display EBC ad for specific destinations
	if (!checkPortLocation(gazLocString))
	{
		populateHotelsBarByDestination('','',"overlayMapMessage",gazLocString);
	}
}


function populateHotelsBarByDestination(lat,lon,poiMsgID,gazLocString)
{
	//poiType 102 and poiType 104=bandb
	var nearbyHotelsElement = $('#nearbyHotels');
	var padding = 14;
	var margin = 20;
	var hotelBarWidth = nearbyHotelsElement.outerWidth(true) - padding - margin;
	var maxHotelsToDisplay = Math.floor( hotelBarWidth/213 );

	var baseRequest = '/aaservlet/poi-search';
	var baseParameters = 'poitype=131&lat=' + lat + '&long=' + lon + '&maxresults=' + maxHotelsToDisplay;
	if(lat==''&&lon==''&&gazLocString!='')
	{
		baseParameters = 'poitype=131&gazLocation=' + gazLocString + '&maxresults=' + maxHotelsToDisplay;
	}

	var bolMarkersOnMap=true;
	if(gazLocString!='')
	{
		//initial route request
		bolMarkersOnMap=false;
	}

	$.ajax({
		url:baseRequest,
		type: "get",
		data: baseParameters,
		dataType: "json",
		error: function(xhr, desc, exceptionobj) { 
			//error getting hotels
			nearbyHotelsElement.html("");
		},
		success:function(json)
		{
			populateHotelsBarFromJson(json,bolMarkersOnMap,poiMsgID,gazLocString); //markers already on map

		} //end success


	}); //end ajax

}//end function


function populateHotelsBarFromJson(json,bolMarkersOnMap,poiMsgID,gazLocString)
{

	var nearbyHotelsElement = $('#nearbyHotels');
	var padding = 14;
	var margin = 20;
	var hotelBarWidth = nearbyHotelsElement.outerWidth(true) - padding - margin;
	var maxHotelsToDisplay = Math.floor( hotelBarWidth/213 );


	var strHTMLOutput='<div class="hotelsPanelHeader clearfix">'
	if (bolMarkersOnMap)
	{
		strHTMLOutput+='<h2>AA Hotels &amp; B&amp;Bs nearby</h2>';
	}
	else {
		strHTMLOutput+='<h2>AA Hotels &amp; B&amp;Bs near your destination</h2>';
	}

	if(!bolMarkersOnMap&&gazLocString!='')
	{
		var arrGazString=gazLocString.split("%7C");
		var placeArr=arrGazString[1].split("%2C");
		var placeName=unescape(placeArr[0]);
		var tmpEastings=arrGazString[3];
		var tmpNorthings=arrGazString[4];
		//Allow display of icons on map
		//strHTMLOutput+='<h3><a href="#" onclick="' + "showPOIByDestination(event,'','',102,'overlayMapMessage','" + gazLocString + "',false)" + ';return false;">View all bookable establishments in ' + placeName + '</a></h3>';
		strHTMLOutput+='<h3><a href="/travel/basicsearch/hotelSearchProxyAction.do?loc= ' + gazLocString + '"';
		
		strHTMLOutput+='>View all Hotels &amp; B&amp;Bs in ' + placeName + '</a></h3>';

	}

	strHTMLOutput+='</div>'
		+'<div class="hotelsPanel clearfix">';

	var hotelCount=0;
	//now we have an array of hotels
	$.each(json.summaries, function(i,poiItem)
	{


  //poiTypeID:130 - non AA rated hotels
  
		var strName=poiItem.name;
		var strlongitude=poiItem.longitude;
		var strSummary=poiItem.summary;
		var isRedStars=poiItem.isRedStars;
		var imageUrl=isEmpty(poiItem.imageUrl);
		var poiTypeID=poiItem.poiType;
		var strpercent=isEmpty(poiItem.percent);
		var strcategory=isEmpty(poiItem.category);
		var strlatitude=poiItem.latitude;
		var strqualityRating=isEmpty(poiItem.qualityRating);
		var strpriceFrom=isEmpty(poiItem.priceFrom);
		var bolaaRated=isEmpty(poiItem.aaRated);
    var appointmentCurrent=isEmpty(poiItem.appointmentCurrent);

		var strShortName=strName;

		if (strShortName.length>20) {
			strShortName=strShortName.substring(0,19) + '...';
		}

		var strPOIid=poiItem.id;

		var starImage="star_" + strqualityRating + ".gif";
		if (poiTypeID==102) {
			if(isRedStars)
			{
				starImage="redstar_" + strqualityRating + ".gif";
			}
		}
		if (poiTypeID==104) {
			if(isRedStars)
			{
				starImage="yellow-star-" + strqualityRating + ".gif";
			}
		}

		var tmpStrPOIType=getPOITypeFromID(poiTypeID);


		strHTMLOutput+='<div class="hotelsPanelThird clearfix">';
		strHTMLOutput+='<div class="hotelsPanelTxt">';
		strHTMLOutput+='<h4><a href="/travel/details/' + tmpStrPOIType + "/" + strPOIid + '" onclick="showSinglePOI(mapGoogle,' + strlatitude +',' + strlongitude + ',' + strPOIid +"," + poiTypeID + ",true,true,'" + escape(strName) + "'); return false;" + '" title="Show on map: ' + strName+ '">' 
		+ strShortName 
		+  '</a></h4>';
		strHTMLOutput+='<p>';

    if(bolaaRated && (poiTypeID==102 || poiTypeID==104))
      {
      strHTMLOutput+='<img src="/images/logos/aa-logo-16.gif" width="16" height="16" alt="AA logo" class="aalogo-hotelbar"/>';
      
      if(appointmentCurrent=='U')
          {
          //no star ratings if unclassified
          strHTMLOutput+='<img class="rating-unconfirmed" src="/images/getaway/hotels/ungraded_icon.gif" alt="Unconfirmed grading" />';
          }
          else 
          {

            if(strqualityRating!='' && !isNaN(strqualityRating))
            {
              if(appointmentCurrent=='A')
              {
              strHTMLOutput+='<img class="rating-associate" src="/images/getaway/hotels/associate_cross.gif" alt="AA Associate" />';
              }
              strHTMLOutput+= '<a href="/travel/accommodation_restaurants_grading.html#stars" id="iw-starrating"><img src="/images/travel/places_to_stay/' + starImage + '" alt="' + strqualityRating + ' star" /></a>';
            }
          }
        //strHTMLOutput+='<img src="/images/travel/places_to_stay/' + starImage + '" alt="' + strqualityRating + ' star" />';
      }
      //end bolaaRated


		if(parseInt(strpriceFrom,10)>0)
		{
			strHTMLOutput+=" from &pound;" + strpriceFrom;
		}

		strHTMLOutput+='<br />' + strcategory + '</p>';
		strHTMLOutput+='</div>';
		strHTMLOutput+='<div class="hotelsPanelImg">';
		//no images
		if(imageUrl=='')
		{
      		imageUrl="/images/routes/hotelbar-no-image-48x40.gif";
		}
      
		strHTMLOutput+='<a href="/travel/details/' + tmpStrPOIType + "/" + strPOIid + '" onclick="showSinglePOI(mapGoogle,' + strlatitude +',' + strlongitude + ',' + strPOIid +"," + poiTypeID + ",true,true,'" + escape(strName) + "'); return false;" + '" title="Show on map: ' + strName+ '"><img src="' + imageUrl + '" alt="' + strName + '" /></a>';


		strHTMLOutput+='</div>';
		strHTMLOutput+='</div>';
		hotelCount++;

		if(i==maxHotelsToDisplay-1)
		{
			return false;
		}

		hotelCount++;
	}); //end each
	strHTMLOutput+='</div>';

	//clear loading
	hidePOIMsg("#overlayMapMessage")
	//update page
	if(hotelCount>0)
	{
		$("#internalAdvert").hide();
		nearbyHotelsElement.html(strHTMLOutput);
	}
	else{ 
		$("#internalAdvert").show();
		nearbyHotelsElement.html("") 
	};
}


function checkPortLocation(gazLocString)
{
	//check is a port
	var arrPorts = new Array('dover','portsmouth','harwich','folkestone','hull','new haven','poole','plymouth','fishguard','hollyhead','liverpool','stranraer');
	if (gazLocString != '')
	{
		var tmpLoc = gazLocString.toLowerCase();

		for (i=0; i < arrPorts.length; i++)
		{		
			if ( (tmpLoc.indexOf('%7c'+arrPorts[i]) > -1) || (tmpLoc.indexOf('%20'+arrPorts[i]) > -1) )
			{
				//is a port
				setInternalAd("/images/routes/european-breakdown-cover.gif","/breakdown-cover/european-breakdown-cover.jsp","Get European breakdown cover");
				return true;
			}
		}
	}
	return false;
}