define([], function() {

	function CallToAction(dispatcher, height, width, message, ctaImage, effectDuration, visibility, ctaImageID, ctaLeft, ctaTop) { // constructor
		// private variables
		this._dispatcher = dispatcher;
		this._height = height;
		this._width = width;
		this._message = message;
		this._ctaImage = ctaImage;
		this._effectDuration = effectDuration;
		this._visibility = visibility;
		this._ctaImageID = ctaImageID;
		this._ctaLeft = ctaLeft;
		this._ctaTop = ctaTop;
		this._ctaTrigger = "zoomin.zoombehavior";
		this._state = null;

		this._viewerID = '';
		
		// privileged functions
		
		// private functions
		this.bindCallToActionEvents = function () {
			
			if ( this._visibility == 'showOnLoad' )
			{
				RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID).bind("mouseover", RICHFX.jQuery.proxy(function(event){
					// Note
					// This looks ridiculous as a piece of code but is required to handle the difference between
					// Zoom and Rotate states for the rotation viewer
					// The mouseover has to be on the _dispatcher but can't be un-bound as it will break everything else
					// This is the only usuable course when trying to mix 'showOnLoad' in one state and 'Show Always' on the other
					if (this._visibility != 'showAlways')
					{
						RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID + '_cta').fadeOut("slow");	
					}
				}, this));

				RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID).bind("touchstart", RICHFX.jQuery.proxy(function(event){
					RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID + '_cta').fadeOut("slow");
				}, this));

				//RICHFX.jQuery('#' + this._dispatcher.id + '_cta').show();
			}
			else if ( this._visibility == 'showOnMouseover')
			{
				RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID).bind("mouseover", RICHFX.jQuery.proxy(function(event){ 
					this.handleShowOnMouseover();
				}, this));
			}
			else if ( this._visibility == 'showOnInitialZoom')
			{
				RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID).bind("assetstate.zoom.changed", RICHFX.jQuery.proxy(function(event){ 
					this.handleZoomChange();
				}, this));
			}

			if ( this._ctaTrigger != "" )
			{
				RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID + '_cta').unbind("click");
				RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID + '_cta').unbind("touchstart");

				if ( Modernizr.touch ) {
					RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID + '_cta').bind("touchstart", RICHFX.jQuery.proxy(function(event){
						RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID).trigger(this._ctaTrigger);
						return false;
					}, this));
				} else {
					RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID + '_cta').bind("click", RICHFX.jQuery.proxy(function(event){
						console.log('Fired _ctaTrigger: ' + this._ctaTrigger);
						RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID).trigger(this._ctaTrigger);
						return false;
					}, this));
				}
			}
			
			return false;
		};
		
		this.handleShowOnMouseover = function(event){
		
			RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID).unbind("mouseover");
			RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID).bind("mouseout", RICHFX.jQuery.proxy(function(event){ this.handleHideOnMouseout();}, this));
			
			RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID + '_cta').fadeIn("slow").delay(2000).fadeOut(2000);
			
			return false;
		};
		
		this.handleHideOnMouseout = function(event){
		
			RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID).unbind("mouseout");
			RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID).bind("mouseover", RICHFX.jQuery.proxy(function(event){ this.handleShowOnMouseover();}, this));
			
			return false;
		};
		
		this.handleZoomChange = function(event){
		
			var zoomLevel = this._state.getZoomLevel();

			if ( zoomLevel == 0 )
			{
				RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID + '_cta').show();
			} 
			else
			{
				RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID + '_cta').hide();
			}
			
			return false;
		};
	};

	CallToAction.prototype = {
		// variables
		
		//functions
		callToActionInit:function(){				
		},
		
		callToActionReady:function(){
			this.bindCallToActionEvents();
		},

		setMessageText: function(message) {

			if ( this._ctaImageID == "" )
			{
				var contents = '';
				this._message = message;

				if ( this._message != '' )
				{
					contents = '<br>&nbsp' + this._message;
				}

				RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID + '_cta').html(contents);	
			} 
		},

		setVisibility: function(setting) {
			this._visibility = setting;
		},

		setCustomCTA: function(imageID, top, left, trigger) {
			if ( this._visibility == "showOnLoad" || this._visibility == "showOnInitialZoom" || this._visibility == "showAlways" ) 
			{
				this._ctaImageID = imageID;
				this._ctaLeft = left;
				this._ctaTop = top;
				this._ctaTrigger = trigger;

				var contents = '';

				if ( this._message != '' )
				{
					contents = '<br>&nbsp' + this._message;
				}

				var posTop = ((this._height/2) - 25);
				var posLeft = ((this._width/2) - 60);

				if ( this._ctaImageID != "" )
				{
					var imgSrc = RICHFX.settings.sImageServiceURL + '?profileid='+RICHFX.settings.sProfileID+'&'+this._ctaImageID;

					imgSrc = RICHFX.media.buildRequiredUrl(imgSrc);
					
					contents = '<img src="' + imgSrc + '"/>';
					posTop = ((this._height * this._ctaTop)/100);
					posLeft = ((this._width * this._ctaLeft)/100);
				}

				RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID + '_cta').html(contents);
				RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID + '_cta').css('display', 'block');
				RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID + '_cta').css('z-index', 26050);
				RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID + '_cta').css('top', posTop +'px');
				RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID + '_cta').css('left', posLeft +'px');

				this.bindCallToActionEvents();	
			}
		},
		
		setState: function(assetState, viewerID) {
			this._state = assetState;

			this._viewerID = viewerID;

			var display = 'none';
			
			if ( this._visibility == 'showOnLoad' || this._visibility == "showOnInitialZoom" || this._visibility == "showAlways" ) 
			{
				display = 'block';
			}

			var contents = '';

			if ( this._message != '' )
			{
				contents = '<br>&nbsp' + this._message;
			}

			var posTop = ((this._height/2) - 25);
			var posLeft = ((this._width/2) - 60);
			var style = "background-color:#EEEEEE; opacity: 0.6;";

			if ( this._ctaImageID != "" )
			{
				var imgSrc = RICHFX.settings.sImageServiceURL + '?profileid='+RICHFX.settings.sProfileID+'&'+this._ctaImageID;

				imgSrc = RICHFX.media.buildRequiredUrl(imgSrc);
				
				contents = '<img src="' + imgSrc + '"/>';
				posTop = ((this._height * this._ctaTop)/100);
				posLeft = ((this._width * this._ctaLeft)/100);
				style = "z-index: 26050";
			}
			
			this._cta = RICHFX.jQuery('#RICHFXViewerContainer_'+this._viewerID).append('<div id="RICHFXViewerContainer_'+this._viewerID + '_cta" style="width: 120; ' + 
																	'height: 50; display:' + display +'; position: absolute; top: ' + posTop + 'px; left: ' + posLeft + 'px; ' + 
																	style + '">' + contents + '</div>');
		}
	};

	return CallToAction;
});