// Constructor. 
var RichFXInterface = function(name, methods) { 
    if(arguments.length != 2) { 
	    RICHFX.jQuery.Console.Error("RichFXInterface constructor called with " + arguments.length + "arguments, but expected exactly 2."); 
    } 
     
    this.name = name; 
    this.methods = []; 
    if ( methods != undefined )  {
    	for(var i = 0, len = methods.length; i < len; i++) { 
	        if(typeof methods[i] !== 'string') { 
	            RICHFX.jQuery.Console.Error("RichFXInterface constructor expects method names to be passed in as a string."); 
	        } 
	        this.methods.push(methods[i]);         
	    }	
    }    
};     

// Static class method. 
RichFXInterface.ensureImplements = function(object) { 
    if(arguments.length < 2) { 
        RICHFX.jQuery.Console.Error("Function RichFXInterface.ensureImplements called with " +  arguments.length  + "arguments, but expected at least 2."); 
    } 
 
    for(var i = 1, len = arguments.length; i < len; i++) { 
        var intrface = arguments[i]; 
        if(intrface.constructor !== RichFXInterface) { 
            RICHFX.jQuery.Console.Error("Function RichFXInterface.ensureImplements expects arguments two and above to be instances of RichFXInterface."); 
        } 

        if ( object != null ) {
	        for(var j = 0, methodsLen = intrface.methods.length; j < methodsLen; j++) { 
	            var method = intrface.methods[j];
	            if(!object[method] || typeof object[method] !== 'function') { 
	                RICHFX.jQuery.Console.Error("Function RichFXInterface.ensureImplements: object does not implement the " + intrface.name  + " interface. Method " + method + " was not found."); 
	            } 
	        }
        }
    }  
}; 

// We pass into the RichFXInterface the name of the current RichFXInterface instance, 
// followed by an Array of the methods we are expecting to find
var Viewer = new RichFXInterface('Viewer',['init', 'require', 'register', 'embed']);

var ViewerFactory = function(){};
ViewerFactory.prototype = {
    createViewer: function(name, oSettings) {

	    var viewer;
		
		if (name == 'imageZoom') {
			viewer = new ImageZoom();
		} else if (name == 'imageDragBox') {
			viewer = new ImageDragBox();
		} else if (name == 'imageSlider') {
			viewer = new ImageSlider();
		} else if (name == 'imageCloseUp') {
			viewer = new ImageEnlarge();
		} else if (name == 'imageCloseUpFade') {
		    oSettings = RICHFX.jQuery.extend({}, oSettings, {"showEffect": "fade", "hideEffect": "fade"});
			viewer = new ImageEnlarge();
		} else if (name == 'imageEnlarge') {
			viewer = new ImageEnlarge();
		} else if (name == 'enlargePop') {
			viewer = new ImageEnlarge();
		} else if (name == 'enlargeFade') {
		    oSettings = RICHFX.jQuery.extend({}, oSettings, {"showEffect": "fade", "hideEffect": "fade"});
			viewer = new ImageEnlarge();
		} else if (name == 'imageColorChange') {
			viewer = new ImageColorChange();
		} else if (name == 'imagePanZoom') {
			viewer = new ImagePanZoom();
		} else if (name == 'imagePanRotate') {
			viewer = new ImagePanRotate();
		} else if (name == 'imageRotate') {
		    viewer = new ImageRotate();
		} else if (name == 'imageVideo') {
			viewer = new ImageVideo();
		} else if (name == 'socialMedia') {
		    viewer = new SocialMedia();
		} else if (name == 'socialBookmark') {
		    viewer = new SocialBookmark();
		} else if (name == 'facebookConnect') {
		    viewer = new FacebookConnect();
		} else if (name == 'imageEnlargeStandard') {
			viewer = new ImageEnlargeStandard();
		} else if (name == 'imagePromoBanner') {
			viewer = new ImagePromoBanner();
		} else if (name == 'imageCC') {
			viewer = new ImageCC();
		} else if (name == 'imageMultiSegment') {
			viewer = new ImageMultiSegment();
		}
		
		RichFXInterface.ensureImplements(viewer, Viewer);
		RICHFX.helpers.timer('Initializing '+name+':');
		viewer.init(oSettings);
		return viewer;
		
	}
};

var viewerFactory = new ViewerFactory();