/* Namespace setup */
if (typeof tjx == "undefined") {
    var tjx = {};
}
if (typeof tjx.widget == "undefined") {
    tjx['widget'] = {};
}
if (typeof tjx.widget.facebook == "undefined") {
    tjx.widget['facebook'] = {};
}

jQuery(document).ready(function($) {
	//if Facebook featureloader is not defined
	if( typeof FB === "undefined" ) {
		tjx.widget.facebook.enabled = false;
	}
	else {
		try {
			//make sure FBConnect plugin is not initialized before FB init
			if( typeof FBConnect === "undefined" ) {
				FB.init('f2e5afc298977d1b2a16f4510ea8e336',
					"http://www.marshallsonline.com/wp-content/tjx-commons/thirdparty/facebook/xd_receiver.htm",
					{"forceBrowserPopupForLogin":false}
				);
			}
			tjx.widget.facebook.enabled = true;
		}
		catch(e) {
			tjx.widget.facebook.enabled = false;
		}
	}
	if( tjx.widget.facebook.enabled ) {
		tjx.widget.facebook.FBFacade = function() {
			return {
				init: function() {
				  FB.ensureInit(function() {
				      FB.Facebook.get_sessionState().waitUntilReady(function(session) {
				          var is_now_logged_into_facebook = session ? true : false;
				        });
				    });

				},

				/**
				 * This function accepts an array of facebook parameters and the callback function.
				 */
				publishPost: function(paramArr, callback) {
					//if facebook is not initialized dont try to post
					if( typeof FBConnect !== "undefined" && FBConnect.initialized == false) {
						callback();
					}
					that = this;
					that.callback = callback;
					FB.ensureInit(function() {
						console.log("in ensure init");
						var images = [];
						//Check for the environment as images can be supported only when the enrvironment is live
						//since FB validates the image urls.
						if( "prod" === "prod" && paramArr['images'] && paramArr['images'].length != 0 ) {
							images[0] = { "src": paramArr['images'],
										"href": paramArr['url'] };
						}
						template_data = {
								"title" : paramArr['title'],
								"url" : paramArr['url'],
								"desc" : paramArr['desc'],
								"images" : images
						};
						result = FB.Connect.showFeedDialog(129626369940, template_data,
							null, null, null, FB.RequireConnect.promptConnect, that.callback
						);
					});
				},

				publishComment: function(paramArr, callback) {
					//if facebook is not initialized dont try to post
					if( typeof FBConnect !== "undefined" && FBConnect.initialized == false) {
						callback();
					}
					that = this;
					that.commentCallback = callback;
					FB.ensureInit(function() {
						console.log("publishComment in ensure init");
						var images = [];

						FB.Connect.requireSession(function(exception){
							console.log(FB.Facebook.apiClient.get_session().uid + " is logged in");
							result = FB.Connect.showFeedDialog(137492967928, {
									"comment" : paramArr['comment'],
									"product" : paramArr['product'],
									"price" : paramArr['price'],
									"content" : paramArr['desc'],
									"url" : paramArr['url']
								},
								null,'',null, FB.RequireConnect.promptConnect, that.commentCallback
							);
						});
					});
				}
			};
		};
	}
	else {
		//dummy object if facebook is not enabled
		tjx.widget.facebook.FBFacade = function() {
			return {
				init: function() {
					console.log("FB is not enabled");
				},
				publishPost: function(paramArr, callback) {
					console.log("publishPost: FB is not enabled");
					callback();
				},
				publishComment: function(paramArr, callback) {
					console.log("publishComment: FB is not enabled");
					callback();
				}
			}
		};
	}

});