var FeedMillClient = function() {
	var script = null;
	var status = 0;
	var loadedJSON;
	var safetyTimeout = 0;
	
	var config = {
		feedMillURLServer: "http://feedmill.netstellar.com/api/PublishedFeedGroup.json", 
		clientURLServer: "http://www.optimum.net/images/feedmill/api/PublishedFeedGroup"
	}
	
	var checkType = function() {
		
			if(window.location.href.match(/[a-z]*:\/\/preview/)) {
				return "S"
			} else {
				return "P"
			}
		
		
		return "P";
	}
	
	var uri = [];
	
	var createScript = function(uri) {
		script = document.createElement("script");
		script.type = 'text/javascript'; 
	    script.src = uri; 
	    document.getElementsByTagName('head')[0].appendChild(script);
	}
	
	var loaded = function(json) {
		if(json) {
			loadedJSON = json;
			clearTimeout(safetyTimeout);
			if(loadedJSON && loadedJSON.published) {
				setStatus(1);
				callback[loadedJSON.published.feedGroup](loadedJSON);
			} else {
				if(loadedJSON.error) {
					alert(loadedJSON.error);
				}
			}
		} else {
			sendRequest(config.feedMillURLServer);
		}
	}
	
	var sendRequest = function(script) {
		createScript(script);
		var u = navigator.userAgent.toLowerCase();
		var ie = false;
		safetyTimeout = setTimeout(function() {
			loaded();
		}, 10000);
	}
	
	var setStatus = function(s) {
		status = s;
	}
	
	var prepareUrl = function(args, type) {
		uri.push(["clientId=",encodeURIComponent('cablevision')]);
		if("feedGroupName" in args) {
			uri.push(["feedGroupName=", encodeURIComponent(args["feedGroupName"])]);
		}
		uri.push(["target=", checkType()]);
		if("maxImages" in args) {
			uri.push(["maxImages=", args["maxImages"]]);
		}
		
		if("imagesOnFirstPositionOnly" in args) {
			uri.push(["imagesOnFirstPositionOnly=", (args["imagesOnFirstPositionOnly"])?"true":"false"]);
		}
		
		if("imageSizes" in args) {
			try {
				var imageSizes = [];
				
				(function(arr) {
					switch(typeOf(arr)) {
						case 'string':
							imageSizes.push("-1x-1");
						break;
						case 'object':
							imageSizes.push(arr.width + "x" + arr.height);
						break;
						case 'array':
							var len = arr.length;
							for(var i=0; i < len; i++) {
								arguments.callee(arr[i]);
							}
						break;
					}
				})(args["imageSizes"]);
				
				uri.push(["imageSizes=", imageSizes.join(",")]);
			} catch(e) { }
		}
	}
	
	var joinUrl = function(type) {
		if(type == '_') {
			var url = "";
			for(var i = 0, l=uri.length; i < l; i++) {
				url += "_" + uri[i][1];
			}
		} else {
			var url = "?";
			for(var i = 0, l=uri.length; i < l; i++) {
				url += uri[i].join("");
				if(i < l-1) {
					url += "&"
				}
			}
		}
		
		return url;
	}
	
	var typeOf = function(value) {
	    var s = typeof value;
	    if (s === 'object') {
	        if (value) {
	            if (typeof value.length === 'number' &&
	                    !(value.propertyIsEnumerable('length')) &&
	                    typeof value.splice === 'function') {
	                s = 'array';
	            }
	        } else {
	            s = 'null';
	        }
	    }
	    return s;
	}
	
	var callback = {};
	
	return {
		getFeedGroup: function() {
			var args = arguments[0];
			prepareUrl(args);
			var timestamp = +new Date;
			config.clientURLServer += joinUrl("_") + ".json?ts=" + timestamp;
			config.feedMillURLServer += joinUrl();
			
			callback[args.feedGroupName] = arguments[1];
			sendRequest(config.clientURLServer);
		},
		getResponse: function(json) {
			loaded(json);
		}
	}	
}();