/**
 * Using YUI AutocomComplete to provide suggested terms from ezFind
 */
if (window.YUI !== undefined) {
	var eZAJAXAutoComplete = function(){
	
		var _cfg = {}, YAHOO;
		
		/**
		 * Initializes the widget
		 *
		 * @private
		 */
		var initAutosuggest = function(){
			var dsJSON = new YAHOO.util.DataSource(_cfg.url);
			dsJSON.responseType = YAHOO.util.DataSource.TYPE_JSON;
			dsJSON.connXhrMode = "cancelStaleRequests";
			dsJSON.responseSchema = {
				resultsList: "content",
				fields: ["facet", "count"],
				metaFields: {
					errorMessage: "error_text"
				}
			};
			
			var autoComplete = new YAHOO.widget.AutoComplete(_cfg.inputid, _cfg.containerid, dsJSON);
			autoComplete.useShadow = true;
			autoComplete.minQueryLength = _cfg.minquerylength;
			autoComplete.allowBrowserAutocomplete = false;
			autoComplete.generateRequest = function(q){
				return "::" + q + "::" + _cfg.resultlimit + "?ContentType=json";
			};
		}
		
		return {
			/**
			 * The initialization of the module
			 * Using YUI3 loader to avoid race conditions
			 *
			 * @param {Array}
			 *            url,
			 *            inputid,
			 *            containerid,
			 *            minQueryLength,
			 *            resultlimit
			 */
			init: function(configuration){
				_cfg = configuration;
				YUI(YUI3_config).use('yui2-connection', 'yui2-autocomplete', function(Y){
					YAHOO = Y.YUI2;
					initAutosuggest();
				});
			}
		}
	};
}