/*
	 *	jquery.suggest 1.1 - 2007-08-06
	 *	jquery.suggest 1.1m01 - 2010-02-25 by Petrenko Yuri - modified for 3SunS CMS
	 *	
	 *	Uses code and techniques from following libraries:
	 *	1. http://www.dyve.net/jquery/?autocomplete
	 *	2. http://dev.jquery.com/browser/trunk/plugins/interface/iautocompleter.js	
	 *
	 *	All the new stuff written by Peter Vulgaris (www.vulgarisoip.com)	
	 *	Feel free to do whatever you want with this file
	 *
	 */
	
	(function($) {

		$.suggest = function(input, options) {
	
			var $input = $(input).attr("autocomplete", "off");
			var $results = $(document.createElement("ul"));

			var timeout = false;		// hold timeout ID for suggestion results to appear	
			var prevLength = 0;			// last recorded length of $input.val()
			var cache = [];				// cache MRU list
			var cacheSize = 0;			// size of cache in chars (bytes?)
			
			$results.addClass(options.resultsClass).appendTo('body');
/*			
			var $cc = $(document.createElement("div"));
			$cc.html("asasgag a agag");
			$cc.addClass(options.resultsClass).appendTo('body');
*/
			resetPosition();
			$(window)
				.load(resetPosition)		// just in case user is changing size of page while loading
				.resize(resetPosition);

			$input.blur(function() {
//				alert($input.attr('lang'));
//				$results.hide();								 
				setTimeout(function() { $results.hide() }, 200);
			});
//			$input.focus(function() {			$(".ac_results").hide();			});
			
			
			// help IE users if possible
			try {
				$results.bgiframe();
			} catch(e) { }


			// I really hate browser detection, but I don't see any other way
			if ($.browser.mozilla)
				$input.keypress(processKey);	// onkeypress repeats arrow keys in Mozilla/Opera
			else
				$input.keydown(processKey);		// onkeydown repeats arrow keys in IE/Safari

			$input.dblclick(suggest);


			function resetPosition() {
				// requires jquery.dimension plugin
				var offset = $input.offset();
				$results.css({
					top: (offset.top + input.offsetHeight) + 'px',
					left: offset.left + 'px'
				});
			}
			
			
			function processKey(e) {
				
				// handling up/down/escape requires results to be visible
				// handling enter/tab requires that AND a result to be selected
				if ((/27$|38$|40$/.test(e.keyCode) && $results.is(':visible')) ||
					(/^13$|^9$/.test(e.keyCode) && getCurrentResult())) {
		            
		            if (e.preventDefault)
		                e.preventDefault();
					if (e.stopPropagation)
		                e.stopPropagation();

	                e.cancelBubble = true;
	                e.returnValue = false;

					switch(e.keyCode) {
	
						case 38: // up
							prevResult();
							break;
				
						case 40: // down
							nextResult();
							break;
	
						case 9:  // tab
							$results.hide();
//							alert('tab');
							break;
						case 13: // return
							selectCurrentResult();
							break;
							
						case 27: //	escape
							$results.hide();
							break;
	
					}
//							alert('key: ' + e.keyCode);
					
				} else if ($input.val().length != prevLength) {

					if (timeout) 
						clearTimeout(timeout);
					timeout = setTimeout(suggest, options.delay);
					prevLength = $input.val().length;
					
				}
				
			}
			
			
			function suggest() {
				var q = $.trim($input.val());
//				alert('q ' + q);
				if (q.length >= options.minchars) {
					
					cached = checkCache(q);
					
					if (cached) {
					
						displayItems(cached['items']);
						
					} else {
						// *** JSHTTPRequest replacement
						if (empty(options.dataType)) options.dataType = $input.attr("lang");
						if (empty(options.citySel)) options.citySel = $("#qs_city_sel").val();
						
//							options.dataType = $("#qs_datatype_sel").val();
						
//						alert(options.dataType);						
//						return;

						JsHttpRequest.query(
							'hr_gate.php?test=500&r='+Math.random(),
							{
								'sp': "qs"
								,'str': q 
								,'dataType' : options.dataType
								,'citySel' : options.citySel
//								,'opts': ["raw_output"] 
							},
							function(result, errors) {
								if (errors) alert(errors);
								$results.hide();
//								$("#qs_cc .count").css({display: "none"});
								if (result) {
									//alert(result.count_prod)
//									if (result.data) update_qs_list(result);
									txt = result.data;
//									alert($("#qs_cc .count").html());
										
									if (!empty(txt)) {
//										alert(txt);
										var items = parseTxt(txt, q);
										displayItems(items);
										addToCache(q, items, txt.length);

										if (!empty(result.out)) {
											if (!empty(result.out.count)) {
												$("li.cc .count").toggle();
//												$("li.cc .count").css({display: ""});
												$("li.cc .count b").html(result.out.count);
												if (!empty(result.out.time)) 
													$("li.cc .count tt").html(" (" + result.out.time + " c)");
//												alert($("li.cc .count").html());
											}
										}

									}


									
								}
							},
							true  //DISABLE 	 caching // ENABLE
						);

						/** disable default AJAX handler
					
						$.get(options.source, {q: q, sp:'qs', 'opts[]': ["raw_output"]}, function(res) {

							$results.hide();
							txt = res.data;
							alert(res.data);
							
							var items = parseTxt(txt, q);
							
							displayItems(items);
							addToCache(q, items, txt.length);
							
						});
						*/
						
					}
					
				} else {
				
					$results.hide();
					
				}
					
			}
			
			
			function checkCache(q) {

				for (var i = 0; i < cache.length; i++)
					if (cache[i]['q'] == q) {
						cache.unshift(cache.splice(i, 1)[0]);
						return cache[0];
					}
				
				return false;
			
			}
			
			function addToCache(q, items, size) {

				while (cache.length && (cacheSize + size > options.maxCacheSize)) {
					var cached = cache.pop();
					cacheSize -= cached['size'];
				}
				
				cache.push({
					q: q,
					size: size,
					items: items
					});
					
				cacheSize += size;
			
			}
			
			function displayItems(items) {
				
//				if (!items) return;
					
				if (!items || !items.length) {
					$results.hide();
//					alert('empty');
					return;
				}
				
				var html = '';
				for (var i = 0; i < items.length; i++) {
					var curr_item = items[i];
					key = false;
					tmp_pos = curr_item.indexOf("[");
					if ( tmp_pos > -1) {
//						alert(tmp_pos); return;
						tmp_pos_end = curr_item.indexOf("]", tmp_pos);
						if (!empty(tmp_pos_end)) key = curr_item.substr(tmp_pos+1, tmp_pos_end - tmp_pos-1);
						items[i] = curr_item.substr(0, tmp_pos);
//						alert(items[i]); return;
					}
					if (!empty(key)) {
						html += '<li lang="'+key+'">' + items[i] + '</li>'; // + key
					} else 
					html += '<li>' + items[i] + '</li>';
										   
//					html += '<li lang="'+i+'">' + items[i] + '</li>';
				}

				
				var cc_html = $("#qs_cc").html();
				if (!empty(cc_html)) html += '<li class="cc">'+ cc_html +'</li>';

				$results.html(html).show();
				
				$results
					.children('li')
					.mouseover(function() {
						$results.children('li').removeClass(options.selectClass);
						$(this).addClass(options.selectClass);
					})
					.click(function(e) {
						e.preventDefault(); 
						e.stopPropagation();
						selectCurrentResult();
					});

				$(".btnClose", $results).bind('click', function(){
						if (!empty(options.resultsClass))	$("."+options.resultsClass).hide();
					});			
	
							
			}
			
			function parseTxt(txt, q) {
				
				var items = [];
				var tokens = txt.split(options.delimiter);
				
				// parse returned data for non-empty items
				for (var i = 0; i < tokens.length; i++) {
					var token = $.trim(tokens[i]);
					if (token) {
						if (!options.disableHighlight)
						token = token.replace(
							new RegExp(q, 'ig'), 
							function(q) { return '<i class="' + options.matchClass + '">' + q + '</i>' }
							);
						
						items[items.length] = token;
					}
				}
				
				return items;
			}
			
			function getCurrentResult() {
			
				if (!$results.is(':visible'))
					return false;
			
				var $currentResult = $results.children('li.' + options.selectClass);
				
				if (!$currentResult.length)
					$currentResult = false;
					
				return $currentResult;

			}
			
			function selectCurrentResult() {
			
				$currentResult = getCurrentResult();

				if ($currentResult && !$currentResult.hasClass("cc")) {
					if (!options.disableAutocomplete)
						$input.val($currentResult.text());
//					alert($currentResult.html());
					$results.hide();
					
					if (options.onSelect)
						options.onSelect.apply($currentResult);
//						options.onSelect.apply($input[0]);
						
				}
			
			}
			
			function nextResult() {
			
				$currentResult = getCurrentResult();
//				if ($currentResult.hasClass("cc")) return nextResult();
			
				if ($currentResult) {
					$currentResult
						.removeClass(options.selectClass)
						.next()
							.addClass(options.selectClass);
					$currentResult = getCurrentResult();
					if (!$currentResult) $results.children('li:first-child').addClass(options.selectClass);
					// ** cc adds
					if ($currentResult && $currentResult.hasClass("cc")) nextResult();					
				}
				else
					$results.children('li:first-child').addClass(options.selectClass);

			
			}
			
			function prevResult() {
			
				$currentResult = getCurrentResult();
			
				if ($currentResult) {
					$currentResult
						.removeClass(options.selectClass)
						.prev()
							.addClass(options.selectClass);
					/*		
					if ($currentResult.hasClass("cc")) {
						return prevResult();
					}
					*/
					$currentResult = getCurrentResult();
					if (!$currentResult) {
						$results.children('li:last-child').addClass(options.selectClass);
						$currentResult = getCurrentResult();
						if ($currentResult && $currentResult.hasClass("cc")) prevResult();
					}
				}
				else
					$results.children('li:last-child').addClass(options.selectClass);
			
			}
	
		}
		
		$.fn.suggest = function(source, options) {
		
			if (!source)
				return;
		
			options = options || {};
			options.source = source;
			options.delay = options.delay || 200;
			options.resultsClass = options.resultsClass || 'ac_results';
			options.selectClass = options.selectClass || 'ac_over';
			options.matchClass = options.matchClass || 'ac_match';
			options.disableHighlight = options.disableHighlight || false;
			options.disableAutocomplete = options.disableAutocomplete || false;
			options.dataType = options.dataType || false;// $(this).attr("lang")
			options.minchars = options.minchars || 3;
			options.delimiter = options.delimiter || '\n';
			options.onSelect = options.onSelect || false;
			options.maxCacheSize = options.maxCacheSize || 65536;
	
			this.each(function() {
				new $.suggest(this, options);
			});
	
			return this;
			
		};
		
	})(jQuery);