APWidget = {
	urlXML: '',
	fixedQuery: false,
	query: '',
	defaultQuery: 'auto',
	urlPrefix: '/dist/',
	results: [],
	getHTML: function(){
		var html = [];
		html.push('<div id="apwidget" style="display: none;">');
			html.push('<div class="navs">');
			html.push('<a href="#" class="prev"></a>');
			html.push('<a href="#" class="next"></a>');
			html.push('</div>');
			html.push('<div class="clip">');
			html.push('<ul id="apscroller">');
			html.push('</ul>');
			html.push('</div>');
		html.push('</div>');
		return html.join('');
	},
	getResultHTML: function(){
		var html = [];
		$(APWidget.result).each(function(){
			html.push('<li>');
			html.push('<div class="picItem"><a href="'+this.url+'"><img src="'+this.imagen1+'" alt="foto" width="100" height="75" /></a></div>');
			html.push('<div class="infoCar">');
			html.push('<a href="'+this.url+'">'+this.marca+' '+this.modelo+' ' + this.year+'</a>');
			html.push('<p><strong>$'+this.precio+'</strong><br />'+this.estado+'<br />Color: <strong>'+this.colorexterior+'</strong><br />Km: <strong>'+this.kilometraje+'</strong></p>');
			html.push('</div>');
			html.push('</li>');
		});
		$('#apscroller').html(html.join(''));
		$('#apwidget').show();
	},
	callWS: function(){
		if (!APWidget.fixedQuery){
			APWidget.query = APWidget.createQuery();
		}
		var url= 'http://query.yahooapis.com/v1/public/yql?q=use "'+APWidget.urlXML+'" as ws; select * from ws where query="'+APWidget.escapeQuery(APWidget.query)+'" and hits="5";&format=json&callback=?';
		$.getJSON( url, APWidget.processResult);
	},
	processResult: function(data){
		var xml = APWidget.toXML(data.query.results.Envelope.Body.SearchResponse.SearchResult);
		$(xml).find("HIT").each(function() {
			APWidget.result.push(APWidget.getObjectFromHit($(this)));
		});
		APWidget.getResultHTML();
		APWidget.setScroller();
	},
	getObjectFromHit: function(hit){
		var obj = {};
		hit.find("FIELD").each(function() {
			if ($(this).attr("NAME") == "imagen1"){
				obj.imagen1 = $(this).text();	
			}
			if ($(this).attr("NAME") == "marca"){
				obj.marca = $(this).text();	
			}
			if ($(this).attr("NAME") == "modelo"){
				obj.modelo = $(this).text();	
			}
			if ($(this).attr("NAME") == "year"){
				obj.year = $(this).text();	
			}
			if ($(this).attr("NAME") == "colorexterior"){
				obj.colorexterior = $(this).text();	
			}
			if ($(this).attr("NAME") == "kilometraje"){
				obj.kilometraje =  $(this).text();
				if (obj.kilometraje != ''){
					obj.kilometraje = APWidget.addCommas(parseInt($(this).text()).toFixed(0));
				}
			}
			if ($(this).attr("NAME") == "anuncioid"){
				obj.anuncioid = $(this).text();	
			}
			if ($(this).attr("NAME") == "estado"){
				obj.estado = $(this).text();	
			}
			if ($(this).attr("NAME") == "precio"){
				obj.precio = APWidget.addCommas(parseInt($(this).text()).toFixed(0));	
			}
		});
		obj.url = APWidget.urlPrefix+APWidget.fixForUrl(obj.marca)+"-"+APWidget.fixForUrl(obj.modelo)+"-"+APWidget.fixForUrl(obj.year)+"~id"+APWidget.fixForUrl(obj.anuncioid)+".aspx";
		return obj;
	},
	fixForUrl: function(string){
		return string.replace(" ","-");
	},
	draw: function(){
		APWidget.result = [];
		APWidget.callWS();
		document.write(APWidget.getHTML());
	},
	toXML: function(string){
		var doc;
		if (navigator.appName == 'Microsoft Internet Explorer'){
			doc = new ActiveXObject('Microsoft.XMLDOM');
			doc.async = 'false'
			doc.loadXML(string);
		} else {
			doc = (new DOMParser()).parseFromString(string, 'text/xml');
		}
		return doc;
	},
	createQuery: function(){
		var q = [];
		if (!APWidget.isEmpty($('#marca'))){
			q.push('marca:("'+$('#marca').val()+'")'); 
		}
		if (!APWidget.isEmpty($('#modelo'))){
			q.push('modelo:("'+$('#modelo').val()+'")'); 
		}
		if (!APWidget.isEmpty($('#year'))){
			q.push('year:("'+$('#year').val()+'")'); 
		}
		if (!APWidget.isEmpty($('#version'))){
			q.push('version:("'+$('#version').val()+'")'); 
		}
		/*
		if (q.length == 0)
			q.push(APWidget.defaultQuery);
		*/
		return q.join(" and ");
	},
	escapeQuery: function(string){
		return string.replace(/"/g,'\\"');
	},
	isEmpty: function(input){
		if (input.val() === undefined || input.val() == '')
			return true;
		return false;
	},
	addCommas: function(nStr){
		nStr += '';
		x = nStr.split('.');
		x1 = x[0];
		x2 = x.length > 1 ? '.' + x[1] : '';
		var rgx = /(\d+)(\d{3})/;
		while (rgx.test(x1)) {
			x1 = x1.replace(rgx, '$1' + ',' + '$2');
		}
		return x1 + x2;
	},
	setScroller: function(){
		$('#apwidget .clip').serialScroll({
			items:'li',
			prev:'#apwidget .navs .prev',
			next:'#apwidget .navs .next',
			offset:0, 
			start:0, 
			duration:1200,
			force:true,
			stop:true,
			lock:false,
			cycle:false, 
			easing:'easeOutQuart', 
			jump: false
		});
	}
}


jQuery.easing.easeOutQuart = function (x, t, b, c, d) {
	return -c * ((t=t/d-1)*t*t*t - 1) + b;
};

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