/**
 * => Mootools 1.2
 * 	=> Core
 * @classDescription
 * Classe qui vérifie si le produit est disponible ou épuisé suivant les attributs sélectionnés 
 * @author M@nu/Baphira
 */
var AvailabilityChecker = new Class({
	
	/**
	 * Constructor
	 * @param {String} attributesClass la "class" de(s) la/les liste(s) d'es attributs
	 */
	initialize: function(attributesClass, urlForUpdate, msgArea){
		this.urlForUpdate = urlForUpdate;
		this.msgArea = msgArea;
		this.attributesClass = attributesClass;
		this.attributes = $$('.'+this.attributesClass);
		this.effect = new Fx.Morph(this.msgArea, {
			transition: Fx.Transitions.linear,
			duration: 2000
		});

		this.attributes.each(function(attribute) {
			if(attribute.get('tag') == 'input') {
				// radio buttons
				attribute.getParent().getElements('input').each(function(el){
				// attribute.form.getElements('input[name="'+attribute.getProperty('name')+'"]').each(function(el){ //BUG IE
					el.addEvent('click', function(e) {
						this.check();
					}.bind(this));
				}.bind(this));
			} else {
				// select
				attribute.addEvent('change', function(e) {
					this.check();
				}.bind(this));				
			}
		}.bind(this));
		
		new Observer($('products_quantity'), function() {
			this.check();
		}.bind(this), {delay: 400});

    },
	
	check: function(){
		//spec cordage
		var qtyNum = $('products_quantity').value.toInt();
		var qtyMin= qtyNum;
		if($('products_quantity_longueur')) {
			qtyMin = $('products_quantity_longueur').value.toInt();
			if($('products_quantity_largeur')) {
				//TODO paillassons coco
				qtyMin = $('products_quantity_m2').value.toInt();
			}
		}
		
		var err = false;
		if (isNaN(qtyNum) || qtyNum <= 0) {
			err = true;
		} else if($('products_quantity').getParent().getElement('.qty_min span')) {
			this.check_qty_min = $('products_quantity').getParent().getElement('.qty_min span').get('text').toInt();
			if(qtyMin < this.check_qty_min) {
				err = true;
			}
		}
		if(!err) {
		//
			var xhr = new Request({
				url: this.urlForUpdate,
				method: 'post',
				onSuccess: function(responseText) {
					try {
						eval('var checkInfo = '+responseText+';');
						if(checkInfo.available != 'unknown') {
							this.msgArea.setStyle('opacity',0);
							this.msgArea.set('html',checkInfo.msg);
							new Fx.Morph (this.msgArea, {
								transition: Fx.Transitions.linear,
								duration: 2000
							}).start({
								opacity: [0,1]
							});
						} else {
							this.msgArea.empty();
						}
					} catch(e) {
						alert(e);
					}
				}.bind(this)
			});

			var queryString = 'product_id='+$('products_id').value;
			var attributes = new Helper().getAttributes($('cart_quantity'));
			if($chk(attributes)) {
				for (var i = 0; i < this.attributes.length; i++) {
					queryString += '&idattr['+i+']='+attributes[i].idAttr;
					queryString += '&idattrvalue['+i+']='+attributes[i].idAttrValue;
				}
			}
			//queryString += '&product_qty='+($('products_quantity').value.toInt() + shoppingCartUpdater.cart.getProductQty($('products_id').value, attributes));
			//xhr.send(queryString);
		}
	}
	
});