var cart = {
	add: function(pid) {
		new Ajax.Request('/shop/addcart/', {
			parameters: { pid: pid, qty: $('qty_'+pid).value },
			onLoading: function() {
				cart.setLoad('cn_'+ pid);
			},
			onSuccess: function(transport, json) {
				var data = transport.responseText.evalJSON();
				$(data.update_div).update(data.in_cart);
				$('topcart').update(data.main_cart);
			}
		});
	},

	setLoad: function(div) {
		$(div).show();
		$(div).update("<img src='/images/loading_dots.gif' width='43' height='11' />");
	},
	edit: function() {
		new Ajax.Request('/shop/editcart/', {
			method: 'get',
			onLoading: function() {
				cart.setLoad('overlay_cart');
			},
			onSuccess: function(transport, json) {
				var data = transport.responseText.evalJSON();
				$('overlay_cart').update(data.update);
				$('topcart').update(data.main_cart);
			}
		});
	},
	update: function(id) {
		var i = id.replace(/update-/, '');
		new Ajax.Request('/shop/updatecart/', {
			parameters: { id: i, qty: $('qty-'+ i).value },
			onLoading: function() {
				cart.setLoad('overlay_cart');
			},
			onSuccess: function(transport, json) {
				var data = transport.responseText.evalJSON();
				$('overlay_cart').update(data.update);
				$('topcart').update(data.main_cart);
				cart.updateCheckoutCart();
			}
		});
	},
	remove: function(id) {
		var i = id.replace(/remove-/, '');
		new Ajax.Request('/shop/removecart/', {
			parameters: { id: i },
			onLoading: function() {
				cart.setLoad('overlay_cart');
			},
			onSuccess: function(transport, json) {
				var data = transport.responseText.evalJSON();
				if (data.total == 0) {
					$('overlay_cart').update();
					$('overlay_cart').hide();
				} else {
					$('overlay_cart').update(data.update);
				}
				$('topcart').update(data.main_cart);
				cart.updateCheckoutCart();
			}
		});
	},
	updateCheckoutCart: function() {
		if (httpLocation.directory == '/checkout/') {
			new Ajax.Request('/checkout/showcart/', {
				onSuccess: function(transport, json) {
					$('co_cart').update(transport.responseText);
				}
			});	
		} else {
			return false;
		}
	},
	dump: function() {}
};

var checkout = {
	copyFields: function(target) {
		var ship = $$(".ship");
		ship.each(function(e) {
			var t = $(e).name;
			var y = t.replace(/s_/, 'b_');
			if (target.checked == true) {
				Form.Element.setValue(y, e.value);
			} else {
				Form.Element.setValue(y, '');
			}
		});
	},
	checkFields: function() {
		// nothing //
	}
};

var httpLocation = {
	url: location,
	parse: function() {
		var params = this.parseUri(location);
		Object.extend(this, params);
	},
	options: {
		strictMode: false,
		key: ["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"],
		q:   {
			name:   "queryKey",
			parser: /(?:^|&)([^&=]*)=?([^&]*)/g
		},
		parser: {
			strict: /^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,
			loose:  /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/
		}
	},
	parseUri: function(str) {
		var	o   = this.options,
			m   = o.parser[o.strictMode ? "strict" : "loose"].exec(str),
			uri = {},
			i   = 14;
	
		while (i--) uri[o.key[i]] = m[i] || "";
	
		uri[o.q.name] = {};
		uri[o.key[12]].replace(o.q.parser, function ($0, $1, $2) {
			if ($1) uri[o.q.name][$1] = $2;
		});
	
		return uri;
	},
	swap: function(url) {
		document.location.href = url;
	}
};

Event.observe(window, 'load', function(event) {
	httpLocation.parse();
	var currentContentHeight = document.body.offsetHeight;
	if (currentContentHeight < window.innerHeight) {
		$$('html')[0].style.height = '100%';
	}
});

Event.observe(document, 'click', function(event) {
	var target;
	if (!event) { event = window.event; }
	if (event.target) { 
		target = event.target; 
	} else if (event.srcElement) {
		target = event.srcElement;
	}
	if (target.nodeType == 3) {
		target = target.parentNode;
	}
	
	var id = target.id;
	var classID  = target.className;

	if (id == 'editcart') {
		cart.edit();
	}

	if (id == 'cart_close') {
		$('overlay_cart').hide();
	}

	if (classID == 'cart_update') {
		cart.update(id);
	}

	if (classID == 'cart_remove') {
		cart.remove(id);
	}

	if (id == 'co_same') {
		checkout.copyFields(target);
	}

	if (id == 'co_submit') {
		//checkout.checkFields();
	}
});

var reportStatus = new Array();
function report ( msg ) {
    reportStatus.push ( msg );
}
function showReport ( err ) {
    alert ( reportStatus.join ( "\n" ) );
}
window.onerror = function ( err, url, line ) {
    report ( err + " [" + url + " - line " + line + "]" );
    showReport();
}