//global variables
var combinations = new Array();
var selectedCombination = new Array();
var globalQuantity = new Number;
var colors = new Array();

//add a combination of attributes in the global JS sytem
function addCombination(idCombination, arrayOfIdAttributes, quantity, price, ecotax, id_image)
{
	globalQuantity += quantity;

	var combination = new Array();
	combination['idCombination'] = idCombination;
	combination['quantity'] = quantity;
	combination['idsAttributes'] = arrayOfIdAttributes;
	combination['price'] = price;
	combination['ecotax'] = ecotax;
	combination['image'] = id_image;
	combinations.push(combination);
}

// search the combinations' case of attributes and update displaying of availability, prices, ecotax, and image
function findCombination()
{
	//create a temporary 'choice' array containing the choices of the customer
	var choice = new Array();
	$('div#attributes select').each(function(){
		choice.push($(this).val());
	});
	var nbAttributesEquals = 0;
	//testing every combination to find the conbination's attributes' case of the user
	
	for (combination in combinations)
	{
		//verify if this combinaison is the same that the user's choice
		nbAttributesEquals = 0;
		for (idAttribute in combinations[combination]['idsAttributes'])
		{
			//ie6 bug fix
			if (idAttribute != 'indexOf'){
				//if this attribute has been choose by user
				if (in_array(combinations[combination]['idsAttributes'][idAttribute], choice))
				{
					//we are in a good way to find the good combination !
					nbAttributesEquals++;
				}
			}
		}

		if (nbAttributesEquals == choice.length)
		{
			//combination of the user has been found in our specifications of combinations (created in back office)
			selectedCombination['unavailable'] = false;
			
			$('#idCombination').val(combinations[combination]['idCombination']);

			//get the data of product with these attributes
			quantityAvailable = combinations[combination]['quantity'];
			selectedCombination['price'] = combinations[combination]['price'];
			selectedCombination['ecotax'] = combinations[combination]['ecotax'];
			
			//show the large image in relation to the selected combination
			if (combinations[combination]['image'] && combinations[combination]['image'] != -1)
				displayImage( $('#thumb_'+combinations[combination]['image']).parent() );
			
			//update the display
			updateDisplay();
			
			//leave the function because combination has been found
			return;
		}
	}
	//this combination don't exist (not created in back office)
	selectedCombination['unavailable'] = true;
	updateDisplay();
}

function updateColorSelect(id_attribute)
{
	// Visual effect
	$('#color_'+id_attribute).fadeTo('fast', 1, function(){	$(this).fadeTo('slow', 0, function(){ $(this).fadeTo('slow', 1, function(){}); }); });
	// Attribute selection
	$('#group_'+id_color_default+' option[value='+id_attribute+']').attr('selected', 'selected');
	$('#group_'+id_color_default+' option[value!='+id_attribute+']').removeAttr('selected');
	findCombination();
}

//update display of the availability of the product AND the prices of the product
function updateDisplay()
{
    
    if (quantityAvailable > 0)
    {
        $('#dispo_value').text(dispo_en_stock);
    }
    else
    {
        $('#dispo_value').text(dispo_hors_stock);
    }
	
	//update display of the the prices in relation to tax, discount, ecotax, and currency criteria
	if (!selectedCombination['unavailable'])
	{
		var attribut_price_tmp = selectedCombination['price'];

		var tax = (taxRate / 100) + 1;

		if (noTaxForThisProduct)
			attribut_price_tmp /= tax;

		var productPriceWithoutReduction2 = (attribut_price_tmp + productPriceWithoutReduction) * currencyRate;
		var priceReduct = productPriceWithoutReduction2 / 100 * parseInt(reduction_percent) + reduction_price;
		var priceProduct = productPriceWithoutReduction2 - priceReduct;
		var productPricePretaxed = (productPriceWithoutReduction2 - priceReduct) / tax;
		$('#our_price_display').text(formatCurrency(priceProduct, currencyFormat, currencySign));
		$('#pretaxe_price_display').text(formatCurrency(productPricePretaxed, currencyFormat, currencySign));
		$('#old_price_display').text(formatCurrency(productPriceWithoutReduction2, currencyFormat, currencySign));
		$('#ecotax_price_display').text(formatCurrency(selectedCombination['ecotax'], currencyFormat, currencySign));
	}
}

//update display of the large image
function displayImage(domAAroundImgThumb)
{
	if (!domAAroundImgThumb.hasClass('shown'))
	{
		var newSrc = domAAroundImgThumb.attr('href').replace('.jpg', '-large.jpg');
		var jqSrc = domAAroundImgThumb.attr('href').replace('.jpg', '-thickbox.jpg');
		var tbSrc = domAAroundImgThumb.attr('href');
		
		$('#bigpic').fadeOut('fast', function(){
			$(this).attr('src', newSrc);
			$(this).fadeIn('fast');
			
             setTimeout(function () { changeJQZOOM(jqSrc); }, 300)
		});
		$('#views_block li a').removeClass('shown');
		$(domAAroundImgThumb).addClass('shown');
	}
}

function changeJQZOOM(jqSrc) {
	$('.myclass').attr('href', jqSrc);
	$('.myclass').attr('title', ' ');
	var options = {
		zoomWidth: 200,
		zoomHeight: 200,
		xOffset: 30,
		title: false,
		showPreload: false
	};
	$('.myclass').jqzoom(options);
}

//To do after loading HTML
$(document).ready(function(){
	
	//init the serialScroll for thumbs
	$('#thumbs_list').serialScroll({
		items:'li',
		prev:'a#view_scroll_left',
		next:'a#view_scroll_right',
		axis:'x',
		offset:0,
		start:0,
		stop:true,
		duration:700,
		step: 2,
		lock: false,
		force:false,
		cycle:false
	});

	//hover 'other views' images management
	$('#views_block li a').hover(
		function(){displayImage($(this));},
		function(){}
	);

	//add a link on the span 'view full size' and on the big image

	//catch the click on the "more infos" button at the top of the page
	$('div#short_description_block p a.button').click(function(){
		$('#more_info_tab_more_info').click();
		$.scrollTo( '#more_info_tabs', 1200 );
	});

	//init the price in relation of the selected attributes
	if (typeof productHasAttributes != 'undefined' && productHasAttributes)
		findCombination();
});