/**
 * AJAX : get price, form, price_list and so on...
 * @param	string	code		product code
 * @param	string	description	product description
 * @param	string	type		type of return value
 */
function get_form(code, description, type) {
    var url = 'get_form.php';
	var back_url = encodeURIComponent(location.href);
    $.get(url, {"code":code, "description":description, "type":type, "back_url":back_url},
        function(data){
            $('#span_' + code + '_' + type).html(data);
        }
    );

	if (type == 'price_list') {
		$('#span_' + code + '_price_list').attr('primary_code', code);
	}
}
/**
 * Update price
 * @param	string	code		product code
 * @param	string	type		action type: sub-, add+, and so on...
 */
function update_price(code, type) {
    // format qty number
    var obj_qty_input = $('#qty_' + code);
    var reg = /\d/;
    var qty = obj_qty_input.val();
    for (var i = 0; i < qty.length; i++) {
        if (!reg.test(qty.charAt(i))) {
            qty = qty.substr(0, i);
        }
    }
    
    if (type == 'sub') {
        qty = parseInt(qty) - 1;
    } else if (type == 'add') {
        qty = parseInt(qty) + 1;
    }
    qty = parseInt(qty) >= 1 ? qty : 1;
    obj_qty_input.val(qty);

    // update total price
    var preferential_price = $('#preferential_price_' +  code).val();
    var unit_price = $('#base_price_' + code).val();
    var times = 0;
    if (qty == 1) {
        times = 0;
    } else if (qty >=2 && qty <= 5) {
        times = 1;
    } else if (qty >=6 && qty <= 9) {
        times = 2;
    } else if (qty >=10 && qty < 14) {
        times = 3;
    } else {
        times = 4;
    }
	$('#unit_price_' + code).val(Math.round(parseFloat(unit_price - times * preferential_price) * 100, 2) / 100);
    var total_price = Math.round(parseInt(qty) * (unit_price - times * preferential_price)*100, 2)/100;
    $('#total_price_' + code).html(total_price);
}

function select_currency(currency, code, description, type) {
	var url = 'get_form.php';
	var back_url = encodeURIComponent(location.href);
	var primary_code = $("span[id*='_price_list']").attr('primary_code');
	
	if (type == 'form') {
		$('#span_' + primary_code + '_' + type).html('<table cellspacing="0" cellpadding="0" border="0" style=" width:230px;"><tr><td><img src="img/loading.gif" /></td></tr></table>');
	} else {
		$('#span_' + primary_code + '_' + type).html(' ');
	}
	
    $.get(url, {"code":code, "description":description, "currency":currency, "type":type, "back_url":back_url},
        function(data){
            $('#span_' + primary_code + '_' + type).html(data);
        }
    );
}

function select_color(obj) {
	var des = $('#item_name').attr('des');
	var color = obj.value;
	$('#item_name').val(des + ' - Color: ' + color);
	
	var src = $('.product-left img:first').attr('src');
	var dir = src.substr(0, src.indexOf('/') + 1);
	var temp_src = src.substr(src.indexOf('/') + 1);
	
	var point_pos = temp_src.lastIndexOf('_');
	if (point_pos > -1) {
		var new_src = color + '_' + temp_src.substr(point_pos + 1);
	} else {
		var new_src = color + '_' + temp_src;	
	}
	$('.product-left img:first').attr('src', dir + new_src);
}

$(function(){
	$('#selected_currency').bind('mouseenter', function(){
		$(this).next().slideDown().bind('mouseleave', function(){
			$(this).slideUp();
		}).css({'left':$(this).offset().left, 'top':$(this).offset().top});
	})	   
})

function currency_drop_list() {
	$('#selected_currency').bind('mouseenter', function(){
		$(this).next().slideDown().bind('mouseleave', function(){
			$(this).slideUp();
		}).css({'left':$(this).offset().left, 'top':$(this).offset().top});
	})
}
currency_drop_list();

function select_capacity(obj) {
	var code = obj.value;
	var primary_code = $("span[id*='_price_list']").attr('primary_code');
	var url = $('#this_request_uri').val(); 
	
	var pos_1 = url.indexOf('code=');
	var url_1 = url.substr(0, pos_1 + 5);

	var pos_2 = url.substr(pos_1 + 5).indexOf('&');
	var url_2 = url.substr(pos_1 + 5).substr(pos_2);

	var new_url = url_1 + code + url_2;

	$('#span_' + primary_code + '_form').html('<table cellspacing="0" cellpadding="0" border="0" style=" width:230px;"><tr><td><img src="img/loading.gif" /></td></tr></table>');
	$('#span_' + primary_code + '_price_list').html(' ');
	
    $.get(new_url + '&type=price_list', function(data){
            $('#span_' + primary_code + '_price_list').html(data);
        }
    );

	$.get(new_url + '&type=form', function(data){
            $('#span_' + primary_code + '_form').html(data);
        }
    );
}