var basket = null;

$(document).ready(function(){
    basket = new Basket();
    basket.init();
});

function Basket(){
    var self = this;
    
    Basket.prototype.init = function(){
        
        $('.buybutton').click(function(){
            self.addToBasket();
        });
        
        $('.basketDelete').click(function(){
            if(confirm("Вы уверены, что хотите удалить данный товар из корзины?")){
                var id = $(this).attr('rel');
                self.deleteFromBasket(id);
            }
        });
        
        $('.countBasket').change(function(){
            var id = $(this).attr('rel');
            self.refreshItemPrice(id);
            self.recalculateBasket();
        });
        
    };
    
    Basket.prototype.getItemCount = function(){
        var itemCount = 0;
        $('.countBasket').each(function(){
            var count = $(this).val();
            itemCount += Number(Number(count) > 0 ? count : 0);
        });
        return itemCount;
    };
    
    Basket.prototype.refreshItemPrice = function(id){
        var count = $('.countBasket[rel=' + id + ']').val();
        var price = $('.countBasket[rel=' + id + ']').attr('price');
        
        var summ = (count * price);
        
        $.post('/basket/', {
            id: id,
            count: count
        }, function(){
            $('#goods').html(self.getItemCount());
        });
        
        $('.itemPrice[rel=' + id + ']').html( Number(summ) > 0 ? self.numberFormat(summ, 2, '.', '') : "Уточняется" );
    };
    
    Basket.prototype.recalculateBasket = function(){
        var wholeCount = 0;
        $('.itemPrice').each(function(){
            var price = $(this).html();
            wholeCount += Number(Number(price) > 0 ? price : 0);
        });
        $('#overallPrice').html(wholeCount > 0 ? self.numberFormat(wholeCount, 2, '.', '') : "Уточняется");
    };
    
    Basket.prototype.addToBasket = function(){
        $('#addBasket').submit();
    };
    
    Basket.prototype.deleteFromBasket = function(id){
        $.post('/basket/', {
            id: id
        }, function(){
            window.location.reload();
        });
    };
    
    Basket.prototype.numberFormat = function (number, decimals, dec_point, thousands_sep) {
        number = (number + '').replace(/[^0-9+\-Ee.]/g, '');
        var n = !isFinite(+number) ? 0 : +number,
        prec = !isFinite(+decimals) ? 0 : Math.abs(decimals),        sep = (typeof thousands_sep === 'undefined') ? ',' : thousands_sep,
        dec = (typeof dec_point === 'undefined') ? '.' : dec_point,
        s = '',
        toFixedFix = function (n, prec) {
            var k = Math.pow(10, prec);
            return '' + Math.round(n * k) / k;
        };
        // Fix for IE parseFloat(0.55).toFixed(0) = 0;
        s = (prec ? toFixedFix(n, prec) : '' + Math.round(n)).split('.');
        if (s[0].length > 3) {
            s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep);
        }
        if ((s[1] || '').length < prec) {
            s[1] = s[1] || '';
            s[1] += new Array(prec - s[1].length + 1).join('0');
        }
        return s.join(dec);
    }
}