function cart_answer(a) {
  if (document.documentElement.lang == 'it') {
    return a == 1 ? 'ora ce ne è ' + a + ' nel carrello<br /><a href="/carrello/">concludi la spesa?</a>': 'ora ce ne sono ' + a + ' nel carrello<br /><a href="/carrello/">concludi la spesa?</a>';
  } else {
    return a + ' in your cart<br /><a href="/carrello/">checkout now?</a>';
  }
}

$(document).ready(function() {
  $("#insert-in-cart").click(function() {
    $("body").addClass('loader');
    var id = $(this).attr("name").replace('add-', '');
    var amount = $('#amount-input').val();
    if (!amount) amount = 0;

    $.get('/carrello/aggiorna/' + id + '/' + amount + '/', function(data) { amount = data; });

    amount = parseInt(amount);
    $('#amount-input').val(amount);
    $("#total").html(cart_answer(amount));
    $('#minicart').load('/carrello/mini/');
    $("body").removeClass('loader');
    $("#update-cart-button").hide('fast');
  });

  $("#insert-1-in-cart").live('click', function() {
    $("body").addClass('loader');
    var id = $(this).attr("name").replace('add-1-', '');
    var amount;

    $.ajax({
      url: '/carrello/aggiungi/' + id + '/1/',
	     success: function(data) { amount = data;},
             async: false,
             cache: false,
             timeout: 30000
    });

    $('#amount-input').val(amount);
    $("#total").html(cart_answer(amount));
    $('#minicart').load('/carrello/mini/');
    $("body").removeClass('loader');
    $("#update-cart-button").hide('fast');
  });

  $("#cancel-update-cart").live('click', function() {
    $("body").addClass('loader');
    var id = $(this).attr("name").replace('reset-', '');
    var amount;

    $.ajax({
      url: '/carrello/aggiungi/' + id + '/0/',
	     success: function(data) { amount = data;},
             async: false,
             cache: false,
             timeout: 30000
    });

    $('#amount-input').val(amount);
    $("#total").html(cart_answer(amount));
    $('#minicart').load('/carrello/mini/');
    $("body").removeClass('loader');
    $("#update-cart-button").hide('fast');
  });

  $("#amount-input").live('keydown', function(e) {
    if (("0123456789").indexOf(String.fromCharCode(e.which)) > -1 ||
	e.keyCode == 8 || e.keyCode == 9 ||
	(e.keyCode >= 33 && e.keyCode <= 40) ||
	e.keyCode == 45 || e.keyCode == 46 ||
	(e.keyCode >= 96 && e.keyCode <= 105)) {
      $("#update-cart-button").show('fast');
    } else {
      e.preventDefault();
    }
  });

});