jQuery(function ($) {
  function toggleQty($box) {
    const checked = $box.find('.awfg-enable').is(':checked');
    $box.find('.awfg-qty').prop('disabled', !checked);
    if (!checked) $box.find('.awfg-qty').val(1);
  }

  $(document).on('change', '.awfg-product-box .awfg-enable', function () {
    toggleQty($(this).closest('.awfg-product-box'));
  });

  $('.awfg-product-box').each(function () {
    toggleQty($(this));
  });
});