<!-- Redirect to the Upsell Page after clicking on the Add To Cart button -->
<!-- Author: Dmitry Kiselyov @_dmitrykiselyov -->
<script>
function redirectToUpsellPageHandler(wrapper) {
  var upsellPageUrl = '/one-time-offer-for-ten-years';
  var addToCartButton = wrapper.querySelector('.sqs-add-to-cart-button');
  var productVariants = wrapper.querySelector('.product-variants');

  if (addToCartButton) {
    addToCartButton.addEventListener('click', onClick);
  }

  function isVariantInStock() {
    return productVariants.getAttribute('data-variant-in-stock');
  }

  function onClick() {
    if (productVariants && isVariantInStock() || !productVariants) {
      setTimeout(function() {
        document.location.href = upsellPageUrl;
      }, 1000);
    }
  }
}

function redirectToUpsellPage() {
  // Product Page
  var productPage = document.querySelector('.collection-type-products.view-item');
  if (productPage) {
    redirectToUpsellPageHandler(productPage);
  }

  // Product Blocks
  var productBlocks = [].slice.call(document.querySelectorAll('.sqs-block-product'));
  productBlocks.forEach(redirectToUpsellPageHandler);
}

document.addEventListener('DOMContentLoaded', redirectToUpsellPage);
window.addEventListener('mercury:load', redirectToUpsellPage);
</script>