function initAddToCart() {

        function addToCart() {
            console.log('adding to cart...');
            window.wct.pageLoader.show();

            var imagesArray = window.wct.state.images;
            var quantity = window.wct.state.quantity;

            // quantity = 1;
            // imagesArray = [
            //     'http://woodcaketoys.greeto/wp-content/uploads/wctuploads/default-crop-f728ab1c6303ddd21cba1a5b14b05683_wct-grid-image.jpeg',
            //     'http://woodcaketoys.greeto/wp-content/uploads/wctuploads/default-crop-f728ab1c6303ddd21cba1a5b14b05683_wct-grid-image.jpeg',
            //     'http://woodcaketoys.greeto/wp-content/uploads/wctuploads/default-crop-f728ab1c6303ddd21cba1a5b14b05683_wct-grid-image.jpeg',
            //     'http://woodcaketoys.greeto/wp-content/uploads/wctuploads/default-crop-f728ab1c6303ddd21cba1a5b14b05683_wct-grid-image.jpeg',
            //     'http://woodcaketoys.greeto/wp-content/uploads/wctuploads/default-crop-f728ab1c6303ddd21cba1a5b14b05683_wct-grid-image.jpeg',
            //     'http://woodcaketoys.greeto/wp-content/uploads/wctuploads/default-crop-f728ab1c6303ddd21cba1a5b14b05683_wct-grid-image.jpeg',
            //     'http://woodcaketoys.greeto/wp-content/uploads/wctuploads/default-crop-f728ab1c6303ddd21cba1a5b14b05683_wct-grid-image.jpeg',
            //     'http://woodcaketoys.greeto/wp-content/uploads/wctuploads/default-crop-f728ab1c6303ddd21cba1a5b14b05683_wct-grid-image.jpeg',
            //     'http://woodcaketoys.greeto/wp-content/uploads/wctuploads/default-crop-f728ab1c6303ddd21cba1a5b14b05683_wct-grid-image.jpeg',
            // ];

            return $.ajax({
                type: 'post',
                url: ajaxurl,
                dataType: 'json',
                data: { action: 'wct_add_product_to_cart', images: imagesArray, quantity: quantity },
                success: function (data) {
                    // console.log(data);
                    window.wct.pageLoader.hide();
                },
                error: function (data) {
                    console.error(data);
                },
            });

        }

        window.wct.addToCart = addToCart;

    }







add_action( 'wp_head', 'add_ajax_library' );
function add_ajax_library() {
    $html = '<script type="text/javascript">';
    $html .= 'var ajaxurl = "'.admin_url('admin-ajax.php').'"';
    $html .= '</script>';
    echo $html;
}




add_action( 'wp_ajax_nopriv_wct_add_product_to_cart', 'wct_add_product_to_cart' );
add_action( 'wp_ajax_wct_add_product_to_cart', 'wct_add_product_to_cart' );
function wct_add_product_to_cart() {

    $images = $_REQUEST['images'];
    $quantity = $_REQUEST['quantity'];

    // select ID
    $product_id = 14;

    $custom_data = array();
    $custom_data['images'] = json_encode($images);

    // if no products in cart, add it
    WC()->cart->add_to_cart( $product_id, $quantity, 0, array(), $custom_data );

    $result = array(
        'status' => 'ok',
    );

    $result = json_encode($result);
    echo $result;

    exit();
}