// Function to get product ID for quick view
function oxy_call_id_quickview() {
    if (isset($_GET['quickterm']) && !empty($_GET['quickterm'])) {
        return sanitize_text_field($_GET['quickterm']);
    } else {
        $args = array(
            'post_type'      => 'product',
            'posts_per_page' => 1,
            'orderby'        => 'date',
            'order'          => 'ASC'
        );
        $products = get_posts($args);
        if (!empty($products)) {
            $first_product = $products[0];
            return $first_product->ID;
        }
    }
    return false;
}

// Function to initialize WooCommerce Quickview
function oxy_quickview_init() {
    if (class_exists('WooCommerce')) {
        global $product;
        wp_enqueue_script('wc-add-to-cart-variation');
    }
}

// Function to add fragments for WooCommerce notices
function ace_ajax_add_to_cart_add_fragments($fragments) {
    $all_notices  = WC()->session->get('wc_notices', array());
    $notice_types = apply_filters('woocommerce_notice_types', array('error', 'success', 'notice'));

    ob_start();
    foreach ($notice_types as $notice_type) {
        if (wc_notice_count($notice_type) > 0) {
            wc_get_template("notices/{$notice_type}.php", array(
                'notices' => array_filter($all_notices[$notice_type]),
            ));
        }
    }
    $fragments['notices_html'] = ob_get_clean();

    wc_clear_notices();

    return $fragments;
}
add_filter('woocommerce_add_to_cart_fragments', 'ace_ajax_add_to_cart_add_fragments');

// Function to handle AJAX Add to Cart requests
if ('yes' === get_option('woocommerce_enable_ajax_add_to_cart') && 'yes' !== get_option('woocommerce_cart_redirect_after_add')) {
    function ace_ajax_add_to_cart_handler() {
        WC_Form_Handler::add_to_cart_action();
        WC_AJAX::get_refreshed_fragments();
    }

    add_action('wc_ajax_ace_add_to_cart', 'ace_ajax_add_to_cart_handler');
    add_action('wc_ajax_nopriv_ace_add_to_cart', 'ace_ajax_add_to_cart_handler');

    remove_action('wp_loaded', array('WC_Form_Handler', 'add_to_cart_action'), 20);
}

// Function to inject JavaScript for AJAX Add to Cart handling
function ace_product_page_ajax_add_to_cart_js() {
    if ('yes' === get_option('woocommerce_enable_ajax_add_to_cart') && 'yes' !== get_option('woocommerce_cart_redirect_after_add')) {
        ?>
        <script type="text/javascript" charset="UTF-8">
        document.addEventListener('DOMContentLoaded', function () {
            document.body.addEventListener('submit', function (e) {
                if (e.target.matches('form.cart')) {
                    e.preventDefault();

                    const form = e.target;
                    const button = form.querySelector('.single_add_to_cart_button');

                    button.classList.remove('added');
                    button.classList.add('loading');

                    const formData = new FormData(form);
                    formData.append('add-to-cart', form.querySelector('[name=add-to-cart]').value);

                    fetch(wc_add_to_cart_params.wc_ajax_url.replace('%%endpoint%%', 'ace_add_to_cart'), {
                        method: 'POST',
                        body: formData,
                    })
                        .then(response => response.json())
                        .then(data => {
                            if (!data) return;

                            if (data.error && data.product_url) {
                                window.location = data.product_url;
                                return;
                            }

                            if (wc_add_to_cart_params.cart_redirect_after_add === 'yes') {
                                window.location = wc_add_to_cart_params.cart_url;
                                return;
                            }

                            const button = form.querySelector('.single_add_to_cart_button');
                            form.querySelector('input[name="quantity"]').value = 1;

                            document.dispatchEvent(new CustomEvent('added_to_cart', {
                                detail: {
                                    fragments: data.fragments,
                                    cart_hash: data.cart_hash,
                                    button: button
                                }
                            }));

                            document.querySelectorAll('.woocommerce-error, .woocommerce-message, .woocommerce-info').forEach(el => el.remove());

                            const noticesHtml = data.fragments.notices_html;
                            if (noticesHtml) {
                                const modalNotice = document.querySelector('.x-qv-modal__notice');
                                if (modalNotice) {
                                    modalNotice.innerHTML = noticesHtml;
                                } else {
                                    const productElement = form.closest('.product');
                                    if (productElement) {
                                        productElement.insertAdjacentHTML('beforebegin', noticesHtml);
                                    }
                                }
                            }

                            button.classList.remove('loading');
                            button.classList.add('added');
                        })
                        .catch(error => console.error('Error:', error));
                }
            });
        });
        </script>
        <?php
    }
}
add_action('wp_footer', 'ace_product_page_ajax_add_to_cart_js');