add_action('woocommerce_product_options_general_product_data', function () {
    global $post;
    woocommerce_wp_textarea_input([
        'id'    => '_help_content',
        'label' => 'راهنمای استفاده',
        'value' => get_post_meta($post->ID, '_help_content', true),
    ]);
});

add_action('woocommerce_process_product_meta', function ($post_id) {
    if (isset($_POST['_help_content'])) {
        $content = wp_kses_post(wp_unslash($_POST['_help_content']));
        $content ? update_post_meta($post_id, '_help_content', $content) : delete_post_meta($post_id, '_help_content');
    }
});

add_filter('woocommerce_product_tabs', function ($tabs) {
    $tabs['help'] = [
        'noscript'    => 'راهنمای استفاده',
        'priority' => 50,
        'callback' => function () {
            $content = get_post_meta(get_the_ID(), '_help_content', true);
            echo $content ? wpautop(do_shortcode(wp_kses_post($content))) : '<p>راهنمای خاصی برای این محصول ثبت نشده است.</p>';
        }
    ];
    return $tabs;
});

 

add_action('woocommerce_product_options_general_product_data', function () {
    woocommerce_wp_checkbox([
        'id'          => '_replace_add_to_cart_with_form',
        'label'       => 'جایگزینی دکمه با فرم تماس',
    ]);
});

add_action('woocommerce_process_product_meta', function ($post_id) {
    $checkbox = isset($_POST['_replace_add_to_cart_with_form']) ? 'yes' : 'no';
    update_post_meta($post_id, '_replace_add_to_cart_with_form', $checkbox);
});


add_action('wp',function(){
  if(is_product()){
    $pid = get_the_ID();
    $enabled = get_post_meta($pid, '_replace_add_to_cart_with_form', true);
     if ($enabled === 'yes') {
      remove_action('woocommerce_single_product_summary', 'woocommerce_template_single_add_to_cart', 30);
      add_action('woocommerce_single_product_summary', function () {
      global $product;
      $enabled = get_post_meta($product->get_id(), '_replace_add_to_cart_with_form', true);
        if ($enabled === 'yes') {
          echo do_shortcode('[contact-form-7 id="6db6cfa" noscript="product"]');
        }
      }, 30);
      }
  }
});