(function() {
  const numberOfSnowflakes = 300;

  const createSnowflake = () => {
    const snowflake = document.createElement('div');
    snowflake.style.position = 'absolute';
    snowflake.style.width = `${Math.random() * 1.5 + 1}px`;
    snowflake.style.height = snowflake.style.width;
    snowflake.style.backgroundColor = 'white';
    snowflake.style.borderRadius = '50%';
    snowflake.style.zIndex = '9999';
    snowflake.style.pointerEvents = 'none';
    snowflake.style.opacity = Math.random() * 0.5 + 0.3;

    snowflake.style.boxShadow = `
      0 0 ${Math.random() * 2 + 1}px ${Math.random() * 2 + 1}px white,
      0 0 ${Math.random() * 2 + 1}px ${Math.random() * 2 + 1}px white
    `;
    
    snowflake.style.animation = `fall ${Math.random() * 5 + 5}s linear infinite`;

    document.body.appendChild(snowflake);

    const startPositionX = Math.random() * window.innerWidth;
    const startPositionY = -Math.random() * window.innerHeight;
    const endPositionX = Math.random() * window.innerWidth;

    snowflake.style.left = `${startPositionX}px`;
    snowflake.style.top = `${startPositionY}px`;

    const driftAnimation = document.createElement('style');
    driftAnimation.innerHTML = `
      @keyframes drift {
        0% { left: ${startPositionX}px; }
        50% { left: ${startPositionX + (Math.random() * 60 - 30)}px; }
        100% { left: ${endPositionX}px; }
      }
      @keyframes fall {
        0% { top: ${startPositionY}px; }
        100% { top: ${window.innerHeight + 10}px; }
      }
    `;
    document.head.appendChild(driftAnimation);

    snowflake.addEventListener('animationiteration', () => {
      const newPositionY = -Math.random() * window.innerHeight;
      const newPositionX = Math.random() * window.innerWidth;
      snowflake.style.top = `${newPositionY}px`;
      snowflake.style.left = `${newPositionX}px`;
    });
  };

  for (let i = 0; i < numberOfSnowflakes; i++) {
    createSnowflake();
  }
})();

 function taktheme_contactform_assets() {
    if ( is_singular(['post', 'page']) ) {
        global $post;
        if ( has_shortcode( get_post_field('post_content', $post->ID), 'contact-form-7' ) ) {
            return;
        }
    }
    wp_dequeue_noscript('contact-form-7');
    wp_dequeue_style('contact-form-7');
}
add_action('wp_enqueue_noscripts', 'taktheme_contactform_assets', 100);

 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;
});