static public function apilo_product_search()
  {
    global $mdb, $settings, $config;

    $sku = $mdb -> get( 'pp_shop_products', 'sku', [ 'id' => \S::get( 'product_id' ) ] );
    $ean = $mdb -> get( 'pp_shop_products', 'ean', [ 'id' => \S::get( 'product_id' ) ] );

    if ( !$sku and !$ean )
    {
      echo json_encode( [ 'status' => 'error', 'msg' => 'Podany produkt nie posiada kodu SKU ani EAN.' ] );
      exit;
    }

    $url = "https://projectpro.apilo.com/rest/api/warehouse/product/";

$params = [];
if ($sku) {
    $params['sku'] = $sku;
}
// if ($ean) {
//     $params['ean'] = $ean;
// }

$url .= '?' . http_build_query($params);

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    "Authorization: Bearer " . $config['apilo']['access-token'],
    "Accept: application/json"
]);

$response = curl_exec($ch);
$responseData = json_decode($response, true);

if (curl_errno($ch)) {
    echo 'Błąd cURL: ' . curl_error($ch);
} else {
    if ($responseData && isset($responseData['products'])) {
        foreach ($responseData['products'] as $product) {
            echo "Nazwa produktu: " . $product['name'] . "<br>";
            echo "SKU: " . $product['sku'] . "<br>";
            echo "EAN: " . $product['ean'] . "<br><hr>";
        }
    } else {
        echo "Brak wyników dla podanego SKU lub EAN.";
    }
}

curl_close($ch);
exit;

    // $refreshUrl = "https://projectpro.apilo.com/rest/auth/token/?grant_type=refresh_token&refresh_token=eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJwcm9qZWN0cHJvLmFwaWxvLmNvbSIsImV4cCI6MTcwNDA2NDE3MywianRpIjoiZTJjZDI4MWItZmU3NS01YTIyLWI4MGYtM2MyNTI3MmViZjVjIiwidHlwZSI6InJlZnJlc2hfdG9rZW4iLCJjbGllbnRfaWQiOjIsInBsYXRmb3JtX2lkIjoyLCJpYXQiOjE2OTg3OTM3NzN9.QUXHq9_9ERSrTqtbx50ZE_h_uN32ai112k-JqmSD9TZg4RsJxyzA13PeIulAWVa2ZeEJolvB-X2XyU7Ok__dhRYtNEUs-2HQgoa9sX1LAUlnUyABkY5hXOMpRNztrZ_BJMl_Ttj4GkwEOGlP8Ze0JNXaqmio0d1Bbbc6DtYfzHtkqgzl_mImIBtIXmBpypP3nVgz9GtKq9eOxfczQsWsUv5OBmCBDSF3O6yJA9r7jLOgSo1_MOH1MYai6xd_23FFlTcOvQUUwmnI6EMe3ytIpfuegEPuhXMPY8FCa0tWGhuBx2jtPBzQRQdJW7dzk3rEQX495lhE3cwK_T0PPjDBJ6HaYUoA5sTiF-9S1JfysS5D-Jd7z-m2KNVW8FPz1Zz200U2k2wfAs64NT9NeDPVkEcBJ5GFmOFvCGw4ywosWuQVQx0YxfzF65becLKxddPRS1MC9_-NxxL4ergClbPA2_e2Qwkg2EXWhil6cAwGy2G7C80t2NGN5aP1UL_uH2FQZ8VBdW_R5KvAXZDJsWSJqvn7pinLqTollMoMipbyQA02jaUvIk7senIF-h3f4DHbj90I97dekyzUUcbppKVhBfF6ZsfeFUojbT-GUapjakOwz3uL2dNEXOENUQMn3bsnQmkQABsGQrhQZjnPc-mdEm0PJJz0rK8QdZ2cQHYgo4g";

    // $ch = curl_init($refreshUrl);
    // curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    // curl_setopt($ch, CURLOPT_HTTPHEADER, [
    //     "Authorization: Basic " . base64_encode($config['apilo']['client-id'] . ":" . $config['apilo']['client-secret']),
    //     "Accept: application/json"
    // ]);

    // $refreshResponse = curl_exec($ch);

    // if (curl_errno($ch)) {
    //     echo 'Błąd cURL: ' . curl_error($ch);
    // } else {
    //     $newTokens = json_decode($refreshResponse, true);
    //     echo "Nowy access token: " . $newTokens['accessToken'];

    //     // Zapisz nowy access token i refresh token w sesji lub bazie danych
    //     // $_SESSION['accessToken'] = $newTokens['accessToken'];
    //     // $_SESSION['refreshToken'] = $newTokens['refreshToken'];
    // }

    // curl_close($ch);
    // exit;

    // $url = "https://projectpro.apilo.com/rest/auth/token/?grant_type=authorization_code&code=" . $config['apilo']['authorization-code'];

    // $ch = curl_init( $url );
    // curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true );
    // curl_setopt( $ch, CURLOPT_HTTPHEADER, [
    //   "Authorization: Basic " . base64_encode( $config['apilo']['client-id'] . ":" . $config['apilo']['client-secret'] ),
    //   "Accept: application/json"
    // ] );

    // $response = curl_exec($ch);

    // if( curl_errno( $ch ) ) {
    //   echo 'Błąd cURL: ' . curl_error( $ch );
    // } else {
    //   echo $response;
    // }

    // curl_close( $ch );

    // $data = json_decode($response, true);

    // $currentDateTime = new DateTime();
    // $tokenExpiryDateTime = DateTime::createFromFormat( DateTime::ATOM, $data['accessTokenExpireAt']);

    // // Sprawdzamy czy accessToken wygasł
    // if ( $tokenExpiryDateTime <= $currentDateTime) {
    //   // Token wygasł, odświeżamy go używając refreshToken
    //   // $refreshUrl = "https://projectpro.apilo.com/rest/auth/token/?grant_type=refresh_token&refresh_token=" . $data['refreshToken'];

    //   // curl_setopt( $ch, CURLOPT_URL, $refreshUrl );
    //   // curl_setopt( $ch, CURLOPT_HTTPHEADER, [
    //   //   "Authorization: Basic " . base64_encode( $config['apilo']['client-id'] . ":" . $config['apilo']['client-secret'] ),
    //   //   "Accept: application/json"
    //   // ] );

    //   // $refreshResponse = curl_exec($ch);

    //   // if (curl_errno($ch)) {
    //   //     echo 'Błąd cURL podczas odświeżania: ' . curl_error($ch);
    //   //     exit;
    //   // }

    //   // $refreshedData = json_decode($refreshResponse, true);
    //   echo "Odświeżony token: " . $refreshedData['accessToken'];
    // } else {
    //   echo "Token jest ważny.";
    // }

    // curl_close($ch);
exit;
  }