MagentoFrameworkRegistry $registry,
    MagentoConfigurableProductModelResourceModelProductTypeConfigurable $configurableProductType,
    MagentoCatalogModelResourceModelProductAction $action
){

    $this->registry = $registry;
    $this->configurableProductType = $configurableProductType;
    $this->action=$action;
}

$_product= $this->registry->registry('current_product');
    $productIds = $_product->getId();
$result = $closure($productIds, $attrData, $storeId);
$objectManager = MagentoFrameworkAppObjectManager::getInstance();

$attributeCode = 'choix_prix_product';

$attribute = $objectManager->create('MagentoEavModelConfig')
    ->getAttribute('catalog_product', $attributeCode);

$options = $attribute->getSource()->getAllOptions();


foreach ($options as $option) {
    $products = $objectManager->create('MagentoCatalogModelProduct')
        ->getCollection()
        ->addAttributeToFilter($attributeCode, $option['value']);

    $productIds = [];
    foreach ($products as $prod) {
        $productIds[] = $prod->getId();
    }


}
$duplicateOptions = [];
foreach ($options as $option) {
    // because the first option can be blank
    if (!empty(trim($option['label']))) {
        $products = $objectManager->create('MagentoCatalogModelProduct')
            ->getCollection()
            ->addAttributeToFilter($attributeCode, $option['value']);

        if ($products->count()) {
            $productsCount = $products->count();
        } else {
            $productsCount = 0;
        }

        $duplicateOptions[$option['label']][$option['value']] = $productsCount;
    }
}


foreach ($duplicateOptions as $key => $value) {
    if (count($value) > 1) {
        foreach ($value as $k => $v) {
            if ($v == 0) {
                $duplicateOptions[$key]['delete'][] = $k;
            }
        }

        if (isset($duplicateOptions[$key]['delete'])) {
            /**
             * if multiple options are in delete array,
             * i.e. multiple option ids have zero product count
             */
            if (count($duplicateOptions[$key]['delete']) > 1) {
                sort($duplicateOptions[$key]['delete']); // sort the array
                array_shift($duplicateOptions[$key]['delete']); // remove the first item of the array

                /**
                 * if you assume that the older option id is the duplicate one
                 * then, you keep the older option id in the delete list
                 * and remove the latest/newly-added attribute option from the delete list
                 */
                // rsort($duplicateOptions[$key]['delete']); // reverse sort the array
                // array_shift($duplicateOptions[$key]['delete']); // remove the first item of the array

                // DELETE DUPLICATE ATTRIBUTE OPTIONS
                foreach ($duplicateOptions[$key]['delete'] as $optionId) {
                    $optionModel = $objectManager->create('MagentoEavModelEntityAttributeOption')->load($optionId);
                    try {
                        $optionModel->delete();
                        echo '<font color="green">"' . $key . ' (' . $optionId . ')" Option Deleted!</font><br />';
                    } catch (Exception $e) {
                        echo '<font color="red">' . $e->getMessage() . '</font><br />';
                    }
                }
            }
        }
    }
}
$_name = $_product->getName();
$_sku = $_product->getSku();
$_id = $_product->getId();

$config = $this->configurableProductType->getParentIdsByChild($_id);// to know if a product is a variant of a configurable product

if ($config) {


    $optionId = $_product->getData('choix_prix_product');

    $isAttributeExist = $_product->getResource()->getAttribute('choix_prix_product');
    if ($isAttributeExist && $isAttributeExist->usesSource()) {
        $optionText = $isAttributeExist->getSource()->getOptionText($optionId);
    }


    $choixAtt = explode("-", $optionText);
    $var7 = $choixAtt[0];
    $var8=substr($var7,6);



    $choixvalue = substr($var7, 6);

    //add code choice in the sku of article and add the desgnation to the name of the child
    $this->action->updateAttributes([$_id], ['name' => $_name . " " . $var7], $storeId);
    var_dump( $this->action->updateAttributes([$_id], ['name' => $_name . " " . $var7], $storeId));
    die('here');

    //$_product->setName($_name . " " . $var7);

    $newsku= explode("-",$_sku);

    $objectManager = MagentoFrameworkAppObjectManager::getInstance();
    $resource = $objectManager->get('MagentoFrameworkAppResourceConnection');
    $connection = $resource->getConnection();
    $tableName = $resource->getTableName('table_choix');


    $fields = array('code_choix');


    $sql = $connection->select()
        ->from($tableName, $fields)
        ->where('designation_choix' . '=?', $var8);



    $result = $connection->fetchAll($sql);
    $var9 = $result[0]['code_choix'];
    $sku=$newsku.$var9;


     $_product->setSku($sku);
    $this->action->updateAttributes([$_id], ['sku' => $sku], $storeId);

}




    return $result;
}