<?php

declare(strict_types=1);

namespace External\ZNZBundle\Query;

use Doctrine\DBAL\Connection;
use External\ZNZBundle\Util\ZNZUtil;
use KupShop\KupShopBundle\Context\LanguageContext;
use KupShop\KupShopBundle\Util\Compat\ServiceContainer;
use KupShop\KupShopBundle\Util\Contexts;

class Product
{
    public const STORES_CACHE_KEY = 'store_StoreIdsZNZ';

    public static function getInStoreField($useVariations = true, $qb = null): string
    {
        $storeIds = static::getStoreIds(
            Contexts::get(LanguageContext::class)->getActiveId()
        );

        if ($qb && !empty($storeIds)) {
            if ($qb->isAliasPresent('pv') || empty($qb->getQueryPart('select'))) {
                $qb->leftJoin('pv', 'stores_items', 'znz_si', 'znz_si.id_product = p.id AND pv.id <=> znz_si.id_variation AND znz_si.id_store IN (:storeIds)')
                    ->setParameter('storeIds', $storeIds, Connection::PARAM_INT_ARRAY);

                return 'COALESCE(znz_si.quantity, 0)';
            }
        }

        return $useVariations ? 'COALESCE(pv.in_store, p.in_store)' : 'p.in_store';
    }

    private static function getStoreIds(string $languageId): array
    {
        static $znzUtil;

        if (!$znzUtil) {
            $znzUtil = ServiceContainer::getService(ZNZUtil::class);
        }

        return $znzUtil->getActiveStoreIds($languageId);
    }
}