<?php

declare(strict_types=1);

namespace KupShop\GraphQLBundle\ApiShared\Util;

use KupShop\GraphQLBundle\Exception\GraphQLNotFoundException;
use Query\Operator;

/**
 * Shared validations for API.
 */
class ApiValidator
{
    public function productExists(int $productId, ?int $variationId = null, ?string $sourceFieldName = null): void
    {
        $equals = ['id' => $variationId ?: $productId];
        if ($variationId) {
            $equals['id_product'] = $productId;
        }

        $id = sqlQueryBuilder()
            ->select('id')
            ->from($variationId ? 'products_variations' : 'products')
            ->where(Operator::equals($equals))
            ->execute()->fetchOne();

        if (!$id) {
            $message = sprintf('Product with ID "%s" was not found!', $productId);
            if ($variationId) {
                $message = sprintf('Variation with ID "%s" and Product ID "%s" was not found!', $variationId, $productId);
            }

            throw new GraphQLNotFoundException($message, extensions: ['field' => $sourceFieldName]);
        }
    }
}