<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
declare(strict_types=1);

namespace Magento\InventorySourceDeductionApi\Model;

use Magento\Framework\Api\SearchCriteriaBuilder;
use Magento\InventoryApi\Api\Data\SourceItemInterface;
use Magento\InventoryApi\Api\SourceItemRepositoryInterface;
use Magento\Framework\Exception\NoSuchEntityException;

/**
 * Retrieve source item from specific source by given SKU.
 */
class GetSourceItemBySourceCodeAndSku
{
    /**
     * @var SourceItemRepositoryInterface
     */
    private $sourceItemRepository;

    /**
     * @var SearchCriteriaBuilder
     */
    private $searchCriteriaBuilder;

    /**
     * @param SourceItemRepositoryInterface $sourceItemRepository
     * @param SearchCriteriaBuilder $searchCriteriaBuilder
     */
    public function __construct(
        SourceItemRepositoryInterface $sourceItemRepository,
        SearchCriteriaBuilder $searchCriteriaBuilder
    ) {
        $this->sourceItemRepository = $sourceItemRepository;
        $this->searchCriteriaBuilder = $searchCriteriaBuilder;
    }

    /**
     * Returns source item from specific source by given SKU. Return null if source item is not found
     *
     * @param string $sourceCode
     * @param string $sku
     * @return SourceItemInterface
     * @throws NoSuchEntityException
     */
    public function execute(string $sourceCode, string $sku): SourceItemInterface
    {
        $searchCriteria = $this->searchCriteriaBuilder
            ->addFilter(SourceItemInterface::SOURCE_CODE, $sourceCode)
            ->addFilter(SourceItemInterface::SKU, $sku)
            ->create();
        $sourceItemsResult = $this->sourceItemRepository->getList($searchCriteria);

        if ($sourceItemsResult->getTotalCount() === 0) {
            throw new NoSuchEntityException(
                __('Source item not found by source code: %1 and sku: %2.', $sourceCode, $sku)
            );
        }

        return current($sourceItemsResult->getItems());
    }
}