<?php
/**
 * @copyright: Copyright © 2020 Firebear Studio. All rights reserved.
 * @author: Firebear Studio <fbeardev@gmail.com>
 */
namespace Firebear\ImportExport\Model\Api\Import;

use Firebear\ImportExport\Api\Import\GetListInterface;
use Firebear\ImportExport\Api\Import\SearchResultsInterface;
use Firebear\ImportExport\Api\Import\SearchResultsInterfaceFactory;
use Firebear\ImportExport\Model\ResourceModel\Job\Collection;
use Firebear\ImportExport\Model\ResourceModel\Job\CollectionFactory;
use Magento\Framework\Api\SearchCriteria\CollectionProcessorInterface;
use Magento\Framework\Api\SearchCriteriaInterface;
use Magento\Framework\Api\SearchCriteriaBuilder;

/**
 * Find jobs by SearchCriteria command (Service Provider Interface - SPI)
 *
 * @api
 */
class GetList implements GetListInterface
{
    /**
     * @var CollectionProcessorInterface
     */
    private $collectionProcessor;

    /**
     * @var CollectionFactory
     */
    private $collectionFactory;

    /**
     * @var SearchResultsInterfaceFactory
     */
    private $searchResultsFactory;

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

    /**
     * Initialize command
     *
     * @param CollectionFactory $collectionFactory
     * @param CollectionProcessorInterface $collectionProcessor
     * @param SearchResultsInterfaceFactory $searchResultsFactory
     * @param SearchCriteriaBuilder $searchCriteriaBuilder
     */
    public function __construct(
        CollectionFactory $collectionFactory,
        CollectionProcessorInterface $collectionProcessor,
        SearchResultsInterfaceFactory $searchResultsFactory,
        SearchCriteriaBuilder $searchCriteriaBuilder
    ) {
        $this->collectionFactory = $collectionFactory;
        $this->collectionProcessor = $collectionProcessor;
        $this->searchResultsFactory = $searchResultsFactory;
        $this->searchCriteriaBuilder = $searchCriteriaBuilder;
    }

    /**
     * Get job list
     *
     * @param SearchCriteriaInterface|null $searchCriteria
     * @return SearchResultsInterface
     */
    public function execute(SearchCriteriaInterface $searchCriteria = null)
    {
        /** @var Collection $collection */
        $collection = $this->collectionFactory->create();

        if (null === $searchCriteria) {
            $searchCriteria = $this->searchCriteriaBuilder->create();
        } else {
            $this->collectionProcessor->process($searchCriteria, $collection);
        }

        /** @var SearchResultsInterface $searchResult */
        $searchResult = $this->searchResultsFactory->create();
        $searchResult->setItems($collection->getItems());
        $searchResult->setTotalCount($collection->getSize());
        $searchResult->setSearchCriteria($searchCriteria);

        return $searchResult;
    }
}