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

namespace Magento\InventorySales\Test\Integration\IsProductSalable;

use Magento\Catalog\Api\ProductRepositoryInterface;
use Magento\CatalogInventory\Api\Data\StockItemInterface;
use Magento\CatalogInventory\Api\StockItemCriteriaInterfaceFactory;
use Magento\CatalogInventory\Api\StockItemRepositoryInterface;
use Magento\Framework\Api\SearchCriteriaBuilder;
use Magento\InventoryApi\Api\Data\SourceItemInterface;
use Magento\InventoryApi\Api\SourceItemRepositoryInterface;
use Magento\InventoryApi\Api\SourceItemsSaveInterface;
use Magento\InventorySalesApi\Api\AreProductsSalableInterface;
use Magento\TestFramework\Helper\Bootstrap;
use PHPUnit\Framework\TestCase;

class BackorderConditionTest extends TestCase
{
    /**
     * @var SourceItemRepositoryInterface
     */
    private $sourceItemRepository;

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

    /**
     * @var SourceItemsSaveInterface
     */
    private $sourceItemsSave;

    /**
     * @var ProductRepositoryInterface
     */
    private $productRepository;

    /**
     * @var AreProductsSalableInterface
     */
    private $areProductsSalable;

    /**
     * @var StockItemRepositoryInterface
     */
    private $stockItemRepository;

    /**
     * @var StockItemCriteriaInterfaceFactory
     */
    private $stockItemCriteriaFactory;

    /**
     * @inheritDoc
     */
    protected function setUp(): void
    {
        $this->productRepository = Bootstrap::getObjectManager()->get(ProductRepositoryInterface::class);
        $this->stockItemRepository = Bootstrap::getObjectManager()->get(StockItemRepositoryInterface::class);
        $this->stockItemCriteriaFactory = Bootstrap::getObjectManager()->get(
            StockItemCriteriaInterfaceFactory::class
        );
        $this->sourceItemRepository = Bootstrap::getObjectManager()->get(SourceItemRepositoryInterface::class);
        $this->searchCriteriaBuilder = Bootstrap::getObjectManager()->get(SearchCriteriaBuilder::class);
        $this->sourceItemsSave = Bootstrap::getObjectManager()->get(SourceItemsSaveInterface::class);
        $this->areProductsSalable = Bootstrap::getObjectManager()->get(AreProductsSalableInterface::class);
    }

    /**
     * @magentoDataFixture Magento_InventoryApi::Test/_files/products.php
     * @magentoDataFixture Magento_InventoryApi::Test/_files/sources.php
     * @magentoDataFixture Magento_InventoryApi::Test/_files/stocks.php
     * @magentoDataFixture Magento_InventoryApi::Test/_files/stock_source_links.php
     * @magentoDataFixture Magento_InventoryApi::Test/_files/source_items.php
     *
     * @magentoDbIsolation disabled
     *
     * @return void
     */
    public function testBackorderedZeroQtyProductIsSalable(): void
    {
        $product = $this->productRepository->get('SKU-2');
        $stockItemSearchCriteria = $this->stockItemCriteriaFactory->create();
        $stockItemSearchCriteria->setProductsFilter($product->getId());
        $stockItemsCollection = $this->stockItemRepository->getList($stockItemSearchCriteria);

        /** @var StockItemInterface $legacyStockItem */
        $legacyStockItem = current($stockItemsCollection->getItems());
        $legacyStockItem->setBackorders(1);
        $legacyStockItem->setUseConfigBackorders(0);
        $this->stockItemRepository->save($legacyStockItem);

        $sourceItem = $this->getSourceItemBySku('SKU-2');
        $sourceItem->setQuantity(-15);
        $this->sourceItemsSave->execute([$sourceItem]);

        $result = $this->areProductsSalable->execute(['SKU-2'], 20);
        $result = current($result);
        $this->assertTrue($result->isSalable());
        $result = $this->areProductsSalable->execute(['SKU-2'], 30);
        $result = current($result);
        $this->assertTrue($result->isSalable());
    }

    /**
     * Retrieve source item by product sku.
     *
     * @param string $sku
     * @return SourceItemInterface
     */
    private function getSourceItemBySku(string $sku): SourceItemInterface
    {
        $searchCriteria = $this->searchCriteriaBuilder
            ->addFilter('sku', $sku)
            ->create();
        $sourceItemSearchResult = $this->sourceItemRepository->getList($searchCriteria);

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