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<?php
/**
 * Copyright © eComBricks. All rights reserved.
 * See LICENSE.txt for license details.
 */
declare(strict_types=1);

namespace Ecombricks\InventoryInventorySales\Model;

/**
 * Get product salable qty model
 */
class GetProductSalableQty implements \Ecombricks\InventoryInventorySales\Api\GetProductSalableQtyInterface
{
    
    /**
     * Source manager
     * 
     * @var \Ecombricks\Inventory\Model\SourceManagement 
     */
    protected $sourceManagement;
    
    /**
     * Product management
     * 
     * @var \Ecombricks\InventoryInventoryCatalog\Model\ProductManagement
     */
    protected $productManagement;
    
    /**
     * Source item management
     * 
     * @var \Ecombricks\InventoryInventorySales\Model\SourceItemManagement
     */
    protected $sourceItemManagement;
    
    /**
     * Get stock item configuration
     * 
     * @var \Magento\InventoryConfigurationApi\Api\GetStockItemConfigurationInterface
     */
    protected $getStockItemConfiguration;
    
    /**
     * Get reservations quantity
     * 
     * @var \Ecombricks\InventoryInventoryReservations\Model\GetReservationsQuantityInterface
     */
    protected $getReservationsQuantity;
    
    /**
     * @var \Magento\InventoryCatalogApi\Model\GetProductTypesBySkusInterface
     */
    protected $getProductTypesBySkus;
    
    /**
     * Constructor
     * 
     * @param \Ecombricks\Inventory\Model\SourceManagement $sourceManagement
     * @param \Ecombricks\InventoryInventoryCatalog\Model\ProductManagement $productManagement
     * @param \Ecombricks\InventoryInventorySales\Model\SourceItemManagement $sourceItemManagement
     * @param \Magento\InventoryConfigurationApi\Api\GetStockItemConfigurationInterface $getStockItemConfig
     * @param \Ecombricks\InventoryInventoryReservations\Model\GetReservationsQuantityInterface $getReservationsQuantity
     * @param \Magento\InventoryCatalogApi\Model\GetProductTypesBySkusInterface $getProductTypesBySkus
     * @return void
     */
    public function __construct(
        \Ecombricks\Inventory\Model\SourceManagement $sourceManagement,
        \Ecombricks\InventoryInventoryCatalog\Model\ProductManagement $productManagement,
        \Ecombricks\InventoryInventorySales\Model\SourceItemManagement $sourceItemManagement,
        \Magento\InventoryConfigurationApi\Api\GetStockItemConfigurationInterface $getStockItemConfig,
        \Ecombricks\InventoryInventoryReservations\Model\GetReservationsQuantityInterface $getReservationsQuantity,
        \Magento\InventoryCatalogApi\Model\GetProductTypesBySkusInterface $getProductTypesBySkus
    )
    {
        $this->sourceManagement = $sourceManagement;
        $this->productManagement = $productManagement;
        $this->sourceItemManagement = $sourceItemManagement;
        $this->getStockItemConfiguration = $getStockItemConfig;
        $this->getReservationsQuantity = $getReservationsQuantity;
        $this->getProductTypesBySkus = $getProductTypesBySkus;
    }
    
    /**
     * Validate product type
     * 
     * @param string $sku
     * @return bool
     * @throws \Magento\Framework\Exception\InputException
     */
    protected function validateProductType(string $sku): bool
    {
        $productType = $this->getProductTypesBySkus->execute([$sku])[$sku];
        if (!$this->productManagement->isSourceItemManagementAllowedByProductType($productType)) {
            throw new \Magento\Framework\Exception\InputException(
                __('Can\'t check requested quantity for products without source items support.')
            );
        }
        return true;
    }
    
    /**
     * Execute
     * 
     * @param string $sku
     * @param string $sourceCode
     * @return float
     * @throws \Magento\Framework\Exception\InputException
     * @throws \Magento\Framework\Exception\LocalizedException
     */
    public function execute(string $sku, string $sourceCode): float
    {
        $this->validateProductType($sku);
        $stockId = $this->sourceManagement->getSourceStockId($sourceCode);
        $sourceItem = $this->sourceItemManagement->get($sku, $stockId, $sourceCode);
        if (!$sourceItem || !$sourceItem->isSalable()) {
            return 0;
        }
        $stockItemConfig = $this->getStockItemConfiguration->execute($sku, $stockId);
        $qty = $sourceItem->getQuantity();
        $reservationQty = $this->getReservationsQuantity->execute($sku, $sourceCode);
        $minQty = $stockItemConfig->getMinQty();
        return $qty + $reservationQty - $minQty;
    }
    
}