<?php

declare(strict_types=1);

/*
 * CoreShop
 *
 * This source file is available under two different licenses:
 *  - GNU General Public License version 3 (GPLv3)
 *  - CoreShop Commercial License (CCL)
 * Full copyright and license information is available in
 * LICENSE.md which is distributed with this source code.
 *
 * @copyright  Copyright (c) CoreShop GmbH (https://www.coreshop.org)
 * @license    https://www.coreshop.org/license     GPLv3 and CCL
 *
 */

namespace CoreShop\Bundle\InventoryBundle\Validator\Constraints;

use CoreShop\Component\Inventory\Checker\AvailabilityCheckerInterface;
use CoreShop\Component\Inventory\Model\StockableInterface;
use Symfony\Component\PropertyAccess\PropertyAccess;
use Symfony\Component\PropertyAccess\PropertyAccessor;
use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;
use Webmozart\Assert\Assert;

final class InStockValidator extends ConstraintValidator
{
    private PropertyAccessor $accessor;

    public function __construct(
        private AvailabilityCheckerInterface $availabilityChecker,
    ) {
        $this->accessor = PropertyAccess::createPropertyAccessor();
    }

    public function validate($value, Constraint $constraint): void
    {
        /** @var InStock $constraint */
        Assert::isInstanceOf($constraint, InStock::class);

        $stockable = $this->accessor->getValue($value, $constraint->stockablePath);
        if (null === $stockable) {
            return;
        }

        if (!$stockable instanceof StockableInterface) {
            return;
        }

        $quantity = $this->accessor->getValue($value, $constraint->quantityPath);
        if (null === $quantity) {
            return;
        }

        if (!$this->availabilityChecker->isStockSufficient($stockable, $quantity)) {
            $this->context->addViolation(
                $constraint->message,
                ['%stockable%' => $stockable->getInventoryName()],
            );
        }
    }
}
