<?php
declare(strict_types=1);

namespace Esun\Reward\Observer;

use Esun\Reward\Model\ReservationManager;
use Magento\Framework\Event\Observer;
use Magento\Framework\Event\ObserverInterface;

class RecalculateRedemptionPoints implements ObserverInterface
{
    public function __construct(private readonly ReservationManager $reservations) {}
    public function execute(Observer $observer): void
    {
        $cart=$observer->getEvent()->getCart();$quote=$cart?->getQuote();if(!$quote||!(int)$quote->getCustomerId()){return;}$points=0;
        foreach($quote->getAllVisibleItems() as $item){if((int)$item->getData('reward_redemption')){$points+=(int)$item->getData('reward_points_cost')*(int)$item->getQty();}}
        $quote->setData('reward_product_points',$points);$this->reservations->reserve((int)$quote->getCustomerId(),(int)$quote->getStore()->getWebsiteId(),(int)$quote->getId(),$points+(int)$quote->getData('reward_points_used'));
    }
}