namespace App\Components;

use Nette\Application\UI\Control;
use App\Model\ProductRepository;

class CartControl extends Control
{
    private $session;
    private $cart;
    protected $productRepository;

    public function __construct(\Nette\Http\Session $session, ProductRepository $productRepository)
    {
        $this->session = $session;
        $this->cart = $this->session->getSection('cart');
        $this->productRepository = $productRepository;
    }

    public function render(): void
    {
        $cart = ['total' => 0];
        if (is_array($this->cart->items)) {
            foreach ($this->productRepository->findBy(array('id' => array_keys($this->cart->items)))->fetchAll() as $product) {
                $price = $product->price * $this->cart->items[$product->id];
                $cart['items'][$product->id] = ['title' => $product->title, 'quantity' => $this->cart->items[$product->id], 'price' => $price];
                $cart['total'] += $price;
            }
        }
        $this->template->render(__DIR__ . '/cart.latte', (is_array($cart) ? $cart : []));
    }

}