<?php

declare(strict_types=1);

namespace App\Controller;

use App\Entity\ComposantPieceSlot;
use App\Entity\Piece;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Routing\Attribute\Route;

#[Route('/api/composant-piece-slots')]
class ComposantPieceSlotController extends AbstractController
{
    public function __construct(
        private readonly EntityManagerInterface $entityManager,
    ) {}

    #[Route('/{id}', name: 'composant_piece_slot_patch', methods: ['PATCH'])]
    public function patch(string $id, Request $request): JsonResponse
    {
        $this->denyAccessUnlessGranted('ROLE_GESTIONNAIRE');

        $slot = $this->entityManager->find(ComposantPieceSlot::class, $id);
        if (!$slot) {
            return $this->json(['success' => false, 'error' => 'Slot not found.'], 404);
        }

        $payload = json_decode($request->getContent(), true);
        if (!is_array($payload)) {
            return $this->json(['success' => false, 'error' => 'Invalid JSON payload.'], 400);
        }

        if (array_key_exists('quantity', $payload)) {
            $slot->setQuantity(max(1, (int) $payload['quantity']));
        }

        if (array_key_exists('selectedPieceId', $payload)) {
            if (null === $payload['selectedPieceId']) {
                $slot->setSelectedPiece(null);
            } else {
                $piece = $this->entityManager->find(Piece::class, $payload['selectedPieceId']);
                if (!$piece) {
                    return $this->json(['success' => false, 'error' => 'Pièce introuvable.'], 404);
                }

                $slotTypePiece = $slot->getTypePiece();
                if ($slotTypePiece && $piece->getTypePiece()?->getId() !== $slotTypePiece->getId()) {
                    return $this->json([
                        'success' => false,
                        'error'   => sprintf('La pièce doit être de type « %s ».', $slotTypePiece->getName()),
                    ], 422);
                }

                $slot->setSelectedPiece($piece);
            }
        }

        $this->entityManager->flush();

        return $this->json([
            'success'         => true,
            'id'              => $slot->getId(),
            'quantity'        => $slot->getQuantity(),
            'selectedPieceId' => $slot->getSelectedPiece()?->getId(),
        ]);
    }
}
