<?php

declare(strict_types=1);

namespace App\Controller;

use App\Dto\CreateTodoDto;
use App\Dto\UpdateTodoDto;
use App\Entity\Todo;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Attribute\MapRequestPayload;
use Symfony\Component\Routing\Attribute\Route;
use Symfony\Component\Serializer\Normalizer\NormalizerInterface;

/**
 * Auto-generated CRUD controller for the Todo bridge resource (DTO-shaped).
 * Edit freely — re-running make:bridge:resource won't overwrite this file.
 *
 * Validated input via #[MapRequestPayload]: malformed JSON, missing
 * required fields, or constraint violations produce RFC 7807
 * problem+json automatically (Symfony's RequestPayloadValueResolver).
 */
#[Route('/api/todos')]
final class TodoController
{
    public function __construct(
        private readonly EntityManagerInterface $em,
        private readonly NormalizerInterface $normalizer,
    ) {
    }

    #[Route('', name: 'todo_list', methods: ['GET'])]
    public function list(): JsonResponse
    {
        $items = $this->em->getRepository(Todo::class)->findAll();

        return new JsonResponse($this->normalizer->normalize($items, 'json'));
    }

    #[Route('', name: 'todo_create', methods: ['POST'])]
    public function create(#[MapRequestPayload] CreateTodoDto $dto): JsonResponse
    {
        $entity = new Todo();
        $entity->setTitle($dto->title);
        $entity->setDone($dto->done);

        $this->em->persist($entity);
        $this->em->flush();

        return new JsonResponse(
            $this->normalizer->normalize($entity, 'json'),
            Response::HTTP_CREATED,
        );
    }

    #[Route('/{id}', name: 'todo_update', methods: ['PATCH'])]
    public function update(string $id, #[MapRequestPayload] UpdateTodoDto $dto): JsonResponse
    {
        $entity = $this->em->getRepository(Todo::class)->find($id);

        if (null === $entity) {
            return new JsonResponse(
                ['title' => 'Not Found', 'status' => 404],
                Response::HTTP_NOT_FOUND,
                ['Content-Type' => 'application/problem+json'],
            );
        }

        if (null !== $dto->title) {
            $entity->setTitle($dto->title);
        }

        if (null !== $dto->done) {
            $entity->setDone($dto->done);
        }

        $this->em->flush();

        return new JsonResponse($this->normalizer->normalize($entity, 'json'));
    }

    #[Route('/{id}', name: 'todo_delete', methods: ['DELETE'])]
    public function delete(string $id): JsonResponse
    {
        $entity = $this->em->getRepository(Todo::class)->find($id);

        if (null === $entity) {
            return new JsonResponse(null, Response::HTTP_NO_CONTENT);
        }

        $this->em->remove($entity);
        $this->em->flush();

        return new JsonResponse(null, Response::HTTP_NO_CONTENT);
    }
}