<?php

namespace App\Treatment\Controller;

use App\Auth\Entity\User;
use App\ClinicService\Entity\ServiceItem;
use App\ClinicService\Repository\ServiceItemRepository;
use App\Doctor\Service\AddressResolver;
use App\Shared\Constant\ErrorCodes;
use App\Shared\Controller\BaseController;
use App\Shared\Exception\AppException;
use App\Treatment\Repository\TreatmentProtocolRepository;
use App\Treatment\Service\TreatmentProtocolWriter;
use Doctrine\ORM\EntityManagerInterface;
use OpenApi\Attributes as OA;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Routing\Attribute\Route;
use Symfony\Component\Security\Http\Attribute\CurrentUser;
use Symfony\Component\Security\Http\Attribute\IsGranted;

#[OA\Tag(name: 'Treatment')]
#[IsGranted('IS_AUTHENTICATED_FULLY')]
class TreatmentProtocolController extends BaseController
{
    public function __construct(
        private readonly TreatmentProtocolRepository $protocols,
        private readonly ServiceItemRepository       $items,
        private readonly TreatmentProtocolWriter     $writer,
        private readonly AddressResolver             $branches,
        private readonly EntityManagerInterface      $em,
    ) {}

    /** `null` یعنی سوییچ «طول درمان» خاموش است، نه اینکه چیزی پیدا نشد. */
    #[Route('/api/v1/service-item/{uuid}/treatment-protocol', name: 'treatment_protocol_show', methods: ['GET'])]
    public function show(#[CurrentUser] User $user, string $uuid): JsonResponse
    {
        $protocol = $this->protocols->findForService($this->requireItem($user, $uuid));

        return $this->success($protocol?->toArray());
    }

    #[Route('/api/v1/service-item/{uuid}/treatment-protocol', name: 'treatment_protocol_replace', methods: ['PUT'])]
    public function replace(#[CurrentUser] User $user, string $uuid, Request $request): JsonResponse
    {
        $data = json_decode($request->getContent(), true);

        if (!is_array($data)) {
            return $this->error(ErrorCodes::ERR_VALIDATION_001, 'بدنهٔ درخواست نامعتبر است', 422);
        }

        $protocol = $this->writer->replace($user, $this->requireItem($user, $uuid), $data);

        return $this->success($protocol->toArray());
    }

    /** خاموش کردن سوییچ: پروتکل حذف می‌شود و سرویس دوباره تک‌جلسه‌ای می‌گردد. */
    #[Route('/api/v1/service-item/{uuid}/treatment-protocol', name: 'treatment_protocol_delete', methods: ['DELETE'])]
    public function delete(#[CurrentUser] User $user, string $uuid): JsonResponse
    {
        $protocol = $this->protocols->findForService($this->requireItem($user, $uuid));

        if ($protocol !== null) {
            $this->em->remove($protocol);
            $this->em->flush();
        }

        return $this->success(null);
    }

    private function requireItem(User $user, string $uuid): ServiceItem
    {
        $item = $this->items->findByUuid($uuid);
        [$entityType, $entityId] = $this->branches->pair($user);

        if ($item === null
            || $item->getSection()->getEntityType() !== $entityType
            || $item->getSection()->getEntityId() !== $entityId
        ) {
            throw new AppException(ErrorCodes::ERR_NOT_FOUND_001, 'سرویس یافت نشد', 404);
        }

        return $item;
    }
}