<?php

declare(strict_types=1);

namespace App\Administration\Infrastructure\Api\Processor;

use ApiPlatform\Metadata\Operation;
use ApiPlatform\State\ProcessorInterface;
use App\Administration\Application\Command\CreateStudent\CreateStudentCommand;
use App\Administration\Application\Command\CreateStudent\CreateStudentHandler;
use App\Administration\Domain\Exception\ClasseNotFoundException;
use App\Administration\Domain\Exception\EmailDejaUtiliseeException;
use App\Administration\Domain\Model\SchoolClass\ClassId;
use App\Administration\Domain\Repository\ClassRepository;
use App\Administration\Infrastructure\Api\Resource\StudentResource;
use App\Administration\Infrastructure\Security\SecurityUser;
use App\Administration\Infrastructure\Security\StudentVoter;
use App\Administration\Infrastructure\Service\CurrentAcademicYearResolver;
use App\Shared\Infrastructure\Tenant\TenantContext;
use Override;
use Symfony\Bundle\SecurityBundle\Security;
use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
use Symfony\Component\HttpKernel\Exception\ConflictHttpException;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
use Symfony\Component\HttpKernel\Exception\UnauthorizedHttpException;
use Symfony\Component\Messenger\MessageBusInterface;
use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface;

/**
 * @implements ProcessorInterface<StudentResource, StudentResource>
 */
final readonly class CreateStudentProcessor implements ProcessorInterface
{
    public function __construct(
        private CreateStudentHandler $handler,
        private ClassRepository $classRepository,
        private TenantContext $tenantContext,
        private MessageBusInterface $eventBus,
        private AuthorizationCheckerInterface $authorizationChecker,
        private CurrentAcademicYearResolver $academicYearResolver,
        private Security $security,
    ) {
    }

    /**
     * @param StudentResource $data
     */
    #[Override]
    public function process(mixed $data, Operation $operation, array $uriVariables = [], array $context = []): StudentResource
    {
        if (!$this->authorizationChecker->isGranted(StudentVoter::CREATE)) {
            throw new AccessDeniedHttpException('Vous n\'êtes pas autorisé à créer un élève.');
        }

        if (!$this->tenantContext->hasTenant()) {
            throw new UnauthorizedHttpException('Bearer', 'Tenant non défini.');
        }

        $tenantId = (string) $this->tenantContext->getCurrentTenantId();
        $tenantConfig = $this->tenantContext->getCurrentTenantConfig();
        $academicYearId = $this->academicYearResolver->resolve('current')
            ?? throw new BadRequestHttpException('Impossible de résoudre l\'année scolaire courante.');

        try {
            $adminUserId = null;
            $securityUser = $this->security->getUser();

            if ($securityUser instanceof SecurityUser) {
                $adminUserId = $securityUser->userId();
            }

            $command = new CreateStudentCommand(
                tenantId: $tenantId,
                schoolName: $tenantConfig->subdomain,
                firstName: $data->firstName ?? '',
                lastName: $data->lastName ?? '',
                classId: $data->classId ?? '',
                academicYearId: $academicYearId,
                email: $data->email,
                dateNaissance: $data->dateNaissance,
                studentNumber: $data->studentNumber,
                parentalConsent: $data->parentalConsent,
                consentRecordedBy: $adminUserId,
            );

            $user = ($this->handler)($command);

            // Dispatch domain events
            foreach ($user->pullDomainEvents() as $event) {
                $this->eventBus->dispatch($event);
            }

            // Build the response from the created user and class info
            $class = $this->classRepository->get(ClassId::fromString($data->classId ?? ''));

            $resource = new StudentResource();
            $resource->id = (string) $user->id;
            $resource->firstName = $user->firstName;
            $resource->lastName = $user->lastName;
            $resource->email = $user->email !== null ? (string) $user->email : null;
            $resource->statut = $user->statut->value;
            $resource->classId = $data->classId;
            $resource->className = (string) $class->name;
            $resource->classLevel = $class->level?->value;
            $resource->studentNumber = $user->studentNumber;
            $resource->dateNaissance = $user->dateNaissance?->format('Y-m-d');

            return $resource;
        } catch (EmailDejaUtiliseeException $e) {
            throw new ConflictHttpException($e->getMessage());
        } catch (ClasseNotFoundException $e) {
            throw new NotFoundHttpException($e->getMessage());
        }
    }
}