<?php

declare(strict_types=1);

/*
 * Chill is a software for social workers
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace Chill\DocStoreBundle\Controller;

use Chill\DocStoreBundle\Service\Signature\Driver\BaseSigner\RequestPdfSignMessage;
use Chill\DocStoreBundle\Service\Signature\PDFPage;
use Chill\DocStoreBundle\Service\Signature\PDFSignatureZone;
use Chill\DocStoreBundle\Service\StoredObjectManagerInterface;
use Chill\DocStoreBundle\Service\StoredObjectToPdfConverter;
use Chill\MainBundle\Entity\Workflow\EntityWorkflowSignatureStateEnum;
use Chill\MainBundle\Entity\Workflow\EntityWorkflowStepSignature;
use Chill\MainBundle\Templating\Entity\ChillEntityRenderManagerInterface;
use Chill\MainBundle\Security\Authorization\EntityWorkflowStepSignatureVoter;
use Chill\MainBundle\Templating\Entity\UserRender;
use Chill\MainBundle\Workflow\EntityWorkflowManager;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
use Symfony\Component\Messenger\MessageBusInterface;
use Symfony\Component\Routing\Annotation\Route;
use Symfony\Bundle\SecurityBundle\Security;
use Symfony\Component\Serializer\Normalizer\NormalizerInterface;

class SignatureRequestController
{
    public function __construct(
        private readonly MessageBusInterface $messageBus,
        private readonly StoredObjectManagerInterface $storedObjectManager,
        private readonly EntityWorkflowManager $entityWorkflowManager,
        private readonly ChillEntityRenderManagerInterface $entityRender,
        private readonly NormalizerInterface $normalizer,
        private readonly Security $security,
        private readonly StoredObjectToPdfConverter $converter,
        private readonly EntityManagerInterface $entityManager,
    ) {}

    #[Route('/api/1.0/document/workflow/{id}/signature-request', name: 'chill_docstore_signature_request')]
    public function processSignature(EntityWorkflowStepSignature $signature, Request $request): JsonResponse
    {
        if (!$this->security->isGranted(EntityWorkflowStepSignatureVoter::SIGN, $signature)) {
            throw new AccessDeniedHttpException('not authorized to sign this step');
        }

        $entityWorkflow = $signature->getStep()->getEntityWorkflow();

        if (EntityWorkflowSignatureStateEnum::PENDING !== $signature->getState()) {
            return new JsonResponse([], status: Response::HTTP_CONFLICT);
        }
        $storedObject = $this->entityWorkflowManager->getAssociatedStoredObject($entityWorkflow);

        if ('application/pdf' !== $storedObject->getType()) {
            [$storedObject, $storedObjectVersion, $content] = $this->converter->addConvertedVersion($storedObject, $request->getLocale(), includeConvertedContent: true);
            $this->entityManager->persist($storedObjectVersion);
            $this->entityManager->flush();
        } else {
            $content = $this->storedObjectManager->read($storedObject);
        }

        $data = \json_decode((string) $request->getContent(), true, 512, JSON_THROW_ON_ERROR);
        $zone = new PDFSignatureZone(
            $data['zone']['index'],
            $data['zone']['x'],
            $data['zone']['y'],
            $data['zone']['height'],
            $data['zone']['width'],
            new PDFPage($data['zone']['PDFPage']['index'], $data['zone']['PDFPage']['width'], $data['zone']['PDFPage']['height'])
        );

        $this->messageBus->dispatch(new RequestPdfSignMessage(
            $signature->getId(),
            $zone,
            $data['zone']['index'],
            'Signed by IP: '.(string) $request->getClientIp().', authenticated user: '.$this->entityRender->renderString($this->security->getUser(), []),
            $this->entityRender->renderString($signature->getSigner(), [
                // options for user render
                'absence' => false,
                'main_scope' => false,
                UserRender::SPLIT_LINE_BEFORE_CHARACTER => 30,
                // options for person render
                'addAge' => false,
            ]),
            $content
        ));

        return new JsonResponse(null, JsonResponse::HTTP_OK, []);
    }

    #[Route('/api/1.0/document/workflow/{id}/check-signature', name: 'chill_docstore_check_signature')]
    public function checkSignature(EntityWorkflowStepSignature $signature): JsonResponse
    {
        $entityWorkflow = $signature->getStep()->getEntityWorkflow();
        $storedObject = $this->entityWorkflowManager->getAssociatedStoredObject($entityWorkflow);

        return new JsonResponse(
            [
                'state' => $signature->getState(),
                'storedObject' => $this->normalizer->normalize($storedObject, 'json'),
            ],
            JsonResponse::HTTP_OK,
            []
        );
    }
}