<?php

/**
 * 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.
 */

declare(strict_types=1);

namespace Chill\DocStoreBundle\Repository;

use Chill\DocStoreBundle\Entity\PersonDocument;
use Chill\DocStoreBundle\Security\Authorization\PersonDocumentVoter;
use Chill\MainBundle\Security\Authorization\AuthorizationHelperInterface;
use Chill\MainBundle\Security\Resolver\CenterResolverDispatcher;
use Chill\PersonBundle\Entity\Person;
use Doctrine\ORM\EntityManagerInterface;
use Doctrine\ORM\QueryBuilder;
use Symfony\Component\Security\Core\Security;

class PersonDocumentACLAwareRepository implements PersonDocumentACLAwareRepositoryInterface
{
    private AuthorizationHelperInterface $authorizationHelper;

    private CenterResolverDispatcher $centerResolverDispatcher;

    private EntityManagerInterface $em;

    private Security $security;

    public function __construct(EntityManagerInterface $em, AuthorizationHelperInterface $authorizationHelper, CenterResolverDispatcher $centerResolverDispatcher, Security $security)
    {
        $this->em = $em;
        $this->authorizationHelper = $authorizationHelper;
        $this->centerResolverDispatcher = $centerResolverDispatcher;
        $this->security = $security;
    }

    public function buildQueryByPerson(Person $person): QueryBuilder
    {
        $qb = $this->em->getRepository(PersonDocument::class)->createQueryBuilder('d');

        $qb
            ->where($qb->expr()->eq('d.person', ':person'))
            ->setParameter('person', $person);

        return $qb;
    }

    public function countByPerson(Person $person): int
    {
        $qb = $this->buildQueryByPerson($person)->select('COUNT(d)');

        $this->addACL($qb, $person);

        return $qb->getQuery()->getSingleScalarResult();
    }

    public function findByPerson(Person $person, array $orderBy = [], int $limit = 20, int $offset = 0): array
    {
        $qb = $this->buildQueryByPerson($person)->select('d');

        $this->addACL($qb, $person);

        foreach ($orderBy as $field => $order) {
            $qb->addOrderBy('d.' . $field, $order);
        }

        $qb->setFirstResult($offset)->setMaxResults($limit);

        return $qb->getQuery()->getResult();
    }

    private function addACL(QueryBuilder $qb, Person $person): void
    {
        $center = $this->centerResolverDispatcher->resolveCenter($person);

        $reachableScopes = $this->authorizationHelper
            ->getReachableScopes(
                $this->security->getUser(),
                PersonDocumentVoter::SEE,
                $center
            );

        $qb->andWhere($qb->expr()->in('d.scope', ':scopes'))
            ->setParameter('scopes', $reachableScopes);
    }
}