<?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\PersonBundle\AccompanyingPeriod\Events;

use Chill\MainBundle\Entity\Address;
use Chill\MainBundle\Entity\Notification;
use Chill\PersonBundle\Entity\AccompanyingPeriod;
use Chill\PersonBundle\Event\Person\PersonAddressMoveEvent;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\Security\Core\Security;
use Symfony\Component\Templating\EngineInterface;
use Symfony\Contracts\Translation\TranslatorInterface;

class PersonMoveEventSubscriber implements EventSubscriberInterface
{
    private EngineInterface $engine;

    private EntityManagerInterface $entityManager;

    private Security $security;

    private TranslatorInterface $translator;

    public function __construct(
        EngineInterface $engine,
        EntityManagerInterface $entityManager,
        Security $security,
        TranslatorInterface $translator
    ) {
        $this->engine = $engine;
        $this->entityManager = $entityManager;
        $this->security = $security;
        $this->translator = $translator;
    }

    public static function getSubscribedEvents(): array
    {
        return [
            PersonAddressMoveEvent::class => 'resetPeriodLocation',
        ];
    }

    public function resetPeriodLocation(PersonAddressMoveEvent $event)
    {
        if ($event->getPreviousAddress() !== $event->getNextAddress()
            && null !== $event->getPreviousAddress()
        ) {
            $person = $event->getPerson();

            foreach ($person->getCurrentAccompanyingPeriods() as $period) {
                if ($period->getStep() === AccompanyingPeriod::STEP_DRAFT) {
                    continue;
                }

                $now = new \DateTimeImmutable('now');

                if (
                    $period->getPersonLocation() === $person
                    &&
                        (
                            $event->getMoveDate() >= $period->getLastLocationHistory()->getStartDate()
                            || (
                                $event->getNextAddress()->getValidFrom() < $now
                                && (null === $event->getNextAddress()->getValidTo() || $event->getNextAddress()->getValidTo() > $now)
                            )
                        )
                    && null !== $period->getUser()
                    && $period->getUser() !== $this->security->getUser()
                ) {
                    // reset the location, back to an address
                    $period->setPersonLocation(null);
                    $period->setAddressLocation(Address::createFromAddress($event->getPreviousAddress()));

                    $notification = new Notification();
                    $notification
                        ->addAddressee($period->getUser())
                        ->setTitle($this->translator->trans('period_notification.Person locating period has moved'))
                        ->setRelatedEntityClass(AccompanyingPeriod::class)
                        ->setRelatedEntityId($period->getId())
                        ->setMessage($this->engine->render('@ChillPerson/AccompanyingPeriod/notification_location_user_on_period_has_moved.fr.txt.twig', [
                            'oldPersonLocation' => $person,
                            'period' => $period,
                        ]));

                    $this->entityManager->persist($notification);
                }
            }
        }
    }
}