<?php
/**
 * Created by PhpStorm.
 * User: bruno
 * Date: 14.06.19.
 * Time: 16:20
 */

namespace Q\CoreBundle\EventListener;

use ApartmentBundle\Entity\Apartment;
use ApartmentBundle\Entity\BookingService;
use ApartmentBundle\Entity\Building;
use Doctrine\Common\EventSubscriber;
use Doctrine\ORM\Event\LifecycleEventArgs;
use Doctrine\ORM\Events;
use Q\CoreBundle\Entity\User;
use Ramsey\Uuid\Doctrine\UuidGenerator;

class UuidSubscriberListener implements EventSubscriber
{
    /**
     * @var UuidGenerator
     */
    private $generator;

    /**
     * @param UuidGenerator $uuidGenerator
     */
    public function __construct(UuidGenerator $uuidGenerator)
    {
        $this->generator = $uuidGenerator;
    }

    /**
     * {@inheritdoc}
     */
    public function getSubscribedEvents()
    {
        return [
            Events::prePersist,
            Events::preUpdate,
        ];
    }

    /**
     * @param LifecycleEventArgs $args
     */
    public function prePersist(LifecycleEventArgs $args)
    {
        $this->updateUuid($args);
    }

    /**
     * @param LifecycleEventArgs $args
     */
    public function preUpdate(LifecycleEventArgs $args)
    {
        $this->updateUuid($args);
    }

    /**
     * @param LifecycleEventArgs $args
     */
    public function updateUuid(LifecycleEventArgs $args)
    {
        $entity = $args->getEntity();

        if (!$entity instanceof BookingService &&
            !$entity instanceof Apartment &&
            !$entity instanceof Building &&
            !$entity instanceof User)
        {
            return;
        }

        if (empty($entity->getUuid()))
        {
            $uuid = $this->generator->generate($args->getEntityManager(), $entity);
            $entity->setUuid($uuid);
        }
    }
}