<?php

namespace Lc\SovBundle\EventSubscriber;

use Doctrine\ORM\EntityManagerInterface;

use Lc\SovBundle\Doctrine\EntityInterface;
use Lc\SovBundle\Doctrine\Extension\SortableInterface;
use Lc\SovBundle\Doctrine\Extension\StatusInterface;
use Lc\SovBundle\Doctrine\Extension\TreeInterface;
use Lc\SovBundle\Event\EntityManager\EntityManagerEvent;
use Lc\SovBundle\Repository\AbstractRepositoryInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

class SortablePropertyEventSubscriber implements EventSubscriberInterface
{
    protected $em;
    protected $adminUrlGenerator;

    public function __construct(EntityManagerInterface $entityManager)
    {
        $this->em = $entityManager;
    }

    public static function getSubscribedEvents()
    {
        return [
                EntityManagerEvent::PRE_CREATE_EVENT => ['setCommonProperty'],
        ];
    }

    public function setCommonProperty(EntityManagerEvent $event)
    {
        $entity = $event->getEntity();
        $entityRepository = $this->em->getRepository(get_class($entity));
        if ($entity instanceof SortableInterface) {
            $this->setSortableProperty($entity, $entityRepository);
        }
    }


    private function setSortableProperty(EntityInterface $entity, AbstractRepositoryInterface $entityRepository)
    {
        $countParam = array();
        if ($entity instanceof StatusInterface) {
            $countParam['status'] = 1;
        }

        if ($entity instanceof TreeInterface) {
            if ($entity->getParent()) {
                $countParam['parent'] = $entity->getParent()->getId();
            } else {
                $countParam['parent'] = null;
            }
        }

        $total = $entityRepository->count($countParam);

        $entity->setPosition($total);
    }


}