<?php

namespace App\Manager;

use App\Entity\EntityInterface;
use App\Event\EntityManager\EntityManagerEvent;
use Doctrine\ORM\EntityManager as DoctrineEntityManager;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;

/**
 * class EntityManager.
 *
 * @author Simon Vieille <simon@deblan.fr>
 */
class EntityManager
{
    protected EventDispatcherInterface $eventDispatcher;

    protected DoctrineEntityManager $entityManager;

    public function __construct(EventDispatcherInterface $eventDispatcher, EntityManagerInterface $entityManager)
    {
        $this->eventDispatcher = $eventDispatcher;
        $this->entityManager = $entityManager;
    }

    public function create(EntityInterface $entity, bool $dispatchEvent = true): self
    {
        if ($dispatchEvent) {
            $this->eventDispatcher->dispatch(new EntityManagerEvent($entity), EntityManagerEvent::PRE_CREATE_EVENT);
        }

        $this->persist($entity);

        if ($dispatchEvent) {
            $this->eventDispatcher->dispatch(new EntityManagerEvent($entity), EntityManagerEvent::CREATE_EVENT);
        }

        return $this;
    }

    public function update(EntityInterface $entity, bool $dispatchEvent = true): self
    {
        if ($dispatchEvent) {
            $this->eventDispatcher->dispatch(new EntityManagerEvent($entity), EntityManagerEvent::PRE_UPDATE_EVENT);
        }

        $this->persist($entity);

        if ($dispatchEvent) {
            $this->eventDispatcher->dispatch(new EntityManagerEvent($entity), EntityManagerEvent::UPDATE_EVENT);
        }

        return $this;
    }

    public function delete(EntityInterface $entity, bool $dispatchEvent = true): self
    {
        if ($dispatchEvent) {
            $this->eventDispatcher->dispatch(new EntityManagerEvent($entity), EntityManagerEvent::PRE_DELETE_EVENT);
        }

        $this->entityManager->remove($entity);
        $this->flush();

        if ($dispatchEvent) {
            $this->eventDispatcher->dispatch(new EntityManagerEvent($entity), EntityManagerEvent::DELETE_EVENT);
        }

        return $this;
    }

    public function flush(): self
    {
        $this->entityManager->flush();

        return $this;
    }

    public function clear(): self
    {
        $this->entityManager->clear();

        return $this;
    }

    public function getEntityManager(): EntityManagerInterface
    {
        return $this->entityManager;
    }

    protected function persist(EntityInterface $entity)
    {
        $this->entityManager->persist($entity);
        $this->flush();
    }
}