namespace AppBundle\Listener\Entity;

use AppBundle\Entity\Ticket;
use AppBundle\Event\TicketEvent;
use AppBundle\Event\TicketEvents;
use Doctrine\ORM\Event\LifecycleEventArgs;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;

/**
 * @author Sullivan Senechal <soullivaneuh@gmail.com>
 */
final class TicketEntityListener
{
    /**
     * @var EventDispatcherInterface
     */
    private $eventDispatcher;

    /**
     * @param EventDispatcherInterface $eventDispatcher
     */
    public function setEventDispatcher(EventDispatcherInterface $eventDispatcher)
    {
        $this->eventDispatcher = $eventDispatcher;
    }

    /**
     * @param Ticket             $ticket
     * @param LifecycleEventArgs $eventArgs
     */
    public function postPersist(Ticket $ticket, LifecycleEventArgs $eventArgs)
    {
        $this->eventDispatcher->dispatch(TicketEvents::OPEN, new TicketEvent($ticket));
    }

    /**
     * @param Ticket             $ticket
     * @param LifecycleEventArgs $eventArgs
     */
    public function postUpdate(Ticket $ticket, LifecycleEventArgs $eventArgs)
    {
        $changeSet = $eventArgs->getEntityManager()->getUnitOfWork()->getEntityChangeSet($ticket);

        if (array_key_exists('assigned', $changeSet)) {
            $this->eventDispatcher->dispatch(TicketEvents::ASSIGNATION, new TicketEvent($ticket));
        }

        if (array_key_exists('state', $changeSet) && Ticket::STATE_CLOSE === $ticket->getState()) {
            $this->eventDispatcher->dispatch(TicketEvents::CLOSE, new TicketEvent($ticket));
        }

        if (array_key_exists('feedbackScore', $changeSet)) {
            $this->eventDispatcher->dispatch(TicketEvents::FEEDBACK, new TicketEvent($ticket));
        }
    }
}