<?php

namespace WorkflowBundle\Services;

use OldSound\RabbitMqBundle\RabbitMq\Producer;
use Symfony\Component\DependencyInjection\ContainerInterface;
use WorkflowBundle\Entity\Action;
use WorkflowBundle\Utils\DoctrineEvents;
use WorkflowBundle\Utils\WorkFlowEntityClasses;

class ProducerService
{

    /**
     * @var Producer
     */
    private $producer;

    /**
     * @var ContainerInterface
     */
    private $serviceContainer;


    /**
     * @param ContainerInterface $serviceContainer
     */
    public function __construct(ContainerInterface $serviceContainer)
    {
        $this->serviceContainer = $serviceContainer;
        /* @var $this->producer Producer */
        $this->producer = $serviceContainer->get('old_sound_rabbit_mq.flowdat_tasklogger_producer');
    }
    
    /**
     * @return EntityManagerInterface
     */
    public function getEntityManager()
    {
        return $this->serviceContainer->get('doctrine.orm.entity_manager');
    }

    /**
     * @param Entity $entity
     * @param string $eventName
     */
    public function execute($entity, $eventName = DoctrineEvents::PRE_PERSIST)
    {
        $entityClass = get_class($entity);

        // la $entity esta dentro de las entidades con workflow
        if (in_array($entityClass, WorkFlowEntityClasses::getConstants())) {
            $doctrine2WorkFlowActionRepository = $this->getEntityManager()->getRepository('WorkflowBundle:Doctrine2WorkFlowAction');
            $doctrine2WorkFlowActions = $doctrine2WorkFlowActionRepository->findAllByEventAndEntityClass($eventName, $entityClass);
            foreach ($doctrine2WorkFlowActions as $doctrine2WorkFlowAction) {
                $actions = $doctrine2WorkFlowAction->getActions();
                foreach ($actions as $action) {
                    $this->publishMessage($action, $entity);
                }
            }
        }
    }
    
    /**
     * @param array $actionName
     * @param array $entityClass
     * @param array $entityId
     */
    public function executeAction($actionName, $entityClass, $entityId)
    {
        $entityManager = $this->getEntityManager();
        $actionRepository = $entityManager->getRepository('WorkflowBundle:Action');
        $action = $actionRepository->findOneBy(array(
            'name' => $actionName,
            'objectClass' => $entityClass,
        ));
        $entityRepository = $entityManager->getRepository($entityClass);
        $entity = $entityRepository->find($entityId);
        if (in_array($entityClass, WorkFlowEntityClasses::getConstants())) {
            $this->publishMessage($action, $entity);
        }
    }

    /**
     * @param Action $action
     * @param Entity $entity
     */
    public function publishMessage(Action $action, $entity)
    {
        $msg = array(
            'id' => uniqid(),
            'content' => $action->render($entity),
        );
        $this->producer->publish(serialize($msg));
    }

}