<?php

namespace AppBundle\Controller;

use AppBundle\Entity\Event;
use AppBundle\Form\EventType;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Security\Core\Exception\AccessDeniedException;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;

class EventController extends Controller
{
    public function indexAction()
    {
        $em = $this->getDoctrine()->getManager();
        $user = $this->get('security.token_storage')->getToken()->getUser();

        $events = $em->getRepository('AppBundle:Event')->getEventsByUser($user);

        return $this->render('AppBundle:Event:index.html.twig', array(
            'events' => $events,
        ));
    }

    public function newAction()
    {
        $form = $this->createForm(new EventType(), new Event());

        return $this->render('AppBundle:Event:new.html.twig', array(
            'form'   => $form->createView(),
        ));
    }

    public function createAction(Request $request)
    {
        $event = new Event();
        $user = $this->get('security.token_storage')->getToken()->getUser();
        $form = $this->createForm(new EventType(), $event);
        $form->handleRequest($request);

        if ($form->isValid()) {
            $event->setUser($user);
            $em = $this->getDoctrine()->getManager();
            $em->persist($event);
            $em->flush();

            return $this->redirect($this->generateUrl('event_show', array('id' => $event->getId())));
        }

        return $this->render('AppBundle:Event:new.html.twig', array(
            'form'   => $form->createView(),
        ));
    }

    public function showAction($id)
    {
        $em = $this->getDoctrine()->getManager();

        $event = $em->getRepository('AppBundle:Event')->find($id);

        if (!$event) {
            throw $this->createNotFoundException('Unable to find Event event.');
        }

        $deleteForm = $this->createDeleteForm($id);

        return $this->render('AppBundle:Event:show.html.twig', array(
            'event'      => $event,
            'delete_form' => $deleteForm->createView(),
        ));
    }

    public function editAction($id)
    {
        $em = $this->getDoctrine()->getManager();
        $user = $this->get('security.token_storage')->getToken()->getUser();
        $event = $em->getRepository('AppBundle:Event')->find($id);

        if (!$event) {
            throw $this->createNotFoundException('Unable to find Event entity.');
        }

        if ($event->getUser() != $user) {
            throw new AccessDeniedException('You are not owner of this event!');
        }

        $editForm = $this->createForm(new EventType(), $event);
        $deleteForm = $this->createDeleteForm($id);

        return $this->render('AppBundle:Event:edit.html.twig', array(
            'event'      => $event,
            'form'   => $editForm->createView(),
            'delete_form' => $deleteForm->createView(),
        ));
    }

    public function updateAction(Request $request, $id)
    {
        $em = $this->getDoctrine()->getManager();
        $user = $this->get('security.token_storage')->getToken()->getUser();

        $event = $em->getRepository('AppBundle:Event')->find($id);

        if (!$event) {
            throw $this->createNotFoundException('Unable to find Event entity.');
        }

        if ($event->getUser() != $user) {
            throw new AccessDeniedException('You are not owner of this event!');
        }

        $deleteForm = $this->createDeleteForm($id);
        $editForm = $this->createForm(new EventType(), $event);
        $editForm->handleRequest($request);

        if ($editForm->isValid()) {
            $em->flush();

            return $this->redirect($this->generateUrl('event_edit', array('id' => $id)));
        }

        return $this->render('AppBundle:Event:edit.html.twig', array(
            'event'      => $event,
            'form'   => $editForm->createView(),
            'delete_form' => $deleteForm->createView(),
        ));
    }

    public function deleteAction(Request $request, $id)
    {
        $form = $this->createDeleteForm($id);
        $form->handleRequest($request);

        if ($form->isValid()) {
            $em = $this->getDoctrine()->getManager();
            $entity = $em->getRepository('AppBundle:Event')->find($id);

            if (!$entity) {
                throw $this->createNotFoundException('Unable to find Event entity.');
            }

            $em->remove($entity);
            $em->flush();
        }

        return $this->redirect($this->generateUrl('event'));
    }

    /**
     * Creates a form to delete a Event entity by id.
     *
     * @param mixed $id The entity id
     *
     * @return \Symfony\Component\Form\Form The form
     */
    private function createDeleteForm($id)
    {
        return $this->createFormBuilder()
            ->setAction($this->generateUrl('event_delete', array('id' => $id)))
            ->setMethod('DELETE')
            ->add('submit', 'submit', array('label' => 'Delete'))
            ->getForm()
        ;
    }
}