<?php

namespace Swpb\Bundle\CocarBundle\Controller;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;

use Sensio\Bundle\FrameworkExtraBundle\Configuration\Method;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Template;

use Swpb\Bundle\CocarBundle\Entity\Printer;
use Swpb\Bundle\CocarBundle\Entity\PrinterCounter;
use Swpb\Bundle\CocarBundle\Form\PrinterType;

use Doctrine\ORM\EntityManager;

/**
 * Printer controller.
 *
 * @Route("/printer")
 */
class PrinterController extends Controller
{

    private $em;

    public function __construct(EntityManager $em = null)
    {
        $this->em = $em;
    }  

    /**
     * Lists all Printer entities.
     *
     * @Route("/", name="printer_index")
     * @Method("GET")
     * @Template()
     */
    public function indexAction(Request $request)
    {
        $em = $this->getDoctrine()->getManager();

        $form = $request->query->get('form');

        if($form)
        {
            $start = new \DateTime($form['startDate']);
            $start = $start->format('U');

            $end = new \DateTime($form['endDate']);
            $end = $end->format('U');
        }

        $start = isset($start) ? $start : (time() - ((60*60*24)*30));
        $end   = isset($end) ? $end : time();

        $printers = $em->getRepository('CocarBundle:Printer')->findAll();

        $printerCounter = array();

        foreach ($printers as $printer)
        {
            $printerCounter[$printer->getId()] = $em->createQuery(
                            "SELECT pc.id, pc.prints, pc.blackInk, pc.coloredInk FROM CocarBundle:PrinterCounter pc
                                WHERE (pc.date >= :start AND pc.date <= :end) AND (pc.printer = :id) 
                                ORDER BY pc.id ASC"
                        )
                        ->setParameter('start', $start)
                        ->setParameter('end', $end)
                        ->setParameter('id', $printer->getId())
                        ->getResult();
        }

        $pCounter = array();

        foreach ($printerCounter as $key => $counter)
        {
            $size = sizeof($counter)-1;

            if(isset($counter[$size]))
            {
                $pCounter[$key]['prints'] = ($size == 0) ?
                    $counter[$size]['prints'] : $counter[$size]['prints'] - $counter[0]['prints'];
                $pCounter[$key]['blackInk']   = $counter[$size]['blackInk'];
                $pCounter[$key]['coloredInk'] = $counter[$size]['coloredInk'];
            }
        }

        $displayAll = ($request->query->get('all')) ? $request->query->get('all') : 0;

        if(!$displayAll)
        {
            $paginator = $this->get('knp_paginator');
            $printers  = $paginator->paginate($printers, $this->get('request')->query->get('page', 1), 10);
        }
        return array(
            "printer" => $printers,
            "printerCounter" => $pCounter,
            "form" => $this->createCalendarForm(0, new \DateTime(date("Y-m-d", $start)), new \DateTime(date("Y-m-d", $end)))->createView(),
            "start" => $start,
            "end" => $end,
            "displayAll" => $displayAll
        );
    }
    /**
     * Creates a new Printer entity.
     *
     * @Route("/", name="printer_create")
     * @Method("POST")
     * @Template("CocarBundle:Printer:new.html.twig")
     */
    public function createAction(Request $request)
    {
        $entity = new Printer();
        $form = $this->createCreateForm($entity);
        $form->handleRequest($request);

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

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

        return array(
            'entity' => $entity,
            'form'   => $form->createView(),
        );
    }

    /**
    * Creates a form to create a Printer entity.
    *
    * @param Printer $entity The entity
    *
    * @return \Symfony\Component\Form\Form The form
    */
    private function createCreateForm(Printer $entity)
    {
        $form = $this->createForm(new PrinterType(), $entity, array(
            'action' => $this->generateUrl('printer_create'),
            'method' => 'POST',
        ));

        $form->add('submit', 'submit', array('label' => 'Create'));

        return $form;
    }

    /**
     * Displays a form to create a new Printer entity.
     *
     * @Route("/new", name="printer_new")
     * @Method("GET")
     * @Template()
     */
    public function newAction()
    {
        $entity = new Printer();
        $form   = $this->createCreateForm($entity);

        return array(
            'entity' => $entity,
            'form'   => $form->createView(),
        );
    }

    /**
     * Finds and displays a Printer entity.
     *
     * @Route("/{id}", name="printer_show")
     * @Method("GET")
     * @Template()
     */
    public function showAction($id)
    {
        $em = $this->getDoctrine()->getManager();

        $entity = $em->getRepository('CocarBundle:Printer')->find($id);

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

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

        return array(
            'entity'      => $entity,
            'delete_form' => $deleteForm->createView(),
        );
    }

    /**
     * Displays a form to edit an existing Printer entity.
     *
     * @Route("/{id}/edit", name="printer_edit")
     * @Method("GET")
     * @Template()
     */
    public function editAction($id)
    {
        $em = $this->getDoctrine()->getManager();

        $entity = $em->getRepository('CocarBundle:Printer')->find($id);

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

        $editForm = $this->createEditForm($entity);
        $deleteForm = $this->createDeleteForm($id);

        return array(
            'entity'      => $entity,
            'edit_form'   => $editForm->createView(),
            'delete_form' => $deleteForm->createView(),
        );
    }

    /**
    * Creates a form to edit a Printer entity.
    *
    * @param Printer $entity The entity
    *
    * @return \Symfony\Component\Form\Form The form
    */
    private function createEditForm(Printer $entity)
    {
        $form = $this->createForm(new PrinterType(), $entity, array(
            'action' => $this->generateUrl('printer_update', array('id' => $entity->getId())),
            'method' => 'PUT',
        ));

        $form->add('submit', 'submit', array('label' => 'Update'));

        return $form;
    }
    /**
     * Edits an existing Printer entity.
     *
     * @Route("/{id}", name="printer_update")
     * @Method("PUT")
     * @Template("CocarBundle:Printer:edit.html.twig")
     */
    public function updateAction(Request $request, $id)
    {
        $em = $this->getDoctrine()->getManager();

        $entity = $em->getRepository('CocarBundle:Printer')->find($id);

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

        $deleteForm = $this->createDeleteForm($id);
        $editForm = $this->createEditForm($entity);
        $editForm->handleRequest($request);

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

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

        return array(
            'entity'      => $entity,
            'edit_form'   => $editForm->createView(),
            'delete_form' => $deleteForm->createView(),
        );
    }
    /**
     * Deletes a Printer entity.
     *
     * @Route("/{id}", name="printer_delete")
     * @Method("DELETE")
     */
    public function deleteAction(Request $request, $id)
    {
        $form = $this->createDeleteForm($id);
        $form->handleRequest($request);

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

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

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

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

    /**
     * Creates a form to delete a Printer 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('printer_delete', array('id' => $id)))
            ->setMethod('DELETE')
            ->getForm()
        ;
    }

    /**
    * @Route("/reports/{id}", name="cocar_printer_reports")
    * @Template()
    */
    public function reportsAction($id, Request $request)
    {
        $em = $this->getDoctrine()->getManager();

        $form = $request->request->get('form');

        if($request->request->get('form'))
        {
            $start = new \DateTime($form['startDate']);
            $start = $start->format('U');

            $end = new \DateTime($form['endDate']);
            $end = $end->format('U');
        }

        $start = isset($start) ? $start : (time() - ((60*60*24)*30));
        $end   = isset($end) ? $end : time();

        $printerCounter = $em->createQuery(
                        "SELECT pc.id, pc.prints, pc.blackInk, pc.coloredInk FROM CocarBundle:PrinterCounter pc
                            WHERE (pc.date >= :start AND pc.date <= :end) AND (pc.printer = :id) 
                            ORDER BY pc.id ASC"
                    )
                    ->setParameter('start', $start)
                    ->setParameter('end', $end)
                    ->setParameter('id', $id)
                    ->getResult();

        $pCounter = array();

        $size = sizeof($printerCounter)-1;

        foreach ($printerCounter as $counter)
        {
            $pCounter['prints'] = $printerCounter[$size]['prints'] - $printerCounter[0]['prints'];
            $pCounter['blackInk'] = $counter['blackInk'];
            $pCounter['coloredInk'] = $counter['coloredInk'];
        }

        $printer = $em->getRepository('CocarBundle:Printer')->find($id);

        return array(
            "printer" => $printer,
            "printerCounter" => $pCounter,
            "form" => $this->createCalendarForm($id, new \DateTime(date("Y-m-d", $start)), new \DateTime(date("Y-m-d", $end)))->createView(),
            "start" => $start,
            "end" => $end
        );
    }

    /**
     * Creates a form to reports
     *
     * @param mixed $id The entity id
     *
     * @return \Symfony\Component\Form\Form The form
     */
    private function createCalendarForm($id, $start, $end)
    {
        return $this->createFormBuilder()
            ->add('startDate', 'date', array('widget' => 'single_text', 'data' => $start))
            ->add('endDate', 'date', array('widget' => 'single_text', 'data' => $end))
            ->add('printer', 'hidden', array(
                    'data' => $id
            ))
            ->getForm();
    }

    public function totalizer()
    {
        $printers = $this->em->getRepository('CocarBundle:Printer')->findAll();

        foreach($printers as $printer)
        {
            try
            {
                $community = $printer->getCommunitySnmpPrinter();
                $host = $printer->getHost();

                $com = "snmpwalk -O qv -v 1 -c $community $host 1.3.6.1.2.1.43.10.2.1.4.1.1";

                if($outPut = shell_exec($com))
                {
                    $this->updateCounter($printer, $outPut);
                    #$this->createOrUpdateGraph($printer, $outPut);
                }
            }
            catch(Exception $e)
            {
                #return new Response($e->getMessage());
            }
        }
        return new Response();
    }

    /**
    * Update table by id
    */
    private function updateCounter($printer, $prints)
    {
        try
        {
            $counter = new PrinterCounter;

            $counter->setPrinter($printer);
            $counter->setPrints($prints);
            $counter->setDate(time());

            $this->em->persist($counter);
            $this->em->flush();
        }
        catch(\Exception $e)
        {
            return false;
        }
        return true;
    }

    /**
    * Update graphic counter by id
    */
    private function createOrUpdateGraph($printer, $prints)
    {
        try
        {
            $this->dir = $this->get('kernel')->getRootDir() . "/../web/rrd/graficos/";

            $arqRrd = $this->dir . "printer_" . $printer->getId() . '.rrd';

            if (!file_exists($arqRrd))
                $this->createRrd($arqRrd);
            $this->updateRrd($arqRrd, $prints);

        } 
        catch(\Exception $e)
        {
            return false;
        }
        return true;
    }

    public function createRrd($arqRrd)
    {
        $create = "rrdtool create $arqRrd --step 60 " .
                    "DS:ds0:COUNTER:120:0:125000000 " .
                    "DS:ds1:COUNTER:120:0:125000000 " .
                    "RRA:AVERAGE:0.5:1:4320 " .
                    "RRA:AVERAGE:0.5:5:2016 " .
                    "RRA:AVERAGE:0.5:20:2232 " .
                    "RRA:AVERAGE:0.5:90:2976 " .
                    "RRA:AVERAGE:0.5:360:1460 " .
                    "RRA:AVERAGE:0.5:1440:730 " .
                    "RRA:MAX:0.5:1:4320 " .
                    "RRA:MAX:0.5:5:2016 " .
                    "RRA:MAX:0.5:20:2232 " .
                    "RRA:MAX:0.5:90:2976 " .
                    "RRA:MAX:0.5:360:1460 " .
                    "RRA:MAX:0.5:1440:730";
                    echo $create;die;
        shell_exec($create);
    }

    public function updateRrd($arqRrd, $prints, $date = null)
    {
        $date = empty($date) ? date('U') : $date;
        shell_exec("rrdtool update $arqRrd $date:$prints:0");
    }
}