<?php

namespace App\Command;

use App\Entity\Cron;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Command\LockableTrait;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\Filesystem\Filesystem;

class CronCommand extends Command
{
    use LockableTrait;
    private $container;
    private $em;
    private $output;
    private $filesystem;
    private $rootlog;

    public function __construct(ContainerInterface $container, EntityManagerInterface $em)
    {
        parent::__construct();
        $this->container = $container;
        $this->em = $em;
    }

    protected function configure()
    {
        $this
            ->setName('app:Cron')
            ->setDescription('Execution of the cron command')
        ;
    }

    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $this->output = $output;
        $this->filesystem = new Filesystem();
        $this->rootlog = $this->container->get('kernel')->getLogDir().'/';

        if (!$this->lock()) {
            $this->output->writeln('CRON LOCK');

            return Command::FAILURE;
        }

        $crons = $this->em->getRepository('App\Entity\Cron')->toexec();

        if ($crons) {
            $now = new \DateTime();
            $this->writelnred('');
            $this->writelnred('');
            $this->writelnred('');
            $this->writelnred('');
            $this->writelnred('==========================================================================================================');
            $this->writelnred('== CRON ==================================================================================================');
            $this->writelnred('==========================================================================================================');
            $this->writeln('Date = '.$now->format('Y-m-d H:i:s'));
            $this->writeln('Application = '.$this->container->getParameter('appName'));
        }

        foreach ($crons as $cron) {
            // Id du cron
            $idcron = $cron->getId();

            // Flag d'execution en cours
            $now = new \DateTime();
            $cron->setStartexecdate($now);
            // $cron->setStatut(1);
            $this->em->flush();

            // Récupération de la commande
            $command = $this->getApplication()->find($cron->getCommand());

            // Réccuépration des parametres
            $jsonparameter = json_decode($cron->getJsonargument(), true);

            // Formater la chaine de parametre
            if (!$jsonparameter) {
                $jsonparameter = [];
            }
            $parameter = new ArrayInput($jsonparameter);

            // Executer la commande
            try {
                $returnCode = $command->run($parameter, $output);
            } catch (\Exception $e) {
                $this->writelnred('JOB EN ERREUR .'.$e->getMessage());
                $returnCode = Command::FAILURE;
            }

            // Flag de fin d'execution
            $now = new \DateTime();
            $cron->setEndexecdate($now);

            // Si interval par heure
            if (0 == fmod($cron->getRepeatinterval(), 3600)) {
                $next = clone $cron->getNextexecdate();
            } else {
                $next = new \DateTime();
            }

            $next->add(new \DateInterval('PT'.$cron->getRepeatinterval().'S'));
            $cron->setNextexecdate($next);

            // Statut OK/KO
            $cron->setStatut(Command::FAILURE == $returnCode ? 0 : 1);
            $this->em->flush();
        }

        if ($crons) {
            $this->writelnred('==');
            $this->writelnred('FIN CRON');
            $this->writelnred('==');
            $this->writelnred('');
        }

        return Command::SUCCESS;
    }

    private function writelnred($string)
    {
        $this->output->writeln('<fg=red>'.$string.'</>');
        $this->filesystem->appendToFile($this->rootlog.'cron.log', $string."\n");
    }

    private function writeln($string)
    {
        $this->output->writeln($string);
        $this->filesystem->appendToFile($this->rootlog.'cron.log', $string."\n");
    }
}