<?php

namespace App\Command;

use App\Entity\DeviceGroup;
use App\Entity\DeviceMaintenanceTask;
use App\Entity\Maintenance;
use App\Service\MaintenanceManagerService;
use Doctrine\ORM\EntityManager;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

class ConvertMaintenanceHashCommand extends Command
{
    /** @var EntityManager */
    private $entityManager;

    /** @var MaintenanceManagerService */
    private $maintenanceManager;

    public function __construct(EntityManager $entityManager, MaintenanceManagerService $maintenanceManagerService)
    {
        $this->entityManager = $entityManager;
        $this->maintenanceManager = $maintenanceManagerService;
        parent::__construct();
    }

    protected function configure()
    {
        $this->setName('convert:hash')
            ->setDescription('convert v1 hash to v2');
    }

    /**
     * @param InputInterface $input
     * @param OutputInterface $output
     * @return int|null|void
     * @throws \Doctrine\ORM\OptimisticLockException
     */
    protected function execute(InputInterface $input, OutputInterface $output)
    {
        /** @var DeviceGroup[] $maintGroups */
        $maintGroups = $this->maintenanceManager->getMaintenanceList();

        foreach ($maintGroups as $maintGroup) {
            foreach ($maintGroup->getDevices() as $device) {
                foreach ($device->getTasks() as $task) {
                    if(null !== ($entity = $this->entityManager->getRepository(Maintenance::class)->findOneBy([
                        'oldHash' => $task->getLegacyHash(),
                    ]))) {
                        /** @var Maintenance $entity */
                        $entity->setHash($task->getHash());
                    }
                }
            }
        }
        $this->entityManager->flush();
    }
}