<?php

declare(strict_types=1);

namespace Pfatt\Commands;

use Pfatt\Config;
use Pfatt\Logger;
use Pfatt\NgController;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Logger\ConsoleLogger;
use Symfony\Component\Console\Output\OutputInterface;

final class Monitor extends Command
{
    protected static $defaultName = 'monitor';
    protected static $defaultDescription = 'Monitor connection to trigger 5268AC updates';
    protected Config $config;
    protected Logger $logger;
    protected NgController $ngControl;

    protected function configure(): void
    {
        // @todo Inject these. Maybe with a factory or container.
        $this->config = new Config('', '', '');
        $this->logger = new Logger('pfatt-5268AC');
        $this->ngControl = new NgController($this->logger);
    }

    /**
     * {@inheritDoc}
     */
    protected function execute(InputInterface $input, OutputInterface $output): int
    {
        $this->logger->setOutput($output);

        $this->logger->info('Starting 5268AC ping monitor ...');
        register_shutdown_function(function () { $this->logger->info('Stopping 5268AC ping monitor ...'); });

        while ($input->isInteractive()) {
            if ($this->ping()) {
                $this->ngControl->ngRmHook();
            }
            elseif (!$this->ngControl->ngIsConnected()) {
                $this->ngControl->ngConnect();
            }
            sleep(5);
        }
        return Command::SUCCESS;
    }

    private function ping(): int
    {
        $process = proc_open('/sbin/ping -t2 -q -c1 ' . $this->config->getPingHost(), [], $pipes);
        if ($process) {
            return proc_close($process);
        }
        return 1;
    }
}