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<?php

namespace OldSound\RabbitMqBundle\Command;

use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

class StdInProducerCommand extends BaseRabbitMqCommand
{
    public const FORMAT_PHP = 'php';
    public const FORMAT_RAW = 'raw';

    protected function configure(): void
    {
        parent::configure();

        $this
            ->setName('rabbitmq:stdin-producer')
            ->addArgument('name', InputArgument::REQUIRED, 'Producer Name')
            ->setDescription('Executes a producer that reads data from STDIN')
            ->addOption('route', 'r', InputOption::VALUE_OPTIONAL, 'Routing Key', '')
            ->addOption('format', 'f', InputOption::VALUE_OPTIONAL, 'Payload Format', self::FORMAT_PHP)
            ->addOption('debug', 'd', InputOption::VALUE_OPTIONAL, 'Enable Debugging', false)
        ;
    }

    /**
     * Executes the current command.
     *
     * @param InputInterface  $input  An InputInterface instance
     * @param OutputInterface $output An OutputInterface instance
     *
     * @return integer 0 if everything went fine, or an error code
     */
    protected function execute(InputInterface $input, OutputInterface $output): int
    {
        define('AMQP_DEBUG', (bool) $input->getOption('debug'));

        $producer = $this->getContainer()->get(sprintf('old_sound_rabbit_mq.%s_producer', $input->getArgument('name')));

        $data = '';
        while (!feof(STDIN)) {
            $data .= fread(STDIN, 8192);
        }

        $route = $input->getOption('route');
        $format = $input->getOption('format');

        switch ($format) {
            case self::FORMAT_RAW:
                break; // data as is
            case self::FORMAT_PHP:
                $data = serialize($data);
                break;
            default:
                throw new \InvalidArgumentException(sprintf(
                    'Invalid payload format "%s", expecting one of: %s.',
                    $format,
                    implode(', ', [self::FORMAT_PHP, self::FORMAT_RAW])
                ));
        }

        $producer->publish($data, $route);

        return 0;
    }
}