<?php


namespace Symfony\Component\Console;

use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;


class SingleCommandApplication extends Command
{
    private string $version = 'UNKNOWN';
    private bool $autoExit = true;
    private bool $running = false;

    
    public function setVersion(string $version): static
    {
        $this->version = $version;

        return $this;
    }

    
    public function setAutoExit(bool $autoExit): static
    {
        $this->autoExit = $autoExit;

        return $this;
    }

    public function run(?InputInterface $input = null, ?OutputInterface $output = null): int
    {
        if ($this->running) {
            return parent::run($input, $output);
        }

        
        $application = new Application($this->getName() ?: 'UNKNOWN', $this->version);
        $application->setAutoExit($this->autoExit);
        
        $this->setName($_SERVER['argv'][0]);
        $application->add($this);
        $application->setDefaultCommand($this->getName(), true);

        $this->running = true;
        try {
            $ret = $application->run($input, $output);
        } finally {
            $this->running = false;
        }

        return $ret ?? 1;
    }
}