<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Bundle\FrameworkBundle\Command;

use Symfony\Bundle\FrameworkBundle\Console\Helper\DescriptorHelper;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Routing\RouterInterface;

/**
 * A console command for retrieving information about routes
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Tobias Schultze <http://tobion.de>
 */
class RouterDebugCommand extends ContainerAwareCommand
{
    /**
     * {@inheritdoc}
     */
    public function isEnabled()
    {
        if (!$this->getContainer()->has('router')) {
            return false;
        }
        $router = $this->getContainer()->get('router');
        if (!$router instanceof RouterInterface) {
            return false;
        }

        return parent::isEnabled();
    }

    /**
     * {@inheritdoc}
     */
    protected function configure()
    {
        $this
            ->setName('router:debug')
            ->setDefinition(array(
                new InputArgument('name', InputArgument::OPTIONAL, 'A route name'),
                new InputOption('show-controllers', null,  InputOption::VALUE_NONE, 'Show assigned controllers in overview'),
                new InputOption('format', null, InputOption::VALUE_REQUIRED, 'To output route(s) in other formats'),
                new InputOption('raw', null, InputOption::VALUE_NONE, 'To output raw route(s)'),
            ))
            ->setDescription('Displays current routes for an application')
            ->setHelp(<<<EOF
The <info>%command.name%</info> displays the configured routes:

  <info>php %command.full_name%</info>
EOF
            )
        ;
    }

    /**
     * {@inheritdoc}
     *
     * @throws \InvalidArgumentException When route does not exist
     */
    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $name = $input->getArgument('name');
        $helper = new DescriptorHelper();

        if ($name) {
            $route = $this->getContainer()->get('router')->getRouteCollection()->get($name);
            if (!$route) {
                throw new \InvalidArgumentException(sprintf('The route "%s" does not exist.', $name));
            }
            $helper->describe($output, $route, $input->getOption('format'), $input->getOption('raw'), array('name' => $name));
        } else {
            $routes = $this->getContainer()->get('router')->getRouteCollection();
            $helper->describe($output, $routes, array(
                'format'           => $input->getOption('format'),
                'raw_text'         => $input->getOption('raw'),
                'show_controllers' => $input->getOption('show-controllers'),
            ));
        }
    }
}