<?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\Component\Console\Input\InputArgument;

use Symfony\Component\Console\Input\InputOption;

use Symfony\Component\Console\Input\InputInterface;

use Symfony\Component\Console\Output\OutputInterface;

use Symfony\Component\Console\Output\Output;

/**

 * Command that places bundle web assets into a given directory.

 *

 * @author Fabien Potencier <fabien@symfony.com>

 */

class AssetsInstallCommand extends ContainerAwareCommand

{

    /**

     * @see Command

     */

    protected function configure()

    {

        $this

            ->setDefinition(array(

                new InputArgument('target', InputArgument::REQUIRED, 'The target directory (usually "web")'),

            ))

            ->addOption('symlink', null, InputOption::VALUE_NONE, 'Symlinks the assets instead of copying it')

            ->setDescription('Install bundles web assets under a public web directory')

            ->setHelp(<<<EOT

The <info>assets:install</info> command installs bundle assets into a given

directory (e.g. the web directory).

<info>php app/console assets:install web [--symlink]</info>

A "bundles" directory will be created inside the target directory, and the

"Resources/public" directory of each bundle will be copied into it.

To create a symlink to each bundle instead of copying its assets, use the

<info>--symlink</info> option.

EOT

            )

            ->setName('assets:install')

        ;

    }

    /**

     * @see Command

     *

     * @throws \InvalidArgumentException When the target directory does not exist

     */

    protected function execute(InputInterface $input, OutputInterface $output)

    {

        if (!is_dir($input->getArgument('target'))) {

            throw new \InvalidArgumentException(sprintf('The target directory "%s" does not exist.', $input->getArgument('target')));

        }

        if (!function_exists('symlink') && $input->getOption('symlink')) {

            throw new \InvalidArgumentException('The symlink() function is not available on your system. You need to install the assets without the --symlink option.');

        }

        $filesystem = $this->getContainer()->get('filesystem');

        // Create the bundles directory otherwise symlink will fail.

        $filesystem->mkdir($input->getArgument('target').'/bundles/', 0777);

        foreach ($this->getContainer()->get('kernel')->getBundles() as $bundle) {

            if (is_dir($originDir = $bundle->getPath().'/Resources/public')) {

                $targetDir = $input->getArgument('target').'/bundles/'.preg_replace('/bundle$/', '', strtolower($bundle->getName()));

                $output->writeln(sprintf('Installing assets for <comment>%s</comment> into <comment>%s</comment>', $bundle->getNamespace(), $targetDir));

                $filesystem->remove($targetDir);

                if ($input->getOption('symlink')) {

                    $filesystem->symlink($originDir, $targetDir);

                } else {

                    $filesystem->mkdir($targetDir, 0777);

                    $filesystem->mirror($originDir, $targetDir);

                }

            }

        }

    }

}