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<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/

namespace phpbb\di\extension;

use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\HttpKernel\DependencyInjection\Extension;

/**
* Container config extension
*/
class config extends Extension
{
	/** @var array */
	protected $config_php;

	public function __construct(\phpbb\config_php_file $config_php)
	{
		$this->config_php = $config_php;
	}

	/**
	* Loads a specific configuration.
	*
	* @param array            $config    An array of configuration values
	* @param ContainerBuilder $container A ContainerBuilder instance
	*
	* @throws \InvalidArgumentException When provided tag is not defined in this extension
	*/
	public function load(array $config, ContainerBuilder $container)
	{
		$parameters = array(
			'core.adm_relative_path'	=> $this->config_php->get('phpbb_adm_relative_path') ? $this->config_php->get('phpbb_adm_relative_path') : 'adm/',
			'core.table_prefix'			=> $this->config_php->get('table_prefix'),
			'cache.driver.class'		=> $this->convert_30_acm_type($this->config_php->get('acm_type')),
			'dbal.driver.class'			=> $this->config_php->convert_30_dbms_to_31($this->config_php->get('dbms')),
			'dbal.dbhost'				=> $this->config_php->get('dbhost'),
			'dbal.dbuser'				=> $this->config_php->get('dbuser'),
			'dbal.dbpasswd'				=> $this->config_php->get('dbpasswd'),
			'dbal.dbname'				=> $this->config_php->get('dbname'),
			'dbal.dbport'				=> $this->config_php->get('dbport'),
			'dbal.new_link'				=> defined('PHPBB_DB_NEW_LINK') && PHPBB_DB_NEW_LINK,
		);
		$parameter_bag = $container->getParameterBag();

		foreach ($parameters as $parameter => $value)
		{
			$container->setParameter($parameter, $parameter_bag->escapeValue($value));
		}
	}

	/**
	* Returns the recommended alias to use in XML.
	*
	* This alias is also the mandatory prefix to use when using YAML.
	*
	* @return string The alias
	*/
	public function getAlias()
	{
		return 'config';
	}

	/**
	* Convert 3.0 ACM type to 3.1 cache driver class name
	*
	* @param string $acm_type ACM type
	* @return string cache driver class
	*/
	protected function convert_30_acm_type($acm_type)
	{
		if (preg_match('#^[a-z]+$#', $acm_type))
		{
			return 'phpbb\\cache\\driver\\' . $acm_type;
		}

		return $acm_type;
	}
}