<?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\controller;

use Symfony\Component\Routing\RouteCollection;
use Symfony\Component\Routing\Loader\YamlFileLoader;
use Symfony\Component\Config\FileLocator;

/**
* Controller interface
*/
class provider
{
	/**
	* YAML file(s) containing route information
	* @var array
	*/
	protected $routing_files;

	/**
	* Collection of the routes in phpBB and all found extensions
	* @var RouteCollection
	*/
	protected $routes;

	/**
	* Construct method
	*
	* @param array() $routing_files Array of strings containing paths
	*							to YAML files holding route information
	*/
	public function __construct($routing_files = array())
	{
		$this->routing_files = $routing_files;
	}

	/**
	* @param \phpbb\finder $finder
	* @return null
	*/
	public function find_routing_files(\phpbb\finder $finder)
	{
		// We hardcode the path to the core config directory
		// because the finder cannot find it
		$this->routing_files = array_merge($this->routing_files, array('config/routing.yml'), array_keys($finder
				->directory('/config')
				->suffix('routing.yml')
				->find()
		));
	}

	/**
	* Find a list of controllers and return it
	*
	* @param string $base_path Base path to prepend to file paths
	* @return null
	*/
	public function find($base_path = '')
	{
		$this->routes = new RouteCollection;
		foreach ($this->routing_files as $file_path)
		{
			$loader = new YamlFileLoader(new FileLocator($base_path));
			$this->routes->addCollection($loader->load($file_path));
		}

		return $this;
	}

	/**
	* Get the list of routes
	*
	* @return RouteCollection Get the route collection
	*/
	public function get_routes()
	{
		return $this->routes;
	}
}