<?php

/**
 * This file is part of the CodeIgniter 4 framework.
 *
 * (c) CodeIgniter Foundation <admin@codeigniter.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace CodeIgniter\CLI;

use CodeIgniter\Controller;
use Config\Services;
use ReflectionException;

/**
 * Command runner
 */
class CommandRunner extends Controller
{
	/**
	 * Instance of class managing the collection of commands
	 *
	 * @var Commands
	 */
	protected $commands;

	/**
	 * Constructor
	 */
	public function __construct()
	{
		$this->commands = Services::commands();
	}

	/**
	 * We map all un-routed CLI methods through this function
	 * so we have the chance to look for a Command first.
	 *
	 * @param string $method
	 * @param array  ...$params
	 *
	 * @return mixed
	 * @throws ReflectionException
	 */
	public function _remap($method, ...$params)
	{
		// The first param is usually empty, so scrap it.
		if (empty($params[0]))
		{
			array_shift($params);
		}

		return $this->index($params);
	}

	/**
	 * Default command.
	 *
	 * @param array $params
	 *
	 * @return mixed
	 * @throws ReflectionException
	 */
	public function index(array $params)
	{
		$command = array_shift($params) ?? 'list';

		return $this->commands->run($command, $params);
	}

	/**
	 * Allows access to the current commands that have been found.
	 *
	 * @return array
	 */
	public function getCommands(): array
	{
		return $this->commands->getCommands();
	}
}