<?php

namespace Pheanstalk\Command;

use Pheanstalk\ResponseParser;

/**
 * The 'use' command.
 *
 * The "use" command is for producers. Subsequent put commands will put jobs into
 * the tube specified by this command. If no use command has been issued, jobs
 * will be put into the tube named "default".
 *
 * @author Paul Annesley
 * @package Pheanstalk
 * @license http://www.opensource.org/licenses/mit-license.php
 */
class UseCommand
    extends AbstractCommand
    implements \Pheanstalk\ResponseParser
{
    /**
     * @var string
     */
    private $_tube;

    /**
     * @param string $tube The name of the tube to use
     */
    public function __construct($tube)
    {
        $this->_tube = $tube;
    }

    /* (non-phpdoc)
     * @see Command::getCommandLine()
     */
    public function getCommandLine()
    {
        return 'use '.$this->_tube;
    }

    /* (non-phpdoc)
     * @see ResponseParser::parseResponse()
     */
    public function parseResponse($responseLine, $responseData)
    {
        return $this->_createResponse('USING', array(
            'tube' => preg_replace('#^USING (.+)$#', '$1', $responseLine)
        ));
    }
}