<?php
/**
 * The Mixer strategy interface.
 *
 * All mixing strategies must implement this interface
 *
 * PHP version 5.3
 *
 * @category   PHPCryptLib
 * @package    Random
 * @author     Anthony Ferrara <ircmaxell@ircmaxell.com>
 * @copyright  2011 The Authors
 * @license    http://opensource.org/licenses/bsd-license.php New BSD License
 * @license    http://www.gnu.org/licenses/lgpl-2.1.html LGPL v 2.1
 */

namespace CryptLibTest\Mocks\Random;

use CryptLib\Core\Strength\High as HighStrength;

/**
 * The Mixer strategy interface.
 *
 * All mixing strategies must implement this interface
 *
 * @category   PHPCryptLib
 * @package    Random
 * @author     Anthony Ferrara <ircmaxell@ircmaxell.com>
 */
class Mixer extends \CryptLibTest\Mocks\AbstractMock implements \CryptLib\Random\Mixer {

    public static $strength = null;

    public static $test = true;

    public static function init() {
        static::$strength = new HighStrength;
        static::$test = true;
    }

    /**
     * Return an instance of Strength indicating the strength of the mixer
     *
     * @return Strength An instance of one of the strength classes
     */
    public static function getStrength() {
        return static::$strength;
    }

    /**
     * Test to see if the mixer is available
     *
     * @return boolean If the mixer is available on the system
     */
    public static function test() {
        return static::$test;
    }

    /**
     * Mix the provided array of strings into a single output of the same size
     *
     * All elements of the array should be the same size.
     *
     * @param array $parts The parts to be mixed
     *
     * @return string The mixed result
     */
    public function mix(array $parts) {
        return $this->__call('mix', array($parts));
    }

}