<?php



/**

 * This file is part of the ramsey/uuid library

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 *

 * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>

 * @license http://opensource.org/licenses/MIT MIT

 */



declare(strict_types=1);



namespace Ramsey\Uuid\Generator;



use Ramsey\Uuid\Exception\NameException;

use Ramsey\Uuid\UuidInterface;



use function sprintf;

use function uuid_generate_md5;

use function uuid_generate_sha1;

use function uuid_parse;



/**

 * PeclUuidNameGenerator generates strings of binary data from a namespace and a

 * name, using ext-uuid

 *

 * @link https://pecl.php.net/package/uuid ext-uuid

 */

class PeclUuidNameGenerator implements NameGeneratorInterface

{

    /** @psalm-pure */

    public function generate(UuidInterface $ns, string $name, string $hashAlgorithm): string

    {

        switch ($hashAlgorithm) {

            case 'md5':

                $uuid = uuid_generate_md5($ns->toString(), $name);



                break;

            case 'sha1':

                $uuid = uuid_generate_sha1($ns->toString(), $name);



                break;

            default:

                throw new NameException(sprintf(

                    'Unable to hash namespace and name with algorithm \'%s\'',

                    $hashAlgorithm

                ));

        }



        return uuid_parse($uuid);

    }

}

