chevere/chevere

<?php

/*
 * This file is part of Chevere.
 *
 * (c) Rodolfo Berrios <rodolfo@chevere.org>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

declare(strict_types=1);

namespace Chevere\Cache;

use Chevere\Cache\Interfaces\CacheKeyInterface;
use Chevere\Message\Message;
use Chevere\Throwable\Exceptions\InvalidArgumentException;

final class CacheKey implements CacheKeyInterface
{
    public function __construct(
        private string $key
    ) {
        $this->assertKey();
    }

    public function __toString(): string
    {
        return $this->key;
    }

    private function assertKey(): void
    {
        if (preg_match_all('#[' . CacheKeyInterface::ILLEGAL_KEY_CHARACTERS . ']#', $this->key, $matches)) {
            // @infection-ignore-all
            $forbidden = implode(' ', array_unique($matches[0]));

            throw new InvalidArgumentException(
                (new Message('Use of forbidden characters %character%'))
                    ->code('%character%', $forbidden)
            );
        }
    }
}