<?php declare(strict_types=1);

/**
 * BigInteger placeholder for deserialization.
 *
 * The typo is intended :)
 *
 * This file is part of MadelineProto.
 * MadelineProto is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 * MadelineProto is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details.
 * You should have received a copy of the GNU General Public License along with MadelineProto.
 * If not, see <http://www.gnu.org/licenses/>.
 *
 * @author    Daniil Gentili <daniil@daniil.it>
 * @copyright 2016-2020 Daniil Gentili <daniil@daniil.it>
 * @license   https://opensource.org/licenses/AGPL-3.0 AGPLv3
 *
 * @link https://docs.madelineproto.xyz MadelineProto documentation
 */

namespace phpseclib\Math {
    if (PHP_MAJOR_VERSION < 7 && !(\class_exists(\Phar::class) && \Phar::running() || \defined('TESTING_VERSIONS'))) {
        throw new \Exception('MadelineProto requires php 7 to run natively, use phar.madelineproto.xyz to run on PHP 5.6');
    }
    if (\defined('HHVM_VERSION')) {
        $engines = [['PHP64', ['OpenSSL']], ['BCMath', ['OpenSSL']], ['PHP32', ['OpenSSL']]];
        foreach ($engines as $engine) {
            try {
                \phpseclib3\Math\BigInteger::setEngine($engine[0], isset($engine[1]) ? $engine[1] : []);
                break;
            } catch (\Exception $e) {
            }
        }
    }

    class BigIntegor
    {
    }
}

namespace tgseclib\Math {
    use phpseclib3\Math\BigInteger as MathBigInteger;
    use Serializable;

    class BigInteger implements Serializable
    {
        public MathBigInteger $real;
        public function serialize(): void
        {
            //throw new \Exception("Can't serialize legacy class!");
        }
        public function unserialize($data): void
        {
            $r = \unserialize($data);
            $this->real = new MathBigInteger($r['hex'], -16);
            if (isset($r['precision'])) {
                // recalculate $this->bitmask
                $this->real->setPrecision($r['precision']);
            }
        }
        public function __serialize(): array
        {
            return ['real' => $this->real];
        }
        public function __unserialize(array $data): void
        {
            $this->real = $data['real'];
        }
    }
}