<?php

declare (strict_types=1);
/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2014-2021 Spomky-Labs
 *
 * This software may be modified and distributed under the terms
 * of the MIT license.  See the LICENSE file for details.
 */
namespace RSSProVendor\Webauthn;

use RSSProVendor\Assert\Assertion;
use JsonSerializable;
use function RSSProVendor\Safe\json_decode;
class PublicKeyCredentialParameters implements JsonSerializable
{
    /**
     * @var string
     */
    private $type;
    /**
     * @var int
     */
    private $alg;
    public function __construct(string $type, int $alg)
    {
        $this->type = $type;
        $this->alg = $alg;
    }
    public function getType(): string
    {
        return $this->type;
    }
    public function getAlg(): int
    {
        return $this->alg;
    }
    public static function createFromString(string $data): self
    {
        $data = json_decode($data, \true);
        Assertion::isArray($data, 'Invalid data');
        return self::createFromArray($data);
    }
    /**
     * @param mixed[] $json
     */
    public static function createFromArray(array $json): self
    {
        Assertion::keyExists($json, 'type', 'Invalid input. "type" is missing.');
        Assertion::string($json['type'], 'Invalid input. "type" is not a string.');
        Assertion::keyExists($json, 'alg', 'Invalid input. "alg" is missing.');
        Assertion::integer($json['alg'], 'Invalid input. "alg" is not an integer.');
        return new self($json['type'], $json['alg']);
    }
    /**
     * @return mixed[]
     */
    public function jsonSerialize(): array
    {
        return ['type' => $this->type, 'alg' => $this->alg];
    }
}
