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<?php

declare(strict_types=1);

namespace Kreait\Firebase;

use Kreait\Firebase\AppCheck\ApiClient;
use Kreait\Firebase\AppCheck\AppCheckToken;
use Kreait\Firebase\AppCheck\AppCheckTokenGenerator;
use Kreait\Firebase\AppCheck\AppCheckTokenOptions;
use Kreait\Firebase\AppCheck\AppCheckTokenVerifier;
use Kreait\Firebase\AppCheck\VerifyAppCheckTokenResponse;

use function is_array;

/**
 * @internal
 */
final class AppCheck implements Contract\AppCheck
{
    public function __construct(
        private readonly ApiClient $client,
        private readonly AppCheckTokenGenerator $tokenGenerator,
        private readonly AppCheckTokenVerifier $tokenVerifier,
    ) {
    }

    public function createToken(string $appId, $options = null): AppCheckToken
    {
        if (is_array($options)) {
            $options = AppCheckTokenOptions::fromArray($options);
        }

        $customToken = $this->tokenGenerator->createCustomToken($appId, $options);
        $result = $this->client->exchangeCustomToken($appId, $customToken);

        return AppCheckToken::fromArray($result);
    }

    public function verifyToken(string $appCheckToken): VerifyAppCheckTokenResponse
    {
        $decodedToken = $this->tokenVerifier->verifyToken($appCheckToken);

        return new VerifyAppCheckTokenResponse($decodedToken->app_id, $decodedToken);
    }
}