<?php
/**
* Copyright since 2023 Waynet Sp. z o.o.
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.md.
* It is also available through the world-wide-web at this URL:
* https://opensource.org/licenses/OSL-3.0
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to kontakt@waynet.pl so we can send you a copy immediately.
*
* @author    Waynet Sp. z o.o. <kontakt@waynet.pl>
* @copyright since 2023 Waynet Sp. z o.o.
* @license   https://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
*/

declare(strict_types=1);

namespace Waynet\OAuth2\Client\Token;

abstract class AccessToken implements AccessTokenInterface
{
    private $token;
    private $expiresAt;
    private $refreshToken;

    public function __construct(
        string $token,
        int $expiresAt = null,
        string $refreshToken = null
    ) {
        $this->token = $token;
        $this->expiresAt = $expiresAt;
        $this->refreshToken = $refreshToken;
    }

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

    public function getToken(): string
    {
        return $this->token;
    }

    public function getRefreshToken(): ?string
    {
        return $this->refreshToken;
    }

    public function isExpired(): bool
    {
        if (null === $this->expiresAt) {
            return false;
        }

        return time() >= $this->expiresAt;
    }

    public function getExpiresAt(): ?int
    {
        return $this->expiresAt;
    }
}