class Token {
    private $tokenValue;
    private $expirationDate;
    private $isPermanent;

    public function __construct($tokenValue, $expirationDate, $isPermanent = false) {
        $this->tokenValue = $tokenValue;
        $this->expirationDate = $expirationDate;
        $this->isPermanent = $isPermanent;
    }

    public function getTokenValue() {
        return $this->tokenValue;
    }

    public function getExpirationDate() {
        return $this->expirationDate;
    }

    public function isPermanent() {
        return $this->isPermanent;
    }

    public function saveToDatabase($pdo) {
        $stmt = $pdo->prepare("INSERT INTO tokens (token_value, expiration_date, is_permanent) VALUES (:tokenValue, :expirationDate, :isPermanent)");
        $stmt->execute([
            ':tokenValue' => $this->tokenValue,
            ':expirationDate' => $this->expirationDate,
            ':isPermanent' => $this->isPermanent
        ]);
    }

    public static function retrieveFromDatabase($pdo, $tokenValue) {
        $stmt = $pdo->prepare("SELECT * FROM tokens WHERE token_value = :tokenValue");
        $stmt->execute([':tokenValue' => $tokenValue]);
        return $stmt->fetch(PDO::FETCH_ASSOC);
    }
}