<?php

declare(strict_types=1);

namespace Scheb\TwoFactorBundle\Model\Google;

interface TwoFactorInterface
{
    /**
     * Return true if the user should do two-factor authentication.
     */
    public function isGoogleAuthenticatorEnabled(): bool;

    /**
     * Return the user name.
     */
    public function getGoogleAuthenticatorUsername(): string;

    /**
     * Return the Google Authenticator secret
     * When an empty string is returned, the Google authentication is disabled.
     */
    public function getGoogleAuthenticatorSecret(): ?string;
}