<?php

/**
 * webtrees: online genealogy
 * Copyright (C) 2019 webtrees development team
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace Fisharebest\Webtrees\Contracts;

/**
 * behavior required of a user object.
 */
interface UserInterface
{
    /**
     * The user‘s internal identifier
     *
     * @return int
     */
    public function id(): int;

    /**
     * The users email address.
     *
     * @return string
     */
    public function email(): string;

    /**
     * The user‘s real name.
     *
     * @return string
     */
    public function realName(): string;

    /**
     * The user‘s login name.
     *
     * @return string
     */
    public function userName(): string;

    /**
     * @param string $setting_name
     * @param string $default
     *
     * @return string
     */
    public function getPreference(string $setting_name, string $default = ''): string;

    /**
     * @param string $setting_name
     * @param string $setting_value
     *
     * @return UserInterface
     */
    public function setPreference(string $setting_name, string $setting_value): UserInterface;
}