<?php

declare(strict_types=1);

/**
 * @copyright Copyright (c) 2020, Daniel Kesselberg <mail@danielkesselberg.de>
 *
 * @author Joas Schilling <coding@schilljs.com>
 * @author Daniel Kesselberg <mail@danielkesselberg.de>
 *
 * @license AGPL-3.0-or-later
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 */

namespace OCA\Notifications\Listener;

use OCA\Notifications\Handler;
use OCA\Notifications\Model\SettingsMapper;
use OCP\EventDispatcher\Event;
use OCP\EventDispatcher\IEventListener;
use OCP\User\Events\UserDeletedEvent;

/**
 * @template-implements IEventListener<Event|UserDeletedEvent>
 */
class UserDeletedListener implements IEventListener {
	private Handler $handler;
	private SettingsMapper $settingsMapper;

	public function __construct(
		Handler $handler,
		SettingsMapper $settingsMapper,
	) {
		$this->handler = $handler;
		$this->settingsMapper = $settingsMapper;
	}

	public function handle(Event $event): void {
		if (!($event instanceof UserDeletedEvent)) {
			// Unrelated
			return;
		}

		$user = $event->getUser();
		$this->handler->deleteByUser($user->getUID());
		$this->settingsMapper->deleteSettingsByUser($user->getUID());
	}
}
