<?php

/**
 * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */
namespace OCA\SystemTags\Controller;

use OCP\AppFramework\Controller;
use OCP\AppFramework\Http\Attribute\NoAdminRequired;
use OCP\AppFramework\Http\DataResponse;
use OCP\IConfig;
use OCP\IRequest;
use OCP\IUserSession;

class LastUsedController extends Controller {

	/**
	 * @param string $appName
	 * @param IRequest $request
	 * @param IConfig $config
	 * @param IUserSession $userSession
	 */
	public function __construct(
		$appName,
		IRequest $request,
		protected IConfig $config,
		protected IUserSession $userSession,
	) {
		parent::__construct($appName, $request);
	}

	#[NoAdminRequired]
	public function getLastUsedTagIds() {
		$lastUsed = $this->config->getUserValue($this->userSession->getUser()->getUID(), 'systemtags', 'last_used', '[]');
		$tagIds = json_decode($lastUsed, true);
		return new DataResponse(array_map(function ($id) {
			return (string)$id;
		}, $tagIds));
	}
}