/* Hook to update the locale on server requests.
 * Copyright (C) 2024 André Jaenisch
 * SPDX-FileCopyrightText: 2024 André Jaenisch
 * SPDX-License-Identifier: 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/>.
 */

import type { Handle } from '@sveltejs/kit';
import { locale } from 'svelte-i18n';

export const handle: Handle = async ({ event, resolve }) => {
	const [lang] = event.request.headers.get('accept-language')?.split(',');
	if (lang) {
		locale.set(lang);
	}

	return resolve(event);
};