import { error } from '@sveltejs/kit';
import { isLang, loadCourse } from '#lib/language-learner/courses/index.js';
import { loadDrills } from '#lib/language-learner/drills/index.js';
import type { LayoutLoad } from './$types';

export const load: LayoutLoad = async ({ params }) => {
	if (!isLang(params.lang)) error(404, 'Unknown language');
	const [course, drills] = await Promise.all([loadCourse(params.lang), loadDrills(params.lang)]);
	return { course, drills };
};