familienarchiv/frontend/src/routes/+page.server.ts

import { redirect } from '@sveltejs/kit';
import { createApiClient } from '$lib/api.server';

export async function load({ url, fetch }) {
	const q = url.searchParams.get('q') || '';
	const from = url.searchParams.get('from') || '';
	const to = url.searchParams.get('to') || '';
	const senderId = url.searchParams.get('senderId') || '';
	const receiverId = url.searchParams.get('receiverId') || '';
	const tags = url.searchParams.getAll('tag');

	const api = createApiClient(fetch);

	try {
		const [docsResult, personsResult, incompleteCountResult] = await Promise.all([
			api.GET('/api/documents/search', {
				params: {
					query: {
						q: q || undefined,
						from: from || undefined,
						to: to || undefined,
						senderId: senderId || undefined,
						receiverId: receiverId || undefined,
						tag: tags.length ? tags : undefined
					}
				}
			}),
			api.GET('/api/persons'),
			api.GET('/api/documents/incomplete-count')
		]);

		if (docsResult.response.status === 401 || personsResult.response.status === 401) {
			throw redirect(302, '/login');
		}

		const documents = docsResult.data ?? [];
		const allPersons: { id: string; firstName: string; lastName: string }[] =
			personsResult.data ?? [];

		const senderObj = allPersons.find((p) => p.id === senderId);
		const receiverObj = allPersons.find((p) => p.id === receiverId);

		const incompleteCount = incompleteCountResult.response.ok
			? (incompleteCountResult.data?.count ?? 0)
			: 0;

		return {
			documents,
			incompleteCount,
			initialValues: {
				senderName: senderObj ? `${senderObj.firstName} ${senderObj.lastName}` : '',
				receiverName: receiverObj ? `${receiverObj.firstName} ${receiverObj.lastName}` : ''
			},
			filters: { q, from, to, senderId, receiverId, tags },
			error: null as string | null
		};
	} catch (e) {
		if ((e as { status?: number }).status) throw e;
		console.error('Error loading data:', e);
		return {
			documents: [],
			incompleteCount: 0,
			initialValues: { senderName: '', receiverName: '' },
			filters: { q, from, to, senderId, receiverId, tags },
			error: 'Daten konnten nicht geladen werden.' as string | null
		};
	}
}