import { error, fail, redirect } from '@sveltejs/kit';
import { env } from '$env/dynamic/private';
import { createApiClient } from '$lib/api.server';
import { parseBackendError, getErrorMessage } from '$lib/errors';

export async function load({
	fetch,
	locals
}: {
	fetch: typeof globalThis.fetch;
	locals: App.Locals;
}) {
	const canWrite =
		locals.user?.groups?.some((g: { permissions: string[] }) =>
			g.permissions.includes('WRITE_ALL')
		) ?? false;
	if (!canWrite) throw error(403, 'Forbidden');

	const api = createApiClient(fetch);
	const personsResult = await api.GET('/api/persons');

	if (!personsResult.response.ok) {
		return { persons: [] };
	}

	return { persons: personsResult.data };
}

export const actions = {
	default: async ({ request, fetch }) => {
		const baseUrl = env.API_INTERNAL_URL || 'http://localhost:8080';
		const formData = await request.formData();

		const res = await fetch(`${baseUrl}/api/documents`, {
			method: 'POST',
			body: formData
		});

		if (!res.ok) {
			const backendError = await parseBackendError(res);
			return fail(res.status, { error: getErrorMessage(backendError?.code) });
		}

		const created = await res.json();
		throw redirect(303, `/documents/${created.id}`);
	}
};