import { env } from '$env/dynamic/private';
import type { PageServerLoad } from './$types';

const resolveErrorMessage = (value: string | null): string | null => {
	if (!value) return null;
	if (value === 'CredentialsSignin') return 'Invalid credentials';
	return null;
};

export const load: PageServerLoad = async ({ url }) => {
	const authUrl = process.env.AUTH_URL ?? env.AUTH_URL ?? '';
	const localAuthEnabled = (process.env.LOCAL_AUTH_ENABLED ?? env.LOCAL_AUTH_ENABLED) === 'true';
	const appRoot = authUrl.replace(/\/auth$/, '');

	return {
		signinUrl: `${authUrl}/signin/synology`,
		localSigninUrl: `${authUrl}/callback/local`,
		callbackUrl: appRoot,
		localAuthEnabled,
		error: resolveErrorMessage(url.searchParams.get('error'))
	};
};