/*
	SPDX-FileCopyrightText: © 2025 Hornwitser <code@hornwitser.no>
	SPDX-License-Identifier: AGPL-3.0-or-later
*/
import { readAuthenticationMethods, readUsers } from "~/server/database";

export default defineEventHandler(async (event) => {
	const runtimeConfig = useRuntimeConfig(event);
	if (!runtimeConfig.public.authDemoEnabled) {
		throw createError({
			statusCode: 403,
			statusMessage: "Forbidden",
			message: "Demo authentication is disabled",
		});
	}

	const { name: slug } = await readBody(event);

	if (typeof slug !== "string" || !slug) {
		throw createError({
			statusCode: 400,
			statusMessage: "Bad Request",
			message: "Missing name",
		});
	}

	const authMethods = await readAuthenticationMethods();
	const method = authMethods.find(method => method.provider === "demo" && method.slug === slug);
	let session;
	if (method) {
		const users = await readUsers();
		const account = users.find(user => !user.deleted && user.id === method.userId);
		session = await setServerSession(event, account);
	} else {
		session = await setServerSession(event, undefined, "demo", slug, slug);
	}
	return await serverSessionToApi(event, session);
})