import { Schema } from "effect";
import { userIdentity } from "$lib/Data/AniList/identity";
import {
	deleteUserConfiguration,
	getUserConfiguration,
	setUserConfiguration,
} from "$lib/Database/SB/User/configuration";
import { decodeAuthCookieOrThrow } from "$lib/Effect/authCookie";
import { decodeRequestJsonOrThrow } from "$lib/Effect/requestBody";
import { appOriginHeaders } from "$lib/Utility/appOrigin";

const unauthorised = new Response("Unauthorised", { status: 401 });

const authenticatedUserId = async (cookies: {
	get: (name: string) => string | undefined;
}) => {
	const userCookie = cookies.get("user");

	if (!userCookie) return null;

	return (await userIdentity(decodeAuthCookieOrThrow(userCookie))).id;
};

export const GET = async ({ cookies, url }) => {
	const userId = await authenticatedUserId(cookies);
	const requestedUserId = Number(url.searchParams.get("id") || 0);

	if (!userId || requestedUserId !== userId) return unauthorised;

	return Response.json(await getUserConfiguration(requestedUserId), {
		headers: appOriginHeaders(),
	});
};

export const PUT = async ({ cookies, request }) => {
	const userId = await authenticatedUserId(cookies);

	if (!userId) return unauthorised;

	return Response.json(
		await setUserConfiguration(userId, {
			configuration: await decodeRequestJsonOrThrow(
				request,
				Schema.Record(Schema.String, Schema.Unknown),
			),
		}),
		{
			headers: appOriginHeaders(),
		},
	);
};

export const DELETE = async ({ cookies }) => {
	const userId = await authenticatedUserId(cookies);

	if (!userId) return unauthorised;

	return Response.json(await deleteUserConfiguration(userId), {
		headers: appOriginHeaders(),
	});
};