import { Schema } from "effect";
import { userIdentity } from "$lib/Data/AniList/identity";
import {
	getUserPreferences,
	setBiography,
	setCSS,
	setPinnedBadgeWallCategories,
	toggleHideAWCBadges,
	toggleHideMissingBadges,
	togglePinnedBadgeWallCategory,
} from "$lib/Database/SB/User/preferences";
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 ({ url }) => {
	const requestedUserId = Number(url.searchParams.get("id") || 0);

	const preferences = await getUserPreferences(requestedUserId);

	return Response.json(preferences ? preferences : {}, {
		headers: appOriginHeaders(),
	});
};

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

	if (!userId) return unauthorised;

	if (url.searchParams.get("toggleHideMissingBadges") !== null)
		return Response.json(await toggleHideMissingBadges(userId), {
			headers: appOriginHeaders(),
		});

	if (url.searchParams.get("toggleHideAWCBadges") !== null)
		return Response.json(await toggleHideAWCBadges(userId), {
			headers: appOriginHeaders(),
		});

	if (url.searchParams.get("badgeWallCSS") !== null)
		return Response.json(await setCSS(userId, await request.text()), {
			headers: appOriginHeaders(),
		});

	if (url.searchParams.get("toggleCategory") !== null)
		return Response.json(
			await togglePinnedBadgeWallCategory(
				userId,
				url.searchParams.get("toggleCategory") || "",
			),
			{
				headers: appOriginHeaders(),
			},
		);

	if (url.searchParams.get("setCategories") !== null)
		return Response.json(
			await setPinnedBadgeWallCategories(userId, [
				...(await decodeRequestJsonOrThrow(
					request,
					Schema.Array(Schema.String),
				)),
			]),
			{
				headers: appOriginHeaders(),
			},
		);

	if (url.searchParams.get("biography") !== null)
		return Response.json(
			await setBiography(userId, (await request.text()).slice(0, 3000)),
			{
				headers: appOriginHeaders(),
			},
		);

	return Response.json(
		await getUserPreferences(Number(url.searchParams.get("id") || 0)),
		{
			headers: appOriginHeaders(),
		},
	);
};