import { json } from "@sveltejs/kit";
import type { RequestHandler } from "./$types";
import {
	account,
	githubCookies,
	githubEnv,
	GitHubUpstreamError,
	noStore,
	sessionToken
} from "$lib/server/github";

export const GET: RequestHandler = async ({ cookies, platform, fetch, url, request }) => {
	const token = await sessionToken(cookies, platform);
	if (!token) return json({ error: "unauthorized" }, { status: 401, headers: noStore() });
	try {
		return json(await account(githubEnv(platform), token, fetch), { headers: noStore() });
	} catch (cause) {
		if (cause instanceof GitHubUpstreamError && cause.status === 401) {
			githubCookies(cookies, url, request.headers).token.clear();
			return json({ error: "unauthorized" }, { status: 401, headers: noStore() });
		}
		return json({ error: "GitHub request failed" }, { status: 502, headers: noStore() });
	}
};

export const DELETE: RequestHandler = async ({ request, cookies, url }) => {
	const same =
		request.headers.get("sec-fetch-site") === "same-origin" ||
		request.headers.get("origin") === new URL(request.url).origin;
	if (!same) return json({ error: "forbidden" }, { status: 403, headers: noStore() });
	const jar = githubCookies(cookies, url, request.headers);
	jar.token.clear();
	jar.state.clear();
	return json({ ok: true }, { headers: noStore() });
};