// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
import type {NextApiRequest, NextApiResponse} from "next";
import {app} from "@/firebase";
import {getFirestore, collection, getDocs, query, where, doc, setDoc, addDoc} from "firebase/firestore";
import {withIronSessionApiRoute} from "iron-session/next";
import {sessionOptions} from "@/lib/session";
import {Stat} from "@/interfaces/user";

const db = getFirestore(app);

export default withIronSessionApiRoute(handler, sessionOptions);

async function handler(req: NextApiRequest, res: NextApiResponse) {
	if (req.method === "GET") return get(req, res);
	if (req.method === "POST") return post(req, res);
}

async function get(req: NextApiRequest, res: NextApiResponse) {
	if (!req.session.user) {
		res.status(401).json({ok: false});
		return;
	}

	const user = req.session.user;
	const q = query(collection(db, "stats"), where("user", "==", user.id));

	const snapshot = await getDocs(q);

	res.status(200).json(
		snapshot.docs.map((doc) => ({
			id: doc.id,
			...doc.data(),
		})),
	);
}

async function post(req: NextApiRequest, res: NextApiResponse) {
	if (!req.session.user) {
		res.status(401).json({ok: false});
		return;
	}

	const stats = req.body as Stat[];
	await stats.forEach(async (stat) => await addDoc(collection(db, "stats"), stat));

	res.status(200).json({ok: true});
}