// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
import type { NextApiRequest, NextApiResponse } from "next";
import { app } from "@/firebase";
import { withIronSessionApiRoute } from "iron-session/next";
import { sessionOptions } from "@/lib/session";
import { CorporateUser, Group } from "@/interfaces/user";
import { Discount, Package } from "@/interfaces/paypal";
import { v4 } from "uuid";
import { checkAccess } from "@/utils/permissions";
import { CEFR_STEPS } from "@/resources/grading";
import { getCorporateUser } from "@/resources/user";
import { getUserCorporate } from "@/utils/groups.be";
import { Grading, Step } from "@/interfaces";
import { getGroupsForUser } from "@/utils/groups.be";
import { uniq } from "lodash";
import { getSpecificUsers, getUser } from "@/utils/users.be";
import client from "@/lib/mongodb";
import { getGradingSystemByEntity } from "@/utils/grading.be";

const db = client.db(process.env.MONGODB_DB);

export default withIronSessionApiRoute(handler, sessionOptions);

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

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

	if (!checkAccess(req.session.user, ["admin", "developer", "mastercorporate", "corporate"]))
		return res.status(403).json({
			ok: false,
			reason: "You do not have permission to create a new grading system",
		});

	const body = req.body as {
		entities: string[]
		steps: Step[];
	};

	await db.collection("grading").updateMany({ entity: { $in: body.entities } }, { $set: { steps: body.steps } }, { upsert: true });

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