import {app} from "@/firebase";
import {Group, Type, User} from "@/interfaces/user";
import {uuidv4} from "@firebase/util";
import client from "@/lib/mongodb";

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

export const addUserToGroupOnCreation = async (userId: string, type: Type, creatorId: string) => {
	const creator = await db.collection("users").findOne<User>({id: creatorId});
	if (!creator) return false;

	const creatorGroup = await db.collection("groups").findOne<Group>({admin: creator.id, name: type === "student" ? "Students" : "Teachers"});

	if (!!creatorGroup) {
		await db.collection("groups").updateOne({id: creatorGroup.id}, {$set: {participants: [...creatorGroup.participants, userId]}});
		return true;
	}

	const groupId = uuidv4();
	await db.collection("groups").insertOne({
		admin: creatorId,
		name: type === "student" ? "Students" : "Teachers",
		id: groupId,
		participants: [userId],
		disableEditing: true,
	});
	return true;
};