import { sessionOptions } from "@/lib/session";
import {app} from "@/firebase";
import { collection, doc, getDoc, getDocs, getFirestore, query } from "firebase/firestore";
import { withIronSessionApiRoute } from "iron-session/next";
import { NextApiRequest, NextApiResponse } from "next";

const db = getFirestore(app);

export default withIronSessionApiRoute(handler, sessionOptions);

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

    if (req.method === "GET") return get(req, res);
}


async function get(req: NextApiRequest, res: NextApiResponse) {
    try {
        const { id } = req.query;

      if (typeof id !== 'string') {
        return res.status(400).json({ message: 'Invalid ID' });
      }

      const docRef = doc(db, "training", id);
      const docSnap = await getDoc(docRef);

      if (docSnap.exists()) {
        res.status(200).json({
          id: docSnap.id,
          ...docSnap.data(),
        });
      } else {
        res.status(404).json({ message: 'Document not found' });
      }
    } catch (error) {
        console.error('Error fetching data:', error);
        res.status(500).json({ message: 'An unexpected error occurred' });
    }
}