auth.mjs

import express from "express";
import cookieParser from "cookie-parser";
import axios from "axios";
import { OAuth2Client } from "google-auth-library";

import dotenv from "dotenv";
dotenv.config();

const client = new OAuth2Client(process.env.GOOGLE_CLIENT_ID);
const authRouter = express.Router();
authRouter.post("/auth", async (req, res) => {
  const { code } = req.body;

  try {
    const response = await axios.post(
      "https://oauth2.googleapis.com/token",
      {
        code,
        client_id: process.env.GOOGLE_CLIENT_ID,
        client_secret: process.env.GOOGLE_CLIENT_SECRET,
        redirect_uri: process.env.GOOGLE_REDIRECT_URI,
        grant_type: "authorization_code",
      },
      {
        headers: {
          "Content-Type": "application/x-www-form-urlencoded",
        },
      },
    );

    const token = response.data.access_token;
    res.status(200).json({ access_token: token });
  } catch (error) {
    console.error(
      "Error exchanging code:",
      error.response?.data || error.message,
    );
    res.status(500).json({ error: "Failed to exchange authorization code" });
  }
});
authRouter.get("/me", async (req, res) => {
  const token = req.cookies.access_token;
  if (!token) {
    return res.status(401).json({ error: "Unauthorized: No token provided" });
  }
  try {
    // Use the token to fetch data from an external API
    const response = await axios.get(
      "https://www.googleapis.com/oauth2/v1/userinfo?alt=json",
      {
        headers: {
          Authorization: `Bearer ${token}`,
        },
      },
    );
    res.json(response.data);
  } catch (error) {
    console.error("Failed to fetch protected data:", error.message);
    res.status(500).json({ error: "Failed to fetch data" });
  }
});
// authRouter.get("/logout", async (req, res) => {
//   try {
//     res.clearCookie('access_token', { path: '/' });
//     res.status(200).json({ message: "Logged out successfully" })
//   } catch (error) {
//     console.error("Failed to fetch protected data:", error.message);
//     res.status(500).json({ error: "Failed to fetch data" });
//   }
// });

export default authRouter;