config/passport.js

import passport from "passport";
import { Strategy as GoogleStrategy } from "passport-google-oauth20";
import { Strategy as GitHubStrategy } from "passport-github2";
import dotenv from "dotenv"; // Load environment variables
import User from "../model/user.model.js"; // Ensure correct path
import { v4 as uuidv4 } from "uuid";

dotenv.config(); // Load .env variables

passport.use(
    new GoogleStrategy(
      {
        clientID: process.env.GOOGLE_CLIENT_ID,
        clientSecret: process.env.GOOGLE_CLIENT_SECRET,
        callbackURL: process.env.GOOGLE_CALLBACK_URL,
        scope: ["profile", "email"], // ✅ Correct Scopes
      },
      async (accessToken, refreshToken, profile, done) => {
        try {
          let user = await User.findOne({ email: profile.emails[0].value });

          const userId = uuidv4();
  
          if (!user) {
            user = new User({
              userId: userId,
              name: profile.displayName,
              email: profile.emails[0].value,
            });
            await user.save();
          }
          return done(null, user);
        } catch (error) {
          return done(error, null);
        }
      }
    )
  );
  

// passport.use(
//   new GitHubStrategy(
//     {
//       clientID: process.env.GITHUB_CLIENT_ID,
//       clientSecret: process.env.GITHUB_CLIENT_SECRET,
//       callbackURL: process.env.GITHUB_CALLBACK_URL, 
//     },
//     async (accessToken, refreshToken, profile, done) => {
//       try {
//         const emails = profile.emails || [];
//         const email = emails.length > 0 ? emails[0].value : null;
//         console.log(profile);
//         console.log(profile.displayName);
        
//         if(!email){
//           console.log("No emails found with this github account");
//         }

//         let user = await User.findOne({ email });

//         const userId = uuidv4();

//         if (!user) {
//           const newUser = new User({
//             userId : userId,
//             name: profile.displayName,
//             email: email,
//             password: null,
//           });
//           await newUser.save();
//         }
//         return done(null, user);
//       } catch (error) {
//         return done(error, null);
//       }
//     }
//   )
// );

// ✅ Serialize & Deserialize user
passport.serializeUser((user, done) => {
  done(null, user.id);
});

passport.deserializeUser(async (id, done) => {
  try {
    const user = await User.findById(id);
    done(null, user);
  } catch (error) {
    done(error, null);
  }
});

export default passport;