import express from 'express';
import passport from 'passport';

const router = express.Router();

// 1. Initiate Google Auth
router.get(
  '/google',
  passport.authenticate('google', {
    scope: ['profile', 'email'],
    prompt: 'select_account'
  })
);

// 2. Callback handling
router.get(
  '/google/callback',
  passport.authenticate('google', { failureRedirect: '/' }),
  (req, res) => {
    // If onboarding is incomplete, go to onboarding. Else, dashboard.
    // Since frontend handles routing, we redirect to a check page or dashboard.
    // For MVP, we redirect to Client Root.
    res.redirect(process.env.CLIENT_URL || 'http://localhost:5173');
  }
);

// 3. Get Current User (Frontend calls this to see who is logged in)
router.get('/current_user', (req, res) => {
  res.set('Cache-Control', 'no-store');
  res.status(200).json(req.user || null);
});

// 4. Logout
router.post('/logout', (req, res) => {
  // Passport logout (Node 0.6+ safe)
  req.logout?.(() => {});

  // cookie-session way of destroying session
  req.session = null;

  res
    .clearCookie('cragy_session', { sameSite: 'none', secure: true })
    .clearCookie('cragy_session.sig', { sameSite: 'none', secure: true })
    .status(200)
    .json({ success: true });
});



export default router;