// Authentication middleware
const requireAuth = (req, res, next) => {
  if (req.session && req.session.userId) {
    return next();
  }
  return res.status(401).json({
    success: false,
    message: 'Unauthorized. Please login first.'
  });
};

// Check if already logged in
const redirectIfAuthenticated = (req, res, next) => {
  if (req.session && req.session.userId) {
    return res.redirect('/admin/dashboard');
  }
  next();
};

module.exports = {
  requireAuth,
  redirectIfAuthenticated
};