import { Request, Response, NextFunction } from 'express';
import { storage } from '../storage';

export interface AuthenticatedRequest extends Request {
  user?: any;
}

export const authMiddleware = async (req: AuthenticatedRequest, res: Response, next: NextFunction) => {
  if (!req.isAuthenticated || !req.isAuthenticated()) {
    return res.status(401).json({ error: 'Authentication required' });
  }
  
  try {
    // User is already available from Passport session
    if (!req.user) {
      return res.status(401).json({ error: 'User not found' });
    }
    
    next();
  } catch (error) {
    console.error('Auth middleware error:', error);
    res.status(500).json({ error: 'Authentication error' });
  }
};

export const requireRole = (roles: string[]) => {
  return (req: AuthenticatedRequest, res: Response, next: NextFunction) => {
    if (!req.user) {
      return res.status(401).json({ error: 'Authentication required' });
    }
    
    if (!roles.includes(req.user.role)) {
      return res.status(403).json({ error: 'Insufficient permissions' });
    }
    
    next();
  };
};

export const requireOnboarding = (req: AuthenticatedRequest, res: Response, next: NextFunction) => {
  if (!req.user) {
    return res.status(401).json({ error: 'Authentication required' });
  }
  
  if (!req.user.onboardingComplete) {
    return res.status(403).json({ error: 'Onboarding required', onboardingRequired: true });
  }
  
  next();
};