import { Request, Response, NextFunction } from 'express';
import * as Jwt from 'jsonwebtoken'; // Correct way to import jsonwebtoken

// Define a new interface extending Request
interface AuthenticatedRequest extends Request {
  user?: {
    email: string;
    // Add more fields as needed based on your JWT payload
  };
}
const tokenGenerator = (email: string) => {
    const token = Jwt.sign({ email: email }, "Milestone", {
      expiresIn: "3hours",
    });
    return token;
  };

const tokenValidator = (req: AuthenticatedRequest, res: Response, next: NextFunction): void => {
  const token: string | undefined = req.headers.token as string | undefined;
  if (!token) {
    res.status(403).json({
      msg: "No token present",
    });
    return; // Make sure to return after sending a response
  }
  
  try {
    const decoded = Jwt.verify(token,"Milestone") as { email: string }; // adjust if your JWT payload has more fields
    req.user = decoded;
    next();
  } catch (err) {
    res.status(401).json({
      msg: "Invalid Token",
    });
  }
};

export { tokenValidator,tokenGenerator };