const jwt = require("jsonwebtoken");

const authenticate = (req, res, next) => {
  const token = req.headers.authorization?.split(" ")[1];
  if (!token) {
    return res.status(401).json({ message: "No token provided" });
  }

  try {
    const decoded = jwt.verify(token, process.env.JWT_SECRET);
    req.user = decoded;  // Attach user data to request
    next();  // Continue to the next middleware or route handler
  } catch (error) {
    return res.status(401).json({ message: "Invalid or expired token" });
  }
};

module.exports = authenticate;