Fixed join team issue

lib/auth.js

@@ -0,0 +1,55 @@
+import jwt from "jsonwebtoken";
+
+// Get JWT secret from environment or use fallback
+const JWT_SECRET =
+  process.env.NEXTAUTH_SECRET ||
+  process.env.JWT_SECRET ||
+  "your-fallback-secret-should-be-at-least-32-chars";
+
+// Create a new JWT token
+export function createToken(payload) {
+  // Check if payload already has an expiration date set
+  const options = payload.exp ? {} : { expiresIn: "30d" };
+  
+  return jwt.sign(payload, JWT_SECRET, options);
+}
+
+// Verify a JWT token
+export function verifyToken(token) {
+  try {
+    if (!token) {
+      console.error("No token provided");
+      return null;
+    }
+
+    console.log("Verifying token:", token.substring(0, 10) + "...");
+
+    const decoded = jwt.verify(token, JWT_SECRET);
+
+    // Validate that we have the minimum required fields
+    if (!decoded.sub && !decoded.id) {
+      console.error("Token missing required user identifier");
+      return null;
+    }
+
+    // Log successful token verification with user ID
+    console.log(
+      "Token verified successfully for user:",
+      decoded.sub || decoded.id
+    );
+
+    return decoded;
+  } catch (error) {
+    // Provide detailed error logs
+    if (error.name === "TokenExpiredError") {
+      console.error("Token expired at:", error.expiredAt);
+    } else if (error.name === "JsonWebTokenError") {
+      console.error("Invalid token:", error.message);
+    } else {
+      console.error("Token verification error:", error.message);
+    }
+    return null;
+  }
+}
+
+export { JWT_SECRET };