fixed issue with login that keeps returning.

app/api/auth/[...nextauth]/route.js

@@ -1,16 +1,15 @@
-import NextAuth from "next-auth"; // <-- Changed from "next-auth/next"
+import NextAuth from "next-auth";
 import CredentialsProvider from "next-auth/providers/credentials";
 import { validateCredentials } from "@/actions/auth";
 import jwt from "jsonwebtoken";
 import { cookies } from "next/headers";
 
-// Use a consistent secret for JWT signing and verification
-const JWT_SECRET = process.env.NEXTAUTH_SECRET || "banana";
-console.log("Using NextAuth Secret:", JWT_SECRET);
+const JWT_SECRET =
+  process.env.NEXTAUTH_SECRET ||
+  "your-fallback-secret-should-be-at-least-32-chars";
 
 export const authOptions = {
   providers: [
-    // Correct syntax: no function call, just reference the imported object
     {
       id: "credentials",
       name: "Credentials",
@@ -25,18 +24,14 @@ export const authOptions = {
             console.log("Missing credentials");
             return null;
           }
-
-          // Validate credentials against our database
           const user = await validateCredentials(
             credentials.username,
             credentials.password
           );
-
           if (user) {
             console.log("User authenticated:", user.username);
             return user;
           }
-
           console.log("Invalid credentials for:", credentials.username);
           return null;
         } catch (error) {
@@ -46,27 +41,10 @@ export const authOptions = {
       },
     },
   ],
-
   session: {
     strategy: "jwt",
-    maxAge: 30 * 24 * 60 * 60, // 30 days
+    maxAge: 30 * 24 * 60 * 60,
   },
-
-  jwt: {
-    secret: JWT_SECRET,
-    encode: async ({ secret, token }) => {
-      return jwt.sign(token, secret);
-    },
-    decode: async ({ secret, token }) => {
-      try {
-        return jwt.verify(token, secret);
-      } catch (error) {
-        console.error("JWT decode error:", error);
-        return null;
-      }
-    },
-  },
-
   callbacks: {
     async jwt({ token, user }) {
       if (user) {
@@ -77,7 +55,6 @@ export const authOptions = {
       }
       return token;
     },
-
     async session({ session, token }) {
       if (token) {
         session.user = session.user || {};
@@ -88,31 +65,28 @@ export const authOptions = {
       }
       return session;
     },
+    async redirect({ baseUrl, session }) {
+      // Redirect admins to dashboard, users with a team to their team page,
+      // otherwise to team selection.
+      if (session?.user) {
+        if (session.user.role === "admin") {
+          return `${baseUrl}/admin/dashboard`;
+        }
+        if (session.user.teamId) {
+          return `${baseUrl}/team/${session.user.teamId}`;
+        }
+      }
+      return `${baseUrl}/team-selection`;
+    },
   },
-
   pages: {
     signIn: "/login",
     error: "/login?error=true",
   },
-
-  // Add debugging to help identify issues with API responses
   debug: process.env.NODE_ENV === "development",
-
-  // Add logger to catch issues
-  logger: {
-    error(code, metadata) {
-      console.error(`NextAuth error: ${code}`, metadata);
-    },
-    warn(code) {
-      console.warn(`NextAuth warning: ${code}`);
-    },
-    debug(code, metadata) {
-      console.log(`NextAuth debug: ${code}`, metadata);
-    },
-  },
+  secret: JWT_SECRET,
 };
 
-// Token helpers
 export function createToken(payload) {
   return jwt.sign(payload, JWT_SECRET, { expiresIn: "30d" });
 }
@@ -126,9 +100,9 @@ export function verifyToken(token) {
   }
 }
 
-// Set session runtime to nodejs (not edge for better compatibility)
-export const runtime = "nodejs";
+// Ensure that the NextAuth export is callable over interop
+const NextAuthFn = NextAuth.default ? NextAuth.default : NextAuth;
+const handler = NextAuthFn(authOptions);
 
-// Create the handler with correct NextAuth instantiation
-const handler = NextAuth(authOptions);
 export { handler as GET, handler as POST };
+export const runtime = "nodejs";