Redirect logged-in users from login page to home

proxy.ts

@@ -1,9 +1,17 @@
 import { NextResponse, type NextRequest } from "next/server";
 import { getSessionCookie } from "better-auth/cookies";
+import { redirect } from "next/dist/server/api-utils";
 
 export function proxy(request: NextRequest) {
-  // Only checks that the cookie exists; getCurrentUser() still validates it.
-  if (!getSessionCookie(request)) {
+  const isLoggedIn = !!getSessionCookie(request)
+
+  // if already logged in and accessing /login redirect to /
+  if (isLoggedIn && request.nextUrl.pathname === "/login") {
+    return NextResponse.redirect(new URL("/", request.url));
+  }
+
+  // If not logged in, redirect to /login
+  if (!isLoggedIn && request.nextUrl.pathname !== "/login") {
     return NextResponse.redirect(new URL("/login", request.url));
   }
 
@@ -11,5 +19,5 @@ export function proxy(request: NextRequest) {
 }
 
 export const config = {
-  matcher: ["/((?!api|login|_next/static|_next/image|.*\\..*).*)"],
+  matcher: ["/((?!api|_next/static|_next/image|.*\\..*).*)"],
 };