proxy.ts

import { NextResponse } from "next/server";
import type { NextRequest } from "next/server";

export async function proxy(request: NextRequest) {
  const isProtectedRoute = request.nextUrl.pathname.startsWith("/chat");

  // Check if session cookie exists
  const sessionToken = request.cookies.get("next-auth.session-token") || 
                       request.cookies.get("__Secure-next-auth.session-token");

  // Redirect unauthenticated users to sign-in page
  if (isProtectedRoute && !sessionToken) {
    const signInUrl = new URL("/auth/signin", request.url);
    signInUrl.searchParams.set("callbackUrl", request.nextUrl.pathname);
    return NextResponse.redirect(signInUrl);
  }

  return NextResponse.next();
}

export const config = {
  matcher: ["/chat/:path*"],
};