middleware.ts

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

export function middleware(req: NextRequest) {
  const { pathname } = req.nextUrl;

  // Allow public assets and auth pages
  if (
    pathname.startsWith("/_next") ||
    pathname.startsWith("/api") ||
    pathname === "/favicon.ico" ||
    pathname === "/login" ||
    pathname === "/register"
  ) {
    return NextResponse.next();
  }

  if (pathname.startsWith("/dashboard")) {
    const token = req.cookies.get("token")?.value;
    if (!token) {
      const url = req.nextUrl.clone();
      url.pathname = "/login";
      url.search = `redirectTo=${encodeURIComponent(pathname)}`;
      return NextResponse.redirect(url);
    }
  }

  return NextResponse.next();
}

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