frontend/src/middleware.ts

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

const PROTECTED_ROUTES = ["/jobs", "/applications", "/profile", "/resume", "/settings"];
const AUTH_ROUTES = ["/login", "/register"];

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

  // Check for auth token in cookies or authorization header
  const token =
    request.cookies.get("access_token")?.value ||
    request.headers.get("authorization")?.replace("Bearer ", "");

  // For client-side auth (localStorage), we check via a custom header or skip server-side check
  // The actual auth guard is done client-side via useAuthStore
  // This middleware handles basic route protection

  const isProtected = PROTECTED_ROUTES.some((route) => pathname.startsWith(route));
  const isAuthRoute = AUTH_ROUTES.some((route) => pathname.startsWith(route));

  // If authenticated user visits auth pages, redirect to dashboard
  if (isAuthRoute && token) {
    return NextResponse.redirect(new URL("/jobs", request.url));
  }

  return NextResponse.next();
}

export const config = {
  matcher: ["/((?!api|_next/static|_next/image|favicon.ico|public).*)"],
};