import { NextRequest, NextResponse } from 'next/server';

const PUBLIC_PATHS = ['/login'];

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

  if (PUBLIC_PATHS.some((p) => pathname.startsWith(p))) {
    return NextResponse.next();
  }

  // Token is stored in localStorage (client-side only), so middleware can't
  // read it directly. We use a cookie set on login as the server-side signal.
  const token = request.cookies.get('auth_token')?.value;
  if (!token) {
    return NextResponse.redirect(new URL('/login', request.url));
  }

  return NextResponse.next();
}

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