import { type NextRequest } from 'next/server';
import { updateSession } from '@/lib/supabase/middleware';

export async function middleware(request: NextRequest) {
  const { supabaseResponse, user } = await updateSession(request);

  // If accessing protected route without authentication, redirect to login
  if (!user && request.nextUrl.pathname.startsWith('/dashboard')) {
    const redirectUrl = new URL('/login', request.url);
    redirectUrl.searchParams.set('redirect', request.nextUrl.pathname);
    return Response.redirect(redirectUrl);
  }

  return supabaseResponse;
}

export const config = {
  matcher: [
    /*
     * Match all request paths except for the ones starting with:
     * - _next/static (static files)
     * - _next/image (image optimization files)
     * - favicon.ico (favicon file)
     * - public folder
     */
    '/((?!_next/static|_next/image|favicon.ico|.*\\.(?:svg|png|jpg|jpeg|gif|webp)$).*)',
  ],
};