middleware.ts

import { NextRequest, NextResponse } from 'next/server';
import { createServerClient, type CookieOptions } from '@supabase/ssr';

export async function middleware(request: NextRequest) {
  const supabaseUrl = process.env.NEXT_PUBLIC_SUPABASE_URL;
  const anonKey = process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY;

  if (!supabaseUrl || !anonKey) {
    return NextResponse.next();
  }

  let response = NextResponse.next({
    request: {
      headers: request.headers,
    },
  });

  const supabase = createServerClient(supabaseUrl, anonKey, {
    cookies: {
      get(name: string) {
        return request.cookies.get(name)?.value;
      },
      set(name: string, value: string, options: CookieOptions) {
        request.cookies.set({ name, value, ...options });
        response.cookies.set({ name, value, ...options });
      },
      remove(name: string, options: CookieOptions) {
        request.cookies.set({ name, value: '', ...options });
        response.cookies.set({ name, value: '', ...options });
      },
    },
  });

  await supabase.auth.getUser();
  return response;
}

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