VINTAR

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

export const config = {
  matcher: ['/((?!api/|_next/|_static/|_vercel|[\\w-]+\\.\\w+).*)'],
};

// Edge Subdomain Multi-Tenancy Router
export default async function middleware(req: NextRequest) {
  const url = req.nextUrl;
  const hostname = req.headers.get('host') || 'vintar.id';

  // Extract merchant subdomain from incoming hostname
  const rootDomain = process.env.NEXT_PUBLIC_ROOT_DOMAIN || 'vintar.id';
  const currentHost = hostname.replace('.' + rootDomain, '');
  
  // Pass through if request is made on apex domain or local root
  if (currentHost === 'vintar' || currentHost === 'www' || currentHost === 'localhost:3000') {
    return NextResponse.next();
  }

  // Rewrite request internally to isolated tenant storefront directory
  url.pathname = '/store/' + currentHost + url.pathname;
  const response = NextResponse.rewrite(url);
  response.headers.set('x-tenant-slug', currentHost);
  return response;
}