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

export function middleware(request: NextRequest) {
  const acceptLanguage = request.headers.get('accept-language') || '';
  const preferredLocale = acceptLanguage.split(',')[0].split('-')[0];
  const locale = ['ru', 'en'].includes(preferredLocale)
    ? preferredLocale
    : 'ru';

  const response = NextResponse.next();
  response.cookies.set('NEXT_LOCALE', locale);

  return response;
}

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