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

// Middleware samo prosljeđuje zahtjeve
export function middleware(request: NextRequest) {
  // Get the pathname
  const { pathname } = request.nextUrl;
  
  // Get the locale from cookie or default to 'hr'
  const locale = request.cookies.get('NEXT_LOCALE')?.value || 'hr';
  
  // Create a new URL based on the request
  const newUrl = new URL(request.nextUrl);
  
  // Check if we're on an English page
  const isEnglishPage = pathname.startsWith('/en');
  // Check if we're requesting the English version
  const wantsEnglish = locale === 'en';
  
  // If user wants English but we're not on an English page, redirect to English version
  if (wantsEnglish && !isEnglishPage) {
    newUrl.pathname = `/en${pathname}`;
    return NextResponse.redirect(newUrl);
  }
  
  // If user wants Croatian but we're on an English page, redirect to Croatian version
  if (!wantsEnglish && isEnglishPage) {
    newUrl.pathname = pathname.replace(/^\/en/, '') || '/';
    return NextResponse.redirect(newUrl);
  }
  
  return NextResponse.next();
}

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