<?php

namespace App\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpFoundation\Session\SessionInterface;
use Symfony\Component\Routing\Attribute\Route;
use Symfony\Component\Translation\LocaleSwitcher;

final class LocaleController extends AbstractController
{
    #[Route('/locale/{locale}', name: 'app_locale_switch', requirements: ['locale' => 'fa|en'])]
    public function switchLocale(
        string $locale,
        Request $request,
        SessionInterface $session,
        LocaleSwitcher $localeSwitcher
    ): Response {
        // Set locale in session
        $session->set('_locale', $locale);
        
        // Set locale for current request
        $localeSwitcher->setLocale($locale);
        
        // Redirect back to previous page or home
        $referer = $request->headers->get('referer');
        if ($referer) {
            return $this->redirect($referer);
        }
        
        return $this->redirectToRoute('app_home');
    }
    
    #[Route('/api/locale', name: 'api_locale_get', methods: ['GET'])]
    public function getCurrentLocale(SessionInterface $session): Response
    {
        $locale = $session->get('_locale', 'fa');
        
        return $this->json([
            'locale' => $locale,
            'direction' => $locale === 'fa' ? 'rtl' : 'ltr'
        ]);
    }
}