<?php

namespace App\Http\Middleware;

use App\Models\Miscellaneous\WebsiteLanguage;
use Closure;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\App;
use Illuminate\Support\Facades\Schema;
use Illuminate\Support\Facades\Session;
use Symfony\Component\HttpFoundation\Response;

class LocalizationMiddleware
{
    public function handle(Request $request, Closure $next): Response
    {
        // Controleer of de instellingen bestaan en of de taal al in de sessie staat
        if (Schema::hasTable('website_settings') && Session::has('locale')) {
            $locale = Session::get('locale');
            if (! is_string($locale)) {
                $response = $next($request);
                assert($response instanceof Response);
                return $response;
            }
            App::setLocale($locale);

            $response = $next($request);
            assert($response instanceof Response);
            return $response;
        }

        $countryCode = config('habbo.site.default_language');

        // GEWIJZIGD: isset() werkt niet op Request::server() in PHP 8. Gebruik null !== in plaats daarvan.
        $cfCountry = \Illuminate\Support\Facades\Request::server('HTTP_CF_IPCOUNTRY');
        if (is_string($cfCountry)) {
            $countryCode = strtolower($cfCountry);
        } elseif (is_string(\Illuminate\Support\Facades\Request::server('HTTP_ACCEPT_LANGUAGE'))) {
            $acceptLanguage = \Illuminate\Support\Facades\Request::server('HTTP_ACCEPT_LANGUAGE');
            $countryCode = strtolower(substr($acceptLanguage, 0, 2));
        }

        // Als de taal niet in de database staat, gebruik de standaardtaal
        if (Schema::hasTable('website_languages') && WebsiteLanguage::where('country_code', '=', $countryCode)->doesntExist()) {
            $defaultCountry = config('habbo.site.default_language');
            if (! is_string($defaultCountry)) {
                $defaultCountry = 'en';
            }

            App::setLocale($defaultCountry);
            Session::put('locale', $defaultCountry);

            $response = $next($request);
            assert($response instanceof Response);
            return $response;
        }

        // Zet de gedetecteerde taal
        if (is_string($countryCode)) {
            App::setLocale($countryCode);
        }
        Session::put('locale', $countryCode);

        $response = $next($request);
        assert($response instanceof Response);
        return $response;
    }
}