<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\App;
use Illuminate\Support\Facades\Session;

class LocaleController extends Controller
{
    public function set(Request $request)
    {
        $locale = $request->input('locale');
        $supportedLocales = ['de', 'en'];

        if (in_array($locale, $supportedLocales)) {
            App::setLocale($locale);
            Session::put('locale', $locale);
        }

        $previousUrl = $request->header('Referer') ?? '/';
        $currentPath = parse_url($previousUrl, PHP_URL_PATH);
        // Remove prefix if present for redirect to prefix-free
        $currentPath = preg_replace('/^\/(de|en)/', '', $currentPath);

        return redirect($currentPath);
    }
}