<?php

namespace App\Http\Middleware;

use Closure;
use Illuminate\Http\Request;

class LangCheck
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @return mixed
     */
    public function handle(Request $request, Closure $next)
    {
        //if lang provided then set it
        if($request->lang) {
            $request->session()->put('lang',strtolower($request->lang));
            //bonus remove lang parameter from query
            return redirect()->to($request->fullUrlWithoutQuery('lang'));
        }
        $sess_lang = $request->session()->get('lang', config('app.locale'));
        app()->setLocale($sess_lang);
        return $next($request);
    }
}