<?php

namespace KommaApp\Core\Middleware;

use Closure;
use Illuminate\Http\Request;
use KommaApp\Routes\RouteService;

class BeforeMiddleware
{

    /**
     * In this method, that is fired before the request.
     * We are going to check if there is an db alias.
     * If true, we will fire a modified request.
     * If not, we check for an alternative route
     * and redirect with a 301
     *
     * @param         $request
     * @param Closure $next
     * @return mixed
     */
    public function handle(Request $request, Closure $next)
    {


        //Skip this when it is an Kms route
        if ($request->segment(1) == 'kms') return $next($request);


        $routeService = \App::make(RouteService::class);
        //Check if we can find an activeRoute based on the alias
        if ($route = $routeService->getActiveRouteByAlias($request->path())) {
            //Yes
            //Set the site based on the route
            \Komma::setSite($route->site);

            //Set the locale based on the route
            $this->setLanguage();

            //Duplicate the request
            $modifiedRequest = $request->duplicate();

            //Get the routeString form the route
            $route = $route->route;
            //Check if there is an queryString and add this to the route
            if ($query = $request->getQueryString()) $route . '?' . $query;

            //Set the request URI`
            $modifiedRequest->server->set('REQUEST_URI', $route);

            //Return the modifiedRequest
            return $next($modifiedRequest);
        }
        //(No)
        //Check if we can find an alternative Route by alias
        if ($route = $routeService->getAlternativeRouteByAlias($request->path())) {
            //Yes: Redirect with permanently moved

            return \Redirect::to($route->alias, 301);
        }
        //(No)

        //Set the site based on the route
        \Komma::setSite(null);
        $this->setLanguage();

        //Return the Request, and check the other routes
        return $next($request);
    }

    /**
     * This method will set the language
     * It will check if there is an customer
     * If so, use this language
     * Else use the given $language
     *
     * @param $langauge
     * @return boolean
     */
    private function setLanguage()
    {
        //Check if there is a customer, if true set customer language/
        if ($customer = \Auth::customer()->get()) \Komma::setLocale($customer->language_id);
    }

}