<?php


namespace App\Http\Middleware;

use App\KommaApp\Sites\SiteServiceInterface;

/**
 * Class SiteResolver
 *
 * Does set the current site depending on the host / domain name using the site config file
 *
 * @package App\Http\Middleware
 */
class SiteResolver
{
    /** @var SiteServiceInterface  */
    private $siteService;

    public function __construct()
    {
        $this->siteService = \App::make(SiteServiceInterface::class);
    }

    /**
     * Set site on Application.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @return mixed
     */
    public function handle($request, \Closure $next)
    {
        //Skip this when it is an Kms route
        if($request->segment(1) == 'kms') return $next($request);

        $site = null;

        if(!\Config::get('app.multipleSites')){
            $this->siteService->setCurrentSiteToDefault();
            // If there is only one site, the redirect should be handled by the web.config
        }
        else{


            $root = $request->root();
            $path = $request->path();

            //TODO make redirect rules for https/http and with/without wwww
            // This statement is set to redirect to https://example.com
//            if((starts_with($root, 'http:://') || starts_with($root, 'https://www.')) && \App::environment() == 'production' ){
//
//            }

//                $root = str_replace($root, 'http://www.');

            $siteDomains = \Config::get('site.domains');
            $activeSiteSlug = '';

            foreach ($siteDomains as $siteKey => $domains){
                foreach ($domains as $domain){
                    if(str_contains($root, $domain)){
                        if($activeSiteSlug == '') $activeSiteSlug = $siteKey;
                        else throw new \InvalidArgumentException("Domain isn't specific enough because active site key is overruled by other site, best practice is to define domains with there top-level domain in the site config");
                    }
                }
            }

            // Find the site by the active site slug
            $this->siteService->setCurrentSiteBySlug($activeSiteSlug);

        }

        $site = $this->siteService->getCurrentSite();
        if(!$site->exists) throw new \InvalidArgumentException("This site doesn't exists. Make a new Site with this slug:'".$activeSiteSlug."'  or rename the desired site to this slug.");

        // Check if defined language is one of the languages of this site
        // if not throw error, because it shouldn't happen...
        if(!$site->languages->contains(\App::getLanguage())){
            throw new \InvalidArgumentException("Defined app language doesn't exist in this site, so check how this could happen.");
        }

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

    }

}