<?php
/**
 * Created by PhpStorm.
 * User: net15
 * Date: 12/11/2017
 * Time: 14:50
 */

namespace UserBasisBundle\Listener\Security;


use UserBasisBundle\Entity\LoginHistory;
use UserBasisBundle\Helper\Security\TwoFactorEmailHelper;
use UserBasisBundle\Interfaces\CustomUserInterface;
use UserBasisBundle\Service\Core\CoreSessionService;
use UserBasisBundle\Service\Security\LoginHistoryService;
use UserBasisBundle\Service\User\UserManagerService;
use Symfony\Bundle\TwigBundle\TwigEngine;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorage;
use Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken;
use Symfony\Bundle\FrameworkBundle\Routing\Router;
use Twig\Error\Error;

class RequestListener
{
    /**
     * @var TwoFactorEmailHelper $helper
     */
    protected $helper;

    /**
     * @var TokenStorage $securityContext
     */
    protected $securityContext;

    /**
     * @var TwigEngine $templating
     */
    protected $templating;

    /**
     * @var Router $router
     */
    protected $router;

    /**
     * @var CoreSessionService $session
     */
    protected $session;

    /**
     * @var LoginHistoryService $ii
     */
    protected $lhs;

    /**
     * @var UserManagerService $em
     */
    protected $um;




    /**
     * Construct the listener
     * @param TwoFactorEmailHelper $helper
     * @param TokenStorage $securityContext
     * @param TwigEngine $templating
     * @param Router $router
     * @param CoreSessionService $session
     * @param LoginHistoryService $lhs
     * @param UserManagerService $um
     */
    public function __construct(TwoFactorEmailHelper $helper, TokenStorage $securityContext,
                                TwigEngine $templating, Router $router, CoreSessionService $session,
                                LoginHistoryService $lhs, UserManagerService $um)
    {
        $this->helper = $helper;
        $this->securityContext = $securityContext;
        $this->templating = $templating;
        $this->router = $router;
        $this->session = $session;
        $this->lhs = $lhs;
        $this->um = $um;
    }

    /**
     * Listen for request events
     * @param \Symfony\Component\HttpKernel\Event\GetResponseEvent $event
     */
    public function onCoreRequest(GetResponseEvent $event)
    {



        $token = $this->securityContext->getToken();

        if (!$token)
        {
            return;
        }
        if (!$token instanceof UsernamePasswordToken)
        {
            return;
        }


        $key = $this->helper->getSessionKey($this->securityContext->getToken());
        //var_dump($key);die;
        $request = $event->getRequest();
        $session = $event->getRequest()->getSession();
        /**
         * @var CustomUserInterface $user
         */
        $user = $this->securityContext->getToken()->getUser();
        ///*
        if ($request->getMethod() == 'POST' && !empty($request->get('_device_name')))
        {
            $oldDeviceName = $this->helper->getMachineName();
            if(!empty($oldDeviceName)){
                $this->helper->setNewName($user,(string)$request->get('_device_name'),$oldDeviceName);
                $this->redirectToDashboard($event);
                return;
            }
        }//**/



        //Check if user has to do two-factor authentication

        ///*


        if (!$session->has($key))
        {
            $this->checkMachineNameSet($event);
            return;
        }//*/



        if ($session->get($key) === true)
        {
            $this->checkMachineNameSet($event);
            return;
        }

        if ($request->getMethod() == 'POST')
        {
            //Check the authentication code
            $remember_place = $request->get('_remember_place',false);//true if checkbox checked

            if ($this->helper->checkCode($user, $request->get('_auth_code'), $remember_place) == true)
            {
                //Flag authentication complete
                $session->set($key, true);
                //Redirect to user's dashboard

                if(!$remember_place){
                    $this->helper->setTempDevice(true);
                } else {
                    $this->helper->setTempDevice(false);
                }
                $this->lhs->addEntry(LoginHistory::LOGIN_SUCCESS, $user);

                $this->um->refreshLastSeen($user);

                $this->redirectToDashboard($event);
                return;
            }
            else
            {
                if($user->getFailedAttempt() == 3){
                    $this->securityContext->setToken(null);
                    $this->lhs->addEntry(LoginHistory::LOGIN_FAILED3T, $user);
                    $this->redirectToLogout($event);
                    return;
                } else {
                    $this->lhs->addEntry(LoginHistory::LOGIN_FAILED, $user);
                    $this->session->putFlash("error", "The verification code is not valid.");
                }
            }
        }

        //Force authentication code dialog

        $args_auth = array('remember_place' => $user->isRememberPlaces());
        try {
            $response = $this->templating->renderResponse('App/Default/User/step.twoauth.html.twig', $args_auth);
        } catch (Error $e) {
            die('error '.$e);
        }
        $event->setResponse($response);
    }

    /**
     * @param GetResponseEvent $event
     */
    protected function checkMachineNameSet($event){
        if(!$this->helper->isTempDevice()){
            $deviceName = $this->helper->getMachineName();
            if($deviceName == "NaN"){
                $args = array();
                //generate a name
                $args['default_name'] = $this->helper->getNewName();
                //Force device name dialog
                try {
                    $response = $this->templating->renderResponse(
                        'App/Default/User/set.device.name.html.twig',
                        $args
                    );
                } catch (Error $e) {
                    die('error '.$e);
                }
                $event->setResponse($response);
            }
        }
    }


    /**
     * @param GetResponseEvent $event
     */
    protected function redirectToDashboard($event){
        $redirect = new RedirectResponse($this->router->generate("panel_dashboard"));
        $event->setResponse($redirect);
    }
    /**
     * @param GetResponseEvent $event
     */
    protected  function redirectToLogout($event){
        $redirect = new RedirectResponse($this->router->generate("login"));
        $event->setResponse($redirect);
    }
}