<?php

namespace App\Service;

use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\HttpKernel\Event\RequestEvent;
use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;

class AppSession
{
    private $container;
    protected $em;
    protected $requeststack;
    protected $token;

    public function __construct(ContainerInterface $container, EntityManagerInterface $em, RequestStack $requeststack, TokenStorageInterface $token)
    {
        $this->container = $container;
        $this->requeststack = $requeststack;
        $this->em = $em;
        $this->token = $token;
    }

    public function onDomainParse(RequestEvent $event)
    {
        $session = $this->requeststack->getSession();

        $configs = $this->em->getRepository("App\Entity\Config")->findAll();
        foreach ($configs as $config) {
            $session->set($config->getId(), strval($config->getValue()));
        }
        $session->set('headerimage', 'header/'.$session->get('headerimage'));

        // Calcul couleur
        $session->set('colorbgbodylight-darker', $this->adjustBrightness($session->get('colorbgbodylight'), -10));
        $session->set('colorfttitlelight-darker', $this->adjustBrightness($session->get('colorfttitlelight'), -50));

        $session->set('colorbgbodydark-darker', $this->adjustBrightness($session->get('colorbgbodydark'), -50));
        $session->set('colorbgbodydark-lighter', $this->adjustBrightness($session->get('colorbgbodydark'), +50));

        $session->set('colorbgbodydark-rgb', $this->hexToRgb($session->get('colorbgbodydark')));
        $session->set('colorbgbodydark-darkrgb', $this->hexToRgb($session->get('colorbgbodydark-darker')));
        $session->set('colorbgbodydark-lightrgb', $this->hexToRgb($session->get('colorbgbodydark-lighter')));

        // Préférence par défaut
        $session->set('fgheader', true);
        $session->set('fgaudit', false);

        // Current user
        $token = $this->token->getToken();
        if (!$token) {
            return;
        }
        $curentuser = $token->getUser();

        // Préférence
        if ('anon.' != $curentuser) {
            $preference = $curentuser->getPreference();
            if (is_array($preference)) {
                // Préférence header
                if (array_key_exists('fgheader', $preference)) {
                    $fgheader = ('true' == $preference['fgheader'][0]);
                    $session->set('fgheader', $fgheader);
                }

                // Préférence audit
                if (array_key_exists('fgaudit', $preference)) {
                    $fgaudit = ('true' == $preference['fgaudit'][0]);
                    $session->set('fgaudit', $fgaudit);
                }
            }
        }

        // Permissions
        $showannuaire = false;
        $submitgroup = false;
        if ('anon.' != $curentuser) {
            if ($curentuser->hasRole('ROLE_ADMIN') && 0 != $this->container->getParameter('appAnnuscopeadmin')) {
                $showannuaire = true;
                $session->set('scopeannu', $this->container->getParameter('appAnnuscopeadmin'));
            } elseif ($curentuser->hasRole('ROLE_MODO') && 0 != $this->container->getParameter('appAnnuscopemodo')) {
                $showannuaire = true;
                $session->set('scopeannu', $this->container->getParameter('appAnnuscopemodo'));
            } elseif ($curentuser->hasRole('ROLE_MASTER') && 0 != $this->container->getParameter('appAnnuscopemaster')) {
                $showannuaire = true;
                $session->set('scopeannu', $this->container->getParameter('appAnnuscopemaster'));
            } elseif ($curentuser->hasRole('ROLE_MANAGER') && 0 != $this->container->getParameter('appAnnuscopemanager')) {
                $showannuaire = true;
                $session->set('scopeannu', $this->container->getParameter('appAnnuscopemanager'));
            } elseif ($curentuser->hasRole('ROLE_USER') && 0 != $this->container->getParameter('appAnnuscopeuser')) {
                $showannuaire = true;
                $session->set('scopeannu', $this->container->getParameter('appAnnuscopeuser'));
            }

            if (in_array('ALL', $this->container->getParameter('appGroupsubmiter'))) {
                $submitgroup = true;
            } elseif ($curentuser->hasRole('ROLE_ADMIN') && in_array('ROLE_ADMIN', $this->container->getParameter('appGroupsubmiter'))) {
                $submitgroup = true;
            } elseif ($curentuser->hasRole('ROLE_MODO') && in_array('ROLE_MODO', $this->container->getParameter('appGroupsubmiter'))) {
                $submitgroup = true;
            } elseif ($curentuser->hasRole('ROLE_MASTER') && in_array('ROLE_MASTER', $this->container->getParameter('appGroupsubmiter'))) {
                $submitgroup = true;
            } elseif ($curentuser->hasRole('ROLE_MANAGER') && in_array('ROLE_MANAGER', $this->container->getParameter('appGroupsubmiter'))) {
                $submitgroup = true;
            } elseif ($curentuser->hasRole('ROLE_USER') && in_array('ROLE_USER', $this->container->getParameter('appGroupsubmiter'))) {
                $submitgroup = true;
            }
        }
        $session->set('showannuaire', $showannuaire);
        $session->set('submitgroup', $submitgroup);

        // Visite
        if ('anon.' != $curentuser) {
            $now = new \DateTime();
            if (!$curentuser->getVisitedate()) {
                $curentuser->setVisitedate($now);
                $curentuser->setVisitecpt($curentuser->getVisitecpt() + 1);
                $this->em->persist($curentuser);
                $this->em->flush();
            } else {
                $visitedate = clone $curentuser->getVisitedate();
                $visitedate->add(new \DateInterval('PT1H'));
                if ($visitedate < $now) {
                    $curentuser->setVisitedate($now);
                    $curentuser->setVisitecpt($curentuser->getVisitecpt() + 1);
                    $this->em->persist($curentuser);
                    $this->em->flush();
                }
            }
        }
    }

    private function adjustBrightness($hex, $steps)
    {
        // Steps should be between -255 and 255. Negative = darker, positive = lighter
        $steps = max(-255, min(255, $steps));

        // Normalize into a six character long hex string
        $hex = str_replace('#', '', $hex);
        if (3 == strlen($hex)) {
            $hex = str_repeat(substr($hex, 0, 1), 2).str_repeat(substr($hex, 1, 1), 2).str_repeat(substr($hex, 2, 1), 2);
        }

        // Split into three parts: R, G and B
        $color_parts = str_split($hex, 2);
        $return = '';

        foreach ($color_parts as $color) {
            $color = hexdec($color); // Convert to decimal
            $color = max(0, min(255, $color + $steps)); // Adjust color
            $return .= str_pad(dechex($color), 2, '0', STR_PAD_LEFT); // Make two char hex code
        }

        return '#'.$return;
    }

    public function hexToRgb($hex)
    {
        $hex = str_replace('#', '', $hex);
        $length = strlen($hex);
        $rgb['r'] = hexdec(6 == $length ? substr($hex, 0, 2) : (3 == $length ? str_repeat(substr($hex, 0, 1), 2) : 0));
        $rgb['g'] = hexdec(6 == $length ? substr($hex, 2, 2) : (3 == $length ? str_repeat(substr($hex, 1, 1), 2) : 0));
        $rgb['b'] = hexdec(6 == $length ? substr($hex, 4, 2) : (3 == $length ? str_repeat(substr($hex, 2, 1), 2) : 0));

        return $rgb['r'].','.$rgb['g'].','.$rgb['b'];
    }
}