<?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')));

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

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

            // 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.' != $curentuser) {
                switch ($session->get('permannu')) {
                    case 'ROLE_USER':
                        $showannuaire = ($curentuser->hasRole('ROLE_ADMIN') || $curentuser->hasRole('ROLE_MODO') || $curentuser->hasRole('ROLE_MASTER') || $curentuser->hasRole('ROLE_USER'));
                        break;

                    case 'ROLE_MASTER':
                        $showannuaire = ($curentuser->hasRole('ROLE_ADMIN') || $curentuser->hasRole('ROLE_MODO') || $curentuser->hasRole('ROLE_MASTER'));
                        break;

                    case 'ROLE_MODO':
                        $showannuaire = ($curentuser->hasRole('ROLE_ADMIN') || $curentuser->hasRole('ROLE_MODO'));
                        break;
                }

                switch ($session->get('permgroup')) {
                    case 'ROLE_USER':
                        $submitgroup = ($curentuser->hasRole('ROLE_ADMIN') || $curentuser->hasRole('ROLE_MODO') || $curentuser->hasRole('ROLE_MASTER') || $curentuser->hasRole('ROLE_USER'));
                        break;

                    case 'ROLE_MASTER':
                        $submitgroup = ($curentuser->hasRole('ROLE_ADMIN') || $curentuser->hasRole('ROLE_MODO') || $curentuser->hasRole('ROLE_MASTER'));
                        break;

                    case 'ROLE_MODO':
                        $submitgroup = ($curentuser->hasRole('ROLE_ADMIN') || $curentuser->hasRole('ROLE_MODO'));
                        break;
                }
            }
            $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'];
        }
    }