<?php
    namespace App\Service;

    use Symfony\Component\DependencyInjection\ContainerInterface;
    use Symfony\Component\HttpKernel\Event\RequestEvent;
    use Doctrine\ORM\EntityManagerInterface;
    use Symfony\Component\HttpFoundation\RequestStack;
    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($curentuser!="anon.") {
                $preference=$curentuser->getPreference();
                if(is_array($preference)) {
                    // Préférence header
                    if(array_key_exists("fgheader",$preference)) {
                        $fgheader=($preference["fgheader"][0]=="true");
                        $session->set("fgheader", $fgheader);
                    }

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

            // Permissions
            $showannuaire=false;
            $submitgroup=false;
            if($curentuser!="anon.") {
                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($curentuser!="anon.") {
                $now=new \DateTime();
                if(!$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('#', '', $hex);
            if (strlen($hex) == 3) {
                $hex = str_repeat(substr($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);
            $rgb['r'] = hexdec($length == 6 ? substr($hex, 0, 2) : ($length == 3 ? str_repeat(substr($hex, 0, 1), 2) : 0));
            $rgb['g'] = hexdec($length == 6 ? substr($hex, 2, 2) : ($length == 3 ? str_repeat(substr($hex, 1, 1), 2) : 0));
            $rgb['b'] = hexdec($length == 6 ? substr($hex, 4, 2) : ($length == 3 ? str_repeat(substr($hex, 2, 1), 2) : 0));
     
            return $rgb['r'].",".$rgb['g'].",".$rgb['b'];
        }     
    }