<?php

namespace App\EventListener;

use App\Entity\User as Entity;
use App\Entity\UserGroup;
use App\Service\LdapService;
use Doctrine\Bundle\DoctrineBundle\EventSubscriber\EventSubscriberInterface;
use Doctrine\ORM\EntityManagerInterface;
use Doctrine\ORM\Events;
use Doctrine\Persistence\Event\LifecycleEventArgs;
use Ramsey\Uuid\Uuid;

class UserSubscriber implements EventSubscriberInterface
{
    private $em;
    private $entity;
    private $ldap;

    public function __construct(EntityManagerInterface $em, LdapService $ldap)
    {
        $this->em = $em;
        $this->ldap = $ldap;
    }

    public function getSubscribedEvents(): array
    {
        return [
            Events::postPersist,
            Events::preUpdate,
            Events::postUpdate,
            Events::preRemove,
            Events::postRemove,
        ];
    }

    public function postPersist(LifecycleEventArgs $args): void
    {
        $this->entity = $args->getObject();
        if (!$this->entity instanceof Entity) {
            return;
        }

        // Synchronisation nine2ldap
        $this->nine2ldap();

        // Recherche du group tout le monde
        $group = $this->em->getRepository("App\Entity\Group")->find(-1);
        $usergroup = new UserGroup();
        $usergroup->setUser($this->entity);
        $usergroup->setGroup($group);
        $usergroup->setApikey(Uuid::uuid4());
        $usergroup->setRolegroup(0);

        $this->em->persist($usergroup);
        $this->em->flush();
    }

    public function preUpdate(LifecycleEventArgs $args): void
    {
        $this->entity = $args->getObject();
        if (!$this->entity instanceof Entity) {
            return;
        }
    }

    public function postUpdate(LifecycleEventArgs $args): void
    {
        $this->entity = $args->getObject();
        if (!$this->entity instanceof Entity) {
            return;
        }

        // Synchronisation nine2ldap
        $this->nine2ldap();

        if (!$this->entity instanceof Entity) {
            return;
        }
    }

    public function preRemove(LifecycleEventArgs $args): void
    {
        $this->entity = $args->getObject();
        if (!$this->entity instanceof Entity) {
            return;
        }

        // Synchronisation nine2ldap
        $this->nine2ldapremove();
    }

    public function postRemove(LifecycleEventArgs $args): void
    {
        $this->entity = $args->getObject();
        if (!$this->entity instanceof Entity) {
            return;
        }
    }

    private function nine2ldap()
    {
        if ($this->ldap->isNine2Ldap()) {
            // On s'assure que la structure organisationnelle est présente
            $this->ldap->addOrganisations();

            // Ajout / Modification dans annuaire
            $filter = str_replace('*', $this->entity->getUsername(), $this->ldap->getParameter('filteruser'));
            $attributes = $this->ldap->listAttributesUser();
            $ldapentrys = $this->ldap->search($filter, $attributes, $this->ldap->getParameter('baseuser'));
            if (empty($ldapentrys)) {
                if ($this->entity->isIsactive()) {
                    $this->ldap->addUser($this->entity);
                }
            } elseif (!$this->entity->isIsactive()) {
                $this->nine2ldapremove();
            } elseif ($this->ldap->ismodifyUser($this->entity, $ldapentrys[0])) {
                $this->ldap->modifyUser($this->entity, $ldapentrys[0]['cn']);
            }

            // Mise à jour des niveaux du user
            $this->ldap->updateNiveauUser($this->entity);
        }
    }

    private function nine2ldapremove()
    {
        if ($this->ldap->isNine2Ldap()) {
            $filter = str_replace('*', $this->entity->getUsername(), $this->ldap->getParameter('filteruser'));
            $attributes = $this->ldap->listAttributesUser();
            $ldapentrys = $this->ldap->search($filter, $attributes, $this->ldap->getParameter('baseuser'));
            if (!empty($ldapentrys)) {
                $this->ldap->deleteUser($this->entity);
            }

            // Mise à jour des niveaux du user en forçant le détachement
            $this->ldap->updateNiveauUser($this->entity, true);
        }
    }
}