<?php

namespace App\EventListener;

use App\Entity\Group 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 GroupSubscriber 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();

        // On s'assure que le propriétaire est bien membre du groupe avec le role manager
        $this->ctrlOwner();
    }

    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();

        // On s'assure que le propriétaire est bien membre du groupe avec le role manager
        $this->ctrlOwner();
    }

    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 group dans annuaire
            $filter = 'gidnumber='.$this->entity->getId();
            $attributes = $this->ldap->listAttributesGroup();
            $ldapentrys = $this->ldap->search($filter, $attributes, $this->ldap->getParameter('basegroup'));
            if (empty($ldapentrys)) {
                $this->ldap->addGroup($this->entity);
            } elseif ($this->ldap->ismodifyGroup($this->entity, $ldapentrys[0])) {
                $this->ldap->modifyGroup($this->entity, $ldapentrys[0]['cn']);
            }
        }
    }

    private function nine2ldapremove()
    {
        if ($this->ldap->isNine2Ldap()) {
            $filter = 'gidnumber='.$this->entity->getId();
            $attributes = $this->ldap->listAttributesGroup();
            $ldapentrys = $this->ldap->search($filter, $attributes, $this->ldap->getParameter('basegroup'));
            if (!empty($ldapentrys)) {
                $this->ldap->deleteGroup($this->entity);
            }
        }
    }

    private function ctrlOwner()
    {
        $group = $this->entity;

        // Le propriétaire passe manager
        $usergroups = $this->em->getRepository("App\Entity\UserGroup")->findBy(['group' => $group, 'rolegroup' => '100']);
        foreach ($usergroups as $usergroup) {
            if ($usergroup->getUser() != $group->getOwner()) {
                $usergroup->setRolegroup(90);
                $this->em->flush();
            }
        }

        // Le propriétaire prend son role dans le groupe
        if ($group->getOwner()) {
            $usergroup = $this->em->getRepository("App\Entity\UserGroup")->findOneBy(['group' => $group, 'user' => $group->getOwner()]);
            if (!$usergroup) {
                $usergroup = new UserGroup();
                $usergroup->setUser($group->getOwner());
                $usergroup->setGroup($group);
                $usergroup->setApikey(Uuid::uuid4());
                $usergroup->setRolegroup(100);
                $this->em->persist($usergroup);
                $this->em->flush();
            } elseif (100 != $usergroup->getRolegroup()) {
                $usergroup->setRolegroup(100);
                $this->em->flush();
            }
        }
    }
}