<?php

namespace FOS\UserBundle\CouchDocument;

use Doctrine\ODM\CouchDB\DocumentManager;
use FOS\UserBundle\Model\UserInterface;
use FOS\UserBundle\Model\UserManager as BaseUserManager;
use FOS\UserBundle\Util\CanonicalizerInterface;
use Symfony\Component\Security\Core\Encoder\EncoderFactoryInterface;
use Symfony\Component\Validator\Constraint;

class UserManager extends BaseUserManager
{
    /**
     * @var DocumentManager
     */
    protected $dm;
    /**
     * @var DocumentRepository
     */
    protected $repository;
    /**
     * @var string
     */
    protected $class;

    /**
     * Constructor.
     *
     * @param EncoderFactoryInterface $encoderFactory
     * @param string                  $algorithm
     * @param CanonicalizerInterface  $usernameCanonicalizer
     * @param CanonicalizerInterface  $emailCanonicalizer
     * @param DocumentManager         $dm
     * @param string                  $class
     */
    public function __construct(EncoderFactoryInterface $encoderFactory, $algorithm, CanonicalizerInterface $usernameCanonicalizer, CanonicalizerInterface $emailCanonicalizer, DocumentManager $dm, $class)
    {
        parent::__construct($encoderFactory, $algorithm, $usernameCanonicalizer, $emailCanonicalizer);

        $this->dm = $dm;
        $this->repository = $dm->getRepository($class);

        $metadata = $dm->getClassMetadata($class);
        $this->class = $metadata->name;
    }

    /**
     * {@inheritDoc}
     */
    public function deleteUser(UserInterface $user)
    {
        $this->dm->remove($user);
        $this->dm->flush();
    }

    /**
     * {@inheritDoc}
     */
    public function getClass()
    {
        return $this->class;
    }

    /**
     * {@inheritDoc}
     */
    public function findUserBy(array $criteria)
    {
        return $this->repository->findOneBy($criteria);
    }

    /**
     * {@inheritDoc}
     */
    public function findUsers()
    {
        return $this->repository->findAll();
    }

    /**
     * Updates a user.
     *
     * @param UserInterface $user
     * @param Boolean $andFlush Whether to flush the changes (default true)
     */
    public function updateUser(UserInterface $user, $andFlush = true)
    {
        $this->updateCanonicalFields($user);
        $this->updatePassword($user);

        $this->dm->persist($user);
        if ($andFlush) {
            $this->dm->flush();
        }
    }

    /**
     * {@inheritDoc}
     */
    public function validateUnique(UserInterface $value, Constraint $constraint)
    {
        // for now unique checks are not implemented in Doctrine CouchDB yet
        return true;
    }

    public function reloadUser(UserInterface $user)
    {
        $this->dm->refresh($user);
    }
}