<?php

declare(strict_types=1);

namespace Doctrine\Tests\ORM\Functional;

use Doctrine\DBAL\Exception\UniqueConstraintViolationException;
use Doctrine\ORM\OptimisticLockException;
use Doctrine\Tests\Models\CMS\CmsAddress;
use Doctrine\Tests\Models\CMS\CmsArticle;
use Doctrine\Tests\Models\CMS\CmsPhonenumber;
use Doctrine\Tests\Models\CMS\CmsUser;
use Doctrine\Tests\OrmFunctionalTestCase;

use function count;
use function get_class;
use function serialize;
use function unserialize;

/**
 * Description of DetachedEntityTest
 */
class DetachedEntityTest extends OrmFunctionalTestCase
{
    protected function setUp(): void
    {
        $this->useModelSet('cms');

        parent::setUp();
    }

    public function testSimpleDetachMerge(): void
    {
        $user           = new CmsUser();
        $user->name     = 'Roman';
        $user->username = 'romanb';
        $user->status   = 'dev';
        $this->_em->persist($user);
        $this->_em->flush();
        $this->_em->clear();

        // $user is now detached
        self::assertFalse($this->_em->contains($user));

        $user->name = 'Roman B.';

        $user2 = $this->_em->merge($user);

        self::assertFalse($user === $user2);
        self::assertTrue($this->_em->contains($user2));
        self::assertEquals('Roman B.', $user2->name);
    }

    public function testSerializeUnserializeModifyMerge(): void
    {
        $user           = new CmsUser();
        $user->name     = 'Guilherme';
        $user->username = 'gblanco';
        $user->status   = 'developer';

        $ph1              = new CmsPhonenumber();
        $ph1->phonenumber = '1234';
        $user->addPhonenumber($ph1);

        $this->_em->persist($user);
        $this->_em->flush();

        self::assertTrue($this->_em->contains($user));
        self::assertTrue($user->phonenumbers->isInitialized());

        $serialized = serialize($user);

        $this->_em->clear();

        self::assertFalse($this->_em->contains($user));

        unset($user);

        $user = unserialize($serialized);

        self::assertEquals(1, count($user->getPhonenumbers()), 'Pre-Condition: 1 Phonenumber');

        $ph2 = new CmsPhonenumber();

        $ph2->phonenumber = '56789';
        $user->addPhonenumber($ph2);

        $oldPhonenumbers = $user->getPhonenumbers();

        self::assertEquals(2, count($oldPhonenumbers), 'Pre-Condition: 2 Phonenumbers');
        self::assertFalse($this->_em->contains($user));

        $this->_em->persist($ph2);

        // Merge back in
        $user = $this->_em->merge($user); // merge cascaded to phonenumbers
        self::assertInstanceOf(CmsUser::class, $user->phonenumbers[0]->user);
        self::assertInstanceOf(CmsUser::class, $user->phonenumbers[1]->user);
        $im = $this->_em->getUnitOfWork()->getIdentityMap();
        $this->_em->flush();

        self::assertTrue($this->_em->contains($user), 'Failed to assert that merged user is contained inside EntityManager persistence context.');
        $phonenumbers = $user->getPhonenumbers();
        self::assertNotSame($oldPhonenumbers, $phonenumbers, 'Merge should replace the Detached Collection with a new PersistentCollection.');
        self::assertEquals(2, count($phonenumbers), 'Failed to assert that two phonenumbers are contained in the merged users phonenumber collection.');

        self::assertInstanceOf(CmsPhonenumber::class, $phonenumbers[1]);
        self::assertTrue($this->_em->contains($phonenumbers[1]), 'Failed to assert that second phonenumber in collection is contained inside EntityManager persistence context.');

        self::assertInstanceOf(CmsPhonenumber::class, $phonenumbers[0]);
        self::assertTrue($this->_em->getUnitOfWork()->isInIdentityMap($phonenumbers[0]));
        self::assertTrue($this->_em->contains($phonenumbers[0]), 'Failed to assert that first phonenumber in collection is contained inside EntityManager persistence context.');
    }

    /** @group DDC-203 */
    public function testDetachedEntityThrowsExceptionOnFlush(): void
    {
        $ph              = new CmsPhonenumber();
        $ph->phonenumber = '12345';

        $this->_em->persist($ph);
        $this->_em->flush();
        $this->_em->clear();

        $this->_em->persist($ph);

        // since it tries to insert the object twice (with the same PK)
        $this->expectException(UniqueConstraintViolationException::class);
        $this->_em->flush();
    }

    public function testUninitializedLazyAssociationsAreIgnoredOnMerge(): void
    {
        $user           = new CmsUser();
        $user->name     = 'Guilherme';
        $user->username = 'gblanco';
        $user->status   = 'developer';

        $address          = new CmsAddress();
        $address->city    = 'Berlin';
        $address->country = 'Germany';
        $address->street  = 'Sesamestreet';
        $address->zip     = 12345;
        $address->setUser($user);
        $this->_em->persist($address);
        $this->_em->persist($user);

        $this->_em->flush();
        $this->_em->clear();

        $address2 = $this->_em->find(get_class($address), $address->id);
        self::assertTrue($this->isUninitializedObject($address2->user));
        $detachedAddress2 = unserialize(serialize($address2));
        self::assertTrue($this->isUninitializedObject($detachedAddress2->user));

        $managedAddress2 = $this->_em->merge($detachedAddress2);
        self::assertFalse($managedAddress2->user === $detachedAddress2->user);
        self::assertTrue($this->isUninitializedObject($managedAddress2->user));
    }

    /** @group DDC-822 */
    public function testUseDetachedEntityAsQueryParameter(): void
    {
        $user           = new CmsUser();
        $user->name     = 'Guilherme';
        $user->username = 'gblanco';
        $user->status   = 'developer';

        $this->_em->persist($user);

        $this->_em->flush();
        $this->_em->detach($user);

        $dql   = 'SELECT u FROM ' . CmsUser::class . ' u WHERE u.id = ?1';
        $query = $this->_em->createQuery($dql);
        $query->setParameter(1, $user);

        $newUser = $query->getSingleResult();

        self::assertInstanceOf(CmsUser::class, $newUser);
        self::assertEquals('gblanco', $newUser->username);
    }

    /** @group DDC-920 */
    public function testDetachManagedUnpersistedEntity(): void
    {
        $user           = new CmsUser();
        $user->name     = 'Guilherme';
        $user->username = 'gblanco';
        $user->status   = 'developer';

        $this->_em->persist($user);
        $this->_em->detach($user);

        $this->_em->flush();

        self::assertFalse($this->_em->contains($user));
        self::assertFalse($this->_em->getUnitOfWork()->isInIdentityMap($user));
    }

    /** @group DDC-1340 */
    public function testMergeArticleWrongVersion(): void
    {
        $article        = new CmsArticle();
        $article->topic = 'test';
        $article->text  = 'test';

        $this->_em->persist($article);
        $this->_em->flush();

        $this->_em->detach($article);

        $sql = 'UPDATE cms_articles SET version = version + 1 WHERE id = ' . $article->id;
        $this->_em->getConnection()->executeStatement($sql);

        $this->expectException(OptimisticLockException::class);
        $this->expectExceptionMessage('The optimistic lock failed, version 1 was expected, but is actually 2');

        $this->_em->merge($article);
    }
}