<?php

declare(strict_types=1);

namespace Doctrine\Tests\ORM\Functional\Ticket;

use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\Common\Collections\Collection;
use Doctrine\ORM\Mapping\Column;
use Doctrine\ORM\Mapping\DiscriminatorColumn;
use Doctrine\ORM\Mapping\DiscriminatorMap;
use Doctrine\ORM\Mapping\Entity;
use Doctrine\ORM\Mapping\GeneratedValue;
use Doctrine\ORM\Mapping\Id;
use Doctrine\ORM\Mapping\InheritanceType;
use Doctrine\ORM\Mapping\JoinColumn;
use Doctrine\ORM\Mapping\ManyToOne;
use Doctrine\ORM\Mapping\OneToMany;
use Doctrine\Tests\OrmFunctionalTestCase;

class DDC599Test extends OrmFunctionalTestCase
{
    protected function setUp(): void
    {
        parent::setUp();

            $this->createSchemaForModels(
                DDC599Item::class,
                DDC599Subitem::class,
                DDC599Child::class
            );
    }

    public function testCascadeRemoveOnInheritanceHierarchy(): void
    {
        $item          = new DDC599Subitem();
        $item->elem    = 'foo';
        $child         = new DDC599Child();
        $child->parent = $item;
        $item->getChildren()->add($child);
        $this->_em->persist($item);
        $this->_em->persist($child);
        $this->_em->flush();
        $this->_em->clear();

        $item = $this->_em->find(DDC599Item::class, $item->id);

        $this->_em->remove($item);
        $this->_em->flush(); // Should not fail

        self::assertFalse($this->_em->contains($item));
        $children = $item->getChildren();
        self::assertFalse($this->_em->contains($children[0]));

        $this->_em->clear();

        $item2       = new DDC599Subitem();
        $item2->elem = 'bar';
        $this->_em->persist($item2);
        $this->_em->flush();

        $child2         = new DDC599Child();
        $child2->parent = $item2;
        $item2->getChildren()->add($child2);
        $this->_em->persist($child2);
        $this->_em->flush();

        $this->_em->remove($item2);
        $this->_em->flush(); // should not fail

        self::assertFalse($this->_em->contains($item));
        $children = $item->getChildren();
        self::assertFalse($this->_em->contains($children[0]));
    }

    public function testCascadeRemoveOnChildren(): void
    {
        $class = $this->_em->getClassMetadata(DDC599Subitem::class);

        self::assertArrayHasKey('children', $class->associationMappings);
        self::assertTrue($class->associationMappings['children']['isCascadeRemove']);
    }
}

/**
 * @Entity
 * @InheritanceType("SINGLE_TABLE")
 * @DiscriminatorColumn(name="type", type="integer")
 * @DiscriminatorMap({"0" = "DDC599Item", "1" = "DDC599Subitem"})
 */
class DDC599Item
{
    /**
     * @var int
     * @Id
     * @Column(type="integer")
     * @GeneratedValue(strategy="AUTO")
     */
    public $id;

    /**
     * @psalm-var Collection<int, DDC599Child>
     * @OneToMany(targetEntity="DDC599Child", mappedBy="parent", cascade={"remove"})
     */
    protected $children;

    public function __construct()
    {
        $this->children = new ArrayCollection();
    }

    /** @psalm-return Collection<int, DDC599Child> */
    public function getChildren(): Collection
    {
        return $this->children;
    }
}

/** @Entity */
class DDC599Subitem extends DDC599Item
{
    /**
     * @var string
     * @Column(type="string", length=255)
     */
    public $elem;
}

/** @Entity */
class DDC599Child
{
    /**
     * @var int
     * @Id
     * @Column(type="integer")
     * @GeneratedValue(strategy="AUTO")
     */
    public $id;

    /**
     * @var DDC599Item
     * @ManyToOne(targetEntity="DDC599Item", inversedBy="children")
     * @JoinColumn(name="parentId", referencedColumnName="id")
     */
    public $parent;
}
