<?php

declare(strict_types=1);

/* For licensing terms, see /license.txt */

namespace Chamilo\CoreBundle\Entity;

use Doctrine\ORM\Mapping as ORM;
use Symfony\Component\Validator\Constraints as Assert;

#[ORM\Table(name: 'skill_rel_skill')]
#[ORM\Entity]
class SkillRelSkill
{
    #[ORM\Column(name: 'id', type: 'integer')]
    #[ORM\Id]
    #[ORM\GeneratedValue]
    protected ?int $id = null;

    #[ORM\ManyToOne(targetEntity: \Chamilo\CoreBundle\Entity\Skill::class, inversedBy: 'skills')]
    #[ORM\JoinColumn(name: 'skill_id', referencedColumnName: 'id')]
    protected Skill $skill;

    #[ORM\ManyToOne(targetEntity: \Chamilo\CoreBundle\Entity\Skill::class)]
    #[ORM\JoinColumn(name: 'parent_id', referencedColumnName: 'id', onDelete: 'SET NULL')]
    protected ?Skill $parent = null;

    #[Assert\NotBlank]
    #[ORM\Column(name: 'relation_type', type: 'integer', nullable: false)]
    protected int $relationType;

    #[Assert\NotBlank]
    #[ORM\Column(name: 'level', type: 'integer', nullable: false)]
    protected int $level;

    public function getParent(): ?Skill
    {
        return $this->parent;
    }

    public function setParent(?Skill $parent): self
    {
        $this->parent = $parent;

        return $this;
    }

    public function setRelationType(int $relationType): self
    {
        $this->relationType = $relationType;

        return $this;
    }

    /**
     * Get relationType.
     *
     * @return int
     */
    public function getRelationType()
    {
        return $this->relationType;
    }

    public function setLevel(int $level): self
    {
        $this->level = $level;

        return $this;
    }

    public function getLevel(): int
    {
        return $this->level;
    }

    public function getId(): int
    {
        return $this->id;
    }

    public function getSkill(): Skill
    {
        return $this->skill;
    }

    public function setSkill(Skill $skill): self
    {
        $this->skill = $skill;

        return $this;
    }
}