<?php

namespace App\Entity;

use Doctrine\ORM\Mapping as ORM;
use Symfony\Component\Uid\Uuid;

#[ORM\Entity]
#[ORM\Table(name: 'knowledge_tag')]
#[ORM\Index(name: 'idx_knowledge_tag_slug', columns: ['slug'])]
#[ORM\Index(name: 'idx_knowledge_tag_label', columns: ['label'])]
class Tag
{
    #[ORM\Id]
    #[ORM\Column(type: 'uuid', unique: true)]
    private Uuid $id;

    #[ORM\Column(length: 120, unique: true)]
    private string $slug;

    #[ORM\Column(length: 180)]
    private string $label;

    #[ORM\Column(type: 'text', nullable: true)]
    private ?string $description = null;

    /**
     * NEU: Governance-Typ des Tags
     * - generic
     * - catalog_entity
     */
    #[ORM\Column(length: 50)]
    private string $type = 'generic';

    #[ORM\Column]
    private \DateTimeImmutable $createdAt;

    public function __construct(string $slug, string $label, ?string $description = null)
    {
        $this->id = Uuid::v4();
        $this->createdAt = new \DateTimeImmutable();

        $this->slug = $slug;
        $this->label = $label;
        $this->description = $description;
    }

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

    public function getSlug(): string
    {
        return $this->slug;
    }

    public function setSlug(string $slug): static
    {
        $this->slug = $slug;
        return $this;
    }

    public function getLabel(): string
    {
        return $this->label;
    }

    public function setLabel(string $label): static
    {
        $this->label = $label;
        return $this;
    }

    public function getDescription(): ?string
    {
        return $this->description;
    }

    public function setDescription(?string $description): static
    {
        $this->description = $description;
        return $this;
    }

    public function getType(): string
    {
        return $this->type;
    }

    public function setType(string $type): static
    {
        $type = trim($type);
        $this->type = $type !== '' ? $type : 'generic';
        return $this;
    }

    public function getCreatedAt(): \DateTimeImmutable
    {
        return $this->createdAt;
    }
}