<?php

namespace App\Entity\Campaign\Keyword;

use App\Entity\Campaign\Keyword;
use App\Entity\Traits\TimestampableTrait;
use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\Common\Collections\Collection;
use Doctrine\ORM\Mapping as ORM;

/**
 * @ORM\Entity()
 * * @ORM\Table(name="campaign_keyword_tag")
 */
class Tag
{
    use TimestampableTrait;

    /**
     * @ORM\Id()
     * @ORM\GeneratedValue()
     * @ORM\Column(type="integer")
     */
    private $id;

    /**
     * @ORM\Column(type="string", length=255)
     */
    private $title;

    /**
     * @ORM\ManyToMany(targetEntity="App\Entity\Campaign\Keyword", mappedBy="tags")
     */
    private $keywords;

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

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

    public function getTitle(): ?string
    {
        return $this->title;
    }

    public function setTitle(string $title): self
    {
        $this->title = $title;

        return $this;
    }

    /**
     * @return Collection
     */
    public function getKeywords(): Collection
    {
        return $this->keywords;
    }

    public function addKeywords(Keyword $keyword): self
    {
        if (!$this->keywords->contains($keyword)) {
            $this->keywords[] = $keyword;
            $keyword->addTag($this);
        }

        return $this;
    }
}