<?php

namespace App\Entity;

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

/**
 * @ORM\Entity(repositoryClass="App\Repository\BookRepository")
 * @ORM\Table(name="books")
 * @ORM\HasLifecycleCallbacks
 */
class Book
{
    /**
     * @ORM\Id()
     * @ORM\GeneratedValue()
     * @ORM\Column(type="integer", options={"unsigned":true})
     */
    private $id;

    /**
     * @ORM\Column(type="string", length=32)
     */
    private $slug;

    /**
     * @ORM\Column(type="string", length=255, nullable=true)
     *
     * @Assert\NotBlank(message="Please, upload the product brochure as a Image file.")
     * @Assert\File(mimeTypes={ "image/jpeg" })
     */
    private $cover;

    /**
     * @ORM\Column(type="string", length=32)
     */
    private $name;

    /**
     * @ORM\Column(type="text")
     */
    private $description;

    /**
     * @ORM\Column(type="date")
     */
    private $released_at;

    /**
     * @ORM\Column(type="datetime")
     */
    private $created_at;

    /**
     * @ORM\Column(type="datetime", nullable=true)
     */
    private $updated_at;

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

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

    public function setSlug(string $slug): self
    {
        $this->slug = $slug;

        return $this;
    }

    public function getCover()
    {
        return $this->cover;
    }

    public function setCover($cover): self
    {
        $this->cover = $cover;

        return $this;
    }

    public function getName(): ?string
    {
        return $this->name;
    }

    public function setName(string $name): self
    {
        $this->name = $name;

        return $this;
    }

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

    public function setDescription(string $description): self
    {
        $this->description = $description;

        return $this;
    }

    public function getReleasedAt(): ?\DateTimeInterface
    {
        return $this->released_at;
    }

    public function setReleasedAt(\DateTimeInterface $released_at): self
    {
        $this->released_at = $released_at;

        return $this;
    }

    public function getCreatedAt(): ?\DateTimeInterface
    {
        return $this->created_at;
    }

    public function setCreatedAt(\DateTimeInterface $created_at): self
    {
        $this->created_at = $created_at;

        return $this;
    }

    public function getUpdatedAt(): ?\DateTimeInterface
    {
        return $this->updated_at;
    }

    public function setUpdatedAt(?\DateTimeInterface $updated_at): self
    {
        $this->updated_at = $updated_at;

        return $this;
    }

    /**
     *
     * @ORM\PrePersist
     * @ORM\PreUpdate
     */
    public function updatedTimestamps()
    {
        $this->setUpdatedAt(new \DateTime('now'));
        $this->setCreatedAt($this->getCreatedAt() ?? new \DateTime('now'));
    }
}