<?php

namespace App\Entity;

use App\Entity\User;
use App\Repository\ArticleRepository;
use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\Common\Collections\Collection;
use Doctrine\ORM\Mapping as ORM;
use Symfony\Component\Validator\Constraints as Assert;
    /////////////////////////////////////////////////////
    // we use Assert to simplify instead of constraints//
    /////////////////////////////////////////////////////

/**
 * @ORM\Entity(repositoryClass=ArticleRepository::class)
 */
class Article
{
    /**
     * @ORM\Id
     * @ORM\GeneratedValue
     * @ORM\Column(type="integer")
     */
    private $id;

    /**
     * @ORM\Column(type="string", length=255)
     * @Assert\Length(min=5,max=255, minMessage="votre titre est trop court!")
     */
    private $title;

    /**
     * @ORM\Column(type="string", length=3000)
     * @Assert\Length(min=10)
     */
    private $content;

    /**
     * @ORM\Column(type="string", length=3000)
     * @Assert\Length(min=10,max=3000, minMessage="votre contenu d'article doit etre au minimum de 80 caractere !")
     */
    private $picture;

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

    /**
     * @ORM\ManyToOne(targetEntity=Category::class, inversedBy="articles")
     * @ORM\JoinColumn(nullable=false)
     */
    private $category;

    /**
     * @ORM\OneToMany(targetEntity=ArticleLike::class, mappedBy="article")
     */
    private $likes;

    public function __construct()
    {
        $this->likes = 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;
    }

    public function getContent(): ?string
    {
        return $this->content;
    }

    public function setContent(string $content): self
    {
        $this->content = $content;

        return $this;
    }

    public function getPicture(): ?string
    {
        return $this->picture;
    }

    public function setPicture(string $picture): self
    {
        $this->picture = $picture;

        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 getCategory(): ?Category
    {
        return $this->category;
    }

    public function setCategory(?Category $category): self
    {
        $this->category = $category;

        return $this;
    }

    
    public function __toString() 
    {
    return $this->title + $this->likes;
     
    }

    /**
     * @return Collection|ArticleLike[]
     */
    public function getLikes(): Collection
    {
        return $this->likes;
    }

    public function addLike(ArticleLike $like): self
    {
        if (!$this->likes->contains($like)) {
            $this->likes[] = $like;
            $like->setArticle($this);
        }

        return $this;
    }

    public function removeLike(ArticleLike $like): self
    {
        if ($this->likes->removeElement($like)) {
            // set the owning side to null (unless already changed)
            if ($like->getArticle() === $this) {
                $like->setArticle(null);
            }
        }

        return $this;
    }
     /*method crée pour voir si l'utilisateur aime déja l'article*/
    public function likedByUser(User $user): bool 
    {
        foreach($this->likes as $like) {
            
            if($like->getUser()== $user) {
                return true;
            }
        }
        return false; 
    } 
}