<?php
// src/model/entities/Node.php

declare(strict_types=1);

namespace App\Entity;

use Config;
use Doctrine\ORM\Mapping as ORM;

#[ORM\Entity]
#[ORM\Table(name: TABLE_PREFIX . "node")]
class Node
{
    #[ORM\Id]
    #[ORM\GeneratedValue]
    #[ORM\Column(type: "integer")]
    private int $id_node;

    #[ORM\Column(type: "string", length: 255)]
    private string $name_node;

    #[ORM\Column(type: "string", length: 255, unique: true, nullable: true)]
    private ?string $article_timestamp;

    #[ORM\Column(type: "json", nullable: true)] // type: "json" crée un longtext avec mariadb
    private ?array $attributes = null;

    #[ORM\Column(type: "integer")]
    private int $position;

    #[ORM\ManyToOne(targetEntity: self::class)]
    //#[ORM\ManyToOne(targetEntity: self::class, fetch: 'EAGER')] // À TESTER
    #[ORM\JoinColumn(name: "parent_id", referencedColumnName: "id_node", onDelete: "SET NULL", nullable: true)]
    private ?self $parent = null;

    #[ORM\ManyToOne(targetEntity: Page::class)]
    #[ORM\JoinColumn(name: "page_id", referencedColumnName: "id_page", onDelete: "SET DEFAULT", nullable: true)]
    private ?Page $page;

    #[ORM\ManyToOne(targetEntity: Article::class, cascade: ['persist'])]
    #[ORM\JoinColumn(name: "article_id", referencedColumnName: "id_article", onDelete: "SET NULL", nullable: true)]
    private ?Article $article = null;

    // propriété non mappée dans la table "node", la jointure est décrite dans NodeData
    // elle sert à persister ou supprimer des données par cascade
    // "mappedBy" permet de cibler $node dans l'autre classe, qui elle possède un "inversedBy"
    #[ORM\OneToOne(targetEntity: NodeData::class, mappedBy: "node", cascade: ['persist', 'remove'])]
    private ?NodeData $node_data = null;


    // -- fin des attributs destinés à doctrine, début du code utilisateur --
    
    private array $children = []; // tableau de Node
    private ?self $temp_child = null; // = "new" est l'enfant de "main" lorsque la page est "article"

    public function __construct(string $name = '', ?string $article_timestamp = null, array $attributes = [], int $position = 0, ?self $parent = null, ?Page $page = null, ?Article $article = null)
    {
        $this->name_node = $name;
        $this->article_timestamp = $article_timestamp;
        $this->attributes = $attributes;
        $this->position = $position;
        $this->parent = $parent;
        $this->page = $page;
        $this->article = $article;
    }

    // pfff...
    public function getId(): int
    {
        return $this->id_node;
    }
    public function getName(): string
    {
        return $this->name_node;
    }
    /*public function setName(string $name): void
    {
        $this->name_node = $name;
    }*/
    public function getArticleTimestamp(): string
    {
        return $this->article_timestamp;
    }
    public function getAttributes(): array
    {
        return $this->attributes;
    }
    /*public function setAttributes(array $attributes): void
    {
        $this->attributes = $attributes;
    }*/
    public function getParent(): ?self
    {
        return $this->parent;
    }
    /*public function setParent(?self $parent): void
    {
        $this->parent = $parent;
    }*/
    public function getPosition(): int
    {
        return $this->position;
    }
    public function setPosition(int $position): void
    {
        $this->position = $position;
    }
    public function getPage(): Page
    {
        return $this->page;
    }
    /*public function setPage(Page $page): void
    {
        $this->page = $page;
    }*/
    public function getArticle(): Article
    {
        return $this->article;
    }
    /*public function setArticle(Article $article): void
    {
        $this->article = $article;
    }*/
    public function getNodeData(): ?NodeData
    {
        return $this->node_data;
    }
    public function getChildren(): array
    {
        return $this->children;
    }
    public function addChild(self $child): void
    {
        $this->children[] = $child;
        $this->sortChildren(false);
    }
    // utiliser $position pour afficher les éléments dans l'ordre
    public function sortChildren(bool $reposition = false): void
    {
        // ordre du tableau des enfants
        // inefficace quand des noeuds ont la même position
        
        // tri par insertion
        for($i = 1; $i < count($this->children); $i++)
        {
            $tmp = $this->children[$i];
            $j = $i - 1;

            // Déplacez les éléments du tableau qui sont plus grands que la clé
            // à une position devant leur position actuelle
            while ($j >= 0 && $this->children[$j]->getPosition() > $tmp->getPosition()) {
                $this->children[$j + 1] = $this->children[$j];
                $j = $j - 1;
            }
            $this->children[$j + 1] = $tmp;
        }

        // nouvelles positions
        if($reposition){
            $i = 1;
            foreach($this->children as $child){
                $child->setPosition($i);
                $i++;
            }
        }
    }
    public function removeChild(self $child): void
    {
        foreach($this->children as $key => $object){
            if($object->getId() === $child->getId()){
                unset($this->children[$key]);
            }
            break;
        }
        $this->children = array_values($this->children); // réindexer pour supprimer la case vide
    }

    public function getTempChild(): ?self // peut renvoyer null
    {
        return $this->temp_child;
    }
    public function setTempChild(self $child): void
    {
        $this->temp_child = $child;
    }
}