<?php

namespace KupShop\ContentBundle\Entity;

use Doctrine\Common\Collections\Collection;
use Doctrine\ORM\Mapping as ORM;
use Doctrine\ORM\PersistentCollection;
use KupShop\ContentBundle\Util\BlockCollection;
use KupShop\I18nBundle\Entity\Interfaces\ITranslatableEntity;
use KupShop\I18nBundle\Translations\BlocksTranslation;
use KupShop\I18nBundle\Translations\ITranslation;
use KupShop\KupShopBundle\Util\Compat\ServiceContainer;

/**
 * Html Pages Blocks.
 *
 * @ORM\Table(name="blocks", indexes={
 *
 *     @ORM\Index(name="fk_id_root", columns={"id_root"}),
 *     @ORM\Index(name="position", columns={"position"}),
 *     @ORM\Index(name="fk_id_parent", columns={"id_parent"})
 * })
 *
 * @ORM\Entity
 */
class Block implements ITranslatableEntity
{
    public function getTranslation(): ITranslation
    {
        return ServiceContainer::getService(BlocksTranslation::class);
    }

    /**
     * @var int
     *
     * @ORM\Column(name="id", type="integer", options={"unsigned"=true})
     *
     * @ORM\Id
     *
     * @ORM\GeneratedValue(strategy="IDENTITY")
     */
    private $id;

    /**
     * @var int
     *
     * @ORM\Column(name="position", type="integer", nullable=false, options={"unsigned"=true, "default"="0"})
     */
    private $position = '0';

    /**
     * @var string
     *
     * @ORM\Column(name="identifier", type="string", length=255, options={"default"=""})
     */
    private $identifier = '';

    /**
     * @var string
     *
     * @ORM\Column(name="name", type="string", length=50, options={"default"=""})
     */
    private $name = '';

    /**
     * @var string
     *
     * @ORM\Column(name="content", type="text", nullable=true)
     */
    private $content;

    /**
     * @var string
     *
     * @ORM\Column(name="json_content", type="text", nullable=true)
     */
    private $json_content;

    /**
     * One root Block has Many nested Blocks.
     *
     * @ORM\OneToMany(targetEntity="Block", mappedBy="root")
     *
     * @ORM\OrderBy(value={"position":"ASC"})
     */
    private $blocks;

    /** @var BlockCollection */
    private $blocksHierarchy;

    /**
     * Many Blocks have One root Block.
     *
     * @ORM\ManyToOne(targetEntity="Block", inversedBy="blocks")
     *
     * @ORM\JoinColumn(name="id_root", referencedColumnName="id")
     */
    private $root;

    /**
     * One parent Block has Many direct child Blocks.
     *
     * @ORM\OneToMany(targetEntity="Block", mappedBy="parent")
     */
    private $children;

    /**
     * Many Blocks have One parent Block.
     *
     * @ORM\ManyToOne(targetEntity="Block", inversedBy="children")
     *
     * @ORM\JoinColumn(name="id_parent", referencedColumnName="id")
     */
    private $parent;

    /**
     * One Block has Many Photos.
     *
     * @ORM\ManyToMany(targetEntity="KupShop\ContentBundle\Entity\Photo")
     *
     * @ORM\JoinTable(name="photos_blocks_relation",
     *      joinColumns={@ORM\JoinColumn(name="id_block", referencedColumnName="id")},
     *      inverseJoinColumns={@ORM\JoinColumn(name="id_photo", referencedColumnName="id")}
     * )
     * ORM\OrderBy({"position" = "ASC"})
     */
    private $photos;

    private $isWrapped = false;

    private $unwrapped_content;

    /**
     * Get id.
     *
     * @return int
     */
    public function getId()
    {
        return $this->id;
    }

    public function setIsWrapped($isWrapped)
    {
        $this->isWrapped = $isWrapped;

        return $this;
    }

    public function getIsWrapped()
    {
        return $this->isWrapped;
    }

    public function setUnwrapped_content($unwrapped_content)
    {
        $this->unwrapped_content = $unwrapped_content;

        return $this;
    }

    public function getUnwrapped_content()
    {
        return $this->unwrapped_content;
    }

    /**
     * Set position.
     *
     * @param int $position
     *
     * @return Block
     */
    public function setPosition($position)
    {
        $this->position = $position;

        return $this;
    }

    /**
     * Get position.
     *
     * @return int
     */
    public function getPosition()
    {
        return $this->position;
    }

    /**
     * Set identifier.
     *
     * @param string $identifier
     *
     * @return Block
     */
    public function setIdentifier($identifier)
    {
        $this->identifier = $identifier;

        return $this;
    }

    /**
     * Get identifier.
     *
     * @return string
     */
    public function getIdentifier()
    {
        return $this->identifier;
    }

    /**
     * Set name.
     *
     * @param string $name
     *
     * @return Block
     */
    public function setName($name)
    {
        $this->name = $name;

        return $this;
    }

    /**
     * Get name.
     *
     * @return string
     */
    public function getName()
    {
        return $this->name;
    }

    /**
     * Set content.
     *
     * @param string $content
     *
     * @return Block
     */
    public function setContent($content)
    {
        $this->content = $content;

        return $this;
    }

    /**
     * Get content.
     *
     * @return string
     */
    public function getContent()
    {
        return $this->content;
    }

    /**
     * Set content.
     *
     * @param string $json_content
     *
     * @return Block
     */
    public function setJsonContent($json_content)
    {
        $this->json_content = $json_content;

        return $this;
    }

    /**
     * Get content.
     *
     * @return string
     */
    public function getJsonContent()
    {
        return $this->json_content;
    }

    /**
     * Set parent.
     *
     * @return Block
     */
    public function setParent(?Block $parent = null)
    {
        $this->parent = $parent;

        return $this;
    }

    /**
     * Get parent.
     *
     * @return Block
     */
    public function getParent()
    {
        return $this->parent;
    }

    /**
     * @return Collection
     */
    public function getChildren()
    {
        return $this->children;
    }

    public function addChild(Block $child)
    {
        $this->children[] = $child;
        $child->setParent($this);
    }

    /**
     * Constructor.
     */
    public function __construct()
    {
        $this->blocks = new \Doctrine\Common\Collections\ArrayCollection();
        $this->children = new \Doctrine\Common\Collections\ArrayCollection();
        $this->photos = new \Doctrine\Common\Collections\ArrayCollection();
    }

    /**
     * Add photo.
     *
     * @return Block
     */
    public function addPhoto(Block $photo)
    {
        $this->photos[] = $photo;

        return $this;
    }

    /**
     * Remove photo.
     */
    public function removePhoto(Block $photo)
    {
        $this->photos->removeElement($photo);
    }

    /**
     * Get photos.
     *
     * @return Photo[]|Collection
     */
    public function getPhotos(): Collection
    {
        return $this->photos;
    }

    /**
     * Set root.
     *
     * @return Block
     */
    public function setRoot(?Block $root = null)
    {
        $this->root = $root;

        return $this;
    }

    /**
     * Get root.
     *
     * @return Block
     */
    public function getRoot()
    {
        return $this->root;
    }

    /**
     * Get blocks.
     *
     * @return Collection
     */
    public function getBlocks()
    {
        return $this->blocks;
    }

    /** Get blocks hierarchy
     * returns only root blocks with cached children.
     *
     * @return Collection
     */
    public function getBlocksHierarchy()
    {
        if (!$this->blocksHierarchy) {
            $this->blocksHierarchy = $this::buildBlocksHierarchy($this->getBlocks());
        }

        return $this->blocksHierarchy;
    }

    public static function buildBlocksHierarchy(Collection $blocks): BlockCollection
    {
        /** @var Block[] $block_ids */
        $block_ids = [];
        $blocksHierarchy = new BlockCollection();

        /** @var Block $block */
        foreach ($blocks as $index => $block) {
            if ($block->children instanceof PersistentCollection) {
                $block->children->setInitialized(true);
            }

            $block_ids[$block->getId()] = $block;

            if ($block->getParent() !== $block->getRoot()) {
                $block_ids[$block->getParent()->getId()]->addChild($block);
            } else {
                $blocksHierarchy[] = $block;
            }
        }

        return $blocksHierarchy;
    }

    /**
     * Add block.
     *
     * @return Block
     */
    public function addBlock(Block $block)
    {
        $this->blocks[] = $block;

        return $this;
    }

    /**
     * Remove block.
     */
    public function removeBlock(Block $block)
    {
        $this->blocks->removeElement($block);
    }

    /**
     * Remove child.
     */
    public function removeChild(Block $child)
    {
        $this->children->removeElement($child);
    }

    public function setId(int $id): void
    {
        $this->id = $id;
    }
}