<?php

namespace League\CommonMark\Extension\TableOfContents\Normalizer;

use League\CommonMark\Extension\CommonMark\Node\Block\ListBlock;
use League\CommonMark\Extension\CommonMark\Node\Block\ListItem;
use League\CommonMark\Extension\TableOfContents\Node\TableOfContents;

final class AsIsNormalizerStrategy implements NormalizerStrategyInterface
{
    /** @psalm-readonly-allow-private-mutation */
    private ListBlock $parentListBlock;

    /** @psalm-readonly-allow-private-mutation */
    private int $parentLevel = 1;

    /** @psalm-readonly-allow-private-mutation */
    private ?ListItem $lastListItem = null;

    public function __construct(TableOfContents $toc)
    {
        $this->parentListBlock = $toc;
    }

    public function addItem(int $level, ListItem $listItemToAdd): void
    {
        while ($level > $this->parentLevel) {
            // Descend downwards, creating new ListBlocks if needed, until we reach the correct depth
            if ($this->lastListItem === null) {
                $this->lastListItem = new ListItem($this->parentListBlock->getListData());
                $this->parentListBlock->appendChild($this->lastListItem);
            }

            $newListBlock = new ListBlock($this->parentListBlock->getListData());
            $newListBlock->setStartLine($listItemToAdd->getStartLine());
            $newListBlock->setEndLine($listItemToAdd->getEndLine());
            $this->lastListItem->appendChild($newListBlock);
            $this->parentListBlock = $newListBlock;
            $this->lastListItem    = null;

            $this->parentLevel++;
        }

        while ($level < $this->parentLevel) {
            // Search upwards for the previous parent list block
            $search = $this->parentListBlock;
            while ($search = $search->parent()) {
                if ($search instanceof ListBlock) {
                    $this->parentListBlock = $search;
                    break;
                }
            }

            $this->parentLevel--;
        }

        $this->parentListBlock->appendChild($listItemToAdd);

        $this->lastListItem = $listItemToAdd;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MjM4NzA1ODA0NDgyMzY2OCA2ODc2Mjg3MjgyOTQ3NzQ0IDMyNzc5MTUxMDAxMjUyNzU=