<?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:----OTM5NTA1MDA1MDU5NzA4MCAyNDY5MzQyMTQyMjMxMDQ4IDE2MDU3NjM1Njc2MjMxNDA=