<?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:----OTY0MjY2NzMzNjA0NjA1MiA5MTczOTM3MDg2NjEzMjA1IDUzMzA4Nzc1MDA3Mjk0Mzc=