<?php

namespace League\CommonMark\Extension\CommonMark\Parser\Block;

use League\CommonMark\Extension\CommonMark\Node\Block\ListBlock;
use League\CommonMark\Extension\CommonMark\Node\Block\ListData;
use League\CommonMark\Extension\CommonMark\Node\Block\ListItem;
use League\CommonMark\Node\Block\AbstractBlock;
use League\CommonMark\Node\Block\Paragraph;
use League\CommonMark\Parser\Block\AbstractBlockContinueParser;
use League\CommonMark\Parser\Block\BlockContinue;
use League\CommonMark\Parser\Block\BlockContinueParserInterface;
use League\CommonMark\Parser\Cursor;

final class ListItemParser extends AbstractBlockContinueParser
{
    /** @psalm-readonly */
    private ListItem $block;
    private bool $hadBlankLine = false;

    public function __construct(ListData $listData)
    {
        $this->block = new ListItem($listData);
    }

    public function getBlock(): ListItem
    {
        return $this->block;
    }

    public function isContainer(): bool
    {
        return true;
    }

    public function canContain(AbstractBlock $childBlock): bool
    {
        if ($this->hadBlankLine) {
            // We saw a blank line in this list item, that means the list block is loose.
            //
            // spec: if any of its constituent list items directly contain two block-level elements with a blank line
            // between them
            $parent = $this->block->parent();
            if ($parent instanceof ListBlock) {
                $parent->setTight(false);
            }
        }

        return true;
    }

    public function tryContinue(Cursor $cursor, BlockContinueParserInterface $activeBlockParser): ?BlockContinue
    {
        if ($cursor->isBlank()) {
            if ($this->block->firstChild() === null) {
                // Blank line after empty list item
                return BlockContinue::none();
            }

            $activeBlock = $activeBlockParser->getBlock();
            // If the active block is a code block, blank lines in it should not affect if the list is tight.
            $this->hadBlankLine = $activeBlock instanceof Paragraph || $activeBlock instanceof ListItem;
            $cursor->advanceToNextNonSpaceOrTab();

            return BlockContinue::at($cursor);
        }

        $contentIndent = $this->block->getListData()->markerOffset + $this->getBlock()->getListData()->padding;
        if ($cursor->getIndent() >= $contentIndent) {
            $cursor->advanceBy($contentIndent, true);

            return BlockContinue::at($cursor);
        }

        // Note: We'll hit this case for lazy continuation lines, they will get added later.
        return BlockContinue::none();
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----OTMyMzgyNzI5MTAyNzYwNiAyMTc0NDQ1NzI2ODg3OTI4IDQ1MzgzNjg2OTI4NjM4OTQ=