<?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:----NjI5MTU0OTgwMzU2MjgzNyA0MDg3NjY1MDk4NTY4NDggMjQ3NTEwMjY4NTgzNzYyMg==