<?php

namespace League\CommonMark\Extension\Embed;

use League\CommonMark\Parser\Block\BlockStart;
use League\CommonMark\Parser\Block\BlockStartParserInterface;
use League\CommonMark\Parser\Cursor;
use League\CommonMark\Parser\MarkdownParserStateInterface;
use League\CommonMark\Util\LinkParserHelper;

class EmbedStartParser implements BlockStartParserInterface
{
    public function tryStart(Cursor $cursor, MarkdownParserStateInterface $parserState): ?BlockStart
    {
        if ($cursor->isIndented() || $parserState->getParagraphContent() !== null || ! ($parserState->getActiveBlockParser()->isContainer())) {
            return BlockStart::none();
        }

        // 0-3 leading spaces are okay
        $cursor->advanceToNextNonSpaceOrTab();

        // The line must begin with "https://"
        if (! str_starts_with($cursor->getRemainder(), 'https://')) {
            return BlockStart::none();
        }

        // A valid link must be found next
        if (($dest = LinkParserHelper::parseLinkDestination($cursor)) === null) {
            return BlockStart::none();
        }

        // Skip any trailing whitespace
        $cursor->advanceToNextNonSpaceOrTab();

        // We must be at the end of the line; otherwise, this link was not by itself
        if (! $cursor->isAtEnd()) {
            return BlockStart::none();
        }

        return BlockStart::of(new EmbedParser($dest))->at($cursor);
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NTQ2MjM5MjIzMTU1NjU4NCA0MTY4MjA4MjcwNzIxMzE2IDEyNDUzODg1NzkzODgyNjk=