<?php

namespace League\CommonMark\Normalizer;

final class UniqueSlugNormalizer implements UniqueSlugNormalizerInterface
{
    private TextNormalizerInterface $innerNormalizer;

    /** @var array<string, bool> */
    private array $alreadyUsed = [];

    public function __construct(TextNormalizerInterface $innerNormalizer)
    {
        $this->innerNormalizer = $innerNormalizer;
    }

    public function clearHistory(): void
    {
        $this->alreadyUsed = [];
    }

    /**
     * {@inheritDoc}
     *
     * @psalm-allow-private-mutation
     */
    public function normalize(string $text, array $context = []): string
    {
        $normalized = $this->innerNormalizer->normalize($text, $context);

        // If it's not unique, add an incremental number to the end until we get a unique version
        if (\array_key_exists($normalized, $this->alreadyUsed)) {
            $suffix = 0;
            do {
                ++$suffix;
            } while (\array_key_exists("$normalized-$suffix", $this->alreadyUsed));

            $normalized = "$normalized-$suffix";
        }

        $this->alreadyUsed[$normalized] = true;

        return $normalized;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NzcwNzQ3NTc3NDc0Nzc2MyA0MTk1MjM4Mzg5OTgzODg1IDQwOTA3NTg1NDY0NDQ2NjM=