<?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:----OTgyODc1NzE0MjIzMTA4OCA3MzQ1MDQwMzI4MjA5NjA4IDYxNTY4MTAwOTI3OTEyNjU=