<?php

namespace League\CommonMark\Delimiter\Processor;

use League\CommonMark\Exception\InvalidArgumentException;

final class DelimiterProcessorCollection implements DelimiterProcessorCollectionInterface
{
    /**
     * @var array<string,DelimiterProcessorInterface>|DelimiterProcessorInterface[]
     *
     * @psalm-readonly-allow-private-mutation
     */
    private array $processorsByChar = [];

    public function add(DelimiterProcessorInterface $processor): void
    {
        $opening = $processor->getOpeningCharacter();
        $closing = $processor->getClosingCharacter();

        if ($opening === $closing) {
            $old = $this->processorsByChar[$opening] ?? null;
            if ($old !== null && $old->getOpeningCharacter() === $old->getClosingCharacter()) {
                $this->addStaggeredDelimiterProcessorForChar($opening, $old, $processor);
            } else {
                $this->addDelimiterProcessorForChar($opening, $processor);
            }
        } else {
            $this->addDelimiterProcessorForChar($opening, $processor);
            $this->addDelimiterProcessorForChar($closing, $processor);
        }
    }

    public function getDelimiterProcessor(string $char): ?DelimiterProcessorInterface
    {
        return $this->processorsByChar[$char] ?? null;
    }

    /**
     * @return string[]
     */
    public function getDelimiterCharacters(): array
    {
        return \array_keys($this->processorsByChar);
    }

    private function addDelimiterProcessorForChar(string $delimiterChar, DelimiterProcessorInterface $processor): void
    {
        if (isset($this->processorsByChar[$delimiterChar])) {
            throw new InvalidArgumentException(\sprintf('Delim processor for character "%s" already exists', $processor->getOpeningCharacter()));
        }

        $this->processorsByChar[$delimiterChar] = $processor;
    }

    private function addStaggeredDelimiterProcessorForChar(
        string $opening,
        DelimiterProcessorInterface $old,
        DelimiterProcessorInterface $new,
    ): void {
        if ($old instanceof StaggeredDelimiterProcessor) {
            $s = $old;
        } else {
            $s = new StaggeredDelimiterProcessor($opening, $old);
        }

        $s->add($new);
        $this->processorsByChar[$opening] = $s;
    }

    public function count(): int
    {
        return \count($this->processorsByChar);
    }
}
__halt_compiler();----SIGNATURE:----GZOBa5X4oSEjNvZIaMCVsF6vqT//IUpg5Shop2DscnvVQrGAlGQ/YTSBU9ta7GJJSV5zjiAsenXNdf3vDR5hL+L7Zn8tNAue12wpcbbZwJpGHANzqeXVVT4+8zZVXOBm0HG9g21kC6beTWuMFGaG4TRun0OVkz4iwERJZd4QpsIpaCd6Uk4MnuPmlsqa1lBtFaU9+as4PBb9wSB/rwoFY43R9iGwwb+PXwl69J6lZpsTsFEZmwn8HgKoqZsPCb9umQcoJBVvVHsupWIkyKbnhBtfoFKennUEPRTzxWSN36huU3Ey5iI/Te6hQd45fj6msK9u7GVLXt7lkIUSqcTHcSqJ9C0v3gNMKCieof33mPYHz7Nwl1Kqw1pQ8UD/kKqdpBEngYD0hzwbin6nsd4X1RtNF2AIiQBWo6eMCdt5xB4QQxRAU1jAyTG+BFWlvX8JBfKU3ataRk4S1qwcR1NJq7OYYzLo2of8L9815BeXMeBpfs1peOR9xqbuHHWpU9FvP7f+6WiwGN6WIpu9H8Y7KEG46RhNtWIww+SIR0mG0rwEMKF+p4rY0qGfZew4Ob8K3TUxXYMhdBpYMW/PDPnwh9RTfyFtfOJPKzc529TTNwnJnYw+vDzJBvd2vFst6gBYvjgAXo1w8ypMmWib6NDg+QeG2hkRj/Vd0UQUiPL71jA=----ATTACHMENT:----OTMwNDgzODU1NDA4OTM2NSA4ODUxMDQ5MDM3MTA4MzUzIDk5OTI4Njg0NzU3MzQ4NTg=