<?php

namespace Monolog\Handler;

use Monolog\Formatter\FormatterInterface;
use Monolog\Formatter\WildfireFormatter;

/**
 * Simple FirePHP Handler (http://www.firephp.org/), which uses the Wildfire protocol.
 *
 * @author Eric Clemmons (@ericclemmons) <eric@uxdriven.com>
 *
 * @phpstan-import-type FormattedRecord from AbstractProcessingHandler
 */
class FirePHPHandler extends AbstractProcessingHandler
{
    use WebRequestRecognizerTrait;

    /** WildFire JSON header message format */
    protected const PROTOCOL_URI = 'http://meta.wildfirehq.org/Protocol/JsonStream/0.2';

    /** FirePHP structure for parsing messages & their presentation */
    protected const STRUCTURE_URI = 'http://meta.firephp.org/Wildfire/Structure/FirePHP/FirebugConsole/0.1';

    /** Must reference a "known" plugin, otherwise headers won't display in FirePHP */
    protected const PLUGIN_URI = 'http://meta.firephp.org/Wildfire/Plugin/FirePHP/Library-FirePHPCore/0.3';

    /** Header prefix for Wildfire to recognize & parse headers */
    protected const HEADER_PREFIX = 'X-Wf';

    /**
     * Whether or not Wildfire vendor-specific headers have been generated & sent yet
     * @var bool
     */
    protected static $initialized = false;

    /**
     * Shared static message index between potentially multiple handlers
     * @var int
     */
    protected static $messageIndex = 1;

    /** @var bool */
    protected static $sendHeaders = true;

    /**
     * Base header creation function used by init headers & record headers
     *
     * @param array<int|string> $meta    Wildfire Plugin, Protocol & Structure Indexes
     * @param string            $message Log message
     *
     * @return array<string, string> Complete header string ready for the client as key and message as value
     *
     * @phpstan-return non-empty-array<string, string>
     */
    protected function createHeader(array $meta, string $message): array
    {
        $header = sprintf('%s-%s', static::HEADER_PREFIX, join('-', $meta));

        return [$header => $message];
    }

    /**
     * Creates message header from record
     *
     * @return array<string, string>
     *
     * @phpstan-return non-empty-array<string, string>
     *
     * @see createHeader()
     *
     * @phpstan-param FormattedRecord $record
     */
    protected function createRecordHeader(array $record): array
    {
        // Wildfire is extensible to support multiple protocols & plugins in a single request,
        // but we're not taking advantage of that (yet), so we're using "1" for simplicity's sake.
        return $this->createHeader(
            [1, 1, 1, self::$messageIndex++],
            $record['formatted']
        );
    }

    /**
     * {@inheritDoc}
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new WildfireFormatter();
    }

    /**
     * Wildfire initialization headers to enable message parsing
     *
     * @see createHeader()
     * @see sendHeader()
     *
     * @return array<string, string>
     */
    protected function getInitHeaders(): array
    {
        // Initial payload consists of required headers for Wildfire
        return array_merge(
            $this->createHeader(['Protocol', 1], static::PROTOCOL_URI),
            $this->createHeader([1, 'Structure', 1], static::STRUCTURE_URI),
            $this->createHeader([1, 'Plugin', 1], static::PLUGIN_URI)
        );
    }

    /**
     * Send header string to the client
     */
    protected function sendHeader(string $header, string $content): void
    {
        if (!headers_sent() && self::$sendHeaders) {
            header(sprintf('%s: %s', $header, $content));
        }
    }

    /**
     * Creates & sends header for a record, ensuring init headers have been sent prior
     *
     * @see sendHeader()
     * @see sendInitHeaders()
     */
    protected function write(array $record): void
    {
        if (!self::$sendHeaders || !$this->isWebRequest()) {
            return;
        }

        // WildFire-specific headers must be sent prior to any messages
        if (!self::$initialized) {
            self::$initialized = true;

            self::$sendHeaders = $this->headersAccepted();
            if (!self::$sendHeaders) {
                return;
            }

            foreach ($this->getInitHeaders() as $header => $content) {
                $this->sendHeader($header, $content);
            }
        }

        $header = $this->createRecordHeader($record);
        if (trim(current($header)) !== '') {
            $this->sendHeader(key($header), current($header));
        }
    }

    /**
     * Verifies if the headers are accepted by the current user agent
     */
    protected function headersAccepted(): bool
    {
        if (!empty($_SERVER['HTTP_USER_AGENT']) && preg_match('{\bFirePHP/\d+\.\d+\b}', $_SERVER['HTTP_USER_AGENT'])) {
            return true;
        }

        return isset($_SERVER['HTTP_X_FIREPHP_VERSION']);
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----Mzg5NjIzOTQ4NjIyNDA2MiAzMjY5ODIwNjk1ODUwMDQ3IDc1NTk5MDg3NjIxMjIyMTI=