<?php

/*

 * This file is part of the Monolog package.

 *

 * (c) Jordi Boggiano <j.boggiano@seld.be>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace Monolog\Formatter;

use Monolog\Logger;

/**

 * Serializes a log message according to Wildfire's header requirements

 *

 * @author Eric Clemmons (@ericclemmons) <eric@uxdriven.com>

 * @author Christophe Coevoet <stof@notk.org>

 * @author Kirill chEbba Chebunin <iam@chebba.org>

 */

class WildfireFormatter implements FormatterInterface

{

    /**

     * Translates Monolog log levels to Wildfire levels.

     */

    private $logLevels = array(

        Logger::DEBUG    => 'LOG',

        Logger::INFO     => 'INFO',

        Logger::WARNING  => 'WARN',

        Logger::ERROR    => 'ERROR',

        Logger::CRITICAL => 'ERROR',

        Logger::ALERT    => 'ERROR',

    );

    /**

     * {@inheritdoc}

     */

    public function format(array $record)

    {

        // Retrieve the line and file if set and remove them from the formatted extra

        $file = $line = '';

        if (isset($record['extra']['file'])) {

            $file = $record['extra']['file'];

            unset($record['extra']['file']);

        }

        if (isset($record['extra']['line'])) {

            $line = $record['extra']['line'];

            unset($record['extra']['line']);

        }

        $message = array('message' => $record['message']);

        if ($record['context']) {

            $message['context'] = $record['context'];

        }

        if ($record['extra']) {

            $message['extra'] = $record['extra'];

        }

        if (count($message) === 1) {

            $message = reset($message);

        }

        // Create JSON object describing the appearance of the message in the console

        $json = json_encode(array(

            array(

                'Type'  => $this->logLevels[$record['level']],

                'File'  => $file,

                'Line'  => $line,

                'Label' => $record['channel'],

            ),

            $message,

        ));

        // The message itself is a serialization of the above JSON object + it's length

        return sprintf(

            '%s|%s|',

            strlen($json),

            $json

        );

    }

    public function formatBatch(array $records)

    {

        throw new \BadMethodCallException('Batch formatting does not make sense for the WildfireFormatter');

    }

}