<?php

namespace Monolog\Handler;

use Monolog\Formatter\FormatterInterface;
use Monolog\Formatter\LineFormatter;
use Monolog\Logger;

/**
 * Logs to a Redis key using rpush
 *
 * usage example:
 *
 *   $log = new Logger('application');
 *   $redis = new RedisHandler(new Predis\Client("tcp://localhost:6379"), "logs", "prod");
 *   $log->pushHandler($redis);
 *
 * @author Thomas Tourlourat <thomas@tourlourat.com>
 *
 * @phpstan-import-type FormattedRecord from AbstractProcessingHandler
 */
class RedisHandler extends AbstractProcessingHandler
{
    /** @var \Predis\Client<\Predis\Client>|\Redis */
    private $redisClient;

    /** @var string */
    private $redisKey;

    /** @var int */
    protected $capSize;

    /**
     * @param \Predis\Client<\Predis\Client>|\Redis $redis   The redis instance
     * @param string                $key     The key name to push records to
     * @param int                   $capSize Number of entries to limit list size to, 0 = unlimited
     */
    public function __construct($redis, string $key, $level = Logger::DEBUG, bool $bubble = true, int $capSize = 0)
    {
        if (!(($redis instanceof \Predis\Client) || ($redis instanceof \Redis))) {
            throw new \InvalidArgumentException('Predis\Client or Redis instance required');
        }

        $this->redisClient = $redis;
        $this->redisKey = $key;
        $this->capSize = $capSize;

        parent::__construct($level, $bubble);
    }

    /**
     * {@inheritDoc}
     */
    protected function write(array $record): void
    {
        if ($this->capSize) {
            $this->writeCapped($record);
        } else {
            $this->redisClient->rpush($this->redisKey, $record["formatted"]);
        }
    }

    /**
     * Write and cap the collection
     * Writes the record to the redis list and caps its
     *
     * @phpstan-param FormattedRecord $record
     */
    protected function writeCapped(array $record): void
    {
        if ($this->redisClient instanceof \Redis) {
            $mode = defined('\Redis::MULTI') ? \Redis::MULTI : 1;
            $this->redisClient->multi($mode)
                ->rpush($this->redisKey, $record["formatted"])
                ->ltrim($this->redisKey, -$this->capSize, -1)
                ->exec();
        } else {
            $redisKey = $this->redisKey;
            $capSize = $this->capSize;
            $this->redisClient->transaction(function ($tx) use ($record, $redisKey, $capSize) {
                $tx->rpush($redisKey, $record["formatted"]);
                $tx->ltrim($redisKey, -$capSize, -1);
            });
        }
    }

    /**
     * {@inheritDoc}
     */
    protected function getDefaultFormatter(): FormatterInterface
    {
        return new LineFormatter();
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MzYyMjgwODc5OTAxNTI1MiA2NTYwMDUwMjY2NjQzNDYzIDY1MDg5NzEzMjMxMTE4MTE=