<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Bridge\Monolog\Processor;

use Monolog\Level;
use Monolog\LogRecord;
use Monolog\ResettableInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\HttpKernel\Log\DebugLoggerInterface;
use Symfony\Contracts\Service\ResetInterface;

class DebugProcessor implements DebugLoggerInterface, ResetInterface, ResettableInterface
{
    private array $records = [];
    private array $errorCount = [];

    public function __construct(
        private ?RequestStack $requestStack = null,
    ) {
    }

    public function __invoke(LogRecord $record): LogRecord
    {
        $key = $this->requestStack && ($request = $this->requestStack->getCurrentRequest()) ? spl_object_id($request) : '';

        $this->records[$key][] = [
            'timestamp' => $record->datetime->getTimestamp(),
            'timestamp_rfc3339' => $record->datetime->format(\DateTimeInterface::RFC3339_EXTENDED),
            'message' => $record->message,
            'priority' => $record->level->value,
            'priorityName' => $record->level->getName(),
            'context' => $record->context,
            'channel' => $record->channel ?? '',
        ];

        if (!isset($this->errorCount[$key])) {
            $this->errorCount[$key] = 0;
        }

        if ($record->level->isHigherThan(Level::Warning)) {
            ++$this->errorCount[$key];
        }

        return $record;
    }

    public function getLogs(?Request $request = null): array
    {
        if (null !== $request) {
            return $this->records[spl_object_id($request)] ?? [];
        }

        if (!$this->records) {
            return [];
        }

        return array_merge(...array_values($this->records));
    }

    public function countErrors(?Request $request = null): int
    {
        if (null !== $request) {
            return $this->errorCount[spl_object_id($request)] ?? 0;
        }

        return array_sum($this->errorCount);
    }

    public function clear(): void
    {
        $this->records = [];
        $this->errorCount = [];
    }

    public function reset(): void
    {
        $this->clear();
    }
}
