<?php

declare(strict_types=1);

namespace App\Application\System;

use App\Framework\Core\Events\ErrorOccurred;
use App\Framework\Core\Events\OnEvent;
use App\Framework\Logging\LogContextManager;
use App\Framework\Logging\Logger;
use App\Framework\Logging\ValueObjects\LogContext;

final readonly class ErrorLogger
{
    public function __construct(
        private ?Logger $logger = null,
        private ?LogContextManager $contextManager = null
    ) {
    }

    /**
     * Logger für aufgetretene Fehler mit strukturiertem Logging
     */
    #[OnEvent(priority: 10)]
    public function logError(ErrorOccurred $event): void
    {
        if ($this->logger === null) {
            // Fallback für den Fall, dass kein Logger verfügbar ist
            $time = $event->occurredAt->format('Y-m-d H:i:s');
            $requestId = $event->requestId ? "[Request: {$event->requestId}]" : '';
            $message = "[{$time}] ERROR {$requestId} {$event->context}: {$event->error->getMessage()}";
            error_log($message);

            return;
        }

        // Strukturiertes Logging mit LogContext
        $context = LogContext::withData([
            'error_context' => $event->context,
            'occurred_at' => $event->occurredAt->format('c'),
            'request_id' => $event->requestId,
            'error_class' => get_class($event->error),
            'error_file' => $event->error->getFile(),
            'error_line' => $event->error->getLine(),
        ])->addTags('error_event', 'application');

        // Current context hinzufügen falls verfügbar
        if ($this->contextManager !== null) {
            $currentContext = $this->contextManager->getCurrentContext();
            $mergedContext = $currentContext->merge($context);
        } else {
            $mergedContext = $context;
        }

        $this->logger->error(
            sprintf('Application error in %s: %s', $event->context, $event->error->getMessage()),
            $mergedContext
        );
    }
}