<?php

declare(strict_types=1);

namespace App\Framework\ErrorAggregation;

use App\Framework\Exception\ErrorHandlerContext;
use App\Framework\Exception\Core\ErrorSeverity;

/**
 * Null Object implementation for ErrorAggregator
 *
 * Used when error aggregation is disabled or unavailable.
 * All operations are no-ops that return empty/default values.
 */
final readonly class NullErrorAggregator implements ErrorAggregatorInterface
{
    public function processError(ErrorHandlerContext $context): void
    {
        // No-op: Error aggregation is disabled
    }

    public function getStatistics(\DateTimeImmutable $from, \DateTimeImmutable $to): array
    {
        return [
            'total_events' => 0,
            'total_patterns' => 0,
            'by_severity' => [],
            'by_service' => [],
        ];
    }

    public function getActivePatterns(int $limit = 50, int $offset = 0): array
    {
        return [];
    }

    public function getRecentEvents(int $limit = 100, ?ErrorSeverity $severity = null): array
    {
        return [];
    }
}