<?php
declare(strict_types=1);

namespace PpPhp\Core\Platform\Event\Worker\Pool;

final class WorkerPoolSnapshot
{
    public function __construct(
        private readonly array $workers = [],
        private readonly array $statistics = [],
        private readonly string $createdAt = ''
    ) {}

    public static function fromArray(array $data): self
    {
        return new self((array) ($data['workers'] ?? []), (array) ($data['statistics'] ?? []), (string) ($data['createdAt'] ?? ''));
    }

    public function workers(): array { return $this->workers; }
    public function statistics(): array { return $this->statistics; }
    public function createdAt(): string { return $this->createdAt !== '' ? $this->createdAt : date('c'); }

    public function toArray(): array
    {
        return [
            'workers' => $this->workers,
            'statistics' => $this->statistics,
            'createdAt' => $this->createdAt(),
        ];
    }
}
