<?php
/**
 * Snapshot row value object.
 *
 * @package AgentFirewall
 */

declare(strict_types=1);

namespace AgentFirewall\Model;

use DateTimeImmutable;

defined( 'ABSPATH' ) || exit;

/**
 * Immutable row from adaf_snapshots (before-state for rollback, ADR-9).
 */
final class Snapshot {

	/**
	 * Constructor.
	 *
	 * @param int                  $id           Row id.
	 * @param int                  $ledger_id    Linked ledger entry.
	 * @param string               $entity_type  post|option|meta|term.
	 * @param int                  $entity_id    Target entity id.
	 * @param array<string, mixed> $before_state Decoded pre-action state.
	 * @param DateTimeImmutable    $created_at   Capture timestamp (UTC).
	 */
	public function __construct(
		public readonly int $id,
		public readonly int $ledger_id,
		public readonly string $entity_type,
		public readonly int $entity_id,
		public readonly array $before_state,
		public readonly DateTimeImmutable $created_at
	) {
	}
}