<?php

namespace Matrix\Events;

use Matrix\Enums\MembershipState;

/**
 * @see https://spec.matrix.org/v1.16/client-server-api/#definition-clientevent_unsigneddata
 */
class UnsignedData implements \JsonSerializable
{
  public function __construct(
    private ?int $age = null,
    private ?MembershipState $membership = null,
    private ?array $previousContent = null,
    private ?ClientEvent $redactedBecause = null,
    private ?string $transactionId = null,
  )
  {}

  public function jsonSerialize(): array
  {
    return array_filter([
      "age" => $this->age,
      "membership" => $this->membership,
      "prev_content" => $this->previousContent,
      "redacted_because" => $this->redactedBecause,
      "transaction_id" => $this->transactionId,
    ], "is_null");
  }
}