<?php

namespace Matrix\Events\Room;

use Matrix\Data\Room\TopicContentBlock;
use Matrix\Data\UnsignedData;
use Matrix\Enums\EventType;
use Matrix\Events\StateEvent;

class TopicEvent extends StateEvent
{
  public function __construct(
    string $eventId,
    int $originServerTimestamp,
    string $roomId,
    string $sender,
    string $topic,
    ?TopicContentBlock $topicContentBlock = null,
    string $stateKey = "",
    ?UnsignedData $unsigned = null,
  )
  {
    parent::__construct(
      array_filter([
        "m.topic" => $topicContentBlock,
        "topic" => $topic,
      ], fn ($value) => ! is_null($value)),
      $eventId,
      $originServerTimestamp,
      $roomId,
      $sender,
      $stateKey,
      EventType::ROOM_TOPIC,
      $unsigned,
    );
  }
}