<?php
namespace ContentNation\ActivityPub\Common;

require_once("APObject.php");

class Activity extends APObject {
  // actor | object | target | result | origin | instrument
  /**
   * actor
   * @var string
   */
  private $actor = '';

  /**
   * constructor
   * @param ?string $type type
   */
  public function __construct($type = null) {
    parent::__construct($type ?? "Activity");
  }
  /**
   * set actor
   * @param string $actor new actor
   */
  public function setAActor(string $actor) : void {
    $this->actor = $actor;
  }

  public function getAActor() : string {
    return $this->actor;
  }

  /**
   * create from json/array
   * @param mixed $json
   */
  public function fromJson($json) : bool {
    if (array_key_exists('actor', $json)) {
      $this->actor = $json['actor'];
      unset($json['actor']);
    }
    if (!parent::fromJson($json)) {
      return false;
    }
    return true;
  }

  /**
   * convert internal state to php array
   * @return array<string,mixed>
   */
  public function toObject() {
    $return = parent::toObject();
    if ($this->actor !== '') {
      $return['actor'] = $this->actor;
    }
    return $return;
  }

  /**
   * get Child Object
   * @return Note|false
   */
  public function getObject() {
    return parent::getObject();
  }
}