import { Extensions, Meta } from '../../../types';
import Bounds from './Bounds';
import Copyright from './Copyright';
import Link from './Link';
import Person from './Person';

export default class Metadata {
  private name: string | null;

  private desc: string | null;

  private author: Person | null;

  private copyright: Copyright | null;

  private link: Link | null;

  private time: Date | null;

  private keywords: string | null;

  private bounds: Bounds | null;

  private extensions: Extensions | null;

  /**
   * @see http://www.topografix.com/gpx/1/1/#type_metadataType
   */
  // eslint-disable-next-line
    public constructor({
    name,
    desc,
    author,
    copyright,
    link,
    time,
    keywords,
    bounds,
    extensions,
  }: {
    author?: Person;
    bounds?: Bounds;
    copyright?: Copyright;
    desc?: string;
    extensions?: Extensions;
    keywords?: string;
    link?: Link;
    name?: string;
    time?: Date;
  }) {
    this.name = name || null;
    this.desc = desc || null;
    this.author = author || null;
    this.copyright = copyright || null;
    this.link = link || null;
    this.time = time || null;
    this.keywords = keywords || null;
    this.bounds = bounds || null;
    this.extensions = extensions || null;
  }

  public toObject(): Meta {
    const {
      name,
      desc,
      author,
      copyright,
      link,
      time,
      keywords,
      bounds,
      extensions,
    } = this;

    return {
      ...(name ? { name } : {}),
      ...(desc ? { desc } : {}),
      ...(author ? { author: author.toObject() } : {}),
      ...(copyright ? { copyright: copyright.toObject() } : {}),
      ...(link ? { link: link.toObject() } : {}),
      ...(time ? { time } : {}),
      ...(keywords ? { keywords } : {}),
      ...(bounds ? { bounds: bounds.toObject() } : {}),
      ...(extensions ? { extensions } : {}),
    };
  }
}