import * as plugins from './smartsitemap.plugins';

export class SitemapNews {
  public items: any[] = [];

  constructor(optionsArg: {}) {}

  public async readAndAddFromRssFeed(urlArg: string) {
    const smartfeedInstance = new plugins.smartfeed.Smartfeed();
    const parsedFeed = await smartfeedInstance.parseFeedFromUrl(urlArg);
    this.items = this.items.concat(parsedFeed.items);
  }

  public exportSitemapXml() {
    const urls: {
      loc: string;
      'news:news': {
        'news:publication': {
          'news:name': string;
          'news:language': string;
        };
        "news:publication_date" : string;
        "news:keywords": string;
        "news:title": string;
      };
    }[] = [];
    for (const itemArg of this.items) {
      urls.push({
        loc: itemArg.link,
        "news:news": {
          "news:publication": {
            "news:language": 'en',
            "news:name": 'some name'
          },
          "news:keywords": '',
          "news:publication_date": itemArg.isoDate,
          "news:title": itemArg.title
        }
      })
    }
    const sitemapObject: any = {
      urlset: {
        '@_xmlns': 'http://www.sitemaps.org/schemas/sitemap/0.9',
        '@_xmlns:news': 'http://www.google.com/schemas/sitemap-news/0.9',
        url: urls,
      },
    };
    const smartxmlInstance = new plugins.smartxml.SmartXml();
    const sitemapString = smartxmlInstance.createXmlFromObject(sitemapObject);
    return sitemapString;
  }
}