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| General Bots Copyright (c) Pragmatismo.io. All rights reserved.             |
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\*****************************************************************************/

'use strict';

import { createBrowser } from '../../core.gbapp/services/GBSSR.js';

export class ChartServices {
  /**
   * Generate chart image screenshot
   * @param {object} options billboard.js generation option object
   * @param {string} path screenshot image full path with file name
   */
  public static async screenshot (args, path) {
    const browser = await createBrowser(null);
    const page = await browser.newPage();

    // load billboard.js assets from CDN.
    await page.addStyleTag({ url: 'https://cdn.jsdelivr.net/npm/billboard.js/dist/theme/datalab.min.css' });
    await page.addScriptTag({ url: 'https://cdn.jsdelivr.net/npm/billboard.js/dist/billboard.pkgd.min.js' });

    await page.evaluate(`bb.generate(${JSON.stringify(args)});`);

    const content = await page.$('.bb');

    await content.screenshot({
      path,
      omitBackground: true
    });

    await page.close();
    await browser.close();
  }
}
