import type {SupportedBrowser} from './SupportedBrowser';

// Source: https://github.com/browserstack/api

export class BrowserstackApi {
  private readonly _baseUrl: string = 'https://api.browserstack.com/5';
  private readonly _authorizationHeader: string;

  constructor(username: string, accessKey: string) {
    this._authorizationHeader = `Basic ${Buffer.from(`${username}:${accessKey}`).toString('base64')}`;
  }

  public async getListOfSupportedBrowsers(): Promise<SupportedBrowser[]> {
    const requestPath = `${this._baseUrl}/browsers?flat=true`;
    const headers = {
      Authorization: this._authorizationHeader,
      'Content-Type': 'application/json',
      Accept: 'application/json'
    };

    const response = await fetch(requestPath, {headers});

    if (!response.ok) {
      throw new Error(`Failed to fetch BrowserStack supported browsers due to [${response.statusText}]`);
    }

    return response.json() as Promise<SupportedBrowser[]>;
  }
}