import { BrowserWindowConstructorOptions, LoadURLOptions } from 'electron';
import { SimpleMutex } from '../mutex/simple-mutex';
import { ISessionHelper } from '../session/i-session-helper';
import { ISiteAppWindow } from './i-site-app-window';
import { UrlAppWindow } from './url-app-window';

/**
 * This class represents an app window of a site which need to be crawled via the built-in chromium of Electron.
 * It offers a lock so that multiple calls do executed simultaneously on the same chromium window.
 */
export abstract class SiteAppWindow extends UrlAppWindow implements ISiteAppWindow {
  private windowLock: IMutex;

  protected constructor(
    sessionHelper: ISessionHelper,
    uri: string,
    options: BrowserWindowConstructorOptions = {},
    loadOptions: LoadURLOptions = {}
  ) {
    super(sessionHelper, uri, options, loadOptions);
    this.windowLock = new SimpleMutex();
  }

  public acquireLock(): Promise<Mutex.ReleaseFunction> {
    return this.windowLock.acquire();
  }
}