import { Injectable } from '@angular/core'
import { Cable } from './cable';

@Injectable()
export class ActionCableService {
  private cables: {[s: string]: Cable} = {};

  /**
   * Open a new ActionCable connection to the url. Any number of connections can be created.
   */
  cable(url: string, params?: any): Cable {
    if (!this.cables.hasOwnProperty(url)) {
      this.cables[url] = new Cable(url, params);
    }

    return this.cables[url];
  }

  /**
   * Close an open connection for the url.
   */
  disconnect(url: string): void {
    if (this.cables.hasOwnProperty(url)) {
      this.cables[url].disconnect();
      delete this.cables[url];
    }
  }
}