import { TypedRequest } from '@apiglobal/typedrequest';
import * as plugins from './dees-comms.plugins';

/**
 * a comm class for client side communication between workers and tabs.
 */
export class DeesComms {
  // sending messages
  private postChannel = new BroadcastChannel('dees-comms');
  private typedrouter = new plugins.typedrequest.TypedRouter();
  
  private subscriptionChannel = new BroadcastChannel('dees-comms');
  

  constructor() {
    this.subscriptionChannel.onmessage = (eventArg) => {
      const message = eventArg.data;
      this.typedrouter.routeAndAddResponse(message);
    };
  }

  /**
   * creates a typedrequest with this classes postMessage as postMethod
   */
  public createTypedRequest<T extends plugins.typedrequestInterfaces.ITypedRequest>(
    methodName: T['method']
  ): TypedRequest<T> {
    const typedrequest = new plugins.typedrequest.TypedRequest(this.postMessage, methodName, this.typedrouter);
    return typedrequest;
  }

  /**
   * posts a typedrequestmessage
   */
  public async postMessage<T = plugins.typedrequestInterfaces.ITypedRequest>(
    messageArg: T
  ): Promise<void> {
    this.postChannel.postMessage(messageArg);
  }

  /**
   * subscribe to messages
   */
  public async subscribe() {}
}