import { Injectable } from '@angular/core';

import { filter, tap } from 'rxjs/operators';

import { Store } from '@ngrx/store';

import { ProtocolService } from '@ucap-webmessenger/protocol';
import {
  SVC_TYPE_LOGOUT,
  SSVC_TYPE_LOGOUT_RES,
  SSVC_TYPE_LOGOUT_REMOTE_NOTI,
  AuthenticationProtocolService
} from '@ucap-webmessenger/protocol-authentication';

import * as AuthenticationStore from '../store/account/authentication';

@Injectable()
export class AppService {
  constructor(
    private protocolService: ProtocolService,
    private authenticationProtocolService: AuthenticationProtocolService,
    private store: Store<any>
  ) {
    this.protocolService.serverMessage
      .pipe(
        filter(message => message.serviceType === SVC_TYPE_LOGOUT),
        filter(
          message =>
            message.subServiceType === SSVC_TYPE_LOGOUT_RES ||
            message.subServiceType === SSVC_TYPE_LOGOUT_REMOTE_NOTI
        ),
        tap(message => {
          switch (message.subServiceType) {
            case SSVC_TYPE_LOGOUT_RES:
              {
                const logoutRes = this.authenticationProtocolService.decodeLogoutResponse(
                  message
                );
                this.store.dispatch(AuthenticationStore.logout());
              }
              break;
            case SSVC_TYPE_LOGOUT_REMOTE_NOTI:
              {
                const logoutRemoteNoti = this.authenticationProtocolService.decodeLogoutRemoteNotification(
                  message
                );
                this.store.dispatch(AuthenticationStore.logout());
              }
              break;

            default:
              break;
          }
        })
      )
      .subscribe();
  }

  public postInit(): Promise<void> {
    return new Promise<void>((resolve, reject) => {
      resolve();
    });
  }
}