import 'dart:io';

import 'package:flutter/material.dart';
import 'package:http/io_client.dart';
import 'package:signalr_core/signalr_core.dart';

class SignalRHelper{

  String hubBaseURL ="https://queueing.hmg.com/signalr/hubs";
  // "https://VCallApi.hmg.com/WebRTCHub?source=mobile&username=2001273";
  String msg ="Awaiting Patients Arrival";
  HubConnection connection;
  startSignalRConnection() async {
    connection = HubConnectionBuilder()
        .withUrl(
        hubBaseURL,
        HttpConnectionOptions(
          client: IOClient(HttpClient()..badCertificateCallback = (x, y, z) => true),
          transport: HttpTransportType.webSockets,
          logging: (level, message) => {print(message)

          },
        ))
        .build();

    await connection.start();

    connection.on('ReceiveMessage', (message) {
      handleIncomingMessage(message);
    });


    connection.start();


   }


  void handleIncomingMessage(List<dynamic> message) {
    print(message.toString());
  }

  void sendMessage(List<dynamic> args) async {
    await connection.invoke('SendMessage', args: args); //['Bob', 'Says hi!']
  }

  bool getConnectionState() {
    if(connection == null ) return false;
    if (connection.state == HubConnectionState.connected || connection.state == HubConnectionState.connecting) return true;
    if (connection.state == HubConnectionState.disconnected || connection.state == HubConnectionState.disconnecting) return false;
  }



  closeConnection(BuildContext context) async {
    if(connection.state == HubConnectionState.connected)
    {
      await connection.stop();
    }
  }
}