using System;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading.Tasks;
using UnityEngine;

namespace Sensors.Polar
{
    public class UdpConnection
    {
        //public int port = 9090;
        //public String ipAddress = "192.168.1.7";

        private UdpClient client;

        private bool listening = false;
        private Action<AccData> onAccData;
        private Action<EcgData> onEcgData;

        public UdpConnection(String ipAddress, int port, Action<AccData> onAccData, Action<EcgData> onEcgData)
        {
            this.onAccData = onAccData;
            this.onEcgData = onEcgData;
            client = new UdpClient(new IPEndPoint(IPAddress.Parse(ipAddress), port));
        }

        public void Listen() => Task.Run(async () =>
        {
            listening = true;
            while (listening)
            {
                var result = await client.ReceiveAsync();
                String receivedStr = Encoding.UTF8.GetString(result.Buffer);

                var data = receivedStr.Split(':');
                if (data.Length == 2)
                {
                    var name = data[0];
                    if (name.Equals("ACC"))
                    {
                        onAccData(AccData.FromString(data[1]));
                    }else if (name.Equals("ECG"))
                    {
                        onEcgData(EcgData.FromString(data[1]));
                    }else if (name.Equals("HR"))
                    {
                        //TODO
                    }
                
                }
            
                Debug.Log($"RECEIVED DATA VIA UDP: {receivedStr}");
            }
        });

        public void StopListening()
        {
            listening = false;
        }
    
    }
}