using System;
using System.Threading;
using System.Threading.Tasks;
using Vinno.IUS.Common.Log;
using Vinno.vCloud.Common.FIS.Helper;
using WingInterfaceLibrary.Interface;
using WingInterfaceLibrary.Request;

namespace Vinno.vCloud.Common.FIS
{
    internal class HeartRateKeeperV2
    {
        private readonly IDeviceService _deviceService;
        private readonly string _token;
        private readonly int _heartRate;
        private readonly ManualResetEvent _waitEvent = new ManualResetEvent(false);

        public HeartRateKeeperV2(IDeviceService deviceService, string token, int heartRate = 300)
        {
            _deviceService = deviceService;
            if (heartRate <= 0)
            {
                heartRate = 300;
            }
            _heartRate = heartRate;
            _token = token;
        }

        /// <summary>
        /// Start the Heartrate to keep the session available.
        /// </summary>
        public void Start()
        {
            DoHeartRate();
        }

        /// <summary>
        /// Stop the Heartrate
        /// </summary>
        public void Stop()
        {
            _waitEvent.Set();
        }

        /// <summary>
        /// Do HartRate
        /// </summary>
        /// <returns></returns>
        private void DoHeartRate()
        {
            Task.Run(() =>
            {
                while (!_waitEvent.WaitOne(TimeSpan.FromSeconds(_heartRate)))
                {
                    try
                    {
                        bool result = false;
                        var tokenRequest = new TokenRequest()
                        {
                            Token = _token,
                        };
                        result = JsonRpcHelper.HeartRate(_deviceService, tokenRequest);
                        if (!result)
                        {
                            Logger.WriteLineError($"HeartRateKeeperV2 HeartRate Fail,Result is false");
                        }
                    }
                    catch (Exception ex)
                    {
                        Logger.WriteLineError($"HeartRateKeeperV2 Do HeartRate Error:{ex}");
                    }
                }
            });
        }
    }
}