using Aurora;
using Aurora.Api;
using Aurora.Api.Devices;
using Aurora.View;
using AuroraDeviceCommon.Views;
using AuroraPowerMeter;
using AuroraUIComponent.Chart;
using Hermes;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reactive.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;
using System.Windows.Threading;

namespace AuroraPowerMeter.Coherent
{
    public class UCCoherentPowerMeterDeviceViewModel : BaseDeviceViewModel
    {
        public ICommand CMD_MeasurePower { get; }

        private readonly DispatcherTimer MonitorTimer;

        //2023.01.14 YDY 구교동 대리가 수정한부분 같음...파워 메터 포트 부분 수정 했다고 들음...
        private string _CurrentPowerName;
        public string CurrentPowerName { get => _CurrentPowerName; set => SetProperty(ref _CurrentPowerName, value); }

        private string _CurrentPortNumber;
        public string CurrentPortNumber { get => _CurrentPortNumber; set => SetProperty(ref _CurrentPortNumber, value); }

        private string _CurrentState;
        public string CurrentState { get => _CurrentState; set => SetProperty(ref _CurrentState, value); }

        private double _CurrentPower;
        public double CurrentPower { get => _CurrentPower; set => SetProperty(ref _CurrentPower, value); }

        public UCLineChartViewModel PowerMeterChart { get; }

        bool _ContinuesMeasure;
        public bool ContinuesMeasure { get => _ContinuesMeasure; set => SetProperty(ref _ContinuesMeasure, value); }
        public UCCoherentPowerMeterDeviceViewModel(IAuroraEnvironment aurora, Device powerMeter)
            : base(aurora, powerMeter)
        {
            CMD_MeasurePower = new DelegateCommand(MeasurePW);

            PowerMeterChart = new UCLineChartViewModel(aurora);
            PowerMeterChart.SetChart("POWER", "", 8, 0);
            PowerMeterChart.SetChartLine("Power", 6);
            PowerMeterChart.SetChartLineRange(true, 1, 0, 10);
            PowerMeterChart.InitChart();

            CurrentPowerName = "";
            CurrentPortNumber = "";
            _CurrentState = string.Empty;
            _CurrentPower = 0.0;
            _ContinuesMeasure = false;

            MonitorTimer = new DispatcherTimer();
            MonitorTimer.Tick += OnMonitoring;
            MonitorTimer.Interval = TimeSpan.FromMilliseconds(1000);

            // 파워미터가 두개라 디바이스 인덱스 같은걸로 받는 이벤트 등록 나눠야할듯. 아직 어떤 디바이스가 붙을지 몰라 보류.
            aurora.EventObservable.AsObservable(PowerMeterEvent.EVENT_ID_MEASURE_RESULT)
                .Select(msg => (ValueTuple<string, double>)msg.Param)
                .Where(msg => msg.Item1 == powerMeter.DeviceId)
                .Subscribe(power => OnPowerMeasured(power.Item2));
        }

        protected override void VisibleChanged(object obj)
        {
            bool visible = (bool)obj;
            if (visible) {
                MonitorTimer.Start();
            } else {
                ContinuesMeasure = false;
                MonitorTimer.Stop();
            }
        }

        private void OnMonitoring(object sender, EventArgs e)
        {
            if (_Device.IsActivated) {
                var powerMeter = _Device as PowerMeter;

                CurrentPowerName = _Device.DeviceId;
                var deviceConfig = Application.Current.AuroraEnv().DeviceManager.GetDeviceConfig(_Device.DeviceId) as PowerMeterConfig;
                CurrentPortNumber = string.Format("{0}", (deviceConfig.ConnConfig as SerialConnConfig).PortNum);

                if (ContinuesMeasure) {
                    CurrentState = "측정중";
                } else {
                    CurrentState = "대기중";
                }

                if (ContinuesMeasure) {
                    GetMeasurePower(null);
                }
                return;
            } else {
                CurrentState = "연결안됨";
            }
        }

        private void OnPowerMeasured(double _value)
        {
            Application.Current.Dispatcher.InvokeAsync(() => PowerMeterChart.AddPoint(_value));
        }

        private void MeasurePW(object obj)
        {
            if (!_Device.IsActivated) {
                ContinuesMeasure = false;
                return;
            }
            if (ContinuesMeasure) {
                ContinuesMeasure = false;
            } else {
                ContinuesMeasure = true;
            }
        }

        private void GetMeasurePower(object obj)
        {
            if (!_Device.IsActivated) {
                ContinuesMeasure = false;
                return;
            }

            var powerMeter = _Device as PowerMeter;
            double power = 0.0;
            if (powerMeter.Measure(out power) == E1.OK) {
                CurrentPower = power;
                PowerMeterChart.AddPoint(power);
            }
        }
    }
}