using Aurora.Api;
using Aurora.Api.Devices;
using AuroraHeightSensor.Keyence;
using AuroraHeightSensor.MicroEpsilon;
using Hermes;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Input;
using static AuroraHeightSensor.HeightSensor;

namespace AuroraHeightSensor
{
    public enum eHeightSensor
    {
        KeyenceLKG85,
        KeyenceCL3000,
        KeyenceIXH,
        KeyenceIL,
        MicroEpsilon
    }
    public enum eChannel
    {
        CH0 = 0,
        CH1 = 1,
        CH2 = 2,
        CH3 = 3,
    }
    public interface IHeightSensor
    {
        int Measure(eChannel channel, out double value);
        int MeasureAll(out List<double> value);
        int SetZero(eChannel channel, bool isSet = true);
        int SetZeroShift(eChannel channel);
        int SetZeroShiftReset(eChannel channel);
        int Reset(eChannel channel);
        //int Connect(IConnConfig config);
        //int Disconnect();
        bool CheckConnected();
        int SetLed(bool isOn);
        int Activate(IConnConfig Config);
        int Deactivate();

        int StartStopAutoTransmit(bool isOn, ICommand callback);
    }

    public class HeightSensor : Device
    {
        Logger Log = new Logger("HeightSensor");

        private IHeightSensor _HeightSensor;

        public double Height { get; private set; }
        private double _MinValue;
        private double _MaxValue;

        protected bool _isSimulBySetting;
        private eHeightSensor _SensorType;

        

        public HeightSensor(string deviceId, eHeightSensor sensor, bool isSimul)
        {
            _SensorType = sensor;
            _isSimulBySetting = isSimul;
        }

        protected override int DoActivate(IDeviceConfig config)
        {
            var heightSensorConfig = config as HeightSensorConfig;
            IsSimul = heightSensorConfig.IsDeviceSimulationOn || _isSimulBySetting;
            if (IsSimul) {
                _HeightSensor = new HeightSensorMock();
            } else {
                switch (_SensorType) {
                    case eHeightSensor.KeyenceLKG85:
                        _HeightSensor = new HeightSensorLKG85(DeviceId);
                        break;
                    case eHeightSensor.MicroEpsilon:
                        _HeightSensor = new HeightSensorME();
                        break;
                    case eHeightSensor.KeyenceCL3000:
                        _HeightSensor = new HeightSensorCL3000(DeviceId);
                        break;
                    case eHeightSensor.KeyenceIXH:
                        _HeightSensor = new HeightSensorIXH(DeviceId, IsSimul);
                        break;
                    case eHeightSensor.KeyenceIL:
                        _HeightSensor = new HeightSensorIL(DeviceId, IsSimul);
                        break;
                    default:
                        return E1.RESOURCE;
                }
            }

            //var res = _HeightSensor?.Connect(heightSensorConfig.ConnConfig) ?? E1.GENERIC;
            var res = _HeightSensor?.Activate(heightSensorConfig.ConnConfig) ?? E1.GENERIC;

            if (res != E1.OK) {
                return res;
            }

            _MinValue = heightSensorConfig.Limit.Min;
            _MaxValue = heightSensorConfig.Limit.Max;

            if (_HeightSensor is HeightSensorMock) {
                (_HeightSensor as HeightSensorMock).SetRange(heightSensorConfig.Simulation.Min, heightSensorConfig.Simulation.Max);
            }

            return E1.OK;
        }

        protected override int DoDeactivate()
        {
            //return _HeightSensor.Disconnect();
            return _HeightSensor.Deactivate();
        }

        public bool IsConnected()
        {
            if (!IsActivated) {
                return false;
            }

            IsCommError = !_HeightSensor.CheckConnected();
            return IsCommError == false;
        }

        // 현재까진 Channel 0만 쓰는 것으로 보인다. 나중에 필요시 두채널을 고려하자.
        public int Measure(out double value)
        {
            value = 0;
            if (!IsActivated) {
                return E2.NOT_CONNECTED;
            }

            if (_HeightSensor.Measure(eChannel.CH0, out value) == E1.OK) {
                Height = value;
            }

            if (value < _MinValue || value > _MaxValue) {
                Log.E($"Over meaure range : {value}");
                return E2.UNAVAILABLE;
            }

            return E1.OK;
        }

        public int MeasureAll(out List<double> Sensorvalue)
        {
            if(IsSimul) {
                Sensorvalue = new List<double>();

                var rand = new Random();
                Sensorvalue.Add(rand.NextDouble());
                Sensorvalue.Add(rand.NextDouble());
                Sensorvalue.Add(rand.NextDouble());
                Sensorvalue.Add(rand.NextDouble());
                return E1.OK;
            }

            Sensorvalue = null;
            if (!IsActivated)
            {
                return E2.NOT_CONNECTED;
            }

            if (_HeightSensor.MeasureAll(out Sensorvalue) == E1.OK)
            {
                //Height = value;
            }

            if (Sensorvalue is null){
                Log.E("Sensor not measure");
                return E2.ABORTED;
            }
            //if (value < _MinValue || value > _MaxValue)
            //{
            //    Log.E($"Over meaure range : {value}");
            //    return E2.UNAVAILABLE;
            //}

            return E1.OK;
        }

        public void Update()
        {
            if (!IsConnected()) {
                return;
            }

            if (_HeightSensor.Measure(eChannel.CH0, out double value) == E1.OK) {
                Height = value;
            }
        }

        public int SetZeroShift(eChannel ch)
        {
            if (_HeightSensor.SetZeroShift(ch) == E1.OK) {
                return E1.OK;
            }
            else {
                return E2.UNKNOWN;
            }
        }

        public int SetZeroShiftReset(eChannel ch)
        {
            if (_HeightSensor.SetZeroShiftReset(ch) == E1.OK){
                return E1.OK;
            }
            else{
                return E2.UNKNOWN;
            }
        }

        public int Reset()
        {
            _HeightSensor.Reset(eChannel.CH0);
            Thread.Sleep(100);
            _HeightSensor.Reset(eChannel.CH1);
            Thread.Sleep(100);
            _HeightSensor.Reset(eChannel.CH2);
            Thread.Sleep(100);
            _HeightSensor.Reset(eChannel.CH3);
            return E1.OK;
        }

        public int SetLed(bool isOn)
        {
            if (!IsActivated) {
                return E2.NOT_CONNECTED;
            }

            return _HeightSensor.SetLed(isOn);
        }

        public int StartStopAutoTransmit(bool isOn, ICommand callback)
        {
            if (!IsActivated) {
                return E2.NOT_CONNECTED;
            }

            return _HeightSensor.StartStopAutoTransmit(isOn, callback);
        }
    }
}