using System;
using System.Threading;
using GSG.NET.Concurrent;
using GSG.NET.Logging;
using OHV.Common.Shareds;
using VehicleControlSystem.ControlLayer.IO;
using Prism.Events;
using OHV.SqliteDAL;
using OHV.Common.Model;
using OHV.Common.Events;
using VehicleControlSystem.ControlLayer;

namespace VehicleControlSystem.Managers
{
    /// <summary>
    /// Vehicle 전체 상태를 관리.
    /// </summary>
    public class AutoManager : IDisposable
    {
        static Logger logger = Logger.GetLogger();

        Thread threadWorker = null;
        bool isThreadAlive = false;

        IIO iO = null;
        bool IsErrorProcessing = false;
        IEventAggregator eventAggregator = null;
        SqliteManager sql = null;

        private eOperatationMode operationMode;
        public eOperatationMode OperationModeProperty
        {
            get { return operationMode; }
            set
            {
                if (operationMode == value) return;

                operationMode = value;
                logger.D($"[AutoManager] OperationMode - {value}");
            }
        }

        private eAutoModeState autoModeState;
        public eAutoModeState AutoModeStateProperty
        {
            get { return autoModeState; }
            set
            {
                if (autoModeState == value) return;

                autoModeState = value;
                logger.D($"[AutoManager] AutoModeState - {value}");
            }
        }

        private eLampState lampState;
        public eLampState LampStateProperty
        {
            get { return lampState; }
            set
            {
                if (lampState == value) return;

                lampState = value;
                this.LampStateChange(value);
            }
        }

        private eBuzzerKind buzzerState;
        public eBuzzerKind BuzzerStateProperty
        {
            get { return buzzerState; }
            set { buzzerState = value; }
        }

        public AutoManager(IIO io, IEventAggregator ea, SqliteManager sql)
        {
            this.iO = io;
            this.eventAggregator = ea;
            this.sql = sql;
        }

        #region Vehicle Events
        private void Vehicle_OnChargingFull()
        {
            LampStateChange(eLampState.AutoRunNChargingFull);
        }

        private void Vehicle_OnCharging()
        {
            LampStateChange(eLampState.Charging);
        }

        private void Vehicle_OnMoveFinish()
        {
            BuzzerOnOff(false);
            logger.D("Vehicle Move Finish");
        }

        private void Vehicle_OnMoving()
        {
            BuzzerOnOff(true, eBuzzerKind.Moving);
            logger.D("Vehicle Moving");
        }

        private void Vehicle_OnMoveReady()
        {
            BuzzerOnOff(true, eBuzzerKind.StartWarn);
            logger.D("Vehicle Move Ready");
        }
        #endregion

        public void Init(Vehicle vehicle)
        {
            this.OperationModeProperty = eOperatationMode.ManualMode;
            this.AutoModeStateProperty = eAutoModeState.Stop;

            this.isThreadAlive = true;
            this.threadWorker = ThreadUtils.Invoke(this.ThreadWork);

            vehicle.OnMoveReady += Vehicle_OnMoveReady;
            vehicle.OnMoving += Vehicle_OnMoving;
            vehicle.OnMoveFinish += Vehicle_OnMoveFinish;
            vehicle.OnCharging += Vehicle_OnCharging;
            vehicle.OnChargingFull += Vehicle_OnChargingFull;
        }

        #region Lamp & Buzzer
        void LampStateChange(eLampState state)
        {
            this.iO.OutputOff("OUT_TOWER_LAMP_RED");
            this.iO.OutputOff("OUT_TOWER_LAMP_GREEN");
            this.iO.OutputOff("OUT_TOWER_LAMP_BLUE");

            switch (state)
            {
                case eLampState.Alarm:
                    this.iO.OutputOff("OUT_TOWER_LAMP_RED");
                    break;
                case eLampState.Charging:
                    this.iO.OutputOff("OUT_TOWER_LAMP_GREEN");
                    break;
                case eLampState.AutoRunNChargingFull:
                    this.iO.OutputOff("OUT_TOWER_LAMP_BLUE");
                    break;
                default:
                    break;
            }
        }

        void BuzzerOnOff(bool isOn, eBuzzerKind kind = eBuzzerKind.Alarm)
        {
            this.iO.OutputOff("OUT_BUZZER_00");
            this.iO.OutputOff("OUT_BUZZER_01");
            this.iO.OutputOff("OUT_BUZZER_02");

            if (!isOn)
                return;

            switch (kind)
            {
                case eBuzzerKind.Alarm:
                    this.iO.OutputOn("OUT_BUZZER_00");
                    break;
                case eBuzzerKind.StartWarn:
                    this.iO.OutputOn("OUT_BUZZER_01");
                    break;
                case eBuzzerKind.Moving:
                    this.iO.OutputOn("OUT_BUZZER_02");
                    break;
                default:
                    break;
            }
        }
        #endregion

        void ThreadWork()
        {
            while (this.isThreadAlive)
            {
                try
                {
                    Thread.Sleep(5);

                    DoWork();
                }
                catch (Exception ex)
                {
                    logger.E($"{GetType().Name} - Thread Exception : {ex.StackTrace}");
                }
            }
        }


        public void DoWork()
        {
            switch (this.OperationModeProperty)
            {
                case eOperatationMode.ManualMode:
                    break;
                case eOperatationMode.AutoMode:
                    switch (this.AutoModeStateProperty)
                    {
                        case eAutoModeState.ErrorStop:
                            if ( !IsErrorProcessing )
                                this.AutoModeStateProperty = eAutoModeState.WaitStop;

                            break;
                        case eAutoModeState.WaitStop:
                            this.AutoModeStateProperty = eAutoModeState.Stop;
                            break;
                        case eAutoModeState.Stop:
                            this.OperationModeProperty = eOperatationMode.ManualMode;
                            break;
                        case eAutoModeState.StartRun:
                            this.AutoModeStateProperty = eAutoModeState.Run;
                            this.LampStateProperty = eLampState.AutoRunNChargingFull;
                            break;
                        case eAutoModeState.Run:
                            break;
                        default:
                            break;
                    }
                    break;
                case eOperatationMode.InitialMode:
                    break;
                default:
                    break;
            }
        }

        public void ProcessAlarm(int alarmID)
        {
            this.AutoModeStateProperty = eAutoModeState.ErrorStop;
            this.LampStateProperty = eLampState.Alarm;

            HisAlarm hisAlarm = new HisAlarm();
            var alarm = sql.AlarmDAL.GetK(alarmID);
            if (alarm == null)
            {
                hisAlarm.AlarmId = alarmID;
                hisAlarm.Text = "Not Define Alarm";
            }
            else
            {
                hisAlarm.AlarmId = alarmID;
                hisAlarm.Text = alarm.Text;
                hisAlarm.Solution = alarm.Solution;
                //hisAlarm.Alarm = alarm;
            }
            sql.HisAlarmDAL.Add(hisAlarm);

            if (IsErrorProcessing)
                return;

            var msg = new GUIMessageEventArgs
            {
                Kind = GUIMessageEventArgs.eGUIMessageKind.ModelPropertyChange,
                MessageKey = MessageKey.Alarm,
                MessageText = hisAlarm.Text,
                Args = hisAlarm,
            };
            this.eventAggregator.GetEvent<GUIMessagePubSubEvent>().Publish(msg);
        }

        #region IDisposable Support
        private bool disposedValue = false; // 중복 호출을 검색하려면

        protected virtual void Dispose(bool disposing)
        {
            if (!disposedValue)
            {
                if (disposing)
                {
                    // TODO: 관리되는 상태(관리되는 개체)를 삭제합니다.
                    this.isThreadAlive = false;
                    if (!this.threadWorker.Join(3000))
                        ThreadUtils.Kill(this.threadWorker);
                }

                // TODO: 관리되지 않는 리소스(관리되지 않는 개체)를 해제하고 아래의 종료자를 재정의합니다.
                // TODO: 큰 필드를 null로 설정합니다.

                disposedValue = true;
            }
        }

        // TODO: 위의 Dispose(bool disposing)에 관리되지 않는 리소스를 해제하는 코드가 포함되어 있는 경우에만 종료자를 재정의합니다.
        // ~AutoManager()
        // {
        //   // 이 코드를 변경하지 마세요. 위의 Dispose(bool disposing)에 정리 코드를 입력하세요.
        //   Dispose(false);
        // }

        // 삭제 가능한 패턴을 올바르게 구현하기 위해 추가된 코드입니다.
        public void Dispose()
        {
            // 이 코드를 변경하지 마세요. 위의 Dispose(bool disposing)에 정리 코드를 입력하세요.
            Dispose(true);
            // TODO: 위의 종료자가 재정의된 경우 다음 코드 줄의 주석 처리를 제거합니다.
            // GC.SuppressFinalize(this);
        }
        #endregion
    }
}