using System;
using System.Text;
using System.IO.Ports;
using System.Collections.Generic;
using TBF.BenchControl.Generic;
using TBF.BenchControl.GenericDevices;
using log4net;

namespace TBF.BenchControl.Elde
{
    public class ControlBoardDev : IComponent, IDevice, IValveControl
    {
        /// <summary>
        /// Info: 
        /// Warn: 
        /// Error: 
        /// </summary>
        private static readonly ILog log = LogManager.GetLogger(typeof(ControlBoardDev));
        public override string ToString() { return string.Format("ControlBoardDev on com{0}", controlBoardCfg.ComPortNr); }

		public static void ResetStaticProperties() { }

		ControlBoardCfg controlBoardCfg;
		public Generic.IComponentCfg Cfg { get { return controlBoardCfg; } }

		public string Name { get { return controlBoardCfg.Name; } }


		///
        /// Reference to the control board component
		///
		IControlCom controlCom;

		/// <summary>
		/// Emergency stop signal state updated by RunDevice().
		/// 'modelessDlg' is notified about the changes and uses this information to change its visibility.
		/// </summary>
		//UiBridge.EmergencyStopEventArgs.State emergencyStopState;


		///
		/// Public read only wrappers for Elde software component fields
		///
        /// rvNr1  = 1 .. nrRegulValves (one based)
        /// wmNr0  = 0 .. nrWaterMeters-1 (zero based)
        /// tmpNr0 = 0 .. nrTempMeters-1 (zero based)
        /// prsNr0 = 0 .. nrPressureMeters-1 (zero based)
        ///
		public StatusP StatusP                      { get { return controlCom.StatusP; } }
		public float ReferenceFreq                  { get { return controlCom.ReferenceFreq; } }     /// In [Hz] 0..2500, nom.=2000
		public int EtPulses(int wmNr0)                    { return controlCom.EtPulses(wmNr0); }
		public int WMeterPulses(int wmNr0)                { return controlCom.WMeterPulses(wmNr0); }
		public int WMeterReference(int wmNr0)             { return controlCom.WMeterReference(wmNr0); }
		public uint RegulValveDAC                   { get { return controlCom.RegulValveDAC; } }
		public float Pressure(int prsNr0)                 { return controlCom.Pressure(prsNr0); }
		public float Temperature(int tmpNr0)              { return controlCom.Temperature(tmpNr0); }
		public RegulValveState RegulValveState(int rvNr1) { return (RegulValveState)controlCom.RegulValveState(rvNr1); }
		public ulong RRoute                         { get { return controlCom.RRoute; } }
		public uint DivTime                         { get { return controlCom.DivTime; } }
		public float TTime                          { get { return controlCom.TTime; } }
		public uint FmState                         { get { return controlCom.FmState; } }
		public uint BeginState(int wmNr0)                 { return controlCom.BeginState(wmNr0); }
		public float ReferenceFlow                  { get { return controlCom.ReferenceFlow; } }
		public float RValvePosition(int rvNr1)            { return controlCom.RValvePosition(rvNr1); }
		public float DivSamples(int ms)                   { return controlCom.DivSamples(ms); }
		public int ScopeSamples(int i, int j, int k)      { return controlCom.ScopeSamples(i, j, k); }
		public uint DigitalInputs                   { get { return controlCom.DigitalInputs; } }
		public float AnalogInput(int adcNr0)              { return controlCom.AnalogInput(adcNr0); }
		public uint AnalogInputRaw(int adcNr0, int bank)  { return controlCom.AnalogInputRaw(adcNr0, bank); }	/// bank0=RV, bank1=Temp
		public float ReferenceVolume                { get { return controlCom.ReferenceVolume; } }
		public float VyslExt(int wmNr0, int what)         { return controlCom.VyslExt(wmNr0, what); }

        /// <summary> Extracted from the StatusP in RunDeviceBefore </summary>
        public bool EmergencyStop { get { return emergencyStop; } }
        bool emergencyStop;
        bool previousEmergencyStop;

        /// <summary> State of valves sent out - buffered by the last SendCommand() </summary>
        public ulong Route { get { return route; } }

        ///
        /// Initialization data updated by constructors of children components
        /// and sent to 'controlCom2panel' by SendCalibData() method.
        ///
        public uint[,] RegValveCalib = new uint[8, 2];
        public byte[] MeretRS485Address = new byte[4];
        public float[,] TempCalibData = new float[8, 5];

        // Array length is the reference flowmeters count plus one
#if DN100
        public float[] EtCalib = new float[6] { 1, 1, 1, 1, 1, 1 };
#elif MUNICH
        public float[] EtCalib = new float[5] { 1, 1, 1, 1, 1 };
#elif FUZHOU150
		public float[] EtCalib = new float[6] { 1, 1, 1, 1, 1, 1 };
#elif FUZHOU300
		public float[] EtCalib = new float[6] { 1, 1, 1, 1, 1, 1 };
#endif
        public uint[] DiverterEdge = new uint[2] { 50, 50 };
        public uint[] BalanceRange = new uint[2];

        ///
        /// Private values sent by the last SendCommand()
        ///
        bool sendCommandFlag;
        Command cmd;
        int refNr;
        ulong route;
        int refPulses;
        TestMethods testMethods;
        float filterConstant;
        float[] FMFreq;
        int regConst;
        int shortImp;
        StopDevs stopDevs;

        public void SetFMFreq(int index, float power)
        {
            if (index == 0) FMFreq = new float[2] { power, 0 };
            else if (index == 1) FMFreq = new float[2] { 0, power };
            else FMFreq = new float[2] { 0, 0 };
        }

        public void UpdateWeights()
        {
            for (int i = 0; i < MettlerToledo.BalanceDev.BalancesCount; i++)
            {
                controlCom.SetWeight(i, MettlerToledo.BalanceDev.Masses[i]);
            }
        }


        /// <summary>
        /// Constructor
        /// </summary>
		public ControlBoardDev(ControlBoardCfg cfg, IList<Generic.IComponent> components)
        {
			if (cfg == null) throw new ArgumentNullException("cfg");
			this.controlBoardCfg = cfg;
            FMFreq = new float[2] { 0, 0 };
            emergencyStop = false;
            previousEmergencyStop = false;
        }

        /// <summary>
        /// Specific pre-initialization for control board only
        /// </summary>
        /// <param name="ctrlBrdComponent"></param>
        public void InitializeComponent(
#if DN100
			ControlCom2VB.ControlCom2panel ctrlBrdComponent,
#elif MUNICH
			ControlComponent3Munich.UserControl1 ctrlBrdComponent,
#elif FUZHOU150
			ControlComponent3Munich.UserControl1 ctrlBrdComponent,
#elif FUZHOU300
			ControlComponent3Munich.UserControl1 ctrlBrdComponent,
#endif
 float[] tankCapacities)
        {
			if (controlBoardCfg.DebugLevel == Entities.DebugMode.Simulate)
			{
				controlCom = new ControlComSim();
			}
			else
			{
				int cnt = Math.Min(BalanceRange.Length, tankCapacities.Length);
				for (int i = 0; i < cnt; i++) BalanceRange[i] = (uint)tankCapacities[i];
				controlCom = new ControlComWrap(ctrlBrdComponent);
			}
        }

		/// <summary>Initialize this device</summary>
		public void Initialize()
		{
			controlCom.SendCalibData(RegValveCalib,
                                     MeretRS485Address,
                                     controlBoardCfg.ComPortNr,
                                     TempCalibData,
                                     EtCalib,
                                     DiverterEdge,
                                     BalanceRange);
        }

		/// <summary>Run this device</summary>
		public void RunDeviceBefore()
		{
			controlCom.RunDeviceBefore();

            previousEmergencyStop = emergencyStop;
            emergencyStop = (controlCom.StatusP & StatusP.EmgcyStopActive) != 0;
            
            if (emergencyStop && !previousEmergencyStop)
            {
                Program.MainWnd.Invoke(new ShowEmergencyStopFormDlgt(ShowEmergencyStopForm));
            }
            else if (!emergencyStop && previousEmergencyStop)
            {
                UiBridge.Bridge.OnEmergencyStopChanged(this,UiBridge.EmergencyStopEventArgs.State.CloseForm);
            }

            if (emergencyStop)
            {
                /// SendCommand() arguments to clear the emergency stop state
                sendCommandFlag = true;
                this.cmd = Command.Stop;
                this.stopDevs = StopDevs.All;
            }
            else
            {
                /// Reset all SendCommand() arguments
                sendCommandFlag = false;
                this.cmd = Command.None;
                this.stopDevs = 0;
            }
            this.refNr = 0;
            this.refPulses = 0;
            this.testMethods = 0;
            this.filterConstant = 0;
            this.regConst = 0;
            this.shortImp = 0;
		}

		/// <summary>Run this device</summary>
        public void RunDeviceAfter()
        {
            if (sendCommandFlag)
            {
                controlCom.SendCommand(cmd, refNr, route, refPulses, testMethods,
                                       filterConstant, FMFreq, regConst, shortImp, stopDevs);
            }

            controlCom.RunDeviceAfter();
        }

        /// <summary>Stop this device</summary>
        public void StopDevice()
        {
        }


        delegate void ShowEmergencyStopFormDlgt();
        /// 
        void ShowEmergencyStopForm()
        {
            (new TBF.Forms.EmergencyStopForm()).Show();
        }


		/// <summary>
        /// Sends a command to the control board.
        /// </summary>
        /// <param name="cmd">See ControlBoard.Command enum</param>
        /// <param name="refFlowmtrNr">Number of the etalon/reference (1..5)</param>
        /// <param name="route">Route: 64-bit installation specific number</param>
        /// <param name="totalRefPulses">kolko impulzov ma trvat skuska</param>
        /// <param name="testMethods">See ControlBoard.TestMethods enum</param>
        /// <param name="filterConstant">0 = No filtering (0..255)</param>
        /// <param name="regConst">Coefficient used to control reg. valves (1..100)</param>
        /// <param name="shortImp">0 = default value, 1 = spec. processing of very short pulses</param>
		/// <param name="stopDevs">What to stop</param>
        public void SendCommand(Command cmd, int refFlowmtrNr, ulong route, int totalRefPulses, TestMethods testMethods,
                                float filterConstant, int regConst, int shortImp, StopDevs stopDevs)
        {
            this.cmd = cmd;
            this.refNr = refFlowmtrNr;
            this.route = route;
            this.refPulses = totalRefPulses;
            this.testMethods = testMethods;
            this.filterConstant = filterConstant;
            this.regConst = regConst;
            this.shortImp = shortImp;
            this.stopDevs = stopDevs;

            sendCommandFlag = true;
        }

        public void SetValves(ulong valvesToOpen, ulong valvesToClose)
        {
			route = (route | valvesToOpen) & (~valvesToClose);
            sendCommandFlag = true;
        }

        /// <summary>
        /// Regulation valves control.
        /// </summary>
        /// <param name="valveNo">Regulation valve nr. (1..5)</param>
        /// <param name="valveMode">Valve regulation mode, see the enum</param>
        /// <param name="valveValue">Target position or target frequency or pulse duration</param>
        public void ValveMove(int valveNo, RegulValveMode valveMode, float[] valveValue)
        {
            controlCom.ValveMove(valveNo, valveMode, valveValue);
        }


        /// <summary>
        /// Open one valve and/or close one valve.
        /// Events:  ValvesSet
        /// </summary>
        /// <param name="valveOpen">Valve to be opened</param>
        /// <param name="valveClose">Valve to be closed</param>
        /// <returns>Created operation</returns>
        public IOperation SetValvesOp(IValve valveOpen, IValve valveClose)
        {
            return new Valve.SetValvesOp(this, valveOpen, valveClose);
        }

		/// <summary>
        /// Open and/or close multiple valves.
        /// Events:  ValvesSet
		/// </summary>
        /// <param name="valvesOpen">A list of valves to be opened</param>
        /// <param name="valvesClose">A list of valves to be closed</param>
        /// <returns>Created operation</returns>
        public IOperation SetValvesOp(IList<IValve> valvesOpen, IList<IValve> valvesClose)
		{
			return new Valve.SetValvesOp(this, valvesOpen, valvesClose);
		}

        /// <summary>
        /// Starts the measurement.
        /// Events: MeasurementStarted
        /// </summary>
        /// <param name="flowMeter">Flow meter</param>
        /// <param name="readers">An array of register readers</param>
        /// <param name="refPulses">Number of reference pulses to complete the test</param>
        /// <returns>Created operation</returns>
        public IOperation StartMeasurementOp(IFlowMeter flowMeter, int refPulses, TestMethods method, float filterConstant)
		{
            return new StartMeasurementOp(this, flowMeter, refPulses, method, filterConstant);
		}

        /// <summary>
        /// Queries th econtrol board whether the measurement was completed.
        /// Events: MeasurementCompleted or None
        /// </summary>
        /// <returns>Created operation</returns>
        public IOperation QueryMeasurementEndOp()
        {
            return new QueryMeasurementEndOp(this);
        }

   		/// <summary>
        /// Stop the previous control board operation (diverter, gate, etc.)
		/// Events:  PreviousStopped
		/// </summary>
        /// <returns>Created operation</returns>
        public IOperation StopPreviousOp()
        {
            return new StopPreviousOp(this);
        }

        /// <summary>
        /// Updates the tank drawing and weight value in Elde software component.
        /// </summary>
        /// <param name="weight">Current mass in [kg] or approx. volume in [l]</param>
        /// <returns>Created operation</returns>
        public IOperation UpdateTankWeightOp()
        {
            return new UpdateTankWeightOp(this);
        }
    }
}