#region usings
using System;
using System.ComponentModel.Composition;
using System.Runtime.InteropServices;

using VVVV.PluginInterfaces.V1;
using VVVV.PluginInterfaces.V2;
using VVVV.Utils.VColor;
using VVVV.Utils.VMath;

using VVVV.Core.Logging;
#endregion usings

namespace VVVV.Nodes
{
	#region PluginInfo
	[PluginInfo(Name = "k8055", Category = "Devices", Version = "1", Help = "connects to a Vellemann K8055 USB interface.", Tags = "")]
	#endregion PluginInfo
	public class C1Valuek8055Node : IPluginEvaluate
	{

 		#region import
        [DllImport("k8055d.dll")]
        public static extern int OpenDevice(int devNumber);

        [DllImport("k8055d.dll")]
        public static extern void CloseDevice();

        [DllImport("k8055d.dll")]
        public static extern int ReadAnalogChannel(int Channel);

        [DllImport("k8055d.dll")]
        public static extern void ReadAllAnalog(ref int Data1, ref int Data2);

        [DllImport("k8055d.dll")]
        public static extern void OutputAnalogChannel(int Channel, int Data);

        [DllImport("k8055d.dll")]
        public static extern void OutputAllAnalog(int Data1, int Data2);

        [DllImport("k8055d.dll")]
        public static extern void ClearAnalogChannel(int Channel);

        [DllImport("k8055d.dll")]
        public static extern void SetAllAnalog();

        [DllImport("k8055d.dll")]
        public static extern void ClearAllAnalog();

        [DllImport("k8055d.dll")]
        public static extern void SetAnalogChannel(int Channel);

        [DllImport("k8055d.dll")]
        public static extern void WriteAllDigital(int Data);

        [DllImport("k8055d.dll")]
        public static extern void ClearDigitalChannel(int Channel);

        [DllImport("k8055d.dll")]
        public static extern void ClearAllDigital();

        [DllImport("k8055d.dll")]
        public static extern void SetDigitalChannel(int Channel);

        [DllImport("k8055d.dll")]
        public static extern void SetAllDigital();

        [DllImport("k8055d.dll")]
        public static extern bool ReadDigitalChannel(int Channel);

        [DllImport("k8055d.dll")]
        public static extern int ReadAllDigital();

        [DllImport("k8055d.dll")]
        public static extern int ReadCounter(int CounterNr);

        [DllImport("k8055d.dll")]
        public static extern void ResetCounter(int CounterNr);

        [DllImport("k8055d.dll")]
        public static extern void SetCounterDebounceTime(int CounterNr, int DebounceTime);

        [DllImport("k8055d.dll")]
        public static extern void Version();

        [DllImport("k8055d.dll")]
        public static extern int SearchDevices();

        [DllImport("k8055d.dll")]
        public static extern int SetCurrentDevice(int lngCardAddress);
		#endregion import


		#region fields & pins
		[Input("dOut", DefaultValue = 1)]
		ISpread<bool> dOut;
		[Input("aOut", DefaultValue = 1.0)]
		ISpread<double> aOut;
		[Input("Adress", DefaultValue = 0, IsSingle = true)]
		ISpread<int> adress;
		[Input("Connect", DefaultValue = 0, IsSingle = true)]
		ISpread<bool> connect;

		[Output("dIn")]
		ISpread<bool> dIn;
		[Output("aIn")]
		ISpread<double> aIn;
		[Output("Connected", DefaultValue = 0, IsSingle = true)]
		ISpread<bool> connected;


		[Import()]
		ILogger FLogger;
		#endregion fields & pins
		
		
		#region variables
		int status = -1;
		int i_dOut;
		int i_aOut1; int i_aOut2;
		int i_dIn;
		int i_aIn1; int i_aIn2;
		#endregion variables
		

		public void Evaluate(int SpreadMax)
		{
			if((status != adress[0]) && connect[0]){ status = OpenDevice(adress[0]); connected[0] = (status == adress[0]); }
			if((status == adress[0]) && !connect[0]){ CloseDevice(); status = -1; connected[0] = false; }
			if(connected[0]){
				// write dOut...
				i_dOut = 0;
				for(int i=7; i>=0; i--){ i_dOut = i_dOut << 1; if(dOut[i]) i_dOut |= 1; }
				WriteAllDigital(i_dOut);
				// FLogger.Log(LogType.Debug, i_dOut.ToString());
				// write aOut...
				i_aOut1 = (int) (aOut[0]*255); i_aOut2 = (int) (aOut[1]*255);
				OutputAllAnalog(i_aOut1, i_aOut2);
				
				// get dIn...
				i_dIn = ReadAllDigital();
				dIn.SliceCount = 5;
				for(int i=0; i<5; i++){ dIn[i] = ((i_dIn & 1) > 0);  i_dIn = i_dIn >> 1;}
				
				// get aIn...
				ReadAllAnalog(ref i_aIn1, ref i_aIn2);
				aIn.SliceCount = 2;
				aIn[0] = i_aIn1; aIn[1] = i_aIn2;
				
				// get Counters...
			}
			//FLogger.Log(LogType.Debug, "Logging to Renderer (TTY)");
		}
	}
}