///
/// Copyright (c) 2013-2015 Sensus Metering Systems
///
using System;
using System.Windows.Forms;
using log4net;
using Config.Entities;
using TBF.BenchControl.Generic;
using TBF.UI.Bench.Components;

namespace TBF.BenchControl.Elde.Diverter
{
	public partial class DiverterCfgCtrl : UserControl, IComponentCfgCtrl
	{
        static readonly ILog log = LogManager.GetLogger(typeof(DiverterCfgCtrl));

        ComponentParametersDlg parent;

		public bool ShowMore { get { return true; } }

		DiverterCfg config;
		public IComponentCfg Config
		{
			get { return config as IComponentCfg; }
			set
			{
				config = value as DiverterCfg;
				Redraw();
			}
		}

		public DiverterCfgCtrl()
		{
			InitializeComponent();
		}

		private void DiverterCfgCtrl_Load(object sender, EventArgs e)
		{
			parent = ParentForm as ComponentParametersDlg;
			if (parent == null) return;

			if (parent.CmpntEntities != null)
			{
				foreach (var cmpnt in parent.CmpntEntities)
				{
                    if (TbfComponents.CmpntFactoryFromClassName(cmpnt.ClassName) is ControlBoard.Legacy.Factory)
					{
						parentNameComboBox.Items.Add(cmpnt.Name);
					}
				}
			}

			if (config != null)
			{
				adc1 = config.AdcValueToSink;
				pct1 = 0;
				adc2 = config.AdcValueToTank;
				pct2 = 100;
			}

			Redraw();
			StartResponseHandler();
		}

		public void Closing()
		{
			StopResponseHandler();
		}

		void Redraw()
		{
			if (config == null) return;			/// Control was not loaded, settings were not changed
												
			classNameLabel.Text = config.Factory.ClassName;
			parentNameComboBox.Text = string.IsNullOrEmpty(config.ParentName) ? "---" : config.ParentName;
			nameTextBox.Text = config.Name;
			bitPositionTextBox.Text = config.BitNr.ToString();
			adcNrTextBox.Text = config.AdcNr.ToString();
			adcToSinkTextBox.Text = config.AdcValueToSink.ToString();
			adcToTankTextBox.Text = config.AdcValueToTank.ToString();
			startingEdgeTextBox.Text = config.StartingLevel.ToString();
			thresholdLoTextBox.Text = config.ThresholdLo.ToString();
            thresholdHiTextBox.Text = config.ThresholdHi.ToString();
            dfltSwitchTimeStartTextBox.Text = config.DfltSwithTimeStartMs.ToString();
            dfltSwitchTimeEndTextBox.Text = config.DfltSwithTimeEndMs.ToString();

            adcTextBox1.Text = adc1.ToString();
            adcTextBox2.Text = adc2.ToString();
            pctTextBox1.Text = pct1.ToString();
            pctTextBox2.Text = pct2.ToString();
		}

		public void Unlock()
		{
			nameTextBox.Enabled = true;
			parentNameComboBox.Enabled = true;
			bitPositionTextBox.Enabled = true;
			adcNrTextBox.Enabled = true;
			adcToSinkTextBox.Enabled = true;
			adcToTankTextBox.Enabled = true;
			startingEdgeTextBox.Enabled = true;
			thresholdLoTextBox.Enabled = true;
            thresholdHiTextBox.Enabled = true;
            dfltSwitchTimeStartTextBox.Enabled = true;
            dfltSwitchTimeEndTextBox.Enabled = true;
        }

		public CfgUpdateFlags VerifyCfg(ref string message)
		{
            CfgUpdateFlags flags = CfgUpdateFlags.None;

			int dummy;
            int divLo;
            int divHi;

			if (!parentNameComboBox.Items.Contains(parentNameComboBox.Text))
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + "Invalid 'Parent Name'";
			}

			if (!int.TryParse(bitPositionTextBox.Text, out dummy) || dummy < 0 || dummy > 127)
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + "'Bit Position' should be between 0 and 127";
			}

			if (!int.TryParse(adcNrTextBox.Text, out dummy) || dummy < 0 || dummy > 15)
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + "'Analog input #' should be between 0 and 15";
			}

			if (!int.TryParse(adcToSinkTextBox.Text, out dummy) || dummy < 0 || dummy > 1023)
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + "'ADC when to sink' should be between 0 and 1023";
			}

			if (!int.TryParse(adcToTankTextBox.Text, out dummy) || dummy < 0 || dummy > 1023)
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + "'ADC when to tank' should be between 0 and 1023";
			}

			if (!int.TryParse(startingEdgeTextBox.Text, out dummy) || dummy < 0 || dummy > 100)
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + "'Starting Edge' should be between 0 and 100%";
			}
            if (!int.TryParse(thresholdLoTextBox.Text, out divLo) || divLo < 0 || divLo > 100)
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + "'Threshold LO' should be between 0 and 100%";
			}
            if (!int.TryParse(thresholdHiTextBox.Text, out divHi) || dummy > 100 || divHi <= divLo)
            {
                flags |= CfgUpdateFlags.Error;
                if (divHi <= divLo)
                {
                    message += Environment.NewLine + "'Threshold HI' should greater then 'Threshold LO'";
                }
                else
                {
                    message += Environment.NewLine + "'Threshold HI' should be between 0 and 100%";
                }
            }
            if (!int.TryParse(dfltSwitchTimeStartTextBox.Text, out dummy) || dummy <= 0)
            {
                flags |= CfgUpdateFlags.Error;
                message += Environment.NewLine + "'Default switch time start' should be positive integer";
            }
            if (!int.TryParse(dfltSwitchTimeEndTextBox.Text, out dummy) || dummy <= 0)
            {
                flags |= CfgUpdateFlags.Error;
                message += Environment.NewLine + "'Default switch time end' should be positive integer";
            }
            return flags;
		}

		public CfgUpdateFlags UpdateCfg()
		{
			CfgUpdateFlags flags = CfgUpdateFlags.None;
//			CfgUpdateFlags flags = CfgUpdateFlags.RestartRqrd;

			if (config == null) return CfgUpdateFlags.Error;	/// Control was not loaded, settings were not changed

			if (!config.Name.Equals(nameTextBox.Text))
			{
				config.Name = nameTextBox.Text;
				flags |= CfgUpdateFlags.RestartRqrd;
			}

			string parentname = parentNameComboBox.Text.Equals("---") ? string.Empty : parentNameComboBox.Text;
			if (!config.ParentName.Equals(parentname))
			{
				config.ParentName = parentname;
				flags |= CfgUpdateFlags.RestartRqrd;
			}

			int tmp = int.Parse(bitPositionTextBox.Text);
			if (config.BitNr != tmp)
			{
				config.BitNr = tmp;
				flags |= CfgUpdateFlags.RestartRqrd;
			}

			tmp = int.Parse(adcNrTextBox.Text);
			if (config.AdcNr != tmp)
			{
				config.AdcNr = tmp;
				flags |= CfgUpdateFlags.RestartRqrd;
			}

			tmp = int.Parse(adcToSinkTextBox.Text);
			if (config.AdcValueToSink != tmp)
			{
				config.AdcValueToSink = tmp;
				flags |= CfgUpdateFlags.RestartRqrd;
			}

			tmp = int.Parse(adcToTankTextBox.Text);
			if (config.AdcValueToTank != tmp)
			{
				config.AdcValueToTank = tmp;
				flags |= CfgUpdateFlags.RestartRqrd;
			}

			tmp = int.Parse(startingEdgeTextBox.Text);
			if (config.StartingLevel != tmp)
			{
				config.StartingLevel = tmp;
				flags |= CfgUpdateFlags.RestartRqrd;
			}

			tmp = int.Parse(thresholdLoTextBox.Text);
			if (config.ThresholdLo != tmp)
			{
                config.ThresholdLo = tmp;
				flags |= CfgUpdateFlags.RestartRqrd;
			}

            tmp = int.Parse(thresholdHiTextBox.Text);
            if (config.ThresholdHi != tmp)
            {
                config.ThresholdHi = tmp;
                flags |= CfgUpdateFlags.RestartRqrd;
            }

            tmp = int.Parse(dfltSwitchTimeStartTextBox.Text);
            if (config.DfltSwithTimeStartMs != tmp)
            {
                config.DfltSwithTimeStartMs = tmp;
                flags |= CfgUpdateFlags.RestartRqrd;
            }

            tmp = int.Parse(dfltSwitchTimeEndTextBox.Text);
            if (config.DfltSwithTimeEndMs != tmp)
            {
                config.DfltSwithTimeEndMs = tmp;
                flags |= CfgUpdateFlags.RestartRqrd;
            }

			return flags;
		}

		int adc1;
		int pct1;

		int adc2;
		int pct2;


		private void getButton1_Click(object sender, EventArgs e)
		{
			Diverter.OnCfgChange(this, new CfgChangeArgs(CfgChangeCmd.GetAdc1, config));
		}

		private void getButton2_Click(object sender, EventArgs e)
		{
			Diverter.OnCfgChange(this, new CfgChangeArgs(CfgChangeCmd.GetAdc2, config));
		}

		private void setButton_Click(object sender, EventArgs e)
		{
			int tmpPct1;
			int tmpPct2;
			if ((int.TryParse(pctTextBox1.Text, out tmpPct1) && (tmpPct1 >= 0) && (tmpPct1 <= 100)) &&
				(int.TryParse(pctTextBox2.Text, out tmpPct2) && (tmpPct2 >= 0) && (tmpPct2 <= 100)))
			{
				pct1 = tmpPct1;
				pct2 = tmpPct2;
				UpdateDivAdc();
			}
		}

		void UpdateDivAdc()
		{
			if ((adc1 == adc2) || (pct1 == pct2)) return;

			double factor = (float)(adc2 - adc1) / (float)(pct2 - pct1);
			int adcToSink = (int)((float)(0 - pct1) * factor + (float)adc1 + 0.5f);
			int adcToTank = (int)((float)(100 - pct1) * factor + (float)adc1 + 0.5f);

			if ((adcToSink >= 0) && (adcToTank >= 0))
			{
				adcToSinkTextBox.Text = adcToSink.ToString();
				adcToTankTextBox.Text = adcToTank.ToString();
			}
		}


		private void startButton_Click(object sender, EventArgs e)
		{
			Diverter.OnCfgChange(this, new CfgChangeArgs(CfgChangeCmd.DivToTank, config));
		}

		private void stopButton_Click(object sender, EventArgs e)
		{
			Diverter.OnCfgChange(this, new CfgChangeArgs(CfgChangeCmd.DivToSink, config));

		}

		private void updateButton_Click(object sender, EventArgs e)
		{
			Diverter.OnCfgChange(this, new CfgChangeArgs(CfgChangeCmd.ReadDivTransition, config));
		}


		#region Configuration Change Handling

		public static void OnCmdResponse(object sender, CmdResponseArgs args)
		{
			if (CmdResponseHandler == null) return;
			try { CmdResponseHandler(sender, args); }
			catch (Exception e) { log.Error("CmdResponseHandler(...) failed", e); }
		}

		public static event EventHandler<CmdResponseArgs> CmdResponseHandler;

		public void StartResponseHandler()
		{
			Handlers.AdcChangedHandler += delegate(object sndr, CmdResponseArgs args)
			{
				if (InvokeRequired) { Invoke(new EventHandler<CmdResponseArgs>(OnAdcChanged), sndr, args); }
				else OnAdcChanged(sndr, args);
			};

			CmdResponseHandler += delegate(object sender, CmdResponseArgs args)
			{
				if (args.Command == CfgChangeCmd.GetAdc1)
				{
					adc1 = args.Response;
					adcTextBox1.Text = adc1.ToString();
				}
				else if (args.Command == CfgChangeCmd.GetAdc2)
				{
					adc2 = args.Response;
					adcTextBox2.Text = adc2.ToString();
				}
			};
		}

		public void StopResponseHandler()
		{
			CmdResponseHandler = null;
		}

		void OnAdcChanged(object sender, CmdResponseArgs data)
		{
			if (data.Command == CfgChangeCmd.GetAdc && data.Id == config.BitNr)
			{
				adcTextBox.Text = data.Response.ToString();
			}
		}

		#endregion Configuration Change Handling
	}
}