///
/// Copyright (c) 2013-2016 Sensus Metering Systems
///
using System;
using System.Windows.Forms;
using System.IO.Ports;
using Config.Entities;
using TBF.BenchControl.Generic;

namespace TBF.BenchControl.Danfoss.VLT2800
{
	public partial class PumpCfgCtrl : UserControl, IComponentCfgCtrl
	{
		public bool ShowMore { get { return false; } }

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

		public PumpCfgCtrl()
		{
			InitializeComponent();

			protocolComboBox.Items.Add(PumpProtocol.Modbus.ToString());
			protocolComboBox.Items.Add(PumpProtocol.FC.ToString());

			parityComboBox.Items.Add(Parity.None.ToString());
			parityComboBox.Items.Add(Parity.Even.ToString());
			parityComboBox.Items.Add(Parity.Odd.ToString());

			stopBitsComboBox.Items.Add(StopBits.None.ToString());
			stopBitsComboBox.Items.Add(StopBits.One.ToString());
			stopBitsComboBox.Items.Add(StopBits.OnePointFive.ToString());
			stopBitsComboBox.Items.Add(StopBits.Two.ToString());
		}

		int GetParityIx(Parity par)
		{
			if (par == Parity.None) return 0;
			if (par == Parity.Even) return 0;
			if (par == Parity.Odd) return 0;
			return -1;
		}
		Parity GetParity(string str)
		{
			if (str.Equals(Parity.None.ToString())) return Parity.None;
			if (str.Equals(Parity.Even.ToString())) return Parity.Even;
			if (str.Equals(Parity.Odd.ToString())) return Parity.Odd;
			return (Parity)(-1);
		}

		int GetStopBitsIx(StopBits sb)
		{
			if (sb == StopBits.None) return 0;
			if (sb == StopBits.One) return 1;
			if (sb == StopBits.OnePointFive) return 2;
			if (sb == StopBits.Two) return 3;
			return -1;
		}
		StopBits GetStopBits(string str)
		{
			if (str.Equals(StopBits.None.ToString())) return StopBits.None;
			if (str.Equals(StopBits.One.ToString())) return StopBits.One;
			if (str.Equals(StopBits.OnePointFive.ToString())) return StopBits.OnePointFive;
			if (str.Equals(StopBits.Two.ToString())) return StopBits.Two;
			return (StopBits)(-1);
		}

		int GetHandshakeIx(Handshake par)
		{
			if (par == Handshake.None) return 0;
			if (par == Handshake.RequestToSend) return 0;
			if (par == Handshake.XOnXOff) return 0;
			return -1;
		}
		Handshake GetHandshake(string str)
		{
			if (str.Equals(Handshake.None.ToString())) return Handshake.None;
			if (str.Equals(Handshake.RequestToSend.ToString())) return Handshake.RequestToSend;
			if (str.Equals(Handshake.XOnXOff.ToString())) return Handshake.XOnXOff;
			return (Handshake)(-1);
		}

		private void AbbientCfgCtrl_Load(object sender, EventArgs e)
		{
			Redraw();
		}

		public void Closing()
		{
		}

		void Redraw()
		{
			if (config == null) return;			/// Control was not loaded, settings were not changed

			classNameLabel.Text = config.Factory.ClassName;
			nameTextBox.Text = config.Name;
			delayTextBox.Text = config.Delay.ToString();
			bitPositionTextBox.Text = config.BitPosition.ToString();
			protocolComboBox.Text = config.Protocol.ToString();
			busAddressTextBox.Text = config.BusAddress.ToString();
			comPortNrTextBox.Text = config.ComPortNr.ToString();
			baudRateTextBox.Text = config.BaudRate.ToString();
			parityComboBox.Text = config.Parity.ToString();
			dataBitsTextBox.Text = config.DataBits.ToString();
			stopBitsComboBox.Text = config.StopBits.ToString();
		}

		public void Unlock()
		{
			nameTextBox.Enabled = true;
			delayTextBox.Enabled = true;
			bitPositionTextBox.Enabled = true;
			protocolComboBox.Enabled = true;
			busAddressTextBox.Enabled = true;
			comPortNrTextBox.Enabled = true;
			baudRateTextBox.Enabled = true;
			parityComboBox.Enabled = true;
			dataBitsTextBox.Enabled = true;
			stopBitsComboBox.Enabled = true;
		}

		public CfgUpdateFlags UpdateCfg()
		{
			CfgUpdateFlags flags = CfgUpdateFlags.RestartRqrd;

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

			config.Name = nameTextBox.Text;
			config.Delay = int.Parse(delayTextBox.Text);
			config.BitPosition = int.Parse(bitPositionTextBox.Text);
			config.Protocol = protocolComboBox.Text.Equals(PumpProtocol.Modbus.ToString()) ? PumpProtocol.Modbus : PumpProtocol.FC;
			config.BusAddress = int.Parse(busAddressTextBox.Text);
			config.ComPortNr = int.Parse(comPortNrTextBox.Text);
			config.BaudRate = int.Parse(baudRateTextBox.Text);
			config.Parity = GetParity(parityComboBox.SelectedItem.ToString());
			config.DataBits = int.Parse(dataBitsTextBox.Text);
			config.StopBits = GetStopBits(stopBitsComboBox.SelectedItem.ToString());

			return flags;
		}

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

			int dummy;
			if (!int.TryParse(delayTextBox.Text, out dummy) || dummy < 0 || dummy > 300)
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + "'Delay' is not valid";
			}

			if (!int.TryParse(bitPositionTextBox.Text, out dummy) || dummy < 0 || dummy >= 128)
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + "'Bit Position' should be between 0 and 127";
			}

			if (!protocolComboBox.Items.Contains(protocolComboBox.Text))
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + "'Protocol' should Modbus or FC";
			}

			if (!int.TryParse(busAddressTextBox.Text, out dummy) || dummy < 1 || dummy > 247)
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + "'Bus Address' should be in range 1..247";
			}

			if (!int.TryParse(comPortNrTextBox.Text, out dummy) || dummy < 1 || dummy > 999)
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + "'Serial Port Number' is not valid";
			}

			if (!int.TryParse(baudRateTextBox.Text, out dummy) || dummy < 150 || dummy > 115200)
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + "'Baud Rate' is not valid";
			}

			if (!int.TryParse(dataBitsTextBox.Text, out dummy) || dummy < 7 || dummy > 8)
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + "'Data Bits' is not valid";
			}

			return flags;
		}
	}
}