///
/// Copyright (c) 2015-2017 Sensus Metering Systems
///
using System;
using System.Globalization;
using System.Net;
using System.Windows.Forms;
using Common;
using TBF.Rig.Generic;
using TBF.Resources;

namespace TBF.Rig.TestMethods.iPerlCommunication.iPerlHead
{
    public partial class IperlHeadCfgCtrl : UserControl, IComponentCfgCtrl
	{
		public bool ShowMore { get { return false; } }

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

		public IperlHeadCfgCtrl()
		{
			InitializeComponent();
		}

		private void WaterMeterCfgCtrl_Load(object sender, EventArgs e)
		{
			nameLabel.Text = Strings.Name;
            calibFactorNominalLabel.Text = GetLocalizedString("IperlCalibFactorNominal", "Default calibration factor:");
            string calibFactorNominalTooltip = GetLocalizedString("IperlCalibFactorNominalTooltip", "Raw calibration factor representing 100 %. This value is used to calculate 'iPerl CalibFactor (%)' in the results configuration.");
            calibFactorNominalToolTip.SetToolTip(calibFactorNominalLabel, calibFactorNominalTooltip);
            calibFactorNominalToolTip.SetToolTip(calibFactorNominalTextBox, calibFactorNominalTooltip);
            classNameLabel.Text = config.Factory.ClassName;
            Redraw();
		}

		public void Closing()
		{
		}

		void Redraw()
		{
			if (config == null) return;			/// Control was not loaded, settings were not changed
			nameTextBox.Text = config.Name;
            radioButton1.Checked = config.UseTcpIP;
            radioButton2.Checked = !config.UseTcpIP;
            ipAddressTextBox.Text = (config.OptoIPAddress != null) ? config.OptoIPAddress : "0.0.0.0";
            tcpipPortTextBox.Text = config.OptoTcpipPortNr.ToString();
            headPortNrTextBox.Text = config.HeadCommunicationComPortNr.ToString();
            optoSerialPortTextBox.Text = config.OptoComPortNr.ToString();
            rfidPortNrTextBox.Text = config.RfidComPortNr.ToString();
            muxBoardNrTextBox.Text = config.MuxBoardNr.ToString();
			groupTextBox.Text = config.Group.ToString();
            comboBoxCommunicationInterface.SelectedItem = config.CommunicationInterface.ToString();
            double nominalCalibFactor = config.CalibFactorNominal > 0.0
                ? config.CalibFactorNominal
                : IperlHead.DefaultCalibFactorNominal;
            calibFactorNominalTextBox.Text = nominalCalibFactor.ToString(CultureInfo.CurrentCulture);
            tabPage2.Controls.Add(new IperlHeadTestCtrl(config));
        }

		public void Unlock()
		{
			nameTextBox.Enabled = true;
            radioButton1.Enabled = true;
            radioButton2.Enabled = true;
            ipAddressTextBox.Enabled = true;
            tcpipPortTextBox.Enabled = true;
            optoSerialPortTextBox.Enabled = true;
            rfidPortNrTextBox.Enabled = true;
            headPortNrTextBox.Enabled = true;
            muxBoardNrTextBox.Enabled = true;
			groupTextBox.Enabled = true;
            comboBoxCommunicationInterface.Enabled = true;
            calibFactorNominalTextBox.Enabled = true;
		}

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

            int dummy;
            if (radioButton1.Checked)
            {
                IPAddress dummyIPAddress;
                if (!IPAddress.TryParse(ipAddressTextBox.Text, out dummyIPAddress))
                {
                    flags |= CfgUpdateFlags.Error;
                    message += Environment.NewLine + "'IP address' is not valid";
                }

                ushort sdummy;
                if (!ushort.TryParse(tcpipPortTextBox.Text, out sdummy))
                {
                    flags |= CfgUpdateFlags.Error;
                    message += Environment.NewLine + "'TCP/IP port nr.' is not valid";
                }
            }
            else
            {
                if (!int.TryParse(optoSerialPortTextBox.Text, out dummy) || dummy < 1 || dummy > 999)
                {
                    flags |= CfgUpdateFlags.Error;
                    message += Environment.NewLine + "'Opto serial port nr.' is not valid";
                }
            }

            if (!int.TryParse(rfidPortNrTextBox.Text, out dummy) || dummy < 0 || dummy > 999)
            {
                flags |= CfgUpdateFlags.Error;
                message += Environment.NewLine + "'RFID serial port nr.' is not valid";
            }

            if (!int.TryParse(headPortNrTextBox.Text, out dummy) || dummy < 0 || dummy > 999)
            {
                flags |= CfgUpdateFlags.Error;
                message += Environment.NewLine + "'Head communication serial port nr.' is not valid";
            }

            if (!int.TryParse(muxBoardNrTextBox.Text, out dummy) || dummy < 1 || dummy > 4)
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + string.Format(Strings.Invalid_0, muxBoardNrLabel.Text);
			}

            if (!int.TryParse(groupTextBox.Text, out dummy) || dummy < 1 || dummy > 10)
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + string.Format(Strings.Invalid_0, groupLabel.Text);
			}

            double nominalCalibFactor;
            if (!TryParseDouble(calibFactorNominalTextBox.Text, out nominalCalibFactor) || nominalCalibFactor <= 0.0)
            {
                flags |= CfgUpdateFlags.Error;
                message += Environment.NewLine + string.Format(Strings.Invalid_0, calibFactorNominalLabel.Text);
            }

			return flags;
		}

		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;

            if (radioButton1.Checked)
            {
                config.UseTcpIP = true;
                config.OptoIPAddress = ipAddressTextBox.Text;
                config.OptoTcpipPortNr = ushort.Parse(tcpipPortTextBox.Text);
            }
            else
            {
                config.UseTcpIP = false;
                config.OptoComPortNr = int.Parse(optoSerialPortTextBox.Text);
            }

            config.RfidComPortNr = int.Parse(rfidPortNrTextBox.Text);
            config.MuxBoardNr = int.Parse(muxBoardNrTextBox.Text);
			config.Group = int.Parse(groupTextBox.Text);
            config.CommunicationInterface = (CommunicationInterface)comboBoxCommunicationInterface.SelectedIndex;
            config.HeadCommunicationComPortNr = int.Parse(headPortNrTextBox.Text);
            double nominalCalibFactor;
            if (TryParseDouble(calibFactorNominalTextBox.Text, out nominalCalibFactor))
                config.CalibFactorNominal = nominalCalibFactor;

			return flags;
		}

        private static bool TryParseDouble(string value, out double result)
        {
            return double.TryParse(value, NumberStyles.Float, CultureInfo.CurrentCulture, out result) ||
                   double.TryParse(value, NumberStyles.Float, CultureInfo.InvariantCulture, out result);
        }

        private static string GetLocalizedString(string resourceName, string fallback)
        {
            return Strings.ResourceManager.GetString(resourceName, Strings.Culture) ?? fallback;
        }
    }
}