///
/// Copyright (c) 2015-2019 Sensus Slovensko a.s.
///
using System;
using System.Windows.Forms;
using Config.Entities;
using TBF.Rig.Generic;
using TBF.UI.Bench.Components;

namespace TBF.Rig.Modbus.QuidoRS
{
	public partial class QuidoRSCfgCtrl : UserControl, IComponentCfgCtrl
	{
		ComponentParametersDlg parent;

		public bool ShowMore { get { return false; } }

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

		public QuidoRSCfgCtrl()
		{
			InitializeComponent();
		}

		private void QuidoRSCfgCtrl_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 Modbus.Common.Factory)
					{
						parentNameComboBox.Items.Add(cmpnt.Name);
					}
				}
			}

            for (QuidoVariant v = 0; v < QuidoVariant.Count; v++) variantComboBox.Items.Add(v.ToString());

			Redraw();
		}

		public void Closing()
		{
		}

		void Redraw()
		{
			if (config == null) return;			/// Control was not loaded, settings were not changed
												
			componentNameLabel.Text = config.Factory.ClassName;
			nameTextBox.Text = config.Name;
			parentNameComboBox.Text = string.IsNullOrEmpty(config.ParentName) ? "---" : config.ParentName;
			modbusAddressTextBox.Text = config.ModbusAddress.ToString();
            variantComboBox.Text = config.Variant.ToString();
            watchdogCheckBox.Checked = config.WatchdogEnabled;
            watchdogBitNrTextBox.Text = config.WatchdogBitNr.ToString();
		}

		public void Unlock()
		{
			nameTextBox.Enabled = true;
			parentNameComboBox.Enabled = true;
			modbusAddressTextBox.Enabled = true;
            variantComboBox.Enabled = true;
            watchdogCheckBox.Enabled = true;
            watchdogBitNrTextBox.Enabled = true;
		}

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

			int dummy;
			if (!parentNameComboBox.Items.Contains(parentNameComboBox.Text))
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + "Invalid 'Parent Name'";
			}
			if (!int.TryParse(modbusAddressTextBox.Text, out dummy) || dummy < 1 || dummy > 247)
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + "'Modbus Address' should be between 0 and 255";
			}
            if (!variantComboBox.Items.Contains(variantComboBox.Text))
            {
                flags |= CfgUpdateFlags.Error;
                message += Environment.NewLine + "Invalid 'Variant'";
            }
            if (!int.TryParse(watchdogBitNrTextBox.Text, out dummy) || dummy < 0 || dummy > 15)
            {
                flags |= CfgUpdateFlags.Error;
                message += Environment.NewLine + "'Watchdog Bit Nr.' should be between 0 and 15";
            }
            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;
			config.ParentName = parentNameComboBox.Text.Equals("---") ? string.Empty : parentNameComboBox.Text;
			config.ModbusAddress = (byte)int.Parse(modbusAddressTextBox.Text);
            for (QuidoVariant v = 0; v < QuidoVariant.Count; v++)
            {
                if (variantComboBox.Text == v.ToString()) { config.Variant = v; break; }
            }
            config.WatchdogEnabled = watchdogCheckBox.Checked;
            config.WatchdogBitNr = int.Parse(watchdogBitNrTextBox.Text);

			return flags;
		}
	}
}