///
/// Copyright (c) 2015 Sensus Metering Systems
///
using System;
using System.Windows.Forms;
using log4net;
using TBF.BenchControl.Generic;

namespace TBF.BenchControl.Modbus.QuidoRS
{
	public partial class QuidoRSCfgCtrl : UserControl, IComponentCfgCtrl
	{
		static readonly ILog log = LogManager.GetLogger(typeof(QuidoRSCfgCtrl));

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

			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();
		}

		public void Unlock()
		{
			nameTextBox.Enabled = true;
			parentNameComboBox.Enabled = true;
			modbusAddressTextBox.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 < 0 || dummy > 255)
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + "'Modbus Address' should be between 0 and 255";
			}
			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);

			return flags;
		}
	}
}