using System;
using System.Windows.Forms;
using log4net;
using TBF.BenchControl.Generic;

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

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

		public PressureMeterCfgCtrl()
		{
			InitializeComponent();
		}

		private void PressureMeterCfgCtrl_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 Elde.ControlBoardFactory)
					{
						parentNameComboBox.Items.Add(cmpnt.Name);
					}
				}
			}

			Redraw();
		}

		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;
			positionTextBox.Text = config.Position.ToString();
			rs485AddressTextBox.Text = config.RS485Address.ToString();
		}

		public void Unlock()
		{
			nameTextBox.Enabled = true;
			parentNameComboBox.Enabled = true;
			positionTextBox.Enabled = true;
			rs485AddressTextBox.Enabled = true;
		}

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

			int dummy;
			if (!parentNameComboBox.Items.Contains(parentNameComboBox.Text))
			{
				flags |= CfgVerifyFlags.Error;
				message += Environment.NewLine + "Invalid 'Parent Name'";
			}
			if (!int.TryParse(positionTextBox.Text, out dummy) || dummy < 0 || dummy > 7)
			{
				flags |= CfgVerifyFlags.Error;
				message += Environment.NewLine + "'Position' should be between 0 and 7";
			}
			if (!int.TryParse(rs485AddressTextBox.Text, out dummy) || dummy < 0 || dummy > 255)
			{
				flags |= CfgVerifyFlags.Error;
				message += Environment.NewLine + "'RS485 Address' should be between 0 and 255";
			}
			return flags;
		}

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

			config.Name = nameTextBox.Text;
			config.ParentName = parentNameComboBox.Text.Equals("---") ? string.Empty : parentNameComboBox.Text;
			config.Position = int.Parse(positionTextBox.Text);
			config.RS485Address = (byte)int.Parse(rs485AddressTextBox.Text);
		}
	}
}