using System;
using System.Windows.Forms;
using System.IO.Ports;
using TBF.BenchControl.Generic;

namespace TBF.BenchControl.Cameras.CameraRoi
{
	public partial class CameraRoiCfgCtrl : UserControl, IComponentCfgCtrl
	{
		ComponentParametersDlg parent;

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

		public CameraRoiCfgCtrl()
		{
			InitializeComponent();
		}

		private void IdcCameraCfgCtrl_Load(object sender, EventArgs e)
		{
			parent = ParentForm as ComponentParametersDlg;
			if (parent == null) return;

			if (parent.TbfComponents != null)
			{
				parentNameComboBox.Items.Add("---");
				foreach (var cmpnt in parent.TbfComponents)
				{
					if (TbfComponents.CmpntFactoryFromClassName(cmpnt.ClassName) is BenchControl.Cameras.IdcCamera.IdcCameraFactory)
					{
						parentNameComboBox.Items.Add(cmpnt.Name);
					}
				}
			}

			Redraw();
		}

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

			classNameLabel.Text = config.Factory.ClassName;
			nameTextBox.Text = config.Name;
			parentNameComboBox.Text = string.IsNullOrEmpty(config.ParentName) ? "---" : config.ParentName;
			roiTextBox.Text = config.RoiNr.ToString();
		}

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

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

			if (!parentNameComboBox.Items.Contains(parentNameComboBox.Text))
			{
				flags |= CfgVerifyFlags.Error;
				message += Environment.NewLine + "Invalid 'Parent Name'";
			}

			int dummy;
			if (!int.TryParse(roiTextBox.Text, out dummy) || dummy < 1 || dummy > 4)
			{
				flags |= CfgVerifyFlags.Error;
				message += Environment.NewLine + "'Region of Interest' is not valid";
			}

			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.RoiNr = int.Parse(roiTextBox.Text);
        }
	}
}