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

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

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

		public FlowMeterCfgCtrl()
		{
			InitializeComponent();
		}

		private void FlowMeterCfgCtrl_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);
					}
                    if (TbfComponents.CmpntFactoryFromClassName(cmpnt.ClassName) is Elde.FlowMeter.FlowMeterFactory)
                    {
                        flowMeter1ComboBox.Items.Add(cmpnt.Name);
                        flowMeter2ComboBox.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;
            flowMeter1ComboBox.Text = string.IsNullOrEmpty(config.FlowMeter1) ? "---" : config.FlowMeter1;
            flowMeter2ComboBox.Text = string.IsNullOrEmpty(config.FlowMeter2) ? "---" : config.FlowMeter2;
            nominalFlowTextBox.Text = config.NominalFlow.ToString();
        }

		public void Unlock()
		{
			nameTextBox.Enabled = true;
			parentNameComboBox.Enabled = true;
            flowMeter1ComboBox.Enabled = true;
            flowMeter2ComboBox.Enabled = true;
            nominalFlowTextBox.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'";
			}
            if (!flowMeter1ComboBox.Items.Contains(flowMeter1ComboBox.Text))
            {
                flags |= CfgVerifyFlags.Error;
                message += Environment.NewLine + "Invalid 'Flow Meter 1'";
            }
            if (!flowMeter2ComboBox.Items.Contains(flowMeter2ComboBox.Text))
            {
                flags |= CfgVerifyFlags.Error;
                message += Environment.NewLine + "Invalid 'Flow Meter 2'";
            }
            float fdummy;
            if (!Utils.TryParseUFloat(nominalFlowTextBox.Text, out fdummy) || fdummy < 0.2 || fdummy > 1600)
            {
                flags |= CfgVerifyFlags.Error;
                message += Environment.NewLine + "'Nominal flow' should be between 0.2 and 1600";
            }
            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.FlowMeter1 = flowMeter1ComboBox.Text.Equals("---") ? string.Empty : flowMeter1ComboBox.Text;
            config.FlowMeter2 = flowMeter2ComboBox.Text.Equals("---") ? string.Empty : flowMeter2ComboBox.Text;
            Utils.TryParseUFloat(nominalFlowTextBox.Text, out config.NominalFlow);
        }
	}
}