///
/// Copyright (c) 2013-2016 Sensus Metering Systems
///
using System;
using System.Windows.Forms;
using Common;
using Config.Entities;
using TBF.Rig.Generic;
using TBF.UI.Bench.Components;

namespace TBF.Rig.BuiltIn.Valve
{
	public partial class ValveCfgCtrl : UserControl, IComponentCfgCtrl
	{
		ComponentParametersDlg parent;

		public bool ShowMore { get { return false; } }

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

		public ValveCfgCtrl()
		{
			InitializeComponent();
		}

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

            categoryComboBox.Items.Add(ValveCategory.Feeding.ToString());
            categoryComboBox.Items.Add(ValveCategory.Bench.ToString());
            categoryComboBox.Items.Add(ValveCategory.Output.ToString());
            categoryComboBox.Items.Add(ValveCategory.None.ToString());

			if (parent.CmpntEntities != null)
			{
				parentNameComboBox.Items.Add("---");
				coupledToComboBox.Items.Add("---");
				foreach (var cmpnt in parent.CmpntEntities)
				{
                    if (cmpnt.ClassName.Contains("ControlBoard"))
                    {
						parentNameComboBox.Items.Add(cmpnt.Name);
					}
					if (TbfComponents.CmpntFactoryFromClassName(cmpnt.ClassName) is BuiltIn.Valve.ValveFactory)
					{
						coupledToComboBox.Items.Add(cmpnt.Name);
					}
				}
			}

			Redraw();
		}

		public void Closing()
		{
		}

		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;
			bitPositionTextBox.Text = config.BitNr.ToString();
            invertedCheckBox.Checked = config.Inverted;
            openCloseTimeTextBox.Text = config.OpenCloseTime.ToString();
            categoryComboBox.Text = config.Category.ToString();
			coupledToComboBox.Text = string.IsNullOrEmpty(config.CoupledToName) ? "---" : config.CoupledToName;
			invertCoupleCheckBox.Checked = config.InvertCouple;
			lagOpeningTextBox.Text = config.LagOpening.ToString();
			lagClosingTextBox.Text = config.LagClosing.ToString();
		}

		public void Unlock()
		{
			nameTextBox.Enabled = true;
			parentNameComboBox.Enabled = true;
			bitPositionTextBox.Enabled = true;
            invertedCheckBox.Enabled = true;
            openCloseTimeTextBox.Enabled = true;
            categoryComboBox.Enabled = true;
			coupledToComboBox.Enabled = true;
			invertCoupleCheckBox.Enabled = true;
			lagOpeningTextBox.Enabled = true;
			lagClosingTextBox.Enabled = true;
		}

		public CfgUpdateFlags UpdateCfg()
		{
			CfgUpdateFlags flags = CfgUpdateFlags.None;

			if (config == null) return CfgUpdateFlags.Error;	/// Control was not loaded, settings were not changed

			string newParentName = parentNameComboBox.Text.Equals("---") ? string.Empty : parentNameComboBox.Text;
			int newBitPosition = int.Parse(bitPositionTextBox.Text);
			string newCoupledToName = coupledToComboBox.Text.Equals("---") ? string.Empty : coupledToComboBox.Text;

			int newLagOpening = int.Parse(lagOpeningTextBox.Text);
			int newLagClosing = int.Parse(lagClosingTextBox.Text);
			int newOpenCloseTime = int.Parse(openCloseTimeTextBox.Text);

			ValveCategory newCategory;
			if (categoryComboBox.Text.Equals(ValveCategory.Feeding.ToString())) newCategory = ValveCategory.Feeding;
			else if (categoryComboBox.Text.Equals(ValveCategory.Bench.ToString())) newCategory = ValveCategory.Bench;
			else if (categoryComboBox.Text.Equals(ValveCategory.Output.ToString())) newCategory = ValveCategory.Output;
			else newCategory = ValveCategory.None;

			if (config.Name != nameTextBox.Text ||
				config.ParentName != newParentName ||
				config.BitNr != newBitPosition ||
				config.Category != newCategory ||
				config.Inverted != invertedCheckBox.Checked ||
				config.CoupledToName != newCoupledToName ||
				config.InvertCouple != invertCoupleCheckBox.Checked)
			{
				config.Name = nameTextBox.Text;
				config.ParentName = newParentName;
				config.BitNr = newBitPosition;
				config.Category = newCategory;
				config.Inverted = invertedCheckBox.Checked;
				config.CoupledToName = newCoupledToName;
				config.InvertCouple = invertCoupleCheckBox.Checked;

				flags |= (CfgUpdateFlags.RestartRqrd | CfgUpdateFlags.AnyChange);
			}

			if (config.OpenCloseTime != newOpenCloseTime ||
				config.LagOpening != newLagOpening ||
				config.LagClosing != newLagClosing)
			{
				config.OpenCloseTime = newOpenCloseTime;
				config.LagOpening = newLagOpening;
				config.LagClosing = newLagClosing;

				flags |= (CfgUpdateFlags.InvokeCfgChange | CfgUpdateFlags.AnyChange);
			}

			if ((flags & CfgUpdateFlags.InvokeCfgChange) != 0)
			{
				Valve.OnCfgChange(this, new CfgChangeArgs(CfgChangeCmd.CfgChange, config));
			}

			return flags;
		}

		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 (!categoryComboBox.Items.Contains(categoryComboBox.Text))
            {
                flags |= CfgUpdateFlags.Error;
                message += Environment.NewLine + "Invalid 'Category'";
            }
            if (!coupledToComboBox.Items.Contains(coupledToComboBox.Text))
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + "Invalid 'Coupled To'";
			}
			if (!int.TryParse(bitPositionTextBox.Text, out dummy) || dummy < 0 || dummy >= 128)
			{
				flags |= CfgUpdateFlags.Error;
				message += Environment.NewLine + "'Bit Position' should be between 0 and 127";
			}
            if (!int.TryParse(openCloseTimeTextBox.Text, out dummy) || dummy < 0 || dummy > 300 || (dummy % StateMachine.Period) != 0)
            {
                flags |= CfgUpdateFlags.Error;
                message += Environment.NewLine + "'Open/close time' should be between 0 and 300 s";
                if (dummy % StateMachine.Period != 0)
                    message += Environment.NewLine + string.Format("and a multiple of {0}", StateMachine.Period);
            }
            if (!int.TryParse(lagOpeningTextBox.Text, out dummy) || (dummy % StateMachine.Period) != 0)
			{
				flags |= CfgUpdateFlags.Error;
                message += Environment.NewLine + string.Format("'Delay when opening' error should be a multiple of {0}", StateMachine.Period);
			}
            if (!int.TryParse(lagClosingTextBox.Text, out dummy) || (dummy % StateMachine.Period) != 0)
			{
				flags |= CfgUpdateFlags.Error;
                message += Environment.NewLine + string.Format("'Delay when closing' error should be a multiple of {0}", StateMachine.Period);
			}
			return flags;
		}
	}
}