///
/// Copyright (c) 2013-2015 Sensus Slovensko a.s.
///
using System;
using System.Collections.Generic;
using System.Windows.Forms;
using Config.Entities;
using TBF.BenchControl;
using TBF.BenchControl.Generic;
using TBF.Resources;
using TBF.UI.Shared;

namespace TBF.BenchControl
{
	public partial class ComponentParametersDlg : Form
	{
		public IComponentCfgCtrl ComponentCfgCtrl;
        const int ComponentCfgCtrlHeight = 350;
        const int ComponentCfgCtrlMoreHeight = 250;

		public IComponentCfg Config
		{
			get
			{
				if (ComponentCfgCtrl == null) return null;
				return ComponentCfgCtrl.Config;
			}
		}

		public CfgUpdateFlags Flags;
        public bool UnlockAfterStart;

		/// <summary>
		/// List of components (=component configuration instances)
		/// </summary>
		public IList<Config.Entities.Component> TbfComponents;

		public ComponentParametersDlg()
		{
			InitializeComponent();

			Flags = CfgUpdateFlags.None;

			/// SharedDlgButtons configuration
			sharedButtons.RequiredGroupMembership = new Users.Grp.GID[] { global::Users.Grp.GID.Metrologists };
            sharedButtons.MoreButtonTop = ComponentCfgCtrlHeight - 45;
            sharedButtons.OptionalButtons = SharedButtons.Buttons.None;
			sharedButtons.Unlocked += Unlock;
			sharedButtons.OKClicked += okButton_Click;
			sharedButtons.CancelClicked += cancelButton_Click;
			sharedButtons.MoreClicked += moreButton_Click;
		}

		private void ComponentCfgForm_Load(object sender, EventArgs e)
		{
			Text = Strings.Properties;

			if (ComponentCfgCtrl != null)
			{
				splitContainer.Panel1.Controls.Add((UserControl)ComponentCfgCtrl);
			}

			if ((ComponentCfgCtrl != null) && ComponentCfgCtrl.ShowMore)
			{
				sharedButtons.OptionalButtons = SharedButtons.Buttons.More;
			}

            if (UnlockAfterStart)
            {
                sharedButtons.UnlockButtons();
                ComponentCfgCtrl.Unlock();
            }
        }

        /// <summary>
        /// Handler of the Unlock button click
        /// </summary>
		private void Unlock(object sender, EventArgs e)
		{
			ComponentCfgCtrl.Unlock();
		}

		public CfgUpdateFlags VerifyCfg(ref string message)
		{
			if (ComponentCfgCtrl == null) return CfgUpdateFlags.None;	/// Nothing to verify -> OK
			return ComponentCfgCtrl.VerifyCfg(ref message);
		}

		private void okButton_Click(object sender, EventArgs e)
		{
			string message = string.Empty;
			CfgUpdateFlags flags = VerifyCfg(ref message);
			if ((flags & CfgUpdateFlags.Error) == CfgUpdateFlags.Error)
			{
				MessageBox.Show(Strings.Please_change_the_following_settings + message,
								Strings.Error, MessageBoxButtons.OK, MessageBoxIcon.Error);
				return;
			}

			if (ComponentCfgCtrl != null)
			{
				flags = ComponentCfgCtrl.UpdateCfg();

				if ((flags & CfgUpdateFlags.RestartRqrd) == CfgUpdateFlags.RestartRqrd)
				{
					MessageBox.Show(Strings.Program_restart_is_required_to_apply_some_settings,
									Strings.Warning, MessageBoxButtons.OK, MessageBoxIcon.Warning);
				}
				ComponentCfgCtrl.Closing();
			}

			Flags = flags;
			DialogResult = DialogResult.OK;
			Close();
			return;
		}

		private void cancelButton_Click(object sender, EventArgs e)
		{
			if (ComponentCfgCtrl != null) ComponentCfgCtrl.Closing();
			DialogResult = DialogResult.Cancel;
			Close();
			return;
		}

		private void moreButton_Click(object sender, EventArgs e)
		{
			ComponentCfgCtrl.Unlock();

			if (sharedButtons.MoreActive)
			{
                Height = Height + ComponentCfgCtrlMoreHeight;
			}
			else
			{
                Height = Height - ComponentCfgCtrlMoreHeight;
			}
			return;
		}
	}
}