///
/// Copyright (c) 2018 Sensus Slovensko a.s.
///
using System;
using System.Windows.Forms;
using log4net;
using TBF.Resources;

namespace TBF.BenchControl.Various.ManualLevelMsrmnt
{
	public partial class WaterLevelForm : Form
    {
		private static readonly ILog log = LogManager.GetLogger(typeof(WaterLevelForm));

		// Set to 'true' when the form closes
		public bool Completed { get { return completed; } }
		bool completed;

		/// <summary> Water level in mm entered by the user </summary>
		public double Level_mm;


		/// <summary>
		/// Constructor to fill in start states
		/// </summary>
		/// <param name="waterMetersCount">Number of text boxes for serial numbers</param>
		public WaterLevelForm()
		{
			InitializeComponent();
			ControlBox = false;
			Level_mm = 0;
			completed = false;
			StartForceCloseHandler();
		}

		private void WaterLevelForm_Load(object sender, EventArgs e)
		{
            Localize();
		}

		void Localize()
		{
			Text = Strings.Water_level_in_mm;
			waterLevelGroupBox.Text = Strings.Water_level_in_mm;
			okButton.Text = Strings.OkBtnText;
		}

		private void waterLevelTextBox_TextChanged(object sender, EventArgs e)
		{
			double dummy;
			okButton.Enabled = Utils.TryParseUDouble(waterLevelTextBox.Text, out dummy);
		}

		private void okButton_Click(object sender, EventArgs eArgs)
		{
            log.Debug("okButton_Click(..)");

            try
            {
				Level_mm = Utils.ParseUDouble(waterLevelTextBox.Text);
			}
            catch (Exception e)
            {
                log.ErrorFormat("Exception: {0}", e.Message);
                return;
            }

			completed = true;
			Close();
		}

        #region Forced close handling

        /// <summary>
        /// Used by CoverTest, AskYesNoOp and MessageBoxOp.
        /// </summary>
        public void OnCloseThisForm(object sender, EventArgs args)
        {
            if (CloseThisFormHandler == null) return;
            try
            {
                CloseThisFormHandler(sender, null);
            }
            catch (Exception e)
            {
                log.Error("CloseThisFormHandler(...) failed", e);
            }
        }

        public event EventHandler<EventArgs> CloseThisFormHandler;

        public void StartForceCloseHandler()
        {
            CloseThisFormHandler += delegate(object sender, EventArgs args)
            {
                if (InvokeRequired)
                    Invoke(new EventHandler<EventArgs>(OnForceClose), sender, args);
                else
                    OnForceClose(sender, args);
            };
        }

        private void OnForceClose(object sender, EventArgs args)
        {
            DialogResult = DialogResult.Cancel;
            Close();
        }

        #endregion
    }
}