///
/// Copyright (c) 2018 Sensus Slovensko a.s.
///
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
using log4net;
using Config.Entities;
using TBF.Resources;

namespace TBF.BenchControl.TestMethods.PulsesTest
{
	public partial class WMPulsesForm : Form, GenericDevices.IHasCompleted
    {
		private static readonly ILog log = LogManager.GetLogger(typeof(WMPulsesForm));

		///
		/// Updated in constructor
		/// 
		readonly int waterMetersCount;		/// Number of text boxes for serial numbers
		readonly bool[] disabled;
		Rectangle[] rects;

		///
		/// Updated in OnAdjustmentInProgress()
		///
		double[] pulsesCount;						/// Created in constructor
		double minPulsesCount;

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


        /// <summary>
        /// Constructor
        /// </summary>
        /// <param name="waterMetersCount">Number of text boxes for serial numbers</param>
		public WMPulsesForm(IList<GenericDevices.IWaterMeter> waterMeters)
			: this()
        {
			waterMetersCount = waterMeters.Count;

			rects = new Rectangle[waterMetersCount];
			for (int i = 0; i < waterMetersCount; i++) rects[i] = new Rectangle(385, 30 + 90 * i, 324, 57);

			disabled = new bool[waterMetersCount];
			for (int i = 0; i < waterMetersCount; i++) disabled[i] = waterMeters[i].Disabled;

			pulsesCount = new double[waterMetersCount];
		}

        /// <summary> Parameterless constructor for 3 watermeters </summary>
        public WMPulsesForm()
        {
			InitializeComponent();
			ControlBox = false;

			completed = false;
            minPulsesCount = 1;            /// Must be >0 so that initially the indication is RED

			/// Attach to 'AdjustmentInProgress' handler
			UiBridge.Bridge.PulsesTestInProgressHandler += delegate(object sender, UiBridge.PulsesTestInProgressEventArgs args)
			{
				if (InvokeRequired)
				{
					Invoke(new EventHandler<UiBridge.PulsesTestInProgressEventArgs>(OnPulsesTestInProgress), sender, args);
				}
				else OnPulsesTestInProgress(sender, args);
			};
		}

        void Localize()
        {
            Text = Strings.Water_Meter_States;
            groupBox1.Text = Strings.Water_Meter + " 1";
            groupBox2.Text = Strings.Water_Meter + " 2";
            groupBox3.Text = Strings.Water_Meter + " 3";
            groupBox4.Text = Strings.Water_Meter + " 4";
            groupBox5.Text = Strings.Water_Meter + " 5";
            groupBox6.Text = Strings.Water_Meter + " 6";
            wmPulsesCountLabel1.Text = Strings.Pulses_count;
            wmPulsesCountLabel2.Text = Strings.Pulses_count;
            wmPulsesCountLabel3.Text = Strings.Pulses_count;
            wmPulsesCountLabel4.Text = Strings.Pulses_count;
            wmPulsesCountLabel5.Text = Strings.Pulses_count;
            wmPulsesCountLabel6.Text = Strings.Pulses_count;
        }

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

            Height = 50 + 90 * waterMetersCount;

            if (waterMetersCount < 1 || disabled[0]) groupBox1.Visible = false;
			if (waterMetersCount < 2 || disabled[1]) groupBox2.Visible = false;
			if (waterMetersCount < 3 || disabled[2]) groupBox3.Visible = false;
			if (waterMetersCount < 4 || disabled[3]) groupBox4.Visible = false;
			if (waterMetersCount < 5 || disabled[4]) groupBox5.Visible = false;
			if (waterMetersCount < 6 || disabled[5]) groupBox6.Visible = false;

			wmPulsesCountTextBox1.Text = "---";
			wmPulsesCountTextBox2.Text = "---";
			wmPulsesCountTextBox3.Text = "---";
			wmPulsesCountTextBox4.Text = "---";
			wmPulsesCountTextBox5.Text = "---";
			wmPulsesCountTextBox6.Text = "---";
		}

		void OnPulsesTestInProgress(object sender, UiBridge.PulsesTestInProgressEventArgs args)
		{
			string testName = args.TestName;
            minPulsesCount = args.MinPulsesCount;

			Results.Entities.TestRslt tr = TBF.BenchControl.Sequences.ProcessData.BatchRslts.GetTestRslt(testName, 0);

			int count = Math.Min(waterMetersCount, TBF.BenchControl.Sequences.ProcessData.BatchRslts.WMPositionsCount);
			for (int i = 0; i < count; i++)
			{
				Results.Entities.MeterTestRslt mtr = TBF.BenchControl.Sequences.ProcessData.BatchRslts.GetMeterTestRslt(testName, i, CompoundMeterId.Single);
                if (mtr != null) pulsesCount[i] = mtr.PulsesMeter;
			}

			Redraw();
		}

		void Redraw()
		{
			if (waterMetersCount > 0 && !disabled[0]) wmPulsesCountTextBox1.Text = pulsesCount[0].ToString("F0");
			if (waterMetersCount > 1 && !disabled[1]) wmPulsesCountTextBox2.Text = pulsesCount[1].ToString("F0");
			if (waterMetersCount > 2 && !disabled[2]) wmPulsesCountTextBox3.Text = pulsesCount[2].ToString("F0");
			if (waterMetersCount > 3 && !disabled[3]) wmPulsesCountTextBox4.Text = pulsesCount[3].ToString("F0");
			if (waterMetersCount > 4 && !disabled[4]) wmPulsesCountTextBox5.Text = pulsesCount[4].ToString("F0");
			if (waterMetersCount > 5 && !disabled[5]) wmPulsesCountTextBox6.Text = pulsesCount[5].ToString("F0");

			for (int i = 0; i < waterMetersCount; i++) Invalidate(rects[i]);
		}

		private void WMPulsesForm_Paint(object sender, PaintEventArgs e)
		{
			System.Drawing.Graphics graphics = this.CreateGraphics();

			for (int i = 0; i < waterMetersCount; i++)
			{
				if (!disabled[i])
				{
					PaintOne(graphics, rects[i], pulsesCount[i], minPulsesCount);
				}
			}
		}

		void PaintOne(System.Drawing.Graphics g, Rectangle r, double value, double limLo)
		{
			Rectangle rect1 = new Rectangle(r.Left, r.Top, r.Width / 3, r.Height);
			Rectangle rect2 = new Rectangle(r.Left + r.Width / 3, r.Top, r.Width / 3, r.Height);
			Rectangle rect3 = new Rectangle(r.Left + 2 * (r.Width / 3), r.Top, r.Width / 3, r.Height);

            Brush redBrush = new SolidBrush(Color.FromName("Salmon"));
            Brush greenBrush = new SolidBrush(Color.FromName("LightGreen"));
            Brush centBrush = new SolidBrush(Color.FromName("Green"));
            if (value >= limLo)
            {
                g.FillRectangle(greenBrush, rect2);
            }
            else
            {
                g.FillRectangle(redBrush, rect2);
            }
        }

		#region Forced close handling

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

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

		#endregion
	}
}