///
/// Copyright (c) 2015 Sensus Metering Systems
///
using System;
using System.Collections.Generic;
using System.Windows.Forms;
using log4net;
using TBF.Resources;

namespace TBF.BenchControl.DataEntry.Standard24
{
	public partial class CycleBeginningForm : Form, GenericDevices.IHasCompleted
    {
		private static readonly ILog log = LogManager.GetLogger(typeof(CycleBeginningForm));

		/// <summary> Number of water meters </summary>
        public readonly int WaterMetersCount;

		/// To be retrieved after the form is closed
		public string PurchaseOrder;
		public string[] SNText;
		public bool[] Disabled;

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

		/// <summary> Number of text boxes for serial numbers </summary>
		int textBoxesCount;
		Label[] labels;
		ComboBox[] comboBoxes;
		CheckBox[] checkBoxes;
		IList<ComboBox> enabledComboBoxes;


		/// <summary> Parameterless constructor for common functionality </summary>
		public CycleBeginningForm()
		{
			InitializeComponent();
			ControlBox = false;

			textBoxesCount = 24;
			labels = new Label[]
				{
					label1,  label2,  label3,  label4,  label5,  label6,  label7,  label8,  label9,  label10,
					label11, label12, label13, label14, label15, label16, label17, label18, label19, label20,
					label21, label22, label23, label24,
				};
			comboBoxes = new ComboBox[]
				{
					comboBox1,  comboBox2,  comboBox3,  comboBox4,  comboBox5,  comboBox6,
					comboBox7,  comboBox8,  comboBox9,  comboBox10, comboBox11, comboBox12,
					comboBox13, comboBox14, comboBox15, comboBox16, comboBox17, comboBox18,
					comboBox19, comboBox20, comboBox21, comboBox22, comboBox23, comboBox24,
				};
			checkBoxes = new CheckBox[]
				{
					checkBox1,  checkBox2,  checkBox3,  checkBox4,  checkBox5,  checkBox6,
					checkBox7,  checkBox8,  checkBox9,  checkBox10, checkBox11, checkBox12,
					checkBox13, checkBox14, checkBox15, checkBox16, checkBox17, checkBox18,
					checkBox19, checkBox20, checkBox21, checkBox22, checkBox23, checkBox24,
				};
			enabledComboBoxes = new List<ComboBox>();

			completed = false;
			StartForceCloseHandler();
		}

        /// <summary>
        /// Constructor
        /// </summary>
        /// <param name="waterMetersCount">Number of text boxes for serial numbers</param>
        public CycleBeginningForm(int waterMetersCount)
			: this()
        {
            this.WaterMetersCount = waterMetersCount;
            SNText = new string[WaterMetersCount];
			Disabled = new bool[WaterMetersCount];

			ShuffleTextBoxes(Config.Data.WMsCount, Config.Data.LineSize);

            //Height = 147 + WaterMetersCount * 90;
        }

		/// <summary>
		/// Make sure the layout of labels/text boxes on the screen
		/// corresponds to the layout of watermeters of the test bench.
		/// </summary>
		/// <param name="wmsCount">Number of watermeters</param>
		/// <param name="lineSize">Number of watermeters in one line</param>
		void ShuffleTextBoxes(int wmsCount, int lineSize)
		{
			if (wmsCount < textBoxesCount && lineSize > 0)
			{
				int nrLines = (wmsCount + lineSize - 1) / lineSize;
				int gap = (textBoxesCount - wmsCount) / nrLines;

				int dest = 0;
				for (int l = 0; l < nrLines; l++)
				{
					for (int i = 0; i < lineSize; i++)
					{
						labels[dest] = labels[l * lineSize + l * gap + i];
						comboBoxes[dest] = comboBoxes[l * lineSize + l * gap + i];
						checkBoxes[dest] = checkBoxes[l * lineSize + l * gap + i];
						dest++;
					}
				}
				textBoxesCount = wmsCount;
			}
		}

        private void CycleBeginningForm_Load(object sender, EventArgs e)
        {
			Localize();
			
			PrepareOrderCombo(orderComboBox);

			for (int i = 0; i < textBoxesCount; i++)
			{
				if (Program.LocalSettings.LastSNTextsCount == textBoxesCount)
				{
					comboBoxes[i].Items.Add(Program.LocalSettings.LastSNTexts[i]);
				}
				labels[i].Visible = comboBoxes[i].Visible = checkBoxes[i].Visible = true;
				enabledComboBoxes.Add(comboBoxes[i]);
			}
		}

		void Localize()
		{
			Text = Strings.Data;
			orderGroupBox.Text = Strings.Purchase_order;
			for (int i = 0; i < textBoxesCount; i++)
			{
				labels[i].Text = Strings.Serial_Number + " " + (i + 1).ToString();
			}
			okButton.Text = Strings.OkBtnText;
			clearButton.Text = Strings.ClearBtnText;
		}

		/// <summary>
		/// Load Purchase order combo box items from the LocalSettings PurchaseOrderHistory array
		/// </summary>
		/// <param name="orderComboBox">Puchase order ComboBox</param>
		void PrepareOrderCombo(ComboBox orderComboBox)
		{
			for (int i = 0; i < Program.LocalSettings.PurchaseOrderHistoryCount; i++)
			{
				orderComboBox.Items.Add(Program.LocalSettings.PurchaseOrderHistory[i]);
			}

			if (orderComboBox.Items.Count > 0)
			{
				orderComboBox.Text = orderComboBox.Items[0].ToString();
			}
		}

		private void okButton_Click(object sender, EventArgs e)
        {
			PurchaseOrder = orderComboBox.Text;
			Program.LocalSettings.UpdateHistory(orderComboBox.Text,
												ref Program.LocalSettings.PurchaseOrderHistory
#if FUZHOU150 || FUZHOU300
												, 20
#endif
												);

			Program.LocalSettings.LastSNTexts = SNText;

			for (int i = 0; i < Math.Min(WaterMetersCount, textBoxesCount); i++)
			{
				SNText[i] = comboBoxes[i].Text;
				Disabled[i] = !checkBoxes[i].Checked;
			}

            completed = true;
            Close();
        }

		/// <summary>
		/// When one combo box is updated using drop-down menu, all combo boxes
		/// are updated by this function.
		/// </summary>
		private void UpdateAllCombos()
		{
			for (int i = 0; i < Math.Min(WaterMetersCount, textBoxesCount); i++)
			{
				comboBoxes[i].Text = Program.LocalSettings.LastSNTexts[i];
				checkBoxes[i].Checked = !string.IsNullOrEmpty(comboBoxes[i].Text);
			}
		}

		private void clearButton_Click(object sender, EventArgs e)
		{
			for (int i = 0; i < Math.Min(WaterMetersCount, textBoxesCount); i++)
			{			
				comboBoxes[i].Text = string.Empty;
				checkBoxes[i].Checked = false;
			}
		}


		private void comboBox1_TextChanged(object sender, EventArgs e) { checkBox1.Checked = true; }
		private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox1.Text.Equals(comboBox1.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox2_TextChanged(object sender, EventArgs e) { checkBox2.Checked = true; }
		private void comboBox2_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox2.Text.Equals(comboBox2.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox3_TextChanged(object sender, EventArgs e) { checkBox3.Checked = true; }
		private void comboBox3_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox3.Text.Equals(comboBox3.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox4_TextChanged(object sender, EventArgs e) { checkBox4.Checked = true; }
		private void comboBox4_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox4.Text.Equals(comboBox4.Items[0])) UpdateAllCombos();
			}
		}
 
		private void comboBox5_TextChanged(object sender, EventArgs e) { checkBox5.Checked = true; }
		private void comboBox5_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox5.Text.Equals(comboBox5.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox6_TextChanged(object sender, EventArgs e) { checkBox6.Checked = true; }
		private void comboBox6_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox6.Text.Equals(comboBox6.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox7_TextChanged(object sender, EventArgs e) { checkBox7.Checked = true; }
		private void comboBox7_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox7.Text.Equals(comboBox7.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox8_TextChanged(object sender, EventArgs e) { checkBox8.Checked = true; }
		private void comboBox8_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox8.Text.Equals(comboBox8.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox9_TextChanged(object sender, EventArgs e) { checkBox9.Checked = true; }
		private void comboBox9_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox9.Text.Equals(comboBox9.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox10_TextChanged(object sender, EventArgs e) { checkBox10.Checked = true; }
		private void comboBox10_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox10.Text.Equals(comboBox10.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox11_TextChanged(object sender, EventArgs e) { checkBox11.Checked = true; }
		private void comboBox11_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox11.Text.Equals(comboBox11.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox12_TextChanged(object sender, EventArgs e) { checkBox12.Checked = true; }
		private void comboBox12_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox12.Text.Equals(comboBox12.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox13_TextChanged(object sender, EventArgs e) { checkBox13.Checked = true; }
		private void comboBox13_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox13.Text.Equals(comboBox13.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox14_TextChanged(object sender, EventArgs e) { checkBox14.Checked = true; }
		private void comboBox14_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox14.Text.Equals(comboBox14.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox15_TextChanged(object sender, EventArgs e) { checkBox15.Checked = true; }
		private void comboBox15_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox15.Text.Equals(comboBox15.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox16_TextChanged(object sender, EventArgs e) { checkBox16.Checked = true; }
		private void comboBox16_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox16.Text.Equals(comboBox16.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox17_TextChanged(object sender, EventArgs e) { checkBox17.Checked = true; }
		private void comboBox17_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox17.Text.Equals(comboBox17.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox18_TextChanged(object sender, EventArgs e) { checkBox18.Checked = true; }
		private void comboBox18_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox18.Text.Equals(comboBox18.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox19_TextChanged(object sender, EventArgs e) { checkBox19.Checked = true; }
		private void comboBox19_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox19.Text.Equals(comboBox19.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox20_TextChanged(object sender, EventArgs e) { checkBox20.Checked = true; }
		private void comboBox20_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox20.Text.Equals(comboBox20.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox21_TextChanged(object sender, EventArgs e) { checkBox21.Checked = true; }
		private void comboBox21_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox21.Text.Equals(comboBox21.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox22_TextChanged(object sender, EventArgs e) { checkBox22.Checked = true; }
		private void comboBox22_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox22.Text.Equals(comboBox22.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox23_TextChanged(object sender, EventArgs e) { checkBox23.Checked = true; }
		private void comboBox23_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox23.Text.Equals(comboBox23.Items[0])) UpdateAllCombos();
			}
		}

		private void comboBox24_TextChanged(object sender, EventArgs e) { checkBox24.Checked = true; }
		private void comboBox24_SelectedIndexChanged(object sender, EventArgs e)
		{
			if (Program.LocalSettings.LastSNTextsCount == WaterMetersCount)
			{
				if (comboBox24.Text.Equals(comboBox24.Items[0])) UpdateAllCombos();
			}
		}

		#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);
			};
		}

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

		#endregion

		/// <summary>
		/// Process a key press within any enabled text boxe
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		/// <param name="currentFocusOwner">TextBox control which received the event</param>
		private void ProcKeyPress(object sender, KeyPressEventArgs e, ComboBox currentFocusOwner)
		{
			if (e.KeyChar == '+')
			{
				/// Process '+' key ..... Form completed
				okButton_Click(sender, e);
			}
			if (e.KeyChar == '\r')
			{
				/// Process <enter> key ..... Next text field
				if (enabledComboBoxes.Count < 2) return;		/// There is just one enabled textbox

				for (int i = 0; i < enabledComboBoxes.Count; i++)
				{
					if (enabledComboBoxes[i] == currentFocusOwner)
					{
						/// Change focus to the next enabled text box
						enabledComboBoxes[(i + 1) % enabledComboBoxes.Count].Focus();
						return;
					}
				}
			}
		}

		private void comboBox1_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox1); }
		private void comboBox2_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox2); }
		private void comboBox3_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox3); }
		private void comboBox4_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox4); }
		private void comboBox5_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox5); }
		private void comboBox6_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox6); }
		private void comboBox7_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox7); }
		private void comboBox8_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox8); }
		private void comboBox9_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox9); }
		private void comboBox10_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox10); }
		private void comboBox11_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox11); }
		private void comboBox12_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox12); }
		private void comboBox13_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox13); }
		private void comboBox14_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox14); }
		private void comboBox15_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox15); }
		private void comboBox16_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox16); }
		private void comboBox17_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox17); }
		private void comboBox18_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox18); }
		private void comboBox19_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox19); }
		private void comboBox20_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox20); }
		private void comboBox21_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox21); }
		private void comboBox22_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox22); }
		private void comboBox23_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox23); }
		private void comboBox24_KeyPress(object sndr, KeyPressEventArgs e) { ProcKeyPress(sndr, e, comboBox24); }
   }
}