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

namespace TBF.BenchControl.DataEntry.iPerl
{
	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;
        public readonly bool reversedDirection;

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

			completed = false;
			StartForceCloseHandler();
		}


        /// <summary>
        /// Constructor
        /// </summary>
        /// <param name="waterMetersCount">Number of text boxes for serial numbers</param>
        public CycleBeginningForm(int waterMetersCount, bool reversedDirection)
			: this()
        {
            this.WaterMetersCount = waterMetersCount;
            this.reversedDirection = reversedDirection;
			SNText = null;
			Disabled = null;
        }


        private void CycleBeginningForm_Load(object sender, EventArgs e)
        {
			Text = Strings.Data;
			orderGroupBox.Text = Strings.Purchase_order;
			okButton.Text = Strings.OkBtnText;			
			PrepareOrderCombo(orderComboBox);

            ///
            /// Draw an appropriate test bench picture
            ///
            Config.Entities.Side side = (TBF.BenchControl.Sequences.ProcessData.BenchInfo is DataContainers.BenchInfo.iPerl.Component)
                                      ? (TBF.BenchControl.Sequences.ProcessData.BenchInfo as DataContainers.BenchInfo.iPerl.Component).Side
                                      : Config.Entities.Side.Left;
            if (reversedDirection && (side == Config.Entities.Side.Left))
            {
                /// direction L->R (reversed), left side
                pictureBox.Image = Image.FromFile(string.Format("{0}\\Pictures\\reversed_dir_left.jpg", Program.ExecutableDir, true));
            }
            else if (reversedDirection && (side == Config.Entities.Side.Right))
            {
                /// direction L->R (reversed), right side
                pictureBox.Image = Image.FromFile(string.Format("{0}\\Pictures\\reversed_dir_right.jpg", Program.ExecutableDir, true));
            }
            else if (side == Config.Entities.Side.Right)
            {
                /// direction R->L (forward), right side
                pictureBox.Image = Image.FromFile(string.Format("{0}\\Pictures\\forward_dir_right.jpg", Program.ExecutableDir, true));
            }
            else
            {
                /// direction R->L (forward), left side
                pictureBox.Image = Image.FromFile(string.Format("{0}\\Pictures\\forward_dir_left.jpg", Program.ExecutableDir, true));
            }
		}

		/// <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)
        {
            if (orderComboBox.Text.Length > 8)
            {
                MessageBox.Show(string.Format(Strings.Purchase_order_may_have_max_N_characters, 8),
                                Strings.Error,
                                MessageBoxButtons.OK,
                                MessageBoxIcon.Exclamation);
            }
            else
            {
                PurchaseOrder = orderComboBox.Text;
                Program.LocalSettings.UpdateHistory(orderComboBox.Text, ref Program.LocalSettings.PurchaseOrderHistory);

                completed = true;
                Close();
            }
        }


		#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
   }
}