///
/// Copyright (c) 2013-2015 Sensus Metering Systems
///
using System.Collections.Generic;
using System.Globalization;
using System.Windows.Forms;
using log4net;
using Config.Entities;
using TBF.BenchControl;
using TBF.BenchControl.GenericDevices;
using TBF.Resources;

namespace TBF.UiControls
{
	public class PathsFeedingCtrl : BaseWithListViewEx<Config.Entities.FeedingPath>, ITabWithListViewEx
	{
		static readonly ILog log = LogManager.GetLogger(typeof(PathsFeedingCtrl));

		/// <summary>
		/// Fixed ListViewEx columns
		/// </summary>
		enum Column
		{
			Name,
			Qfrom,
			Qto,
			Pump,
			FixedColumnsCount,
		}
		readonly int fixedColumnsCount = (int)Column.FixedColumnsCount;

		PathsDlg parent;
		Control parentControl;
		Control[] editors;

		public PathsFeedingCtrl()
			: base()
		{
			FixedRowsCount = 1;
		}

		public void Initialize(PathsDlg parent, Control parentControl)
		{
			this.parent = parent;
			this.parentControl = parentControl;

			/// Load the paths
			MyItems = parent.Session
				.CreateQuery("FROM FeedingPath ORDER BY ItemNr")
				.List<Config.Entities.FeedingPath>();

			SubItemClicked += new SubItemEventHandler(listViewEx_SubItemClicked);
			SubItemEndEditing += new SubItemEndEditingEventHandler(listViewEx_SubItemEndEditing);

			/// ListViewEx columns
            TBF.LocalSettings ls = Program.LocalSettings;
            Columns.Add(Strings.Name,       (ls.FeedingColumnCount > 0) ? ls.FeedingColumnWidths[0] : 60 * parent.Dpi / PathsDlg.Dpi100pct);
            Columns.Add(Strings.Q_from_m3h, (ls.FeedingColumnCount > 1) ? ls.FeedingColumnWidths[1] : 50 * parent.Dpi / PathsDlg.Dpi100pct);
            Columns.Add(Strings.Q_to_m3h,   (ls.FeedingColumnCount > 2) ? ls.FeedingColumnWidths[2] : 50 * parent.Dpi / PathsDlg.Dpi100pct);
            Columns.Add(Strings.Pump,       (ls.FeedingColumnCount > 3) ? ls.FeedingColumnWidths[3] : 60 * parent.Dpi / PathsDlg.Dpi100pct);
            int clmn = (int)Column.FixedColumnsCount;
            foreach (var vlv in parent.Valves)
            {
                if (vlv.Category == ValveCategory.All || vlv.Category == ValveCategory.Feeding)
                {
                    Columns.Add(vlv.Cfg.Name, (ls.FeedingColumnCount > clmn) ? ls.FeedingColumnWidths[clmn] : 50 * parent.Dpi / PathsDlg.Dpi100pct);
                    clmn++;
                }
            }

			/// Pump
			ComboBox pumpCBox = new ComboBox();
			pumpCBox.Items.Add("---");
			foreach (var cmpnt in parent.TbfComponents)
			{
				if (cmpnt is IPump) pumpCBox.Items.Add(cmpnt.Cfg.Name);
			}

			editors = new Control[fixedColumnsCount + 64];
			///				
			editors[(int)Column.Name] = new TextBox();		/// Name
			editors[(int)Column.Qfrom] = new TextBox();		/// Q_from
			editors[(int)Column.Qto] = new TextBox();		/// Q_to
			editors[(int)Column.Pump] = pumpCBox;
			/// Prepare valve combo-boxes (max. 64 valves)
			for (int i = 0; i < 64; i++)
			{
				ComboBox cb = new ComboBox();
				cb.Items.Add("---");
				cb.Items.Add(Strings.open);
				cb.Items.Add(Strings.close);
				editors[fixedColumnsCount + i] = cb;
			}
			///
			for (int i = 0; i < editors.Length; i++) parent.Controls.Add(editors[i]);

			base.RedrawAll();
		}

		void listViewEx_SubItemClicked(object sender, SubItemEventArgs e)
		{
			if (!Unlocked || e.SubItem >= editors.Length) return;
			if ((e.Item.Tag is IHasItemNr) &&
				((e.Item.Tag as IHasItemNr).ItemNr < FixedRowsCount) &&
				(e.SubItem < fixedColumnsCount))
			{
				return;
			}
			StartEditing(editors[e.SubItem], e.Item, e.SubItem);
		}

		void listViewEx_SubItemEndEditing(object sender, SubItemEndEditingEventArgs e)
		{
		}

		public override void DrawOne(object myItem)
		{
			Config.Entities.FeedingPath entity = (Config.Entities.FeedingPath)myItem;
			BenchControl.FeedingPath path = new BenchControl.FeedingPath(entity, parent.TbfComponents);

			ListViewItem lvi = new ListViewItem(entity.Name);
			lvi.SubItems.Add(path.Qfrom.ToString());
			lvi.SubItems.Add(path.Qto.ToString());
			lvi.SubItems.Add(path.Pump != null ? path.Pump.Cfg.Name : "---");

			foreach (var valve in parent.Valves)
			{
                if (valve.Category == ValveCategory.All || valve.Category == ValveCategory.Feeding)
                {
                    if (path.ValvesOpen != null && path.ValvesOpen.Contains(valve))
                    {
                        lvi.SubItems.Add(Strings.open);
                    }
                    else if (path.ValvesClose != null && path.ValvesClose.Contains(valve))
                    {
                        lvi.SubItems.Add(Strings.close);
                    }
                    else
                    {
                        lvi.SubItems.Add("---");
                    }
                }
			}

			lvi.Tag = entity;

			Items.Add(lvi);
		}

		public override void UpdateOne(ListViewItem lvi, object myItem)
		{
			Config.Entities.FeedingPath entity = (Config.Entities.FeedingPath)myItem;

			entity.Name = lvi.Text;

			float Qfrom;
			bool allOk = Utils.TryParseUFloat(lvi.SubItems[(int)Column.Qfrom].Text, out Qfrom);
			entity.Qfrom = Qfrom;

			float Qto;
			allOk &= Utils.TryParseUFloat(lvi.SubItems[(int)Column.Qto].Text, out Qto);
			entity.Qto = Qto;

			ComboBox pumpCB = editors[(int)Column.Pump] as ComboBox;
			if (pumpCB.Items.Contains(lvi.SubItems[(int)Column.Pump].Text))
			{
				entity.Pump = lvi.SubItems[(int)Column.Pump].Text.Equals("---") ? string.Empty : lvi.SubItems[(int)Column.Pump].Text;
			}

			string valvesOpen = string.Empty;
			string valvesClose = string.Empty;
            int k = 0;
			for (int j = 0; j < parent.Valves.Count; j++)
			{
                if (parent.Valves[j].Category == ValveCategory.All || parent.Valves[j].Category == ValveCategory.Feeding)
                {
                    string text = lvi.SubItems[fixedColumnsCount + k].Text;
                    if (text.Equals(Strings.open))
                    {
                        if (valvesOpen != string.Empty) valvesOpen += ";";
                        valvesOpen += parent.Valves[j].Cfg.Name;
                    }
                    if (text.Equals(Strings.close))
                    {
                        if (valvesClose != string.Empty) valvesClose += ";";
                        valvesClose += parent.Valves[j].Cfg.Name;
                    }
                    k++;
                }
			}
			entity.ValvesOpen = valvesOpen;
			entity.ValvesClose = valvesClose;
		}

		/// <summary>
		/// Update the entities and save them to the database
		/// </summary>
		public new void OkBtnClicked()
		{
			base.OkBtnClicked();

            /// Update the database
			foreach (var entity in ToBeRemovedItems)
			{
				Config.FluentCommon.DeleteFromDb(parent.Session, entity);
			}
			foreach (var entity in MyItems)
			{
				Config.FluentCommon.SaveToDb(parent.Session, entity);
			}

            /// Update the column widths
            Program.LocalSettings.FeedingColumnWidths = new int[Columns.Count];
            for (int i = 0; i < Columns.Count; i++)
            {
                Program.LocalSettings.FeedingColumnWidths[i] = Columns[i].Width;
            }
            Program.LocalSettings.Save();
		}

        public void AddOne()
		{
			Config.Entities.FeedingPath entity;

			if (MyItems.Count < FixedRowsCount)
			{
				entity = new Config.Entities.FeedingPath(Strings._none_, MyItems.Count);
			}
			else
			{
				/// Find an unused test name
				string newName;
				for (int nameId = 1; true; nameId++)
				{
					newName = Strings.New_feeding_path_name + nameId.ToString();
					bool notUsed = true;
					foreach (var t in MyItems) if (t.Name.Equals(newName)) notUsed = false;
					if (notUsed) break;
				}
				entity = new Config.Entities.FeedingPath(newName, MyItems.Count);
			}
			
			base.AddOne(entity);
		}

		public new void RemoveSelected()
		{
			bool lastOneRemoved = base.RemoveSelected();
			if (lastOneRemoved && parent != null)
			{
				parent.UpdateButtonStates(SharedButtons.SelectedItemPos.None);
			}
		}
	}
}