///
/// Copyright (c) 2013-2017 Sensus Slovensko a.s.
///
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Globalization;
using System.Windows.Forms;
using log4net;
using NHibernate;
using Results.Forms;
using TBF.BenchControl;
using TBF.BenchControl.GenericDevices;
using TBF.Resources;
using TBF.UI.Shared;

namespace TBF.UI.Bench.Paths
{
    public class PathsBenchCtrl : BaseWithListViewEx<Config.Entities.BenchPath>, ITabWithListViewEx
	{
		static readonly ILog log = LogManager.GetLogger(typeof(PathsBenchCtrl));

		/// <summary>
		/// Fixed ListViewEx columns
		/// </summary>
		enum Column
		{
			Name,
			Qfrom,
			Qto,
			Tup,
			Tdown,
			Pup,
			Pdown,
			Pdelta,
			StopBFValve,
			FixedColumnsCount,
		}
		readonly int fixedColumnsCount = (int)Column.FixedColumnsCount;

		PathsDlg parent;
		Control parentControl;
		Control[] editors;

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

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

			/// Load the paths
			MyItems = parent.Session.QueryOver<Config.Entities.BenchPath>()
                                    .OrderBy(x => x.ItemNr).Asc
				                    .List();

            foreach (var path in MyItems) path.OriName = path.Name;

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

			/// ListViewEx columns
            TBF.LocalSettings ls = Program.LocalSettings;
            Columns.Add(Strings.Name, (ls.BenchColumnCount > 0) ? ls.BenchColumnWidths[0] : 60 * parent.Dpi / Constants.Dpi100pct);
            Columns.Add(Strings.Q_from_m3h, (ls.BenchColumnCount > 1) ? ls.BenchColumnWidths[1] : 50 * parent.Dpi / Constants.Dpi100pct);
            Columns.Add(Strings.Q_to_m3h, (ls.BenchColumnCount > 2) ? ls.BenchColumnWidths[2] : 50 * parent.Dpi / Constants.Dpi100pct);
            Columns.Add(Strings.T_in, (ls.BenchColumnCount > 3) ? ls.BenchColumnWidths[3] : 50 * parent.Dpi / Constants.Dpi100pct);
            Columns.Add(Strings.T_out, (ls.BenchColumnCount > 4) ? ls.BenchColumnWidths[4] : 50 * parent.Dpi / Constants.Dpi100pct);
            Columns.Add(Strings.P_in, (ls.BenchColumnCount > 5) ? ls.BenchColumnWidths[5] : 50 * parent.Dpi / Constants.Dpi100pct);
            Columns.Add(Strings.P_out, (ls.BenchColumnCount > 6) ? ls.BenchColumnWidths[6] : 50 * parent.Dpi / Constants.Dpi100pct);
            Columns.Add(Strings.P_delta, (ls.BenchColumnCount > 7) ? ls.BenchColumnWidths[7] : 50 * parent.Dpi / Constants.Dpi100pct);
            Columns.Add(Strings.StopBFValve_chdr, (ls.BenchColumnCount > 8) ? ls.BenchColumnWidths[8] : 70 * parent.Dpi / Constants.Dpi100pct);
			int clmn = (int)Column.FixedColumnsCount;
            foreach (var vlv in parent.Valves)
            {
                if (vlv.Category == ValveCategory.All || vlv.Category == ValveCategory.Bench)
                {
                    Columns.Add(vlv.Cfg.Name, (ls.BenchColumnCount > clmn) ? ls.BenchColumnWidths[clmn] : 50 * parent.Dpi / Constants.Dpi100pct);
                    clmn++;
                }
            }

			/// Temperatures, pressures
			ComboBox tUpCBox = new ComboBox();
			ComboBox tDownCBox = new ComboBox();
			ComboBox prUpCBox = new ComboBox();
			ComboBox prDownCBox = new ComboBox();
			ComboBox prDeltaCBox = new ComboBox();
			ComboBox stopBFValveComboBox = new ComboBox();
			stopBFValveComboBox.Items.Add("---");
			foreach (var cmpnt in parent.TbfComponents)
			{
				if (cmpnt is BenchControl.GenericDevices.ITempMeter)
				{
					tUpCBox.Items.Add(cmpnt.Cfg.Name);
					tDownCBox.Items.Add(cmpnt.Cfg.Name);
				}
				if (cmpnt is BenchControl.GenericDevices.IPressureMeter)
				{
					prUpCBox.Items.Add(cmpnt.Cfg.Name);
					prDownCBox.Items.Add(cmpnt.Cfg.Name);
					prDeltaCBox.Items.Add(cmpnt.Cfg.Name);
				}
				if (cmpnt is IValve && (cmpnt as IValve).CoupledTo == null)
				{
					stopBFValveComboBox.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.Tup] = tUpCBox;
			editors[(int)Column.Tdown] = tDownCBox;
			editors[(int)Column.Pup] = prUpCBox;
			editors[(int)Column.Pdown] = prDownCBox;
			editors[(int)Column.Pdelta] = prDownCBox;
			editors[(int)Column.StopBFValve] = stopBFValveComboBox;
			/// 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++)
            {
                editors[i].Visible = false;
                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 Config.Entities.IHasItemNr) &&
				((e.Item.Tag as Config.Entities.IHasItemNr).ItemNr < FixedRowsCount) &&
				(e.SubItem < fixedColumnsCount))
			{
				return;
			}
			StartEditing(editors[e.SubItem], e.Item, e.SubItem);
		}

        void listViewEx_SubItemRightClicked(object sender, SubItemEventArgs e)
        {
            if (!Unlocked || e.SubItem >= editors.Length) return;

            if (DialogResult.Yes == MessageBox.Show(Strings.Do_you_want_to_copy_this_value_to_all_cells_below_this_cell,
                                                    Strings.Confirmation, MessageBoxButtons.YesNo, MessageBoxIcon.Question))
            {
                int columnNr = e.SubItem;
                string value = null;
                Color backColor = Color.White;
                foreach (ListViewItem item in Items)
                {
                    if (value != null && item.SubItems.Count > columnNr)
                    {
                        item.SubItems[columnNr].Text = value;
                        item.SubItems[columnNr].BackColor = backColor;
                    }
                    else if (item == e.Item)
                    {
                        value = item.SubItems[columnNr].Text;
                        backColor = item.SubItems[columnNr].BackColor;
                    }
                }
            }
        }

        void listViewEx_SubItemEndEditing(object sender, SubItemEndEditingEventArgs e)
		{
            if (e.SubItem >= fixedColumnsCount)
            {
                e.Item.SubItems[e.SubItem].BackColor = e.DisplayText == Strings.open ? Color.LightGray : Color.White;
            }
		}

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

			ListViewItem lvi = new ListViewItem(entity.Name);
            lvi.UseItemStyleForSubItems = false;

            lvi.SubItems.Add(path.Qfrom.ToString());
			lvi.SubItems.Add(path.Qto.ToString());
			lvi.SubItems.Add(path.TempMtrUp != null ? path.TempMtrUp.Cfg.Name : "---");
			lvi.SubItems.Add(path.TempMtrDown != null ? path.TempMtrDown.Cfg.Name : "---");
			lvi.SubItems.Add(path.PressMtrUp != null ? path.PressMtrUp.Cfg.Name : "---");
			lvi.SubItems.Add(path.PressMtrDown != null ? path.PressMtrDown.Cfg.Name : "---");
			lvi.SubItems.Add(path.PressMtrDelta != null ? path.PressMtrDelta.Cfg.Name : "---");
			lvi.SubItems.Add((path.StopBFValve != null) ? path.StopBFValve.Cfg.Name : "---");

			foreach (var valve in parent.Valves)
			{
                if (valve.Category == ValveCategory.All || valve.Category == ValveCategory.Bench)
                {
                    if (path.ValvesOpen != null && path.ValvesOpen.Contains(valve))
                    {
                        lvi.SubItems.Add(Strings.open);
                        lvi.SubItems[lvi.SubItems.Count - 1].BackColor = Color.LightGray;
                    }
                    else if (path.ValvesClose != null && path.ValvesClose.Contains(valve))
                    {
                        lvi.SubItems.Add(Strings.close);
                        lvi.SubItems[lvi.SubItems.Count - 1].BackColor = Color.White;
                    }
                    else
                    {
                        lvi.SubItems.Add("---");
                        lvi.SubItems[lvi.SubItems.Count - 1].BackColor = Color.White;
                    }
                }
			}

			lvi.Tag = entity;

			Items.Add(lvi);
		}

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

			entity.TempMtrUp = lvi.SubItems[(int)Column.Tup].Text;
			entity.TempMtrDown = lvi.SubItems[(int)Column.Tdown].Text;
			entity.PressMtrUp = lvi.SubItems[(int)Column.Pup].Text;
			entity.PressMtrDown = lvi.SubItems[(int)Column.Pdown].Text;
			entity.PressMtrDelta = lvi.SubItems[(int)Column.Pdelta].Text;
			entity.StopBFValve = lvi.SubItems[(int)Column.StopBFValve].Text.Equals("---") ? null : lvi.SubItems[(int)Column.StopBFValve].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.Bench)
                {
                    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;
		}

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

			if (MyItems.Count < FixedRowsCount)
			{
				entity = new Config.Entities.BenchPath(Strings._none_, MyItems.Count);
			}
			else
			{
				/// Find an unused test name
				string newName;
				for (int nameId = 1; true; nameId++)
				{
					newName = Strings.New_bench_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.BenchPath(newName, MyItems.Count);
			}

			base.AddOne(entity);
		}

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

		public string GetWarningsBeforeSaving(ref Dictionary<string, string> renmInfo)
		{
			base.OkBtnClicked();		/// = UpdateAll()

			string warnings = string.Empty;

			foreach (var entity in ToBeRemovedItems)
			{
				if (!string.IsNullOrEmpty(entity.OriName))
				{
                    int occurances = 0;
                    foreach (var tst in parent.Tests) if (!string.IsNullOrEmpty(tst.BenchPath) && tst.BenchPath.Equals(entity.OriName)) occurances++;

                    if (occurances > 0)
                    {
                        warnings += string.Format(Strings._0_path_1_used_by_2_tests_will_be_removed_3, Strings.BenchTabPageTitle, entity.Name, occurances, Environment.NewLine);
                        renmInfo.Add(entity.OriName, string.Empty);
                    }
				}
			}

			foreach (var entity in MyItems)
			{
				if (!string.IsNullOrEmpty(entity.OriName) && entity.OriName != entity.Name)
				{
                    int occurances = 0;
                    foreach (var tst in parent.Tests) if (!string.IsNullOrEmpty(tst.BenchPath) && tst.BenchPath.Equals(entity.OriName)) occurances++;

                    if (occurances > 0)
                    {
						warnings += string.Format(Strings._0_path_1_used_by_2_tests_will_be_renamed_to_3_4, Strings.BenchTabPageTitle, entity.OriName, occurances, entity.Name, Environment.NewLine);
                        renmInfo.Add(entity.OriName, entity.Name);
                    }
				}
			}
				
			return warnings;
		}

		public void UpdateRelatedItems(Dictionary<string, string> renameInfo)
        {
			foreach (var ri in renameInfo)
			{
				var tests = parent.Session.QueryOver<Config.Entities.Test>()
										  .Where(x => x.BenchPath == ri.Key)
										  .List();

				foreach (var t in tests)
				{
					t.BenchPath = ri.Value;
					parent.Session.Update(t);
				}
			}
        }

        /// <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)
            {
                parent.Session.Delete(entity);
            }
            foreach (var entity in MyItems)
            {
				parent.Session.SaveOrUpdate(entity);
            }

            SaveUISettings();
        }

        void SaveUISettings()
        {
            LocalSettings ls = Program.LocalSettings;

            /// Compare list view column widths with the saved ones
            bool anyColumnDiffers = false;
            if (Columns.Count != ls.BenchColumnCount)
            {
                anyColumnDiffers = true;
            }
            else
            {
                for (int i = 0; i < Columns.Count; i++)
                {
                    if (Columns[i].Width != ls.BenchColumnWidths[i]) { anyColumnDiffers = true; break; }
                }
            }

            if (anyColumnDiffers)
            {
                /// Update column widths
                ls.BenchColumnWidths = new int[Columns.Count];
                for (int i = 0; i < Columns.Count; i++)
                {
                    ls.BenchColumnWidths[i] = Columns[i].Width;
                }

                ls.Save();
            }
        }
    }
}