///
/// Copyright (c) 2013-2023 Sensus Slovensko a.s.
///
using System;
using System.Collections.Generic;
using System.Windows.Forms;
using NHibernate;
using log4net;
using Config.Entities;
using TBF.Rig;
using TBF.Resources;
using TBF.UI.Shared;

namespace TBF.UI.Bench.Metrology
{
	public partial class MetrologyDlg : Form, IParentOfListViewEx
	{
		static readonly ILog log = LogManager.GetLogger(typeof(MetrologyDlg));

        public ISession Session;
        public IList<Component> cmpntEntities;

		public MetrologyDlg()
		{
			InitializeComponent();

            /// Open a database session
            try { Session = TBF.DB.ConfigDBSessionFactory.OpenSession(); }
            catch (Exception e)
            {
                MessageBox.Show(Strings.Cannot_connect_to_the_database + Environment.NewLine + e.Message,
                                Strings.Error, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
            }

            /// SharedDlgButtons configuration
            sharedButtons.ParentForm = this;
            sharedButtons.RequiredGroupMembership = new Common.GID[] { Common.GID.Metrologists, Common.GID.MetrologicalAuthority };
			sharedButtons.OptionalButtons = SharedButtons.Buttons.Add | SharedButtons.Buttons.Remove;
            sharedButtons.Unlocked += unlockButton_Click;
            sharedButtons.OKClicked += okButton_Click;
            sharedButtons.CancelClicked += cancelButton_Click;
            sharedButtons.AddClicked += addButton_Click;
            sharedButtons.RemoveClicked += removeButton_Click;
        }

		private void MetrologyDlg_Load(object sender, EventArgs e)
		{
            LoadUISettings();

            Text = Strings.Metrology;

			int fixedCount = 0;
			int balancesCount = 0;
            int levelMetersCount = 0;
            int divertersCount = 0;
            int flowMetersCount = 0;
			int pressMetersCount = 0;
            int tempMetersCount = 0;
            int platinumTempMetersCount = 0;
            int evaporationsCount = 0;

            cmpntEntities = (Session == null) ? new List<Component>() : Session.QueryOver<Component>()
                                                                               .OrderBy(x => x.ItemNr).Asc
                                                                               .List();
			foreach (var cmpnt in cmpntEntities)
			{
				Rig.Generic.IComponentFactory factory = TbfComponents.CmpntFactoryFromClassName(cmpnt.ClassName);

                /// Tab-page density
                if (factory is Rig.DataContainers.Density.ComponentFactory)
                {
                    fixedCount++;
                    TabPage tabPage = new TabPage("  " + Strings.Density + "  ");
                    MetrologyDlgDensityTab uiControl = new MetrologyDlgDensityTab();
                    uiControl.MeterEntity = cmpnt;
                    uiControl.DensityCfg = factory.CmpntCfgFromCmpntEntity(cmpnt) as Rig.DataContainers.Density.ComponentCfg;
                    uiControl.Dock = DockStyle.Fill;
                    tabPage.Tag = uiControl;
                    tabPage.Controls.Add(uiControl);
                    metrologyTabControl.TabPages.Add(tabPage);
                }

                /// Tab-page buoyancy
                if (factory is Rig.DataContainers.Buoyancy.ComponentFactory)
                {
                    fixedCount++;
                    TabPage tabPage = new TabPage("  Buoyancy  ");
                    MetrologyDlgBuoyancyTab uiControl = new MetrologyDlgBuoyancyTab();
                    uiControl.MeterEntity = cmpnt;
                    uiControl.BuoyancyCfg = factory.CmpntCfgFromCmpntEntity(cmpnt) as Rig.DataContainers.Buoyancy.ComponentCfg;
                    uiControl.Dock = DockStyle.Fill;
                    tabPage.Tag = uiControl;
                    tabPage.Controls.Add(uiControl);
                    metrologyTabControl.TabPages.Add(tabPage);
                }

                /// Tab-pages for scales
				if (factory is Rig.MettlerToledo.Standard.BalanceFactory ||
                    factory is Rig.MettlerToledo.Standard.BalanceOldFactory ||
                    factory is Rig.MettlerToledo.Standard.BalanceNewFactory || 
                    factory is Rig.MettlerToledo.Multi.BalanceFactory)
				{
					balancesCount++;
                    TabPage tabPage = new TabPage("  " + cmpnt.Name + "  ");
					MetrologyDlgBalanceTab uiControl = new MetrologyDlgBalanceTab();
					uiControl.MeterEntity = cmpnt;
                    uiControl.BalanceCfg = factory.CmpntCfgFromCmpntEntity(cmpnt) as Rig.GenericDevices.IScaleCfg;
					uiControl.Dock = DockStyle.Fill;
					tabPage.Tag = uiControl;
					tabPage.Controls.Add(uiControl);
					metrologyTabControl.TabPages.Add(tabPage);
				}

                /// Tab-pages for flowmeters
				if (factory is Rig.Elde.FlowMeter.FlowMeterFactory)
				{
                    Rig.Elde.FlowMeter.FlowMeterCfg flowMeterCfg = factory.CmpntCfgFromCmpntEntity(cmpnt) as Rig.Elde.FlowMeter.FlowMeterCfg;


                    for (int r = 0; r <= 5; r++)
                    {
                        if (flowMeterCfg.RangeEnabled(r))
                        {
                            bool isLastFlowMeterRange = true;
                            for (int nxt = r + 1; nxt <= 5; nxt++)
                            {
                                if (flowMeterCfg.RangeEnabled(nxt))
                                {
                                    isLastFlowMeterRange = false;
                                    break;
                                }
                            }

                            flowMetersCount++;
                            TabPage tabPage = new TabPage(string.Format(((r == 0) ? "  {0}  " : "  {0} r{1}  "), cmpnt.Name, r));
                            MetrologyDlgFlowMeterTab uiControl = new MetrologyDlgFlowMeterTab(r, isLastFlowMeterRange);
                            uiControl.MeterEntity = cmpnt;
                            uiControl.CalibInfoCfg = flowMeterCfg;
                            uiControl.Dock = DockStyle.Fill;
                            tabPage.Tag = uiControl;
                            tabPage.Controls.Add(uiControl);
                            metrologyTabControl.TabPages.Add(tabPage);
                        }
                    }
                }

                /// Tab-pages for pressure meters
				if (factory is Rig.Elde.PressureMeter.PressureMeterFactory ||
                    factory is Rig.Elde.PressureMeterInternal.PressureMeterFactory ||
                    factory is Rig.Modbus.PressureMeter.Meret.Factory)
				{
					pressMetersCount++;
                    TabPage tabPage = new TabPage("  " + cmpnt.Name + "  ");
                    MetrologyDlgPressMeterTab uiControl = new MetrologyDlgPressMeterTab();
					uiControl.MeterEntity = cmpnt;
                    uiControl.CalibInfoCfg = factory.CmpntCfgFromCmpntEntity(cmpnt) as Rig.GenericDevices.ICalibInfoCfg;
                    uiControl.Dock = DockStyle.Fill;
					tabPage.Tag = uiControl;
					tabPage.Controls.Add(uiControl);
					metrologyTabControl.TabPages.Add(tabPage);
				}

                /// Tab-pages for temperature meters
                if (factory is Rig.Elde.TempMeter.TempMeterFactory ||
                    factory is Rig.Elde.TempMeterInternal.TempMeterFactory)
                {
                    tempMetersCount++;
                    TabPage tabPage = new TabPage("  " + cmpnt.Name + "  ");
                    MetrologyDlgTempMeterTab uiControl = new MetrologyDlgTempMeterTab();
                    uiControl.MeterEntity = cmpnt;
                    uiControl.CalibInfoCfg = factory.CmpntCfgFromCmpntEntity(cmpnt) as Rig.GenericDevices.ICalibInfoCfg;
                    uiControl.Dock = DockStyle.Fill;
                    tabPage.Tag = uiControl;
                    tabPage.Controls.Add(uiControl);
                    metrologyTabControl.TabPages.Add(tabPage);
                }

                /// Tab-pages for platinum resistance temperature meters
                if (factory is Rig.Keithley.TempMeter.Factory)
                {
                    platinumTempMetersCount++;
                    TabPage tabPage = new TabPage("  " + cmpnt.Name + "  ");
                    MetrologyDlgPlatinumResistanceTMeterTab uiControl = new MetrologyDlgPlatinumResistanceTMeterTab();
                    uiControl.MeterEntity = cmpnt;
                    uiControl.TempMeterCfg = factory.CmpntCfgFromCmpntEntity(cmpnt) as Rig.Keithley.TempMeter.TempMeterCfg;
                    uiControl.Dock = DockStyle.Fill;
                    tabPage.Tag = uiControl;
                    tabPage.Controls.Add(uiControl);
                    metrologyTabControl.TabPages.Add(tabPage);
                }

                /// Tab-pages for diverters
                if (factory is Rig.Elde.Diverter.DiverterFactory)
                {
                    divertersCount++;
                    TabPage tabPage = new TabPage("  " + cmpnt.Name + "  ");
                    MetrologyDlgDiverterTab uiControl = new MetrologyDlgDiverterTab();
                    uiControl.MeterEntity = cmpnt;
                    uiControl.CalibInfoCfg = factory.CmpntCfgFromCmpntEntity(cmpnt) as Rig.GenericDevices.ICalibInfoCfg;
                    uiControl.Dock = DockStyle.Fill;
                    tabPage.Tag = uiControl;
                    tabPage.Controls.Add(uiControl);
                    metrologyTabControl.TabPages.Add(tabPage);
                }

                /// Tab-pages for level meters inside water tanks
                if (factory is Rig.Hart.Nivotrack.Factory)
                {
                    levelMetersCount++;
                    TabPage tabPage = new TabPage("  " + cmpnt.Name + "  ");
                    MetrologyDlgLevelMeterTab uiControl = new MetrologyDlgLevelMeterTab();
                    uiControl.MeterEntity = cmpnt;
                    uiControl.CalibInfoCfg = factory.CmpntCfgFromCmpntEntity(cmpnt) as Rig.GenericDevices.ICalibInfoCfg;
                    uiControl.Dock = DockStyle.Fill;
                    tabPage.Tag = uiControl;
                    tabPage.Controls.Add(uiControl);
                    metrologyTabControl.TabPages.Add(tabPage);
                }

                /// Tab-pages for water tank evaporation rates
                if (factory is Rig.DataContainers.Evaporation.Factory)
                {
                    evaporationsCount++;
                    TabPage tabPage = new TabPage("  " + cmpnt.Name + "  ");
                    MetrologyDlgEvaporationTab uiControl = new MetrologyDlgEvaporationTab();
                    uiControl.MeterEntity = cmpnt;
                    uiControl.CalibInfoCfg = factory.CmpntCfgFromCmpntEntity(cmpnt) as Rig.GenericDevices.ICalibInfoCfg;
                    uiControl.Dock = DockStyle.Fill;
                    tabPage.Tag = uiControl;
                    tabPage.Controls.Add(uiControl);
                    metrologyTabControl.TabPages.Add(tabPage);
                }
            }
        }

		private void unlockButton_Click(object sender, EventArgs e)
		{
			foreach (TabPage tabPage in metrologyTabControl.TabPages)
			{
				(tabPage.Tag as IMetrologyDlgTab).Unlock();
			}
		}

		private void okButton_Click(object sender, EventArgs e)
		{
            using (ITransaction transaction = Session.BeginTransaction())
            {
                try
                {
                    foreach (TabPage tabPage in metrologyTabControl.TabPages)
                    {
                        IMetrologyDlgTab tab = tabPage.Tag as IMetrologyDlgTab;
                        if (tab != null)
                        {
                            tab.OkBtnClicked();
                            tab.SaveEntityToDB(Session);
                            foreach (var entity in tab.ToBeRemoved) Session.Delete(entity);
                        }
                    }
                    transaction.Commit();
                    Session.Flush();
                }
                catch (Exception exc)
                {
                    transaction.Rollback();
                    log.ErrorFormat("Cannot save changes to DB: {0}", exc.Message);
                    MessageBox.Show(Strings.Cannot_save_changes, Strings.Error, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                }
            }

            SaveUISettings();
            DialogResult = DialogResult.OK;
            Close();
		}

		private void cancelButton_Click(object sender, EventArgs e)
		{
			foreach (TabPage tabPage in metrologyTabControl.TabPages)
			{
				(tabPage.Tag as IMetrologyDlgTab).CancelBtnClicked();
			}

            SaveUISettings();
            DialogResult = DialogResult.Cancel;
            Close();
		}

        private void SaveUISettings()
        {
            /// Obtain MetrologyDlg dimensions, etc.
            bool isMaximized = (WindowState == FormWindowState.Maximized);
            int left = (WindowState == FormWindowState.Normal) ? Location.X : RestoreBounds.Left;
            int top = (WindowState == FormWindowState.Normal) ? Location.Y : RestoreBounds.Top;
            int width = (WindowState == FormWindowState.Normal) ? Size.Width : RestoreBounds.Width;
            int height = (WindowState == FormWindowState.Normal) ? Size.Height : RestoreBounds.Height;

            LocalSettings ls = Program.LocalSettings;

            if (ls != null && (ls.MetrologyDlgMaximized != isMaximized ||
                               ls.MetrologyDlgLeft != left ||
                               ls.MetrologyDlgTop != top ||
                               ls.MetrologyDlgWidth != width ||
                               ls.MetrologyDlgHeight != height))
            {
                /// At least one MetrologyDlg dimension differs => Update local settings and save them
                ls.MetrologyDlgMaximized = isMaximized;
                ls.MetrologyDlgLeft = left;
                ls.MetrologyDlgTop = top;
                ls.MetrologyDlgWidth = width;
                ls.MetrologyDlgHeight = height;
                ls.Save();
            }
        }

        private void LoadUISettings()
        {
            TBF.LocalSettings ls = Program.LocalSettings;
            WindowState = (ls.MetrologyDlgMaximized ? FormWindowState.Maximized : FormWindowState.Normal);
            Width  = (ls.MetrologyDlgWidth > 0)  ? ls.MetrologyDlgWidth  : 900;
            Height = (ls.MetrologyDlgHeight > 0) ? ls.MetrologyDlgHeight : 500;
            Left   = (ls.MetrologyDlgLeft != 0)  ? ls.MetrologyDlgLeft   : 200;
            Top    = (ls.MetrologyDlgTop != 0)   ? ls.MetrologyDlgTop    : 100;
        }

		private void addButton_Click(object sender, EventArgs e)
		{
			(metrologyTabControl.SelectedTab.Tag as IMetrologyDlgTab).AddOne();
		}

		private void removeButton_Click(object sender, EventArgs e)
		{
			(metrologyTabControl.SelectedTab.Tag as IMetrologyDlgTab).RemoveSelected();
		}

		public void UpdateButtonStates(SharedButtons.SelectedItemPos selectedItemPos)
		{
			if (selectedItemPos == SharedButtons.SelectedItemPos.None)
			{
				sharedButtons.DisableButtons(SharedButtons.Buttons.Remove);
			}
			else
			{
				sharedButtons.EnableButtons(SharedButtons.Buttons.Remove);
			}
		}

		private void metrologyTabControl_SelectedIndexChanged(object sender, EventArgs e)
		{
			sharedButtons.DisableButtons(SharedButtons.Buttons.Remove);
		}

        private void MetrologyDlg_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (Users.CurrentUser.Restore(this)) Program.MainWnd.UpdateUser();
            if (Session != null && Session.IsOpen) Session.Close();
        }
	}
}