// Copyright (c) 2017 Informatibüro Daniel Schick

using System.Collections.Generic;
using System.Globalization;
using System.Windows;
using System.Windows.Markup;

using bsmd.database;
using System.Windows.Controls;
using System.Windows.Input;
using System;
using System.Net;
using ENI2.LockingServiceReference;
using ENI2.Util;
using System.Threading;

namespace ENI2
{
    /// <summary>
    /// Interaction logic for App.xaml
    /// </summary>
    public partial class App : Application
    {
        // "global" statics, da gibt es sicher noch einen eleganteren Weg..
        private static ServiceClient _lockingServiceClient = null;
        private static Guid? _userId = null;

        // Splash screen
        private static SplashScreenWindow _splashScreenWindow;
        private ManualResetEvent ResetSplashCreated;
        private Thread _splashThread;

        public App() : base()
        {
            this.Dispatcher.UnhandledException += Dispatcher_UnhandledException;

            FrameworkElement.LanguageProperty.OverrideMetadata(typeof(FrameworkElement),
                new FrameworkPropertyMetadata(XmlLanguage.GetLanguage(CultureInfo.CurrentCulture.IetfLanguageTag)));            
        }

        public static ServiceClient LockingServiceClient { get { return _lockingServiceClient; } }

        public static void RestartLockingService()
        {            
            _lockingServiceClient = new ServiceClient("BasicHttpBinding_IService", ENI2.Properties.Settings.Default.LockingServerAddress);
        }

        public static SplashScreenWindow SplashScreen { get { return _splashScreenWindow; } }

        public static Guid? UserId { get { return _userId; } set { _userId = value; } }

        protected override void OnStartup(StartupEventArgs e)
        {
            this.ResetSplashCreated = new ManualResetEvent(false);
            this._splashThread = new Thread(ShowSplash);
            _splashThread.SetApartmentState(ApartmentState.STA);
            _splashThread.IsBackground = true;
            _splashThread.Name = "Splash Screen";
            _splashThread.Start();

            ResetSplashCreated.WaitOne();

            base.OnStartup(e);

            // set connectnion string to async loader
            DBManagerAsync.ConnectionString = ENI2.Properties.Settings.Default.ConnectionString;

            // initialize static / localized lookups from sqlite database

            string langKey = CultureInfo.CurrentCulture.TwoLetterISOLanguageName;

            Dictionary<int, string> cargoHandlingDict = LocalizedLookup.getLADGCargoHandlingStrings(langKey);
            foreach (int key in cargoHandlingDict.Keys)
               LADG.CargoHandlingDict.Add(key, cargoHandlingDict[key]);

            EventManager.RegisterClassHandler(typeof(DatePicker), DatePicker.PreviewKeyDownEvent, new KeyEventHandler(this.DatePicker_PreviewKeyDown));
            CREW.NationalityDict = LocalizedLookup.getNationalities();
            STAT.VesselTypeDict = LocalizedLookup.getVesselTypes();
            STAT.TransportModeDict = LocalizedLookup.getTransportModes();
            HAZ.PackageTypes = LocalizedLookup.getPackageTypes();
            LADG.LACodes = LocalizedLookup.getLACodes();
            LADG.CargoCodesNST = LocalizedLookup.getCargoCodesNST();
            LADG.CargoCodesNST3 = LocalizedLookup.getCargoCodesNST3();

            // Load import value mappings
            ValueMapping.LoadDicts();

            // Preload validation fields
            List<ValidationField> vFields = bsmd.database.ValidationRule.ValidationFields;
            RuleEngine.RegisterLocodeChecker(Util.GlobalStructures.IsValidLocode);
            RuleEngine.RegisterPortAreaChecker(LocalizedLookup.PortAreaExists);
            RuleEngine.RegisterNationalityChecker(LocalizedLookup.CheckNationality);

            // Register expandable Properties
            // WAS
            TypeDecorationManager.AddExpandableObjectConverter(typeof(WAS));
            TypeDecorationManager.AddExpandableObjectConverter(typeof(Waste));
            TypeDecorationManager.AddExpandableIListConverter<Waste>(typeof(IList<Waste>));
            // NOA_NOD
            TypeDecorationManager.AddExpandableObjectConverter(typeof(NOA_NOD));
            TypeDecorationManager.AddExpandableObjectConverter(typeof(CallPurpose));
            TypeDecorationManager.AddExpandableIListConverter<CallPurpose>(typeof(IList<CallPurpose>));
            // SEC
            TypeDecorationManager.AddExpandableObjectConverter(typeof(SEC));
            TypeDecorationManager.AddExpandableObjectConverter(typeof(LastTenPortFacilitiesCalled));
            TypeDecorationManager.AddExpandableIListConverter<LastTenPortFacilitiesCalled>(typeof(IList<LastTenPortFacilitiesCalled>));
            TypeDecorationManager.AddExpandableObjectConverter(typeof(ShipToShipActivitiesDuringLastTenPortFacilitiesCalled));
            TypeDecorationManager.AddExpandableIListConverter<ShipToShipActivitiesDuringLastTenPortFacilitiesCalled>(typeof(IList<ShipToShipActivitiesDuringLastTenPortFacilitiesCalled>));
            // MDH
            TypeDecorationManager.AddExpandableObjectConverter(typeof(MDH));
            TypeDecorationManager.AddExpandableObjectConverter(typeof(SanitaryMeasuresDetail));
            TypeDecorationManager.AddExpandableIListConverter<SanitaryMeasuresDetail>(typeof(IList<SanitaryMeasuresDetail>));
            TypeDecorationManager.AddExpandableObjectConverter(typeof(StowawaysJoiningLocation));
            TypeDecorationManager.AddExpandableIListConverter<StowawaysJoiningLocation>(typeof(IList<StowawaysJoiningLocation>));
            TypeDecorationManager.AddExpandableObjectConverter(typeof(PortOfCallLast30Days));
            TypeDecorationManager.AddExpandableIListConverter<PortOfCallLast30Days>(typeof(IList<PortOfCallLast30Days>));
            TypeDecorationManager.AddExpandableObjectConverter(typeof(PortOfCallLast30DaysCrewJoinedShip));
            TypeDecorationManager.AddExpandableIListConverter<PortOfCallLast30Days>(typeof(IList<PortOfCallLast30DaysCrewJoinedShip>));
            TypeDecorationManager.AddExpandableObjectConverter(typeof(InfectedArea));
            TypeDecorationManager.AddExpandableIListConverter<InfectedArea>(typeof(IList<InfectedArea>));
            // BPOL
            TypeDecorationManager.AddExpandableObjectConverter(typeof(BPOL));
            TypeDecorationManager.AddExpandableObjectConverter(typeof(PortOfItinerary));
            TypeDecorationManager.AddExpandableIListConverter<PortOfItinerary>(typeof(IList<PortOfItinerary>));
            // HAZ
            TypeDecorationManager.AddExpandableObjectConverter(typeof(HAZ));
            TypeDecorationManager.AddExpandableObjectConverter(typeof(IMDGPosition));
            TypeDecorationManager.AddExpandableIListConverter<IMDGPosition>(typeof(IList<IMDGPosition>));
            TypeDecorationManager.AddExpandableObjectConverter(typeof(IBCPosition));
            TypeDecorationManager.AddExpandableIListConverter<IBCPosition>(typeof(IList<IBCPosition>));
            TypeDecorationManager.AddExpandableObjectConverter(typeof(IGCPosition));
            TypeDecorationManager.AddExpandableIListConverter<IGCPosition>(typeof(IList<IGCPosition>));
            TypeDecorationManager.AddExpandableObjectConverter(typeof(IMSBCPosition));
            TypeDecorationManager.AddExpandableIListConverter<IMSBCPosition>(typeof(IList<IMSBCPosition>));
            TypeDecorationManager.AddExpandableObjectConverter(typeof(MARPOL_Annex_I_Position));
            TypeDecorationManager.AddExpandableIListConverter<MARPOL_Annex_I_Position>(typeof(IList<MARPOL_Annex_I_Position>));

            // Connect to locking service (if enabled)
            try
            {
                if (ENI2.Properties.Settings.Default.UseLocking)
                {
                    App._lockingServiceClient = new ServiceClient("BasicHttpBinding_IService", ENI2.Properties.Settings.Default.LockingServerAddress);                    
                }
            }
            catch (Exception ex)
            {
                System.Diagnostics.Trace.WriteLine("Exception creating locking service client: {0}", ex.ToString());
            }

        }

        private void Dispatcher_UnhandledException(object sender, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e)
        {
            string errorMessage = string.Format("An unhandled exception occurred: {0}\r\n{1}", e.Exception.Message, e.Exception.StackTrace);
            MessageBox.Show(errorMessage, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
            // TODO: Dieser Fehler muss irgendwohin gesendet / gespeichert werden
            e.Handled = true;
        }

        private void DatePicker_PreviewKeyDown(object sender, KeyEventArgs e)
        {
            if (!(sender is DatePicker dp)) return;

            if (e.Key == Key.D && Keyboard.Modifiers == ModifierKeys.Control)
            {
                e.Handled = true;
                dp.SetValue(DatePicker.SelectedDateProperty, DateTime.Today);
                return;
            }

            if (!dp.SelectedDate.HasValue) return;

            var date = dp.SelectedDate.Value;
            if (e.Key == Key.Up)
            {
                e.Handled = true;
                dp.SetValue(DatePicker.SelectedDateProperty, date.AddDays(1));
            }
            else if (e.Key == Key.Down)
            {
                e.Handled = true;
                dp.SetValue(DatePicker.SelectedDateProperty, date.AddDays(-1));
            }
        }

        private void ShowSplash()
        {
            _splashScreenWindow = new SplashScreenWindow();
            _splashScreenWindow.Show();

            ResetSplashCreated.Set();
            System.Windows.Threading.Dispatcher.Run();
        }        
    }
}