using H.Pipes;
using InABox.Core;
using InABox.WPF;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reactive.Subjects;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Interop;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using WampSharp.V2;
using WampSharp.V2.Realm;

namespace PRSRecordingNotes
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class ScreenRecorderWindow : Window
    {

        public PipeClient<string> _client { get; private set; }

        //IWampHost _host = null;
        //IWampHostedRealm _realm = null;
        //IWampSubject _subject = null;
        //IDisposable _subscription = null;

        private const int GWL_STYLE = -16;
        private const int WS_SYSMENU = 0x80000;


        [DllImport("user32.dll", SetLastError = true)]
        private static extern int GetWindowLong(IntPtr hWnd, int nIndex);

        [DllImport("user32.dll")]
        private static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);

        public ScreenRecorderWindow()
        {

            Syncfusion.Licensing.SyncfusionLicenseProvider.RegisterLicense(CoreUtils.SyncfusionLicense(SyncfusionVersion.v19_4));

            InitializeComponent();

            HotKeyManager.Initialize();
            HotKeyManager.RegisterHotKey(
                Key.F6, 
                () => {
                    ResumeRecording(false);
                    return true;
                }
            );

            Move.Source = Properties.Resources.target.AsBitmapImage();

            _client = new PipeClient<string>("PRSScreenRecorder",".");
            _client.MessageReceived += (o, args) =>
            {
                ServerMessage(args.Message);
            };
            _client.ConnectAsync();


            //_host = new WampSharp.V2.DefaultWampHost("ws://127.0.0.1:8001/prs");

            //_host.Open();
            

            //_realm = _host.RealmContainer.GetRealmByName("PRS");
            //_realm.SessionCreated += _realm_SessionCreated;
            //_realm.SessionClosed += _realm_SessionClosed;

            //_subject = _realm.Services.GetSubject("ScreenRecording");

            //_subscription = _subject.Subscribe(
            //    x =>
            //    {
            //        String command = x.Arguments[0].Deserialize<String>();
            //        if (String.Equals(command, "EDIT"))
            //            Dispatcher.Invoke(() => { EditNotes(); });
            //        else if (String.Equals(command, "QUIT"))
            //            Dispatcher.Invoke(() => { System.Windows.Application.Current.Shutdown(); });
            //    }
            //);
            Hide();

        }

        private void ServerMessage(string message)
        {
            if (String.Equals(message, "EDIT"))
                Dispatcher.Invoke(() => { EditNotes(); });
            else if (String.Equals(message, "QUIT"))
                Dispatcher.Invoke(() => { System.Windows.Application.Current.Shutdown(); });
        }

        private void _realm_SessionClosed(object sender, WampSessionCloseEventArgs e)
        {
            
        }

        private void _realm_SessionCreated(object sender, WampSessionCreatedEventArgs e)
        {
           
        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            var hwnd = new WindowInteropHelper(this).Handle;
            SetWindowLong(hwnd, GWL_STYLE, GetWindowLong(hwnd, GWL_STYLE) & ~WS_SYSMENU);
        }

        public void EditNotes()
        {
            Buttons.Visibility = Visibility.Visible;
            Show();
        }

        private void Close_Click(object sender, RoutedEventArgs e)
        {
            ResumeRecording(true);
        }

        private void Resume_Click(object sender, RoutedEventArgs e)
        {
            ResumeRecording(false);
        }

        private void ResumeRecording(bool hide)
        {
            if (hide)
                Hide();
            Buttons.Visibility = Visibility.Collapsed;
            _client.WriteAsync("RESUME");
            //_subject.OnNext(new WampEvent() { Arguments = new[] { "RESUME" } });
        }

        private void Grid_MouseDown(object sender, MouseButtonEventArgs e)
        {


        }

        //bool bMoving = false;
        //Point offset;
        private void Move_MouseDown(object sender, MouseButtonEventArgs e)
        {
            //offset = e.GetPosition(this);
            //bMoving = true;
            this.DragMove();
        }

        private void Move_MouseUp(object sender, MouseButtonEventArgs e)
        {
            //bMoving = false;
        }

        private void Move_MouseMove(object sender, MouseEventArgs e)
        {
            //if (!bMoving)
            //    return;
            //var current = e.GetPosition(this);
            //Left = current.X - offset.X;
            //Top = current.Y - offset.Y;
        }

        /// <summary>Brings main window to foreground.</summary>
        public void BringToForeground()
        {
            //if (this.WindowState == WindowState.Minimized || this.Visibility == Visibility.Hidden)
            //{
            //    this.Show();
            //    this.WindowState = WindowState.Normal;
            //}

            //// According to some sources these steps gurantee that an app will be brought to foreground.
            //this.Activate();
            //this.Topmost = true;
            //this.Topmost = false;
            //this.Focus();
        }
    }
}