using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Threading;
using System.Windows.Media;
using System.Timers;
using System.Collections.Generic;
using Xenki.Framework;

namespace Xenki
{
    /// <summary>
    /// Interaction logic for Page1.xaml
    /// </summary>
    public partial class Mainform : Page
    {
        DefaultNetwork.NetworkControl network;
        Timer messagetimer = new Timer(1000);

        DefaultAgent.MessageChatManage messageManager;

        public Mainform()
        {
            InitializeComponent();

            recentTime = DateTime.Now;
            CompositionTarget.Rendering += new EventHandler(CompositionTarget_Rendering);

            App.Current.Exit += Current_Exit;

            Startup();

        }

        void Current_Exit(object sender, ExitEventArgs e)
        {
            network.Stop();
        }

        private void Startup()
        {
            try
            {


                debug("Creating renderer");
                DefaultRenderer.DefaultRenderer xx = new DefaultRenderer.DefaultRenderer(m_viewport);
               
                debug("Creating mesher");
                xx.Mesher = new OpenMetaverse.Rendering.Meshmerizer();
     
                debug("Creating network");
                network = new DefaultNetwork.NetworkControl(xx);
                network.OnConnected += new Xenki.DefaultNetwork.NetworkControl.Connected2Server(network_OnConnected);
                network.OnLog += network_OnLog;
                network.OnMessageChat += network_OnMessageChat;

                messagetimer.Enabled = true; 
                messagetimer.Elapsed += new ElapsedEventHandler(messagetimer_Elapsed);
                
            }
            catch (Exception e)
            {
                debug("Graphics Error: " + e);
            }
        }

        void network_OnConnected(OpenMetaverse.Simulator simulator)
        {
            messageDialog.Dispatcher.Invoke(
                   DispatcherPriority.Normal,
                   new System.Windows.Forms.MethodInvoker
                       (delegate
                       {
                           mainMenuGrid.Visibility = Visibility.Visible;
                       }));

        }
       
        void network_OnMessageChat(string msg)
        {
            messagetimer.Start();

            messageDialog.Dispatcher.Invoke(
                 DispatcherPriority.Normal,
                 new System.Windows.Forms.MethodInvoker
                     (delegate
                     {
                         messageDialog.Visibility = Visibility.Visible;

                         if (messageDialog.Items.Count > 10)
                             messageDialog.Items.RemoveAt(0);
                         ListBoxItem item = new ListBoxItem();
                         item.Tag = DateTime.Now;
                         item.Content = msg;
                         messageDialog.Items.Add(item);
                         //messageDialog.ScrollIntoView(msg);
                     }
                     )
                 );

        }

        void messagetimer_Elapsed(object sender, ElapsedEventArgs e)
        {

            messageDialog.Dispatcher.Invoke(
                 DispatcherPriority.Normal,
                 new System.Windows.Forms.MethodInvoker
                     (delegate
                     {
                         if (messageDialog.Items.Count <= 0)
                         {
                             messageDialog.Visibility = Visibility.Hidden;
                             messagetimer.Stop();
                             return;
                         }
                         List<ListBoxItem> delete = new List<ListBoxItem>();
                         foreach (ListBoxItem item in messageDialog.Items)
                         {
                             DateTime came =(DateTime) item.Tag;
                             TimeSpan span = e.SignalTime.Subtract(came);
                             if (span.Seconds > References.EnvironmentSettings.MessageDisapearTimespan)
                             {
                                 delete.Add(item);
                             }
                         }
                         delete.ForEach(delegate(ListBoxItem im)
                         {
                             messageDialog.Items.Remove(im);
                         });

                     }));


        }

        void network_OnLog(string msg)
        {
            debug(msg);
        }
 
        private void debug(string log)
        {
            logBox.Dispatcher.Invoke(
                DispatcherPriority.Normal,
                new System.Windows.Forms.MethodInvoker
                    (delegate
                         {
                             //ListBoxItem lbi = new ListBoxItem();
                             //lbi.Content = log;

                             if (logBox.Items.Count > 20)
                                 logBox.Items.RemoveAt(0);
                              
                             logBox.Items.Add(log);

                             //logBox.ScrollIntoView(lbi);
                         }
                    )
                );
            /*
            frameRate.Dispatcher.Invoke(
                DispatcherPriority.Normal,
                new System.Windows.Forms.MethodInvoker
                    (delegate
                    {
                        
                    }
                    )
                );
            */
        }

        private void loginButton_Click(object sender, RoutedEventArgs e)
        {
            string user = loginUser.Text;
            string last = loginLast.Text;
            string pass = loginPass.Password;

            try
            {
                debug("Starting network");
                network.Start(user, last, pass);
            }
            catch (Exception ex)
            {
                debug("Network Error: " + ex);
            }

            loginGrid.Visibility = System.Windows.Visibility.Collapsed;
        }

        private static int frameCounter = 0;
        private static DateTime recentTime;

        void CompositionTarget_Rendering(object sender, EventArgs e)
        {
            frameCounter++;
            if ((DateTime.Now - recentTime) > TimeSpan.FromSeconds(1))
            {
                frameRate.Dispatcher.Invoke(
               DispatcherPriority.Normal,
               new System.Windows.Forms.MethodInvoker
                   (delegate
                   {
                       frameRate.Content = "FPS: " + frameCounter;
                       frameCounter = 0;
                       recentTime = DateTime.Now;
                   }
                   )
               );
               
            }

        }

        private void btnmessage_Click(object sender, RoutedEventArgs e)
        {
            if (txtMessage.Text.Trim().Length > 0)
            {
                network.SendChatMessage(txtMessage.Text, 0, OpenMetaverse.ChatType.Normal);
                txtMessage.Text = "";
            }
        }

        private void txtMessage_KeyDown(object sender, System.Windows.Input.KeyEventArgs e)
        {
            if (e.Key == System.Windows.Input.Key.Enter)
            {
                if (txtMessage.Text.Trim().Length > 0)
                {
                    network.SendChatMessage(txtMessage.Text, 0, OpenMetaverse.ChatType.Normal);
                    txtMessage.Text = "";
                    e.Handled = true;
                }
            }
        }


    }
}