using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Text;
using System.Net.Sockets;
using System.Threading;

namespace BeanIM
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.RichTextBox chatTextBox;
		private System.Windows.Forms.TextBox sendTextBox;
		private System.Windows.Forms.Button sendButton;
		private System.Windows.Forms.MainMenu mainMenu1;
		private System.Windows.Forms.MenuItem fileMenuItem;
		private System.Windows.Forms.MenuItem aboutMenuItem;
		private System.Windows.Forms.MenuItem connectMenuItem;
		
		/* my stuff */
		public static TcpClient acceptedClient;
		public static TcpClient localClient;
		public static NetworkStream acceptedStream;
		public static NetworkStream localStream;
		public static Thread listenerThread;
		public static Thread readerThread;
		public static bool bConnected,bAcceptedClient;
		public static string buddy;
		private System.Windows.Forms.MenuItem aboutBeanIM;
		private System.Windows.Forms.MenuItem disconnectMenuItem;
		private System.Windows.Forms.MenuItem toolsMenuItem;
		private System.Windows.Forms.MenuItem optionsMenuItem;

		
		
		
		
		
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();
			Listen( );
			chatTextBox.AppendText("listening...");
			bAcceptedClient = bConnected = false;
			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if ( bConnected )
			{
				localClient.Close( );
				readerThread.Abort( );
			}
			if ( bAcceptedClient )
				acceptedClient.Close( );
			
			listenerThread.Abort( );
			
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.chatTextBox = new System.Windows.Forms.RichTextBox();
			this.sendTextBox = new System.Windows.Forms.TextBox();
			this.sendButton = new System.Windows.Forms.Button();
			this.mainMenu1 = new System.Windows.Forms.MainMenu();
			this.fileMenuItem = new System.Windows.Forms.MenuItem();
			this.connectMenuItem = new System.Windows.Forms.MenuItem();
			this.disconnectMenuItem = new System.Windows.Forms.MenuItem();
			this.toolsMenuItem = new System.Windows.Forms.MenuItem();
			this.optionsMenuItem = new System.Windows.Forms.MenuItem();
			this.aboutMenuItem = new System.Windows.Forms.MenuItem();
			this.aboutBeanIM = new System.Windows.Forms.MenuItem();
			this.SuspendLayout();
			// 
			// chatTextBox
			// 
			this.chatTextBox.BackColor = System.Drawing.Color.Black;
			this.chatTextBox.ForeColor = System.Drawing.Color.Lime;
			this.chatTextBox.Location = new System.Drawing.Point(8, 8);
			this.chatTextBox.Name = "chatTextBox";
			this.chatTextBox.Size = new System.Drawing.Size(272, 248);
			this.chatTextBox.TabIndex = 0;
			this.chatTextBox.Text = "";
			this.chatTextBox.TextChanged += new System.EventHandler(this.chatTextBox_TextChanged);
			// 
			// sendTextBox
			// 
			this.sendTextBox.BackColor = System.Drawing.Color.Black;
			this.sendTextBox.ForeColor = System.Drawing.Color.Lime;
			this.sendTextBox.Location = new System.Drawing.Point(8, 272);
			this.sendTextBox.Name = "sendTextBox";
			this.sendTextBox.Size = new System.Drawing.Size(272, 20);
			this.sendTextBox.TabIndex = 1;
			this.sendTextBox.Text = "(type here)";
			this.sendTextBox.TextChanged += new System.EventHandler(this.sendTextBox_TextChanged);
			// 
			// sendButton
			// 
			this.sendButton.Location = new System.Drawing.Point(216, 304);
			this.sendButton.Name = "sendButton";
			this.sendButton.Size = new System.Drawing.Size(64, 24);
			this.sendButton.TabIndex = 2;
			this.sendButton.Text = "Send";
			this.sendButton.Click += new System.EventHandler(this.sendButton_Click);
			// 
			// mainMenu1
			// 
			this.mainMenu1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																					  this.fileMenuItem,
																					  this.toolsMenuItem,
																					  this.aboutMenuItem});
			// 
			// fileMenuItem
			// 
			this.fileMenuItem.Index = 0;
			this.fileMenuItem.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																						 this.connectMenuItem,
																						 this.disconnectMenuItem});
			this.fileMenuItem.Text = "File";
			// 
			// connectMenuItem
			// 
			this.connectMenuItem.Index = 0;
			this.connectMenuItem.Text = "Connect";
			this.connectMenuItem.Click += new System.EventHandler(this.connectMenuItem_Click);
			// 
			// disconnectMenuItem
			// 
			this.disconnectMenuItem.Index = 1;
			this.disconnectMenuItem.Text = "Disconnect";
			this.disconnectMenuItem.Click += new System.EventHandler(this.disconnectMenuItem_Click);
			// 
			// toolsMenuItem
			// 
			this.toolsMenuItem.Index = 1;
			this.toolsMenuItem.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																						  this.optionsMenuItem});
			this.toolsMenuItem.Text = "Tools";
			// 
			// optionsMenuItem
			// 
			this.optionsMenuItem.Index = 0;
			this.optionsMenuItem.Text = "Options";
			this.optionsMenuItem.Click += new System.EventHandler(this.optionsMenuItem_Click);
			// 
			// aboutMenuItem
			// 
			this.aboutMenuItem.Index = 2;
			this.aboutMenuItem.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
																						  this.aboutBeanIM});
			this.aboutMenuItem.Text = "About";
			// 
			// aboutBeanIM
			// 
			this.aboutBeanIM.Index = 0;
			this.aboutBeanIM.Text = "About BeanIM";
			this.aboutBeanIM.Click += new System.EventHandler(this.aboutBeanIM_Click);
			// 
			// Form1
			// 
			this.AcceptButton = this.sendButton;
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(292, 337);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.sendButton,
																		  this.sendTextBox,
																		  this.chatTextBox});
			this.Menu = this.mainMenu1;
			this.Name = "Form1";
			this.Text = "BeanIM";
			this.Load += new System.EventHandler(this.Form1_Load);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}
		
		private void ReadMsg( )
		{
			int numbytes = 0;

			while( !bAcceptedClient )
				;
			byte[] bytes = new byte[ acceptedClient.ReceiveBufferSize ];
			if ( bConnected )
			{
				while( true )
				{
					if ( acceptedStream.DataAvailable )
					{
						numbytes = acceptedStream.Read(bytes, 0, (int) acceptedClient.ReceiveBufferSize);
						string returndata = Encoding.ASCII.GetString(bytes,0,numbytes);
						chatTextBox.AppendText( "["+buddy+"] "+returndata+"\n");
					}
					Thread.Sleep( 100 );
				}
			}
		}
										
		private void SendMsg( string msg )
		{
			Byte[] sendBytes = Encoding.ASCII.GetBytes( msg );
			try
			{
				localStream.Write( sendBytes, 0, sendBytes.Length );
			}
			catch( Exception e )
			{
				chatTextBox.AppendText( e.ToString() );
				//Console.WriteLine( e.ToString() );
			}
		}

		private void Connect( string buddy )
		{
			try
			{
				localClient = new TcpClient( buddy, 32379 );
				localStream = localClient.GetStream( );
				bConnected = true;
				//string sendString = "client in Connect...";
				//Byte[] sendBytes = Encoding.ASCII.GetBytes(sendString);
				//localStream.Write(sendBytes, 0, sendBytes.Length);
				//localStream.Read( sendBytes,0,sendBytes.Length);
				
			}
			catch( SocketException se )
			{
				chatTextBox.AppendText( se.ToString());
				//Console.WriteLine( "couldn't connect.  client not listening..." );
				//Console.WriteLine( se.ToString() );
			}

		}
		/// <summary>
		/// StartListener
		/// starts a TcpListener on port 32379.
		/// </summary>
		private void StartListener( )
		{
			TcpListener listener = new TcpListener( 32379 );
			listener.Start( );
			try
			{
				acceptedClient = listener.AcceptTcpClient( );
				acceptedStream = acceptedClient.GetStream( );
				bAcceptedClient = true;
				//string responseString = "You have successfully connected to me";
				//Byte[] sendBytes = Encoding.ASCII.GetBytes(responseString);
				//acceptedStream.Write(sendBytes, 0, sendBytes.Length);
			}
			catch( SocketException se )
			{
				chatTextBox.AppendText( se.ToString( ) );
				//Console.WriteLine( se.ToString() );
			}
		}
		private void LookForIncomingMsg( )
		{
			ThreadStart reader = new ThreadStart( ReadMsg );
			readerThread = new Thread( reader );
			readerThread.Start( );
		}

		/// <summary>
		/// Listen
		/// Starts a thread that calls StartListener.
		/// </summary>
		private void Listen( )
		{
			ThreadStart start = new ThreadStart( StartListener );
			listenerThread = new Thread( start );
			listenerThread.Start( );
		}
		



		private void sendButton_Click(object sender, System.EventArgs e)
		{
			SendMsg( sendTextBox.Text );
			
			chatTextBox.AppendText( sendTextBox.Text+"\n" );
			sendTextBox.Clear( );
		}

		private void sendTextBox_TextChanged(object sender, System.EventArgs e)
		{
		
		}

		private void chatTextBox_TextChanged(object sender, System.EventArgs e)
		{
		
		}

		private void Form1_Load(object sender, System.EventArgs e)
		{
		
		}

		private void connectMenuItem_Click(object sender, System.EventArgs e)
		{
			ConnectForm cf = new ConnectForm( );
			cf.ShowDialog( this );
			buddy = cf.buddyName;
			Connect( buddy );
			LookForIncomingMsg( );
			cf.Dispose( );
		}

		private void aboutBeanIM_Click(object sender, System.EventArgs e)
		{
			AboutForm af = new AboutForm( );
			af.ShowDialog( this );
			af.Dispose( );
		}

		private void optionsMenuItem_Click(object sender, System.EventArgs e)
		{
			OptionsForm of = new OptionsForm( );
			if ( of.ShowDialog( this ) == DialogResult.OK )
				this.Opacity = of.opacityLevel;
			of.Dispose( );
		}

		private void disconnectMenuItem_Click(object sender, System.EventArgs e)
		{
			if ( bConnected )
			{
				localClient.Close( );
				readerThread.Abort( );
			}
			if ( bAcceptedClient )
				acceptedClient.Close( );
			
			listenerThread.Abort( );
		}
	}
}