/*
 * ClientUI.java
 * Userinterface för chatklient.
 *
 * Karl-Adam Karlsson
 * 06-10-12
 *
 */
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
//import java.io.*;
 import java.net.*;


public class ClientUI extends JFrame
{
	// Variabler
	private JTextField messText;
	private JList clientList;
	private JScrollPane c;
	private JTextArea messArea;
	private JScrollPane jScrollPane2;
	private JButton challengeButt;
	private JPanel contentPane;
	private JScrollPane clientPane;
	public Client me;
	Thread handlerThread;
	DefaultListModel myModel;
	boolean playing;


	
	/*
	 *Konstruktor, anropar initialize components som initializar.
	 */
	public ClientUI(String name, String key, String connTo)
	{
		super();
		initializeComponent();
		this.setVisible(true);
		playing = false;
	
		
		//Skapar vår klient, dvs oss själva.
		me=null;
		
		try{
			me = new Client(name, key, InetAddress.getLocalHost() );
		}catch(UnknownHostException uHe){
			uHe.printStackTrace();
			System.exit(1);	
		}
		
		if(key!=null){
		//Vi vill använda en speciell nyckel för kryptering
			
		}else{
		//Standar för kryptering
				
		}
		
		ioHandler myHandler = new ioHandler(this,key);
		handlerThread = new Thread(myHandler);
		me.setHandler( myHandler );
        addUser(me);
        handlerThread.start();
        
		if(connTo!=null&&connTo!=""&&connTo!=" "){
			// Vi vill connecta till någon direkt.
			me.getHandler().connectTo(connTo);
			
		}else{
		// VI startar utan att connecta till ngn, vi skapar oss själva bara och lägger
		// till i listan på clients, vilket är gjort redan
			
		}
		
	}

	/**
	 * Anropas från konstruktorn, initialiserar alla komponenter.
	 */
	private void initializeComponent()
	{
		messText = new JTextField();
		myModel = new DefaultListModel();
		clientList = new JList(myModel);
		clientPane = new JScrollPane();
		messArea = new JTextArea();
		jScrollPane2 = new JScrollPane();
		challengeButt = new JButton();
		contentPane = (JPanel)this.getContentPane();
		
		
		// messText
		//
		messText.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e)
			{
				messText_actionPerformed(e);
			}

		});
		
		
		// clientList
		// Listan på anslutna klienter
		clientList.setCellRenderer(new MyRenderer()); 
		
		clientList.addListSelectionListener(new ListSelectionListener() {
			public void valueChanged(ListSelectionEvent e)
			{
				clientList_valueChanged(e);
			}

		});
		
		// När vi stänger fönstret skall vi skicka disconnect till alla 
		this.addWindowListener(new java.awt.event.WindowAdapter() {
    		
    		public void windowClosing(WindowEvent winEvt) {
        	
        	Message disMess = new Message(Message.MESSAGE_DISCONNECT);
        	disMess.setData(me.getName());
        	me.getHandler().sendMess(disMess);
        	
        	System.exit(0); 
    	}
		});

		// clientPane
		// Scrollpane för clien7List
		clientPane.setViewportView(clientList);
		
		// messArea
		// Här skriver vi ut meddelandena.
		messArea.setEditable(false);
		
		// jScrollPane2
		// Scroll för messArea
		jScrollPane2.setViewportView(messArea);
		
		// challengeButt
		// Knapp för att skicka utmaning (spelet), till markerad användare i listan.
		challengeButt.setText("Challenge");
		challengeButt.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e)
			{
				challengeButt_actionPerformed(e);
			}

		});
		
		// contentPane
		//
		contentPane.setLayout(null);
		contentPane.setBackground(new Color(104, 121, 175));
		contentPane.setForeground(new Color(115, 154, 208));
		addComponent(contentPane, clientPane, 525,10,155,391);
		addComponent(contentPane, messText, 8,435,490,22);
		addComponent(contentPane, jScrollPane2, 8,30,490,400);
		addComponent(contentPane, challengeButt, 525,404,155,30);
		
		// ClientUI
		//
		this.setTitle("P2P chat, Now with encryption!");
		this.setLocation(new Point(100, 100));
		this.setSize(new Dimension(692, 496));
		//this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
		this.setResizable(false);
	}

	/** Add Component Without a Layout Manager (Absolute Positioning) */
	private void addComponent(Container container,Component c,int x,int y,int width,int height)
	{
		c.setBounds(x,y,width,height);
		container.add(c);
	}
	
	/*
	 * Handler för messText
	 */
	private void messText_actionPerformed(ActionEvent e)
	{
		Message aMess = new Message(Message.MESSAGE_MESSAGE);
		aMess.setData( ("<" + me.getName() + "> " + messText.getText() ), null, null );
		me.getHandler().sendMess(aMess);
		printMessage("<"+ me.getName() + "> " + messText.getText());
		messText.setText("");
		
	}
	
	
	/*
	 * Används vid utmaning i Wormspelet.
	 * Skapar meddelandedialog.
	 *
	 */
	public void createGameDialogue(Message aMessage){
		//SKAPAR EN JOPTIONPANE
		if(playing==false){
		
					Object[] options = {"Yes",
                    "No"};
			int n = JOptionPane.showOptionDialog(this,
    			"You have Recevied a Worm challenge from "
   			 	+ aMessage.getText(),"Accept?",
    			JOptionPane.YES_NO_OPTION,
   			 JOptionPane.QUESTION_MESSAGE,
    		null,
    		options,
    		options[1]);
		
		if(n == JOptionPane.OK_OPTION ){
			//SVARA UTMANAREN OCH SPELA
			Message chRep = new Message(Message.MESSAGE_CH_REPLY);
			//System.out.println("YES, LETS PLAY!");
			chRep.setData(me.getName(), me.getAddress(),aMessage.getSenderIP());
			chRep.setData("OK");
			System.out.println("DATA TO SEND: " +chRep.getText());
			me.getHandler().sendMess(chRep);
			playing = true;
			//STARTA ETT SPEL
			new Draw(0, aMessage.getSenderIP().getHostAddress(), this );
			
		}
		else{	
			//SVARAR NEJ.
			Message chRep = new Message(Message.MESSAGE_CH_REPLY);
			chRep.setData(me.getName(), me.getAddress(),aMessage.getSenderIP());
			chRep.setData("NO");
			me.getHandler().sendMess(chRep);
		}
		
		}//END OF FIRST IF
		else{//VI SPELAR REDAN, svarar NEJ AUTOMAGISKT
			Message chRep = new Message(Message.MESSAGE_CH_REPLY);
			chRep.setData(me.getName(), me.getAddress(),aMessage.getSenderIP());
			chRep.setData("NO");
			me.getHandler().sendMess(chRep);
			
		}
	}

	
	/*
	 * EventHandler för listan.
	 *
	 */
	private void clientList_valueChanged(ListSelectionEvent e)
	{
		System.out.println("\nclientList_valueChanged(ListSelectionEvent e) called.");
		if(!e.getValueIsAdjusting())
		{
			Object o = clientList.getSelectedValue();
		}
	}

	/*
	 * Eventhandler för knappen som används för att utmana andra chattare
	 * på spelet.
	 *
	 */
	private void challengeButt_actionPerformed(ActionEvent e)
	{
		Client cl = (Client)clientList.getSelectedValue();
		if( cl !=null && !cl.equals(me) ){
		//	Client cl = (Client)clientList.getSelectedValue();
			Message aChallenge = new Message(Message.MESSAGE_CHALLENGE);
			//System.out.println("CHALLENGEING: "+cl.getAddress());
			aChallenge.setData(me.getName(), me.getAddress(), cl.getAddress() );
			me.getHandler().sendMess(aChallenge);
		}
	}


	/*
	 * Skriver ut toPrint i chatfönstret
	 * @param String toPrint, The String to print in the chatwindow. 
	 */
	public void printMessage(String toPrint){
		messArea.append(toPrint + "\n");
	}
	
	/*
	 * Adds a user to the list of users.
	 * @param Client aClient the Client to add.
	 */
	public void addUser(Client aClient){
		myModel.addElement(aClient);
	}
	
	/*
	 * Removes a user from the connected list
	 *
	 */
	public void remUser(String aName){
		
		for(int a = 0; a<myModel.size();a++){
			
			//Letar reda på och tar bort ur listmodel
			if( ((Client)myModel.getElementAt(a)).getName().equals(aName) ){
				myModel.removeElementAt(a);
				a=myModel.size()+1; 
			}
		}
	}


/*
 * Main
 *
 */
	public static void main(String[] args)
	{
		
		JFrame.setDefaultLookAndFeelDecorated(true);
		JDialog.setDefaultLookAndFeelDecorated(true);
		try
		{
			UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
		}
		catch (Exception ex)
		{

		}
		
		
		
		if(args.length==5&&args[0].equals("-s")&&args[1].equals("-c")&&args!=null){
			//Startades med: java -jar p2pChat.jar -s -c <name> <secretKey> <connect to>
			new ClientUI(args[2], args[3], args[4]);	
			
			
		}else if(args.length==3&&args[0]!=null&&args[1]!=null&args[2]!=null){
			
			if(args[0].equals("-c")){
				//Startades med: java -jar p2pChat.jar -c <name> <connect to>
				new ClientUI(args[1], null, args[2]);
			}
			else if(args[0].equals("-s")&&args[0]!=null&&args[1]!=null&args[2]!=null){
				//Startades med: java -jar p2pChat.jar -s <name> <secretKey>
				new ClientUI(args[1], args[2], null);
			}
			
			
		}else if(args.length==1&&args!=null){
			//Startades med: java -jar p2pChat.jar <name>
			new ClientUI(args[0], null, null);
		}else{
			
			
			
			}
		
	}



}//end of Class