package Client;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;

public class UserInterface extends JFrame implements ActionListener, KeyListener
{	
	
	private JTextField message;
	private JTextArea output;
	private ChatClient client;
	private JTextField host = new JTextField("localhost", 15);
	private JTextField port = new JTextField("6667", 4);
	private JButton connect;
	private JButton send;
	
	
	public void outputWriter (String line)
	{
		output.append(line + "\n");
	}
	
	/** Graphic interface recipient the client*/
	public UserInterface(ChatClient client)
	{
		
		this.client = client;
		
		this.setIconImage(getIconImage());
		this.setSize(800, 400);
		
		output = new JTextArea(10, 20);
		output.setBackground(Color.gray);
					
		JPanel msgPanel = new JPanel();
		JPanel conPanel = new JPanel();
		JPanel vertPanel = new JPanel();
		
	    JScrollPane scrollText = new JScrollPane(output);
		
		message = new JTextField(40);
		message.addKeyListener(this);
		JButton stop = new JButton("Stop");
		stop.setActionCommand("stop");
		stop.addActionListener(this);
		stop.setToolTipText("Click this button to exit.");
		
		this.send = new JButton("Send");
		send.setActionCommand("send");
		send.addActionListener(this);
		send.setToolTipText("Click this button to send message.");
			
		this.connect = new JButton("Connect");
		connect.setActionCommand("connect");
		connect.addActionListener(this);
		connect.setToolTipText("Click this button to connect the server.");
		this.send.setEnabled(false);
		
		vertPanel.setLayout(new BoxLayout(vertPanel, BoxLayout.PAGE_AXIS));	
		
		msgPanel.add(connect);
		msgPanel.add(send);
		msgPanel.add(new JLabel("Message:"));
		msgPanel.add(message);
		msgPanel.add(stop);
				
		conPanel.add(new JLabel("host:"));
		conPanel.add(host);
		conPanel.add(new JLabel("port:"));
		conPanel.add(port);
		
		vertPanel.add(scrollText);
		vertPanel.add(conPanel);
		vertPanel.add(msgPanel);
				
		add(vertPanel);
		
		setVisible(true);
	}

	int counterClick = 0;
	
	/** Syncing the the action that the button send to the perform
	 * @param name of the action  */	
	public void actionPerformed(ActionEvent e)
	{
		System.out.println(e.getActionCommand()); //FIXME: delete.
		String command = e.getActionCommand();
		
		if (command == "stop")
		{	
			client.shutdown();
			System.exit(0);
		}	
		
		if (command == "send" )
		{
			output.append(message.getText() + "\n");
			client.PRIVMSG(message.getText());
			message.setText("");
			
		}
		
		if (command == "connect" && counterClick == 0 )
		{
			if (client.connect(host.getText(),Integer.parseInt(port.getText())))
			{
				output.append("You've connect to the server succesufully" + "\n");
				counterClick++;
				this.send.setEnabled(true);
				this.connect.setEnabled(false);
			}
		}
		

	}

	@Override
	//FIXME: Do not send user send text with enter before connect.
	public void keyPressed(KeyEvent e)
	{
		
		if (e.getKeyChar() == KeyEvent.VK_ENTER)
		{
			output.append(message.getText() + "\n");
			client.PRIVMSG(message.getText());
			message.setText("");		
		}
		
		if (e.getKeyChar() == KeyEvent.VK_ESCAPE)
		{
			client.shutdown();
			System.exit(0);
		}
		
		if ((e.getModifiers() & KeyEvent.ALT_DOWN_MASK) == 0 && e.getKeyChar() == KeyEvent.VK_C && counterClick == 0)
		{
			output.append("You've connect to the server succesufully" + "\n");
			counterClick++;
			this.send.setEnabled(true);
			this.connect.setEnabled(false);
		}
	

	}

	public void keyReleased(KeyEvent arg0) {}

	public void keyTyped(KeyEvent arg0) {}
}