import java.awt.*;
import java.awt.event.*;
import javax.swing.*;



public class Veep extends JFrame
{
	//Constructor takes no arguments
	public Veep()
	{
		super("VeeP - Very Easy Email Program");
		//define all the gui elements and add them to the Veep object
		Container contentPane = getContentPane();
		//menu bar
		JMenuBar  bar = new JMenuBar();
		
		//File Menu
		JMenu fileMenu = new JMenu("File");
		JMenuItem send = new JMenuItem("Send");
		JMenuItem receive = new JMenuItem("Receive");
		JMenuItem exit = new JMenuItem("Exit");
		fileMenu.add(send);
		fileMenu.add(receive);
		fileMenu.add(exit);
		
		send.addActionListener(new ActionListener()
		{
			public void actionPerformed(ActionEvent e)
			{
				VeepSend sender = new VeepSend(); 				
			}
		   }
		   );
		
		receive.addActionListener(new ActionListener()
		   {
			public void actionPerformed(ActionEvent e)
			{
				VeepReceive receiver = new VeepReceive();
			}
		     }
		     );
		
		 exit.addActionListener(new ActionListener()
		     {
		     	public void actionPerformed(ActionEvent e)
		     	{
		     		System.exit(0);
		     	}
		     }
		     );
		
		
		
		 //Options Menu
		JMenu optionMenu = new JMenu("Options");
		JMenu appearanceMenu = new JMenu("Appearance");
		optionMenu.add(appearanceMenu);
		JMenuItem metal = new JMenuItem("Metal");
		JMenuItem motif = new JMenuItem("Motif");
		JMenuItem windows = new JMenuItem("Windows");
		LnFListener lnfListener = new LnFListener(this);
		metal.addActionListener(lnfListener);
		motif.addActionListener(lnfListener);
		windows.addActionListener(lnfListener);
		appearanceMenu.add(metal);
		appearanceMenu.add(motif);
		appearanceMenu.add(windows);		
		
		//Help Menu
		JMenu helpMenu = new JMenu("Help");
		JMenuItem about = new JMenuItem("About Veep");
		helpMenu.add(about);
		
		 about.addActionListener(new ActionListener()
		 {
			public void actionPerformed(ActionEvent e)
			{
				JOptionPane.showMessageDialog(null,"Veep - Very Easy Email Program\nVersion 0.3.0\nCopyright Tom Martin 2001\nReleased under the GPL on\n04/02/2001","VeeP",JOptionPane.INFORMATION_MESSAGE);
			}
		 }
		 );
		
		//add the menus to the Veep object
		bar.add(fileMenu);
		bar.add(optionMenu);
		bar.add(helpMenu);
		setJMenuBar (bar);
		
		//Define the toolbar
		JToolBar jtb = new JToolBar();
		SendAction sendButton = new SendAction(this);
		jtb.add(sendButton);
		ReceiveAction receiveButton = new ReceiveAction(this);
		jtb.add(receiveButton);
		contentPane.add(jtb, BorderLayout.NORTH);
		
		//Define the Desktop
		final JDesktopPane desktop = new JDesktopPane();
		contentPane.add(desktop,BorderLayout.CENTER);
		
		//set the opening size for the window and remember to draw it
		setSize (800,600);
		show();
	}
	
	//Main method - nothing much to see here
	public static void main(String args[])
	{
	 	Veep app = new Veep();
	 	
	 	app.addWindowListener(new WindowAdapter()
	 	{
	 		public void windowClosing (WindowEvent e)
	 		{
	 			System.exit(0);
	 		}
	 	}
	 	);
	}
	
	//Create the pop-up frame for sending an email
	class VeepSend extends JFrame
	{
		private String host, from, rcpt, portNo, message;
		private int port;
		private JTextField hostInput, fromInput, rcptInput, portInput;
		private JLabel hostLabel, portLabel, fromLabel, rcptLabel,messageLabel;
		private JButton sendButton;
		private JTextArea messageInput;
		
	
	
		public VeepSend()
		{
		
			Container c = getContentPane();
			c.setLayout (new FlowLayout());
		
			hostLabel = new JLabel ("Enter mail host : ");
			portLabel = new JLabel ("Enter port no : ");
			fromLabel = new JLabel ("Send From : ");
			rcptLabel = new JLabel("Send To : ");
			messageLabel = new JLabel("Message : ");
				
			hostInput = new JTextField(25);
			portInput = new JTextField("25",25);
			fromInput = new JTextField(25);
			rcptInput = new JTextField(25);

			messageInput = new JTextArea(10,25);
		
			sendButton = new JButton ("Send");
		
			c.add(hostLabel);
			c.add(hostInput);
			c.add(portLabel);
			c.add(portInput);
			c.add(fromLabel);
			c.add(fromInput);
			c.add(rcptLabel);
			c.add(rcptInput);
			c.add(messageLabel);
			c.add(messageInput);
			c.add(sendButton);
		
		
			VeepHandler handler = new VeepHandler();
			sendButton.addActionListener(handler);
		
			addWindowListener(new WindowAdapter()
			{
				public void windowClosing (WindowEvent e)
				{
					;
				}
			}
			);
		
			setSize (350, 500);
			show();
		}			
	
		private class VeepHandler implements ActionListener
		{
			public void actionPerformed (ActionEvent e)
			{
				if (e.getSource() == sendButton)
				{
					host = hostInput.getText();
			 		portNo = portInput.getText();
			             		 port = Integer.parseInt(portNo);
			             		 from = fromInput.getText();
			             		 rcpt = rcptInput.getText();
				     	 message = messageInput.getText();	
					SmtpClient sender = new SmtpClient(port,host);	
					sender.from(from);
					sender.rcpt(rcpt);
					sender.message(message);
					sender.quit();
					messageInput.setText("Message Sent.");
				}	
			}
		}
	}
	
	//create the pop-up for checking mail
	class VeepReceive extends JFrame
	{
		private String host, user, pass,portNo;
		private int port;
		private JTextField hostInput, userInput, portInput;
		private JTextArea response;
		private JPasswordField passInput;
		private JLabel hostLabel, portLabel, userLabel, passLabel;
		private JButton connectButton;
		
	
	
		public VeepReceive()
		{
			super ("VeeP - the Very Easy Email Program");
		
			Container c = getContentPane();
			c.setLayout (new FlowLayout());
		
			hostLabel = new JLabel ("Enter mail host : ");
			portLabel = new JLabel ("Enter port no : ");
			userLabel = new JLabel ("Enter username : ");
			passLabel = new JLabel("Enter password : ");
		
			hostInput = new JTextField(25);
			portInput = new JTextField("110",25);
			userInput = new JTextField(25);
			passInput = new JPasswordField(25);
		
			response = new JTextArea(10,25);
		
			connectButton = new JButton ("Connect");
		
			c.add(hostLabel);
			c.add(hostInput);
			c.add(portLabel);
			c.add(portInput);
			c.add(userLabel);
			c.add(userInput);
			c.add(passLabel);
			c.add(passInput);
			c.add(connectButton);
			c.add(response);
		
			TextFieldHandler handler = new TextFieldHandler();
			connectButton.addActionListener(handler);
		
			addWindowListener(new WindowAdapter()
			{
				public void windowClosing (WindowEvent e)
				{
					;
				}
			}
			);
		
			setSize (375, 500);
			show();
		}			
	
		private class TextFieldHandler implements ActionListener
		{
			public void actionPerformed (ActionEvent e)
			{
				if (e.getSource() == connectButton)
				{
					host = hostInput.getText();
			 		portNo = portInput.getText();
			             		 port = Integer.parseInt(portNo);
			              	user = userInput.getText();
			              	String s = new String (passInput.getPassword());
			              	pass = s;
					PopClient popper = new PopClient(port,host);	
					popper.connect(user,pass);
					String storeText = "Connected to "+host+"\nRetreiving message list...";
					response.setText(storeText);
					popper.listMessages();
					String no_of_messages = popper.getNoOfMessages();
					int k = Integer.parseInt(no_of_messages);
					if(k == 1)
						{
						storeText = storeText+"\nYou have "+no_of_messages+"message.";
						}
					else
						{
						storeText = storeText+"\nYou have "+no_of_messages+"messages.";						
						}
					for (int i=0;i<k;i++)
					{
						String sender = popper.getSenders(i);
						storeText = storeText+"\nMessage "+(i+1)+" is from : "+sender;
					}
					response.setText(storeText);
					popper.disconnect();
				}	
			}
		}
	}
	
	//ActionEvent handler for altering the LookAndFeel of the application
	public class LnFListener implements ActionListener
	{
		Frame frame;
		
		public LnFListener(Frame f)
		{
			frame = f;
		}
		
		public void actionPerformed(ActionEvent e)
		{
			UIManager.LookAndFeelInfo looks[] = UIManager.getInstalledLookAndFeels();
			int lnfName = 0;
			if (e.getActionCommand().equals("Metal"))
			{
				lnfName = 0;
			}
			else if (e.getActionCommand().equals("Motif"))
			{
				lnfName = 1;
			}
			else
			{
				lnfName =2;
			}
			
			try
			{
				UIManager.setLookAndFeel(looks[lnfName].getClassName());
				SwingUtilities.updateComponentTreeUI(frame);
			}
			catch (UnsupportedLookAndFeelException ex1)
			{
				JOptionPane.showMessageDialog(null,"Oops - that Look & Feel's not supported on your sytem.","Veep",JOptionPane.ERROR_MESSAGE);
			}
			catch ( ClassNotFoundException ex2)
			{
				JOptionPane.showMessageDialog(null,"Oops - couldn't find the Look & Feel you asked for.","Veep",JOptionPane.ERROR_MESSAGE);
			}
			catch (InstantiationException ex3)
			{
				  JOptionPane.showMessageDialog(null,"Oops - couldn't load the Look & Feel you asked for.","Veep",JOptionPane.ERROR_MESSAGE);
			}
			catch (IllegalAccessException ex4)
			{
				  JOptionPane.showMessageDialog(null,"Oops - couldn't use the Look & Feel you asked for.","Veep",JOptionPane.ERROR_MESSAGE);
			}
		}
	}
	
	//Create the send Button
	public class SendAction extends AbstractAction
	{
		Veep veep;
		
		public SendAction(Veep vp)
		{
			super("",new ImageIcon("sendmail.gif"));
			veep = vp;
		}
		
		public void actionPerformed(ActionEvent ae)
		{
			VeepSend sender = new VeepSend();
		}
	}
	
	//Create the receive Button
	public class ReceiveAction extends AbstractAction
	{
		Veep veep;
		
		public ReceiveAction(Veep vp)
		{
			super("",new ImageIcon("receivemail.gif"));
			veep = vp;
		}
		
		public void actionPerformed(ActionEvent ae)
		{
			VeepReceive receiver = new VeepReceive();
		}
	}
			
}