/* @title MUDC mail manager
 * @author Christopher Poynton
 * @date 08/12/08
 */

import javax.swing.*;
import java.lang.*;
import java.util.*;
import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.event.*;
import javax.mail.*;
import javax.mail.internet.*;

public class MailMngr extends JPanel
{
	//Declarations
	private static final String SMTP_HOST_NAME = "xxxxxxxxxxxxxxxxxxxxxxxxx;
	private static final String SMTP_AUTH_USER = "xxxxxxxxx;
	private static final String SMTP_AUTH_PWD  = "xxxxxxxxx;
	private static final String subject  = "";
	private static final String fromAddress = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx;
	private static final String toAddress = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx;


	JFrame frame = new JFrame("MUDC Mail Manager");
	JPanel tainer1 = new JPanel();
	JPanel tainer2 = new JPanel();
	JPanel tainer3 = new JPanel();
	JLabel mailListLbl = new JLabel("Which mailing list?");
	JLabel subscribesLbl = new JLabel("Enter subscribes here:");
	JLabel unsubscribesLbl = new JLabel("Enter unsubscribes here:");
	JList mailList = new JList();
	JTextField subscribesTF = new JTextField();
	JTextField unsubscribesTF = new JTextField();
	JButton submit = new JButton("Submit");
	String subscribes = subscribesTF.getText();
	String unsubscribes = unsubscribesTF.getText();
	String listValue = "mudc-members";
	String message = "";

	//Constructor
	public MailMngr()
	{
	setSize(250,500);
	setVisible(true);
	}

	//Display
	public void showGUI()
	{
	frame.setLayout(new BorderLayout());
	frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	tainer1.setLayout(new BorderLayout());
	tainer2.setLayout(new BorderLayout());
	tainer3.setLayout(new BorderLayout());
	String[] options = {"mudc-com","mudc-members"};
	mailList.setListData(options);
	mailList.addListSelectionListener(new ListListener());
	submit.addActionListener(new SubmitListener());

	//Layout
	frame.add(tainer1, BorderLayout.WEST);
	frame.add(tainer2, BorderLayout.EAST);
	frame.add(tainer3, BorderLayout.SOUTH);
	tainer1.add(mailListLbl, BorderLayout.NORTH);
	tainer1.add(subscribesLbl, BorderLayout.CENTER);
	tainer1.add(unsubscribesLbl, BorderLayout.SOUTH);
	tainer2.add(mailList, BorderLayout.NORTH);
	tainer2.add(subscribesTF, BorderLayout.CENTER);
	tainer2.add(unsubscribesTF, BorderLayout.SOUTH);
	tainer3.add(submit, BorderLayout.CENTER);
	frame.pack();
	frame.setVisible(true);
	}

	private String messageReformat(String message)
	{
	int i = 0;
	this.message = message;
	subscribes.replaceAll(";","/n subscribe "+listValue+" ");
	unsubscribes.replaceAll(";","/n unsubscribe "+listValue+" ");
	message = subscribes+unsubscribes;

	if (i == message.length()-1)
	{
		message += "/n exit";
	}
	return message;
	}

	public static void main(String[] args)
	{
	MailMngr smtpmailer = new MailMngr();
	smtpmailer.showGUI();
	}

	public void sendMail(String t, String s, String m, String f) throws MessagingException
	{
	//Email
	Properties prop = new Properties();
	Authenticator auth = new SMTPAuthenticator();
	Session sesh = Session.getDefaultInstance(prop, auth);
	Message msg = new MimeMessage(sesh);
	InternetAddress addressFrom = new InternetAddress(f);
	InternetAddress addressTo = new InternetAddress(t);

	prop.put("mail.smtp.host",SMTP_HOST_NAME);
	prop.put("mail.smtp.auth", "true");
	sesh.setDebug(false);

	msg.setFrom(addressFrom);
	msg.setRecipient(Message.RecipientType.TO, addressTo);
	msg.setSubject(subject);
	msg.setContent(this.messageReformat(message), "text/plain");
	Transport.send(msg);
	}

class SubmitListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
	{
	//System.out.print("This is reading");
	MailMngr smtpmailer = new MailMngr();
	smtpmailer.sendMail(toAddress, subject, message, fromAddress);
	System.out.println("Mail successsfully sent");
	}
}

class ListListener implements ListSelectionListener
{
	public void valueChanged(ListSelectionEvent e)
	{
		if (e.getValueIsAdjusting()==false)
		{
			if (mailList.getSelectedIndex()==0)
			{
				listValue = "mudc-com";
			}
		}
	}
}

private class SMTPAuthenticator extends javax.mail.Authenticator
{
    public PasswordAuthentication getPasswordAuthentication()
	{
		String username = SMTP_AUTH_USER;
		String password = SMTP_AUTH_PWD;
	    return new PasswordAuthentication(username, password);
	}
}
}