import java.awt.Toolkit;
import java.awt.datatransfer.StringSelection;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Properties;

import javax.mail.Flags;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.Part;
import javax.mail.Session;
import javax.mail.Store;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeUtility;


public class gotMail{
	private MimeMessage mail = null;
	private StringBuffer bodytext = new StringBuffer();
	//store mail content
	private String dateformat = "yy-MM-ddĦĦHH:mm";//date&time
	
    //Toolkit  toolKit  =  Toolkit.getDefaultToolkit();
    //Clipboard  clipBoard  =  toolKit.getSystemClipboard();
	
    public static void setClipboard(String str) {
        StringSelection ss = new StringSelection(str);
        Toolkit.getDefaultToolkit().getSystemClipboard().setContents(ss, null);
    }

	
	/*public static void writeToClipboard(String writeMe) {
		// get the system clipboard
		Clipboard systemClipboard =
			Toolkit
				.getDefaultToolkit()
				.getSystemClipboard();
		// set the textual content on the clipboard to our 
		// Transferable object
		// we use the 
		Transferable transferableText = new StringSelection(writeMe);
		systemClipboard.setContents( transferableText, null);
	}*/


    
	
	/**init**/
	public gotMail(){}
	public gotMail(MimeMessage mail){
		this.mail = mail;
		System.out.println("New Email");
	}
	
	/*public void setMail(MimeMessage mail){
		this.mail = mail;
	}*/
	
	/**get sender's address and name**/
	public String getFrom()throws Exception{
		InternetAddress address[] = (InternetAddress[])mail.getFrom();
		String from = address[0].getAddress();
		if(from == null){ from = "";}
		String personal = address[0].getPersonal();
		if(personal == null) personal = "";
		String fromaddr = personal+"<"+from+">";
		return fromaddr;
	}
	
		/** get subject**/
		public String getSubject()throws MessagingException{
			String subject = "";
			try{
				subject = MimeUtility.decodeText(mail.getSubject());
				if(subject == null){subject = "";}
			}catch(Exception exce){}
			return subject;
		}
		
		/**get sentdate**/
		public String getSentDate()throws Exception{
			Date sentdate = mail.getSentDate();
			SimpleDateFormat format = new SimpleDateFormat(dateformat);
			return format.format(sentdate);
		}
		
		/**get content**/
		public String getBodyText(){
			return bodytext.toString();
		}
		
		/**understand content**/
		public void getMailContent(Part part)throws Exception{
			String contenttype = part.getContentType();
			int nameindex = contenttype.indexOf("name");
			boolean conname = false;
			if(nameindex !=-1) conname = true;
			System.out.println("CONTENTTYPE:"+contenttype);
			if(part.isMimeType("text/plain")&&!conname){
				bodytext.append((String)part.getContent());
			}else if(part.isMimeType("text/html")&&!conname){
				bodytext.append((String)part.getContent());
			}else if(part.isMimeType("multipart/*")){
				Multipart multipart = (Multipart)part.getContent();
				int counts = multipart.getCount();
				for(int i=0; i<counts; i++){
					getMailContent(multipart.getBodyPart(i));
				}
			}else if(part.isMimeType("message/rfc822")){
				getMailContent((Part)part.getContent());
			}else{}
		}
		
		/** if require reply sign**/
		public boolean getReplySign()throws MessagingException{
			boolean replysign = false;
			String needreply[] = mail.getHeader("Disposition-Notification-To");
			if(needreply != null){
				replysign = true;
			}
			return replysign;
		}
		
		/**get message-ID **/
		public String getMessageId()throws MessagingException{
			return mail.getMessageID();
		}
		
		/**if it is new mail**/
		public boolean isNew()throws MessagingException{
			boolean isnew = false;
			Flags flags = ((Message)mail).getFlags();
			Flags.Flag[]flag = flags.getSystemFlags();
			System.out.println("flag's length: "+flag.length);
			for(int i=0;i<flag.length;i++){
				if(flag[i] == Flags.Flag.SEEN){
					isnew = true;
					System.out.println("seen Message.................");
					break;
				}
			}
			return isnew;
		}
		
		/**set date format**/
		public void setDateFormat(String format)throws Exception{
			this.dateformat = format;
		}
		
		/**gotMail test**/
		public static void main(String args[])throws Exception{
			int mytime = 0;
			for( mytime = 0; mytime <10; mytime++){
	        Thread.sleep(1000);   // sleep for 60 seconds

			String host = "mail.nyu.edu"; //mai.nyu.edu
			String username = "cj520"; 
			String password = "!@#$5xyz";
			Properties props = new Properties();
			Session session = Session.getDefaultInstance(props, null);
			Store store = session.getStore("pop3");
			store.connect(host, username, password);
			Folder folder = store.getFolder("INBOX");
			folder.open(Folder.READ_ONLY);
			Message message[] = folder.getMessages();
			String Line1 = "You've got "+message.length+" new emails";
			System.out.println(Line1);
			//setClipboard(Line1);
			gotMail gm = null;
			for(int i =0; i<message.length;i++){
				gm = new gotMail((MimeMessage)message[i]);
				System.out.println("Message "+i+" subject: "+gm.getSubject());
				//String writeMe =
				//writeToClipboard(writeMe);

				//System.out.println("Message "+i+" sentdate: "+gm.getSentDate());
				//System.out.println("Message "+i+" hasRead: "+gm.isNew());
				//System.out.println("Message "+i+" from"+gm.getFrom());
				gm.getMailContent((Part)message[i]);
				System.out.println("Message "+i+" bodycontent :\r\n"+gm.getBodyText());
			}
			}
		}
}