/*
 * BDEmailer version 1.1 copyright (c) 1997  David S Mitchell
 */

import GIT.GVU.IMAP.*;
import java.io.*;
import java.util.*;
import java.lang.*;
import java.lang.String.*;

/*
 * Given a user and password, checks e-mail and sends page
 */

public class BDEmailer{

  //an attempt to prevent other classes from accessing the
  //information in the User Data I/O class
  private String systemPassword = "KJaslkjdKDDShLBUasdf2837skdj";
  private BDUserData sysusers;

  public void setUserData(BDUserData passedusers) {
    sysusers = passedusers;
  }

  public void stop() {
    systemPassword = null;
    sysusers = null;
  }

  public void domail() {

/* ---------- get data for All Users --------------- */
    sysusers.initialize(systemPassword);
    Enumeration allusers = sysusers.getUsers(systemPassword)

    while(allusers.hasMoreElements()) {
      String CurrentUser = allusers.nextElement();

      Hashtable email = sysusers.getEmailData(CurrentUser, systemPassword);
      if (email == NULL) {
        System.out.println("No email data");
        //return(void);
      }
      Hashtable pager = sysusers.getPagerData(CurrentUser, systemPassword);
      if (pager == NULL) {
        System.out.println("No pager data");
        //return(void);
      }
/* ---------- done with data collection for A User --------- */
      try {
        /* ------------ Logon from aquired user data ------------- */
        Protocol protocol;
        Connection connection;
        Mailbox mailbox;

        String server = (String)email.get("server");
        String user = (String)email.get("user");
        String password = (String)email.get("password");

        protocol=new Protocol();
        protocol.connect(server);
        protocol.LOGIN(user, password);

        connection=protocol.getConnection();
        connection.SELECT("inbox");
        mailbox=connection.getMailbox();
        /* ------------- Done with logon ------------------ */

        /* ------------- Getting Email messages ----------- */
        Message message;
        BodyPart bodypart;
        String PageSendStr;
        String header;
        String sender, presender;
        String messagebody;

        int i = 0;
        int TotalMessages = mailbox.getExists();
        int NewMessages = mailbox.getRecent();
        if (NewMessages > 0) {

          for (i = TotalMessages; i > (TotalMessages-NewMessages); i--) {
            mailbox.FETCH(i);
            message=mailbox.getMessage(i);

            bodypart = message.getBodyPart();
            bodypart.FETCH();
            SendPage sendpage = new SendPage();

            presender = message.getSender().toString();
            int CutOn = presender.indexOf("<");
            int CutOff = presender.indexOf(">");
            sender = presender.substring(1, CutOn - 1);
            if (sender == null) {
              sender = presender.substring(CutOn + 1, CutOff);
            }
            header = ("FROM: " + sender + "\n" +
                      "SUBJECT: " + message.getSubject() + "\n");
            messagebody = bodypart.getData();
            int restrictsize = ((Integer)email.get("MaxMsgSize")).intValue();

            if (messagebody.length() <= restrictsize) {
              PageSendStr = (header + "MESSAGE: " + messagebody);
            }
            else {
              PageSendStr = (header + "MESSAGE: Too Long.");
            }
            String userarea = (String)pager.get("userarea");
            String usernumber = (String)pager.get("usernumber");
            sendpage.send_msg_to_pager(userarea, usernumber, PageSendStr);
          } /* end for */
        } /* end if */
        mailbox.CLOSE();
        protocol.LOGOUT();
      } /* end try */
    } /* end while */

    catch (IMAPException e) {
      System.out.println("IMAP Exception! " + e);
    }

    catch (InternalErr e) {
      System.out.println("Internal Error! " + e); 
    }

  } /* end domail */
}