// Copyright 2000-2005 the Contributors, as shown in the revision logs.
// Licensed under the Apache Public Source License 2.0 ("the License").
// You may not use this file except in compliance with the License.

package org.ibex.mail;
import org.ibex.util.*;
import org.ibex.io.*;
import org.ibex.net.*;
import org.ibex.mail.target.*;
import org.ibex.jinetd.*;
import java.io.*;
import java.net.*;
import java.util.*;

// FIXME: actually implement this...
public interface POP3 {

    public static interface Server {
        public void     userpass(String user, String pass);
        public void     apop(String user, String digest);
        public Stream   top(int m, int maxlines);
        public Stream   retr(int m);
        public long     stat();        // top 32 bits is number of messages, bottom 32 is total size
        public long[]   list();        // top 32 bits is message number, bottom 32 is size
        public long     list(int m);
        public void     dele(int m);
        public void     noop(int m);
        public void     rset(int m);
        public String   uidl(int m);
        public String[] uidl();         // FIXME, also needs message number
    }

    public static class Listener {
        Server api = null;
        public void handleRequest(Connection conn) {
            conn.setTimeout(30 * 60 * 1000);
            conn.println("+OK " + conn.vhost + " [" + POP3.class.getName() + "] ready");
            String user = null;
            String pass = null;
            for(String line = conn.readln(); line != null; line = conn.readln()) {
                StringTokenizer st = new StringTokenizer(line, " ");
                String command = st.nextToken().toUpperCase();
                if        (command.equals("USER")) {
                } else if (command.equals("PASS")) {
                } else if (command.equals("QUIT")) {
                }
            }
        }
    }
}