/* GNU Mailutils -- a suite of utilities for electronic mail
   Copyright (C) 1999-2001, 2005, 2007, 2009-2012, 2014-2018 Free
   Software Foundation, Inc.

   GNU Mailutils is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3, or (at your option)
   any later version.

   GNU Mailutils is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with GNU Mailutils.  If not, see <http://www.gnu.org/licenses/>. */

#include "pop3d.h"

/* Prints the number of messages and the total size of all messages */

int
pop3d_stat (char *arg, struct pop3d_session *sess)
{
  size_t mesgno;
  size_t size = 0;
  size_t lines = 0;
  size_t total = 0;
  size_t num = 0;
  size_t tsize = 0;
  mu_message_t msg = NULL;
  mu_attribute_t attr = NULL;

  if (strlen (arg) != 0)
    return ERR_BAD_ARGS;

  if (state != TRANSACTION)
    return ERR_WRONG_STATE;

  /* rfc1939: if the POP3 server host internally represents end-of-line as a
     single character, then the POP3 server simply counts each occurrence of
     this character in a message as two octets. */
  mu_mailbox_messages_count (mbox, &total);
  for (mesgno = 1; mesgno <= total; mesgno++)
    {
      mu_mailbox_get_message (mbox, mesgno, &msg);
      mu_message_get_attribute (msg, &attr);
      /* rfc1939: Note that messages marked as deleted are not counted in
	 either total.  */
      if (!pop3d_is_deleted (attr))
	{
	  mu_message_size (msg, &size);
	  mu_message_lines (msg, &lines);
	  tsize += size + lines;
	  num++;
	}
    }
  pop3d_outf ("+OK %s %s\n", mu_umaxtostr (0, num), mu_umaxtostr (1, tsize));

  return OK;
}

