/*
 * libEtPan! -- a mail stuff library
 *
 * Copyright (C) 2001, 2005 - DINH Viet Hoa
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the libEtPan! project nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 * $Id: maildirdriver_tools.c,v 1.7 2006/05/22 13:39:40 hoa Exp $
 */

#ifdef HAVE_CONFIG_H
#	include <config.h>
#endif

#include "mailmessage.h"
#include "maildirdriver_tools.h"
#include "maildir.h"
#include "generic_cache.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <string.h>

int maildirdriver_maildir_error_to_mail_error(int error)
{
  switch (error) {
  case MAILDIR_NO_ERROR:
    return MAIL_NO_ERROR;
    
  case MAILDIR_ERROR_CREATE:
    return MAIL_ERROR_FILE;
    
  case MAILDIR_ERROR_DIRECTORY:
    return MAIL_ERROR_FILE;
    
  case MAILDIR_ERROR_MEMORY:
    return MAIL_ERROR_MEMORY;
    
  case MAILDIR_ERROR_FILE:
    return MAIL_ERROR_FILE;

  case MAILDIR_ERROR_FOLDER:
    return MAIL_ERROR_FOLDER;
    
  case MAILDIR_ERROR_NOT_FOUND:
    return MAIL_ERROR_MSG_NOT_FOUND;

  default:
    return MAIL_ERROR_INVAL;
  }
}



uint32_t maildirdriver_maildir_flags_to_flags(uint32_t md_flags)
{
  uint32_t flags;
  
  flags = 0;
  if ((md_flags & MAILDIR_FLAG_NEW) != 0)
    flags |= MAIL_FLAG_NEW;

  if ((md_flags & MAILDIR_FLAG_SEEN) != 0)
    flags |= MAIL_FLAG_SEEN;
  
  if ((md_flags & MAILDIR_FLAG_REPLIED) != 0)
    flags |= MAIL_FLAG_ANSWERED;
  
  if ((md_flags & MAILDIR_FLAG_FLAGGED) != 0)
    flags |= MAIL_FLAG_FLAGGED;

  if ((md_flags & MAILDIR_FLAG_TRASHED) != 0)
    flags |= MAIL_FLAG_DELETED;
  
  return flags;
}

uint32_t maildirdriver_flags_to_maildir_flags(uint32_t flags)
{
  uint32_t md_flags;
  
  md_flags = 0;
  if ((flags & MAIL_FLAG_NEW) != 0)
    md_flags |= MAILDIR_FLAG_NEW;

  if ((flags & MAIL_FLAG_SEEN) != 0)
    md_flags |= MAILDIR_FLAG_SEEN;
  
  if ((flags & MAIL_FLAG_ANSWERED) != 0)
    md_flags |= MAILDIR_FLAG_REPLIED;
  
  if ((flags & MAIL_FLAG_FLAGGED) != 0)
    md_flags |= MAILDIR_FLAG_FLAGGED;

  if ((flags & MAIL_FLAG_DELETED) != 0)
    md_flags |= MAILDIR_FLAG_TRASHED;
  
  return md_flags;
}


int maildir_get_messages_list(mailsession * session, struct maildir * md,
    mailmessage_driver * message_driver,
    struct mailmessage_list ** result)
{
  unsigned int i;
  struct mailmessage_list * env_list;
  int r;
  carray * tab;
  int res;
  
  tab = carray_new(128);
  if (tab == NULL) {
    res = MAIL_ERROR_MEMORY;
    goto err;
  }
  
  for(i = 0 ; i < carray_count(md->mdir_msg_list) ; i++) {
    struct maildir_msg * md_msg;
    mailmessage * msg;
    char * filename;
    struct stat stat_info;
    
    md_msg = carray_get(md->mdir_msg_list, i);
    
    filename = maildir_message_get(md, md_msg->msg_uid);
    r = stat(filename, &stat_info);
    free(filename);
    if (r < 0)
      continue;
    
    msg = mailmessage_new();
    if (msg == NULL) {
      res = MAIL_ERROR_MEMORY;
      goto free_list;
    }
    
    r = mailmessage_init(msg, session, message_driver,
        i + 1, stat_info.st_size);
    if (r != MAIL_NO_ERROR) {
      mailmessage_free(msg);
      res = r;
      goto free_list;
    }
    
    msg->msg_uid = strdup(md_msg->msg_uid);
    if (msg->msg_uid == NULL) {
      mailmessage_free(msg);
      res = MAIL_ERROR_MEMORY;
      goto free_list;
    }
    
    r = carray_add(tab, msg, NULL);
    if (r < 0) {
      mailmessage_free(msg);
      res = MAIL_ERROR_MEMORY;
      goto free_list;
    }
  }
  
  env_list = mailmessage_list_new(tab);
  if (env_list == NULL) {
      res = MAIL_ERROR_MEMORY;
    goto free_list;
  }
  
  * result = env_list;

  return MAIL_NO_ERROR;

 free_list:
  for(i = 0 ; i < carray_count(tab) ; i ++)
    mailmessage_free(carray_get(tab, i));
  carray_free(tab);
 err:
  return res;
}