// Copyright (C) 1999,2000 Bruce Guenter <bruceg@em.ca>

//

// This program 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 2 of the License, or

// (at your option) any later version.

//

// This program 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 this program; if not, write to the Free Software

// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#include <config.h>

#include "maildir.h"

#include <unistd.h>

#include <string.h>

#include "ac/dirent.h"

#include "stat_fns.h"

#include "mystring/mystring.h"

static inline int rmdir(const mystring& n)

{

  return rmdir(n.c_str());

}

int mkdirp(const mystring& dirname, mode_t mode)

{

  if(is_dir(dirname.c_str()))

    return 0;

  int i = dirname.find_last('/');

  if(i > 0) {

    if(mkdirp(dirname.left(i), 0755))

      return -1;

  }

  return mkdir(dirname.c_str(), mode);

}

bool make_maildir(const mystring& dirname)

{

  if(mkdirp(dirname, 0700))

    return false;

  mystring curdir = dirname + "/cur";

  if(mkdir(curdir.c_str(), 0755)) {

    rmdir(dirname);

    return false;

  }

  mystring newdir = dirname + "/new";

  if(mkdir(newdir.c_str(), 0755)) {

    rmdir(curdir);

    rmdir(dirname);

    return false;

  }

  mystring tmpdir = dirname + "/tmp";

  if(mkdir(tmpdir.c_str(), 0755)) {

    rmdir(newdir);

    rmdir(curdir);

    rmdir(dirname);

    return false;

  }

  return true;

}

bool delete_directory(const mystring& dirname)

{

  DIR* dir = opendir(dirname.c_str());

  if(!dir)

    return false;

  while(dirent* entry = readdir(dir)) {

    const char* name = entry->d_name;

    if(name[0] == '.' &&

       (NAMLEN(entry) == 1 ||

	(name[1] == '.' && NAMLEN(entry) == 2)))

      continue;

    mystring fullname = dirname + "/";

    fullname += mystring(name, NAMLEN(entry));

    if(is_dir(fullname.c_str())) {

      if(!delete_directory(fullname)) {

	closedir(dir);

	return false;

      }

    }

    else if(unlink(fullname.c_str())) {

      closedir(dir);

      return false;

    }

  }

  closedir(dir);

  return !rmdir(dirname);

}