//  $Id: system.cxx,v 1.6 2002/09/15 00:19:19 grumbel Exp $
//
//  Pingus - A free Lemmings clone
//  Copyright (C) 1999 Ingo Ruhnke <address@hidden>
//
//  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 <stdio.h>

#include <dirent.h>
#include <fcntl.h>
#include <fnmatch.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <errno.h>

#include <iostream>

#include "globals.hxx"
#include "string_converter.hxx"
#include "system.hxx"

/* Headers needed for i18n / gettext */
#include <clocale>
#include <config.h>
#include "my_gettext.hxx"


System::Directory
System::opendir(const std::string& pathname, const std::string& pattern)
{
  std::list<System::DirectoryEntry> dir_list;

  DIR* dp;
  dirent* de; 
  
  dp = ::opendir(pathname.c_str());

  if (dp == 0)
    {
      std::cout << _("System: Couldn't open: ") << pathname << std::endl;
    }
  else
    {
      while ((de = ::readdir(dp)) != 0) 
	{
	  if (fnmatch(pattern.c_str(), de->d_name, FNM_PATHNAME) == 0) 
	    {
	      struct stat buf;
	      stat ((pathname + "/" + de->d_name).c_str (), &buf);
	      
	      if (S_ISDIR(buf.st_mode))
		{
		  dir_list.push_back(DirectoryEntry(de->d_name, DirectoryEntry::DE_DIRECTORY));
		}
	      else 
		{
		  dir_list.push_back(DirectoryEntry(de->d_name, DirectoryEntry::DE_FILE));
		}
	    }
	}
      
      closedir(dp);
    }

  return dir_list;
}

bool
System::exist(std::string filename)
{
  return !access(filename.c_str(), F_OK);
}

void
System::create_dir(std::string directory)
{
  if (!exist(directory))
    {
      if (mkdir(directory.c_str(), S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP) != 0)
	{
	  throw Error(directory + ": " + strerror(errno));
	}
      else
	{
	  std::cout << _("Successfully created: ") << directory << std::endl;
	}
    }  
  else
    {
      if (verbose) std::cout << _("Found: ") << directory << std::endl;
    }
}

/** Change into the directory named dir, on error throw an PingusError */
void
System::change_dir (std::string dir)
{
  std::cout << "System: change_dir: " << dir << std::endl;
  _chdir (dir.c_str ());
}

std::string
System::get_statdir()
{
  char* homedir = getenv("HOME");

  if (homedir) 
    {
      return std::string(homedir) + "/.pingus/";
    }
  else
    {
      throw Error(_("Environment variable $HOME not set, fix that and start again."));
    }
}

std::string
System::get_vardir()
{
  return "/var/games/pingus/";
}

std::string
System::get_tmpdir()
{
  return "/tmp/";
}

/* EOF */