/*
Adept MobileRobots Robotics Interface for Applications (ARIA)
Copyright (C) 2004, 2005 ActivMedia Robotics LLC
Copyright (C) 2006, 2007, 2008, 2009, 2010 MobileRobots Inc.
Copyright (C) 2011, 2012, 2013 Adept Technology

     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

If you wish to redistribute ARIA under different terms, contact 
Adept MobileRobots for information about a commercial version of ARIA at 
robots@mobilerobots.com or 
Adept MobileRobots, 10 Columbia Drive, Amherst, NH 03031; +1-603-881-7960
*/
#include "ArExport.h"
#include "ariaOSDef.h"
#include "ArConfigGroup.h"
#include "ArArgumentBuilder.h"
#include "ArLog.h"

AREXPORT ArConfigGroup::ArConfigGroup(const char *baseDirectory)
{
  if (baseDirectory != NULL)
    myBaseDirectory = baseDirectory;
  else
    myBaseDirectory = "";
}

AREXPORT ArConfigGroup::~ArConfigGroup(void)
{
  
}

AREXPORT void ArConfigGroup::addConfig(ArConfig *config)
{
  myConfigs.push_back(config);
}

AREXPORT void ArConfigGroup::remConfig(ArConfig *config)
{
  myConfigs.remove(config);
}

AREXPORT bool ArConfigGroup::parseFile(const char *fileName, 
				       bool continueOnError)
{
  std::list<ArConfig *>::iterator it;
  bool ret = true;

  myLastFile = fileName;
  // go through all the configs and set the base directory (we don't
  // do it when we're parsing just so that whether it suceeds or fails
  // its the same behavior in this base directory regard)
  for (it = myConfigs.begin(); it != myConfigs.end(); it++)
  {
    (*it)->setBaseDirectory(myBaseDirectory.c_str());
  }
  // now we go through and parse files... if we get an error we stop
  // if we're supposed to
  for (it = myConfigs.begin(); it != myConfigs.end(); it++)
  {
    if (!(*it)->parseFile(fileName, continueOnError))
    {
      // if we are continuing on errors we still want to tell them we
      // had an error
      ret = false;
      // if we aren't continuing on error then just return
      if (!continueOnError)
	return false;
    }
  }
  return ret;
}

AREXPORT bool ArConfigGroup::reloadFile(bool continueOnError)
{
  return parseFile(myLastFile.c_str(), continueOnError);
}

AREXPORT bool ArConfigGroup::writeFile(const char *fileName)
{
  std::set<std::string> alreadyWritten;
  std::list<ArConfig *>::iterator it;
  bool ret = true;
  bool append = false;
  
  // go through all the configs and set the base directory (we don't
  // do it when we're parsing just so that whether it suceeds or fails
  // its the same behavior in this base directory regard)
  for (it = myConfigs.begin(); it != myConfigs.end(); it++)
  {
    (*it)->setBaseDirectory(myBaseDirectory.c_str());
  }
  // now we go through and parse files... if we get an error we stop
  // if we're supposed to
  for (it = myConfigs.begin(); it != myConfigs.end(); it++)
  {
    ArLog::log(ArLog::Verbose, "Writing config file");
    if (!(*it)->writeFile(fileName, append, &alreadyWritten))
    {
      // if we are continuing on errors we still want to tell them we
      // had an error
      ret = false;
    }
    append = true;
  }
  return ret;
  
}

AREXPORT void ArConfigGroup::setBaseDirectory(const char *baseDirectory)
{
  myBaseDirectory = baseDirectory;
}

AREXPORT const char *ArConfigGroup::getBaseDirectory(void) const
{
  return myBaseDirectory.c_str();
}