/*
 * Project: MoleCuilder
 * Description: creates and alters molecular systems
 * Copyright (C)  2010 University of Bonn. All rights reserved.
 * Please see the LICENSE file or "Copyright notice" in builder.cpp for details.
 */

/*
 * InputAction.cpp
 *
 *  Created on: May 8, 2010
 *      Author: heber
 */

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

#include "Helpers/MemDebug.hpp"

#include "Helpers/Log.hpp"
#include "molecule.hpp"
#include "Parser/FormatParserStorage.hpp"
#include "Parser/PcpParser.hpp"
#include "Helpers/Verbose.hpp"
#include "World.hpp"

#include <iostream>
#include <string>

using namespace std;

#include "Actions/WorldAction/InputAction.hpp"

// and construct the stuff
#include "InputAction.def"
#include "Action_impl_pre.hpp"
/** =========== define the function ====================== */
Action::state_ptr WorldInputAction::performCall() {
  MoleculeListClass *molecules = World::getInstance().getMolecules();
  molecule *mol = NULL;
  std::ifstream test;

  // obtain information
  getParametersfromValueStorage();

  DoLog(0) && (Log() << Verbose(0) << "Config file given." << endl);
  if (params.filename.find('.') != string::npos) {
    std::string FilenamePrefix = params.filename.substr(0,params.filename.find_last_of('.'));
    std::string FilenameSuffix = params.filename.substr(params.filename.find_last_of('.')+1, params.filename.length());
    DoLog(1) && (Log() << Verbose(1) << "Setting config file name prefix to " << FilenamePrefix << "." << endl);
    test.open(params.filename.c_str());
    if (test == NULL) {
      DoLog(1) && (Log() << Verbose(1) << "Specified config file " << params.filename << " not found." << endl);
    } else {
      DoLog(1) && (Log() << Verbose(1) << "Specified config file found, parsing ... ");
      FormatParserStorage::getInstance().get((std::istream &)test, FilenameSuffix);
      test.close();
    }
    FormatParserStorage::getInstance().SetOutputPrefixForAll(FilenamePrefix);
    // set mol to first active molecule
    if (molecules->ListOfMolecules.size() != 0) {
      for (MoleculeList::iterator ListRunner = molecules->ListOfMolecules.begin(); ListRunner != molecules->ListOfMolecules.end(); ListRunner++)
        if ((*ListRunner)->ActiveFlag) {
          mol = *ListRunner;
          break;
        }
    }
    if (mol == NULL) {
      mol = World::getInstance().createMolecule();
      mol->ActiveFlag = true;
      molecules->insert(mol);
    }
    mol->SetNameFromFilename(params.filename.substr(0,params.filename.find('.')).c_str());
  } else {
    DoeLog(1) && (eLog() << Verbose(1) << "Input file does not have a suffix, cannot recognize format." << endl);
  }
  return Action::success;
}

Action::state_ptr WorldInputAction::performUndo(Action::state_ptr _state) {
//  ParserLoadXyzState *state = assert_cast<ParserLoadXyzState*>(_state.get());

  return Action::failure;
//  string newName = state->mol->getName();
//  state->mol->setName(state->lastName);
//
//  return Action::state_ptr(new ParserLoadXyzState(state->mol,newName));
}

Action::state_ptr WorldInputAction::performRedo(Action::state_ptr _state){
  return Action::failure;
}

bool WorldInputAction::canUndo() {
  return false;
}

bool WorldInputAction::shouldUndo() {
  return false;
}

const string WorldInputAction::getName() {
  return NAME;
}
/** =========== end of function ====================== */