/*
 * Project: MoleCuilder
 * Description: creates and alters molecular systems
 * Copyright (C)  2010-2012 University of Bonn. All rights reserved.
 * Please see the LICENSE file or "Copyright notice" in builder.cpp for details.
 */

/*
 * CopyAction.cpp
 *
 *  Created on: May 10, 2010
 *      Author: heber
 */

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

#include "CodePatterns/MemDebug.hpp"

#include "Actions/UndoRedoHelpers.hpp"
#include "CodePatterns/Log.hpp"
#include "CodePatterns/Verbose.hpp"
#include "LinearAlgebra/Vector.hpp"
#include "Atom/atom.hpp"
#include "Bond/bond.hpp"
#include "molecule.hpp"
#include "World.hpp"

#include <iostream>
#include <fstream>
#include <string>
#include <vector>

#include "Actions/MoleculeAction/CopyAction.hpp"

using namespace MoleCuilder;

// and construct the stuff
#include "CopyAction.def"
#include "Action_impl_pre.hpp"
/** =========== define the function ====================== */
Action::state_ptr MoleculeCopyAction::performCall()
{
  std::vector<moleculeId_t> molecules;
  for (World::MoleculeSelectionConstIterator iter = World::getInstance().beginMoleculeSelection();
      iter != World::getInstance().endMoleculeSelection(); ++iter) {
    molecule * const copy = (iter->second)->CopyMolecule();
    Vector *Center = (iter->second)->DetermineCenterOfAll();
    *Center *= -1.;
    *Center += params.position.get();
    copy->Translate(Center);
    delete(Center);
    molecules.push_back(copy->getId());
  }

  return Action::state_ptr(new MoleculeCopyState(molecules,params));
}

Action::state_ptr MoleculeCopyAction::performUndo(Action::state_ptr _state) {
  MoleculeCopyState *state = assert_cast<MoleculeCopyState*>(_state.get());

  RemoveMoleculesWithAtomsByIds(state->copies);

  return Action::state_ptr(_state);
}

Action::state_ptr MoleculeCopyAction::performRedo(Action::state_ptr _state){
  return performCall();
}

bool MoleculeCopyAction::canUndo() {
  return true;
}

bool MoleculeCopyAction::shouldUndo() {
  return true;
}
/** =========== end of function ====================== */