/*
 * Project: MoleCuilder
 * Description: creates and alters molecular systems
 * Copyright (C)  2012 University of Bonn. All rights reserved.
 * Please see the COPYING file or "Copyright notice" in builder.cpp for details.
 * 
 *
 *   This file is part of MoleCuilder.
 *
 *    MoleCuilder 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.
 *
 *    MoleCuilder 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 MoleCuilder.  If not, see <http://www.gnu.org/licenses/>. 
 */

/*
 * ParticleTypeCheckers.cpp
 *
 *  Created on: Nov 28, 2012
 *      Author: heber
 */


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

#include "CodePatterns/MemDebug.hpp"

#include "ParticleTypeCheckers.hpp"

#include <algorithm>

#include "CodePatterns/Assert.hpp"
#include "CodePatterns/Log.hpp"

bool ParticleTypeChecker::checkArgumentsAgainstParticleTypesStrictOrdering(
    const FunctionModel::arguments_t &args,
    const SerializablePotential::ParticleTypes_t &types
  )
{
  // check size
  if (types.size() != types.size())
    return false;
  // check step-wise each
  FunctionModel::arguments_t::const_iterator iter = args.begin();
  SerializablePotential::ParticleTypes_t::const_iterator firstcheckiter = types.begin();
  SerializablePotential::ParticleTypes_t::const_iterator secondcheckiter = types.begin();
  ++secondcheckiter;
  for(; iter != args.end(); ++iter){
    if ((iter->types.first != *firstcheckiter)
        && (iter->types.second != *secondcheckiter)) {
      ELOG(1, iter->types.first << "," << iter->types.second << " does not match with "
          << *firstcheckiter << "," << *secondcheckiter << ".");
      return false;
    }
    ++secondcheckiter;
    if (secondcheckiter == types.end()) {
      ++firstcheckiter;
      ASSERT( firstcheckiter != types.end(),
          "checkArgumentsAgainstParticleTypesStrictOrdering() - not enough types?");
      secondcheckiter = firstcheckiter+1;
    }
  }
  return true;
}

bool ParticleTypeChecker::checkArgumentsAgainstParticleTypes(
    const FunctionModel::arguments_t &args,
    const SerializablePotential::ParticleTypes_t &types
  )
{
  // check size
  if (types.size() != types.size())
    return false;
  // check step-wise each
  bool status = true;
  for(FunctionModel::arguments_t::const_iterator iter = args.begin();
      iter != args.end(); ++iter) {
    const SerializablePotential::ParticleTypes_t::const_iterator firstcheckiter =
        std::find( types.begin(), types.end(), iter->types.first );
    const SerializablePotential::ParticleTypes_t::const_iterator secondcheckiter =
        std::find( types.begin(), types.end(), iter->types.second );
    status &= (firstcheckiter != types.end()) && (secondcheckiter != types.end());
    if (!status)
      break;
  }
  return status;
}