/* BEGIN software license
 *
 * msXpertSuite - mass spectrometry software suite
 * -----------------------------------------------
 * Copyright(C) 2009,...,2018 Filippo Rusconi
 *
 * http://www.msxpertsuite.org
 *
 * This file is part of the msXpertSuite project.
 *
 * The msXpertSuite project is the successor of the massXpert project. This
 * project now includes various independent modules:
 *
 * - massXpert, model polymer chemistries and simulate mass spectrometric data;
 * - mineXpert, a powerful TIC chromatogram/mass spectrum viewer/miner;
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 * END software license
 */


/////////////////////// Local includes
#include <massxpert/nongui/CrossLinkedRegion.hpp>


namespace msXpSmassXpert
{

//            [3] [4] [5] [6]        [9]    [11]
// o---o---o---o---o--o---o---o---o---o---o---o---o---o---o
//             |   |__|   |       |   |       |       |
//             |          +-----------+       +-------+
//             |                  |
//             +------------------+
//
//
// In the example above, there are two cross-linked regions: [3--9]
// and [11--13].


CrossLinkedRegion::CrossLinkedRegion()
{
  m_startIndex = 0;
  m_endIndex   = 0;
}


CrossLinkedRegion::CrossLinkedRegion(int startIndex, int endIndex)
{
  m_startIndex = startIndex;
  m_endIndex   = endIndex;
}


CrossLinkedRegion::CrossLinkedRegion(const CrossLinkedRegion &other)
{
  m_startIndex = other.m_startIndex;
  m_endIndex   = other.m_endIndex;

  for(int iter = 0; iter < other.m_crossLinkList.size(); ++iter)
    {
      m_crossLinkList.append(other.m_crossLinkList.at(iter));
    }
}


CrossLinkedRegion::~CrossLinkedRegion()
{
  // Do not destroy the CrossLink instances that we do not own. If
  // we destroyed them, then their destructor would trigger the
  // removal of the cross-link from the polymer sequence, which we
  // must not do.
}

void
CrossLinkedRegion::setStartIndex(int index)
{
  m_startIndex = index;
}


int
CrossLinkedRegion::startIndex()
{
  return m_startIndex;
}


void
CrossLinkedRegion::setEndIndex(int index)
{
  m_endIndex = index;
}


int
CrossLinkedRegion::endIndex()
{
  return m_endIndex;
}


const QList<CrossLink *> &
CrossLinkedRegion::crossLinkList() const
{
  return m_crossLinkList;
}


int
CrossLinkedRegion::appendCrossLink(CrossLink *crossLink)
{
  if(!crossLink)
    qFatal("Fatal error at %s@%d. Aborting.", __FILE__, __LINE__);

  // Only append the cross-link if it is not alreaday in the list.
  if(!m_crossLinkList.contains(crossLink))
    m_crossLinkList.append(crossLink);

  return m_crossLinkList.size();
}


int
CrossLinkedRegion::appendCrossLinks(const QList<CrossLink *> &list)
{
  for(int iter = 0; iter < list.size(); ++iter)
    {
      m_crossLinkList.append(list.at(iter));
    }

  return m_crossLinkList.size();
}


int
CrossLinkedRegion::removeCrossLink(CrossLink *crossLink)
{
  if(!crossLink)
    qFatal("Fatal error at %s@%d. Aborting.", __FILE__, __LINE__);

  m_crossLinkList.removeOne(crossLink);

  return m_crossLinkList.size();
}


int
CrossLinkedRegion::removeCrossLinkAt(int index)
{
  if(index >= m_crossLinkList.size() || index < 0)
    qFatal("Fatal error at %s@%d. Aborting.", __FILE__, __LINE__);

  m_crossLinkList.removeAt(index);

  return m_crossLinkList.size();
}


} // namespace msXpSmassXpert
