//============================================================================
//  Copyright (c) Kitware, Inc.
//  All rights reserved.
//  See LICENSE.txt for details.
//  This software is distributed WITHOUT ANY WARRANTY; without even
//  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
//  PURPOSE.  See the above copyright notice for more information.
//
//  Copyright 2014 Sandia Corporation.
//  Copyright 2014 UT-Battelle, LLC.
//  Copyright 2014 Los Alamos National Security.
//
//  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
//  the U.S. Government retains certain rights in this software.
//
//  Under the terms of Contract DE-AC52-06NA25396 with Los Alamos National
//  Laboratory (LANL), the U.S. Government retains certain rights in
//  this software.
//============================================================================

#include <vtkm/cont/arg/TransportTagCellSetIn.h>

#include <vtkm/cont/CellSetExplicit.h>

#include <vtkm/exec/FunctorBase.h>

#include <vtkm/cont/serial/DeviceAdapterSerial.h>

#include <vtkm/cont/testing/MakeTestDataSet.h>
#include <vtkm/cont/testing/Testing.h>


namespace {

template<typename CellSetInType>
struct TestKernel : public vtkm::exec::FunctorBase
{
  CellSetInType CellSet;

  VTKM_EXEC
  void operator()(vtkm::Id) const
  {
  if (this->CellSet.GetNumberOfElements() != 2)
    {
      this->RaiseError("Got bad number of shapes in exec cellset object.");
    }

  if (this->CellSet.GetIndices(0).GetNumberOfComponents() != 3 ||
      this->CellSet.GetIndices(1).GetNumberOfComponents() != 4 )
    {
      this->RaiseError("Got bad number of Indices in exec cellset object.");
    }

  if (this->CellSet.GetCellShape(0).Id != 5 ||
      this->CellSet.GetCellShape(1).Id != 9 )
    {
      this->RaiseError("Got bad cell shape in exec cellset object.");
    }
  }
};

template<typename Device>
void TransportWholeCellSetIn(Device)
{
  //build a fake cell set
  const int nVerts = 5;
  vtkm::cont::CellSetExplicit<> contObject("cells");
  contObject.PrepareToAddCells(2, 7);
  contObject.AddCell(vtkm::CELL_SHAPE_TRIANGLE, 3, vtkm::make_Vec<vtkm::Id>(0,1,2));
  contObject.AddCell(vtkm::CELL_SHAPE_QUAD, 4, vtkm::make_Vec<vtkm::Id>(2,1,3,4));
  contObject.CompleteAddingCells(nVerts);

  typedef vtkm::TopologyElementTagPoint FromType;
  typedef vtkm::TopologyElementTagCell ToType;

  typedef typename  vtkm::cont::CellSetExplicit<>
      ::template ExecutionTypes< Device, FromType, ToType >
      ::ExecObjectType ExecObjectType;

  vtkm::cont::arg::Transport<
      vtkm::cont::arg::TransportTagCellSetIn<FromType,ToType>,
      vtkm::cont::CellSetExplicit<>,
      Device>
      transport;

  TestKernel<ExecObjectType> kernel;
  kernel.CellSet = transport(contObject, nullptr, 1, 1);

  vtkm::cont::DeviceAdapterAlgorithm<Device>::Schedule(kernel, 1);
}

void UnitTestCellSetIn()
{
  std::cout << "Trying CellSetIn transport with serial device." << std::endl;
  TransportWholeCellSetIn(vtkm::cont::DeviceAdapterTagSerial());
}

} // Anonymous namespace

int UnitTestTransportCellSetIn(int, char *[])
{
  return vtkm::cont::testing::Testing::Run(UnitTestCellSetIn);
}