//=========================================================================
//  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.
//=========================================================================
// .NAME vtkCMBPt123Reader - "reader" for the pt123 formats
// .SECTION Description - pt123 outputs several files all listed in a
//   sup file. This reader reads the sup file and then reads the data
//   files listed in the sup file
#ifndef __vtkCMBPt123Reader__
#define __vtkCMBPt123Reader__

#include "cmbSystemConfig.h"
#include "vtkCMBIOModule.h" // For export macro
#include <vtkDoubleArray.h>
#include <vtkMultiBlockDataSetAlgorithm.h>
#include <vtkSmartPointer.h>

class Pt123TemporalData;
class vtkMultiBlockDataSet;
class vtkPolyData;

class VTKCMBIO_EXPORT vtkCMBPt123Reader : public vtkMultiBlockDataSetAlgorithm
{
public:
  static vtkCMBPt123Reader* New();
  void PrintSelf(ostream& os, vtkIndent indent) override;
  vtkTypeMacro(vtkCMBPt123Reader, vtkMultiBlockDataSetAlgorithm);

  vtkSetStringMacro(FileName);
  vtkGetStringMacro(FileName);

  vtkSetClampMacro(CacheSize, int, 1, VTK_INT_MAX);

protected:
  vtkCMBPt123Reader();
  ~vtkCMBPt123Reader() override;

  void ResetAllData();

  //Reader functions for various file formats found in the output of pt123
  int ReadSUPFile(const char* filename);
  int ReadPts2File(vtkPolyData* polyData, const char* filename);
  int ScanTemporalData(Pt123TemporalData* dat, const char* filename, bool isAScalar);
  int UpdateTimeData(Pt123TemporalData* dat, double timeValue);
  int ReadBinaryStreams(vtkPolyData* polyData, const char* filename);
  vtkDoubleArray* GetDataAtTime(Pt123TemporalData* dat, double ts);

  int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;

  char* FileName;
  char* OldFileName;
  vtkSetStringMacro(OldFileName);
  const char* FileNamePath;

  double* TimeSteps;
  double TimeStepRange[2];
  int NumberOfTimeSteps;
  int SpaceDimension;
  int TransientVelocity;
  int VelocityFormat;

  int CacheSize; //Tells how many ADHTemporalDatas can be stored at the same time

  //Geometry
  vtkMultiBlockDataSet* PrereadGeometry;
  //TimeData
  Pt123TemporalData* VelData;
  Pt123TemporalData* NemcData;
};

#endif //__vtkCMBPt123Reader__
