/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         https://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/

#include <fstream>
#include <iostream>
#include "itkRandomImageSource.h"
#include "itkImageFileWriter.h"
#include "itkImageFileReader.h"
#include "itkStimulateImageIO.h"
#include "itkTestingMacros.h"


// Specific ImageIO test

int
itkStimulateImageIOTest(int argc, char * argv[])
{
  using FloatImageType = itk::Image<float, 2>;

  if (argc < 3)
  {
    std::cerr << "Usage: " << std::endl;
    std::cerr << itkNameOfTestExecutableMacro(argv) << "  output1 output2 " << std::endl;
    return EXIT_FAILURE;
  }

  // Create a source object (in this case a random image generator).
  // The source object is templated on the output type.
  //
  FloatImageType::SizeValueType size[2];
  size[0] = 128;
  size[1] = 64;

  const itk::RandomImageSource<FloatImageType>::Pointer random = itk::RandomImageSource<FloatImageType>::New();
  random->SetMin(0.0);
  random->SetMax(1.0);
  random->SetSize(size);

  // Create a mapper (in this case a writer). A mapper
  // is templated on the input type.
  //
  const itk::StimulateImageIO::Pointer sprIO = itk::StimulateImageIO::New();

  ITK_EXERCISE_BASIC_OBJECT_METHODS(sprIO, StimulateImageIO, ImageIOBase);


  // Not used; empty method body; called for coverage purposes
  sprIO->WriteImageInformation();

  // Write out the image
  const itk::ImageFileWriter<FloatImageType>::Pointer writer = itk::ImageFileWriter<FloatImageType>::New();
  writer->SetInput(random->GetOutput());
  writer->SetFileName(argv[1]);
  writer->SetImageIO(sprIO);
  writer->Write();

  if (!sprIO->CanReadFile(argv[1]))
  {
    return EXIT_FAILURE;
  }

  try
  {
    // Create a source object (in this case a reader)
    const itk::ImageFileReader<FloatImageType>::Pointer reader = itk::ImageFileReader<FloatImageType>::New();
    reader->SetImageIO(sprIO);
    reader->SetFileName(argv[1]);
    reader->Update();

    writer->SetInput(reader->GetOutput());
    writer->SetFileName(argv[2]);
    writer->Write();
  }
  catch (const itk::ExceptionObject & e)
  {
    std::cerr << e << std::endl;
    return EXIT_FAILURE;
  }
  return EXIT_SUCCESS;
}
