/*=========================================================================
 *
 *  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 "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkLSMImageIO.h"
#include "itkTestingMacros.h"


// Specific ImageIO test

int
itkLSMImageIOTest(int argc, char * argv[])
{
  if (argc < 3)
  {
    std::cerr << "Missing Parameters." << std::endl;
    std::cerr << "Usage: " << itkNameOfTestExecutableMacro(argv) << " inputFileName(*.lsm) outputFileName(*.lsm)"
              << std::endl;
    return EXIT_FAILURE;
  }

  const unsigned int Dimensions = 2;

  using InputPixelType = itk::RGBPixel<unsigned char>;
  using InputImageType = itk::Image<InputPixelType, Dimensions>;
  using ReaderType = itk::ImageFileReader<InputImageType>;
  using ImageIOType = itk::LSMImageIO;

  auto         reader = ReaderType::New();
  const char * inputFileName = argv[1];
  reader->SetFileName(inputFileName);

  auto lsmImageIO = ImageIOType::New();

  ITK_EXERCISE_BASIC_OBJECT_METHODS(lsmImageIO, LSMImageIO, TIFFImageIO);


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

  reader->SetImageIO(lsmImageIO);

  ITK_TRY_EXPECT_NO_EXCEPTION(reader->Update());

  size_t bufferSize = reader->GetImageIO()->GetImageSizeInBytes();
  auto * buffer = new InputPixelType[bufferSize];

  lsmImageIO->Read(buffer);

  const char * outputFileName = argv[2];
  lsmImageIO->SetFileName(outputFileName);

  ITK_TRY_EXPECT_NO_EXCEPTION(lsmImageIO->Write(buffer));

  using WriterType = itk::ImageFileWriter<InputImageType>;
  auto writer = WriterType::New();
  writer->SetFileName(outputFileName);
  writer->SetInput(reader->GetOutput());

  ITK_TRY_EXPECT_NO_EXCEPTION(writer->Update());

  delete[] buffer;

  std::cout << "Test finished." << std::endl;
  return EXIT_SUCCESS;
}