/*=========================================================================
 *
 *  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 "itkRandomVariateGeneratorBase.h"
#include "itkObjectFactory.h"

namespace itk::Statistics
{

class VariateGeneratorTestHelper : public RandomVariateGeneratorBase
{
public:
  using Self = VariateGeneratorTestHelper;
  using Superclass = RandomVariateGeneratorBase;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkOverrideGetNameOfClassMacro(VariateGeneratorTestHelper);

  itkNewMacro(Self);

  double
  GetVariate() override
  {
    constexpr double theAnswerToTheQuestionOfLifeTheUniverseAndEverything{ 42.0 };
    return theAnswerToTheQuestionOfLifeTheUniverseAndEverything;
  }

  void
  RunTests()
  {
    std::cout << "Superclass Name " << this->Superclass::GetNameOfClass() << std::endl;
    std::cout << "This class Name " << this->GetNameOfClass() << std::endl;
    std::cout << "GetVariate() = " << this->GetVariate() << std::endl;
  }
};

} // namespace itk::Statistics


int
itkRandomVariateGeneratorBaseTest(int, char *[])
{
  using GeneratorType = itk::Statistics::VariateGeneratorTestHelper;

  auto generator = GeneratorType::New();

  std::cout << generator->GetNameOfClass() << std::endl;

  generator->RunTests();

  generator->Print(std::cout);

  std::cerr << "[PASSED]" << std::endl;
  return EXIT_SUCCESS;
}
