/*=========================================================================
 *
 *  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 <iostream>
#include "itkOrthogonallyCorrected2DParametricPath.h"
#include "itkPolyLineParametricPath.h"
#include "itkTestingMacros.h"

int
itkOrthogonallyCorrected2DParametricPathTest(int, char *[])
{
  constexpr unsigned int Dimension = 2;

  using PathType = itk::OrthogonallyCorrected2DParametricPath;
  using OriginalPathType = itk::PolyLineParametricPath<Dimension>;
  using InputType = PathType::InputType;
  using OffsetType = PathType::OffsetType;
  using VertexType = OriginalPathType::VertexType;
  using OrthogonalCorrectionTableType = PathType::OrthogonalCorrectionTableType;
  using OrthogonalCorrectionTablePointer = PathType::OrthogonalCorrectionTablePointer;

  bool passed = true;

  InputType  input;
  OffsetType offset;
  VertexType v;

  // Original Path
  auto originalPath = OriginalPathType::New();
  v.Fill(2);
  originalPath->AddVertex(v);
  v[0] = 4;
  v[1] = 13;
  originalPath->AddVertex(v);
  v[0] = 12;
  v[1] = 14;
  originalPath->AddVertex(v);
  v[0] = 13;
  v[1] = 3;
  originalPath->AddVertex(v);
  v.Fill(2);
  originalPath->AddVertex(v);

  // 24 Alternating offsets
  OrthogonalCorrectionTablePointer correctionTable = OrthogonalCorrectionTableType::New();
  for (int i = 0; i < 24; ++i)
  {
    correctionTable->InsertElement(i, 1 - (i % 2)); // alternates 1, 0
  }

  // Create the corrected path
  auto path = PathType::New();

  ITK_EXERCISE_BASIC_OBJECT_METHODS(path, OrthogonallyCorrected2DParametricPath, ParametricPath);

  path->SetOriginalPath(originalPath);
  path->SetOrthogonalCorrectionTable(correctionTable);

  // Test the corrected path

  std::cout << "Evaluating at 0, 0.5, and 3.99999:  " << path->Evaluate(0) << ", " << path->Evaluate(0.5) << ", "
            << path->Evaluate(3.99999) << std::endl;

  std::cout << "Evaluating to an index at 0, 0.5, and 1.0: " << path->EvaluateToIndex(0) << ", "
            << path->EvaluateToIndex(0.5) << ", " << path->EvaluateToIndex(0.0) << std::endl;
  if (static_cast<int>(0.5 + 1000 * (path->Evaluate(0.0))[0]) != 1016 ||
      static_cast<int>(0.5 + 1000 * (path->Evaluate(0.0))[1]) != 2179)
  {
    std::cout << "OrthogonallyCorrected2DParametricPathTest:  EvaluateToIndex() Failed" << std::endl;
    passed = false;
  }

  input = 0;
  offset = path->IncrementInput(input);
  std::cout << "Incrementing the input from 0 to " << input << ": " << offset << std::endl;

  input = 0.5;
  offset = path->IncrementInput(input);
  std::cout << "Incrementing the input from 0.5 to " << input << ": " << offset << std::endl;

  if (passed)
  {
    std::cout << "Test passed" << std::endl;
    return EXIT_SUCCESS;
  }
  else
  {
    std::cout << "Test failed" << std::endl;
    return EXIT_FAILURE;
  }
}
