/*
 * Copyright (C) 2005-2020 Centre National d'Etudes Spatiales (CNES)
 *
 * This file is part of Orfeo Toolbox
 *
 *     https://www.orfeo-toolbox.org/
 *
 * 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
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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 <iomanip>

#include "otbMapProjectionAdapter.h"

int otbMapProjectionAdapterTest(int itkNotUsed(argc), char* argv[])
{
  const char*   outFileName = argv[1];
  std::ofstream file;
  file.open(outFileName);

  file << std::setprecision(15);

  {
    /** Test the ability to instantiate a projection from a wkt string*/
    std::string projectionRefWkt =
        "PROJCS[\"UTM Zone 31, Northern Hemisphere\", GEOGCS[\"WGS 84\", DATUM[\"WGS_1984\", SPHEROID[\"WGS 84\", 6378137, 298.257223563, "
        "AUTHORITY[\"EPSG\",\"7030\"]], TOWGS84[0, 0, 0, 0, 0, 0, 0], AUTHORITY[\"EPSG\",\"6326\"]], PRIMEM[\"Greenwich\", 0, AUTHORITY[\"EPSG\",\"8901\"]], "
        "UNIT[\"degree\", 0.0174532925199433, AUTHORITY[\"EPSG\",\"9108\"]], AXIS[\"Lat\", NORTH], AXIS[\"Long\", EAST], AUTHORITY[\"EPSG\",\"4326\"]], "
        "PROJECTION[\"Transverse_Mercator\"], PARAMETER[\"latitude_of_origin\", 0], PARAMETER[\"central_meridian\", 3], PARAMETER[\"scale_factor\", 0.9996], "
        "PARAMETER[\"false_easting\", 500000], PARAMETER[\"false_northing\", 0], UNIT[\"Meter\", 1]]";

    otb::MapProjectionAdapter::Pointer genericMapProjection = otb::MapProjectionAdapter::New();
    genericMapProjection->SetWkt(projectionRefWkt);
    file << "Instantiating from : " << projectionRefWkt << std::endl;
    file << genericMapProjection->GetWkt() << std::endl << std::endl;

    double lon = 1.44;
    double lat = 43.6050;
    double h   = 10;
    double x   = 0;
    double y   = 0;
    double z   = 0;
    genericMapProjection->ForwardTransform(lon, lat, h, x, y, z);
    file << "Forward projection: " << std::endl;
    file << lon << ", " << lat << ", " << h << " -> ";
    file << x << ", " << y << ", " << z;
    file << std::endl << std::endl;

    genericMapProjection->InverseTransform(x, y, z, lon, lat, h);
    file << "Inverse projection: " << std::endl;
    file << x << ", " << y << ", " << z << " -> ";
    file << lon << ", " << lat << ", " << h;
    file << std::endl << std::endl;
  }

  file.close();
  return EXIT_SUCCESS;
}
