/////////////////////////////////////////////////////////////////////////////////
//
//  Copyright (C) 2017 Statoil ASA
//
//  ResInsight is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
//  FITNESS FOR A PARTICULAR PURPOSE.
//
//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
//  for more details.
//
/////////////////////////////////////////////////////////////////////////////////

#include "gtest/gtest.h"

#include "RigWellPath.h"

#include "cvfVector3.h"

#include <vector>

//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST( RigWellPathTest, FindWellPathCoordsIncludingIntersectionPoint )
{
    RigWellPath wellPathGeometry;
    {
        std::vector<cvf::Vec3d> wellPathPoints;
        std::vector<double>     mdValues;

        wellPathPoints.push_back( cvf::Vec3d( 0.0, 0.0, 0.0 ) );
        wellPathPoints.push_back( cvf::Vec3d( 0.0, 1.0, 0.0 ) );
        wellPathPoints.push_back( cvf::Vec3d( 0.0, 2.0, 0.0 ) );
        wellPathPoints.push_back( cvf::Vec3d( 0.0, 3.0, 0.0 ) );
        wellPathPoints.push_back( cvf::Vec3d( 0.0, 4.0, 0.0 ) );

        mdValues.push_back( 0.0 );
        mdValues.push_back( 1.0 );
        mdValues.push_back( 2.0 );
        mdValues.push_back( 3.0 );
        mdValues.push_back( 4.0 );

        wellPathGeometry.setWellPathPoints( wellPathPoints );
        wellPathGeometry.setMeasuredDepths( mdValues );
    }

    // Before first MD
    {
        auto wellPathPoints = wellPathGeometry.wellPathPointsIncludingInterpolatedIntersectionPoint( -1.0 );
        EXPECT_EQ( 5u, wellPathPoints.size() );
    }

    // Identical to first MD
    {
        auto wellPathPoints = wellPathGeometry.wellPathPointsIncludingInterpolatedIntersectionPoint( 0.0 );
        EXPECT_EQ( 5u, wellPathPoints.size() );
    }

    // Identical to second MD
    {
        auto wellPathPoints = wellPathGeometry.wellPathPointsIncludingInterpolatedIntersectionPoint( 1.0 );
        EXPECT_EQ( 5u, wellPathPoints.size() );
    }

    // Between first and second MD
    {
        auto wellPathPoints = wellPathGeometry.wellPathPointsIncludingInterpolatedIntersectionPoint( 0.3 );
        EXPECT_EQ( 6u, wellPathPoints.size() );
    }

    // Identical to lastMD
    {
        auto wellPathPoints = wellPathGeometry.wellPathPointsIncludingInterpolatedIntersectionPoint( 4.0 );
        EXPECT_EQ( 5u, wellPathPoints.size() );
    }

    // Larger than lastMD
    {
        auto wellPathPoints = wellPathGeometry.wellPathPointsIncludingInterpolatedIntersectionPoint( 10.0 );
        EXPECT_EQ( 5u, wellPathPoints.size() );
    }
}