// Copyright (C) Stichting Deltares 2017. All rights reserved.
//
// This file is part of Ringtoets.
//
// Ringtoets 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.
// 
// This program 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 for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// All names, logos, and references to "Deltares" are registered trademarks of
// Stichting Deltares and remain full property of Stichting Deltares at all times.
// All rights reserved.

using System;
using System.Collections.Generic;
using System.Linq;
using Core.Common.Base.Data;
using Core.Common.Base.Geometry;
using Core.Common.Base.TestUtil.Geometry;
using Core.Components.Chart.Data;
using NUnit.Framework;
using Rhino.Mocks;
using Ringtoets.MacroStabilityInwards.Data;
using Ringtoets.MacroStabilityInwards.Data.SoilProfile;
using Ringtoets.MacroStabilityInwards.Forms.Factories;
using Ringtoets.MacroStabilityInwards.Primitives;
using Ringtoets.MacroStabilityInwards.Primitives.TestUtil;

namespace Ringtoets.MacroStabilityInwards.Forms.Test.Factories
{
    [TestFixture]
    public class MacroStabilityInwardsChartDataPointsFactoryTest
    {
        [Test]
        public void CreateSurfaceLinePoints_SurfaceLineNull_ReturnsEmptyPointsArray()
        {
            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateSurfaceLinePoints(null);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateSurfaceLinePoints_GivenSurfaceLine_ReturnsSurfaceLinePointsArray()
        {
            // Setup
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateSurfaceLinePoints(surfaceLine);

            // Assert
            AssertEqualPointCollection(surfaceLine.LocalGeometry, points);
        }

        [Test]
        public void CreateSurfaceLevelOutsidePoint_SurfaceLineNull_ReturnsEmptyPointsArray()
        {
            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateSurfaceLevelOutsidePoint(null);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateSurfaceLevelOutsidePoint_SurfaceLevelOutsideNull_ReturnsEmptyPointsArray()
        {
            // Setup
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateSurfaceLevelOutsidePoint(surfaceLine);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateSurfaceLevelOutsidePoint_GivenSurfaceLineWithSurfaceLevelOutside_ReturnsSurfaceLevelOutsideArray()
        {
            // Setup
            var surfaceLevelOutside = new Point3D(1.2, 2.3, 4.0);
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            surfaceLine.SetSurfaceLevelOutsideAt(surfaceLevelOutside);

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateSurfaceLevelOutsidePoint(surfaceLine);

            // Assert
            AssertEqualLocalPointCollection(surfaceLevelOutside, surfaceLine, points);
        }

        [Test]
        public void CreateDikeToeAtRiverPoint_SurfaceLineNull_ReturnsEmptyPointsArray()
        {
            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateDikeToeAtRiverPoint(null);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateDikeToeAtRiverPoint_SurfaceLevelOutsideNull_ReturnsEmptyPointsArray()
        {
            // Setup
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateDikeToeAtRiverPoint(surfaceLine);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateDikeToeAtRiverPoint_GivenSurfaceLineWithDikeToeAtRiver_ReturnsDikeToeAtRiverPointsArray()
        {
            // Setup
            var dikeToeAtRiver = new Point3D(1.2, 2.3, 4.0);
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            surfaceLine.SetDikeToeAtRiverAt(dikeToeAtRiver);

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateDikeToeAtRiverPoint(surfaceLine);

            // Assert
            AssertEqualLocalPointCollection(dikeToeAtRiver, surfaceLine, points);
        }

        [Test]
        public void CreateDikeTopAtPolderPoint_SurfaceLineNull_ReturnsEmptyPointsArray()
        {
            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateDikeTopAtPolderPoint(null);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateDikeTopAtPolderPoint_DikeTopAtPolderNull_ReturnsEmptyPointsArray()
        {
            // Setup
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateDikeTopAtPolderPoint(surfaceLine);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateDikeTopAtPolderPoint_GivenSurfaceLineWithDikeTopAtPolder_ReturnsDikeTopAtPolderPointsArray()
        {
            // Setup
            var dikeTopAtPolder = new Point3D(1.2, 2.3, 4.0);
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            surfaceLine.SetDikeTopAtPolderAt(dikeTopAtPolder);

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateDikeTopAtPolderPoint(surfaceLine);

            // Assert
            AssertEqualLocalPointCollection(dikeTopAtPolder, surfaceLine, points);
        }

        [Test]
        public void CreateShoulderBaseInsidePoint_SurfaceLineNull_ReturnsEmptyPointsArray()
        {
            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateShoulderBaseInsidePoint(null);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateShoulderBaseInsidePoint_ShoulderBaseInsideNull_ReturnsEmptyPointsArray()
        {
            // Setup
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateShoulderBaseInsidePoint(surfaceLine);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateShoulderBaseInsidePoint_GivenSurfaceLineWithShoulderBaseInside_ReturnsShoulderBaseInsidePointsArray()
        {
            // Setup
            var shoulderBaseInside = new Point3D(1.2, 2.3, 4.0);
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            surfaceLine.SetShoulderBaseInsideAt(shoulderBaseInside);

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateShoulderBaseInsidePoint(surfaceLine);

            // Assert
            AssertEqualLocalPointCollection(shoulderBaseInside, surfaceLine, points);
        }

        [Test]
        public void CreateShoulderTopInsidePoint_SurfaceLineNull_ReturnsEmptyPointsArray()
        {
            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateShoulderTopInsidePoint(null);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateShoulderTopInsidePoint_ShoulderTopInsideNull_ReturnsEmptyPointsArray()
        {
            // Setup
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateShoulderTopInsidePoint(surfaceLine);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateShoulderTopInsidePoint_GivenSurfaceLineWithShoulderTopInside_ReturnsShoulderTopInsidePointsArray()
        {
            // Setup
            var shoulderTopInside = new Point3D(1.2, 2.3, 4.0);
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            surfaceLine.SetShoulderTopInsideAt(shoulderTopInside);

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateShoulderTopInsidePoint(surfaceLine);

            // Assert
            AssertEqualLocalPointCollection(shoulderTopInside, surfaceLine, points);
        }

        [Test]
        public void CreateDikeToeAtPolderPoint_SurfaceLineNull_ReturnsEmptyPointsArray()
        {
            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateDikeToeAtPolderPoint(null);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateDikeToeAtPolderPoint_DikeToeAtPolderNull_ReturnsEmptyPointsArray()
        {
            // Setup
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateDikeToeAtPolderPoint(surfaceLine);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateDikeToeAtPolderPoint_GivenSurfaceLineWithDikeToeAtPolder_ReturnsDikeToeAtPolderPointsArray()
        {
            // Setup
            var dikeToeAtPolder = new Point3D(1.2, 2.3, 4.0);
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            surfaceLine.SetDikeToeAtPolderAt(dikeToeAtPolder);

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateDikeToeAtPolderPoint(surfaceLine);

            // Assert
            AssertEqualLocalPointCollection(dikeToeAtPolder, surfaceLine, points);
        }

        [Test]
        public void CreateDikeTopAtRiverPoint_SurfaceLineNull_ReturnsEmptyPointsArray()
        {
            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateDikeTopAtRiverPoint(null);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateDikeTopAtRiverPoint_DikeTopAtRiverNull_ReturnsEmptyPointsArray()
        {
            // Setup
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateDikeTopAtRiverPoint(surfaceLine);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateDikeTopAtRiverPoint_GivenSurfaceLineWithDikeTopAtRiver_ReturnsDikeTopAtRiverPointsArray()
        {
            // Setup
            var dikeTopAtRiver = new Point3D(1.2, 2.3, 4.0);
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            surfaceLine.SetDikeTopAtRiverAt(dikeTopAtRiver);

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateDikeTopAtRiverPoint(surfaceLine);

            // Assert
            AssertEqualLocalPointCollection(dikeTopAtRiver, surfaceLine, points);
        }

        [Test]
        public void CreateDitchDikeSidePoint_SurfaceLineNull_ReturnsEmptyPointsArray()
        {
            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateDitchDikeSidePoint(null);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateDitchDikeSidePoint_DitchDikeSideNull_ReturnsEmptyPointsArray()
        {
            // Setup
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateDitchDikeSidePoint(surfaceLine);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateDitchDikeSidePoint_GivenSurfaceLineWithDitchDikeSide_ReturnsDitchDikeSidePointsArray()
        {
            // Setup
            var ditchDikeSide = new Point3D(1.2, 2.3, 4.0);
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            surfaceLine.SetDitchDikeSideAt(ditchDikeSide);

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateDitchDikeSidePoint(surfaceLine);

            // Assert
            AssertEqualLocalPointCollection(ditchDikeSide, surfaceLine, points);
        }

        [Test]
        public void CreateBottomDitchDikeSidePoint_SurfaceLineNull_ReturnsEmptyPointsArray()
        {
            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateBottomDitchDikeSidePoint(null);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateBottomDitchDikeSidePoint_BottomDitchDikeSideNull_ReturnsEmptyPointsArray()
        {
            // Setup
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateBottomDitchDikeSidePoint(surfaceLine);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateBottomDitchDikeSidePoint_GivenSurfaceLineWithBottomDitchDikeSide_ReturnsBottomDitchDikeSidePointsArray()
        {
            // Setup
            var bottomDitchDikeSide = new Point3D(1.2, 2.3, 4.0);
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            surfaceLine.SetBottomDitchDikeSideAt(bottomDitchDikeSide);

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateBottomDitchDikeSidePoint(surfaceLine);

            // Assert
            AssertEqualLocalPointCollection(bottomDitchDikeSide, surfaceLine, points);
        }

        [Test]
        public void CreateBottomDitchPolderSidePoint_SurfaceLineNull_ReturnsEmptyPointsArray()
        {
            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateBottomDitchPolderSidePoint(null);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateBottomDitchPolderSidePoint_BottomDitchPolderSideNull_ReturnsEmptyPointsArray()
        {
            // Setup
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateBottomDitchPolderSidePoint(surfaceLine);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateBottomDitchPolderSidePoint_GivenSurfaceLineWithBottomDitchPolderSide_ReturnsBottomDitchPolderSidePointsArray()
        {
            // Setup
            var bottomDitchPolderSide = new Point3D(1.2, 2.3, 4.0);
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            surfaceLine.SetBottomDitchPolderSideAt(bottomDitchPolderSide);

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateBottomDitchPolderSidePoint(surfaceLine);

            // Assert
            AssertEqualLocalPointCollection(bottomDitchPolderSide, surfaceLine, points);
        }

        [Test]
        public void CreateDitchPolderSidePoint_SurfaceLineNull_ReturnsEmptyPointsArray()
        {
            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateDitchPolderSidePoint(null);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateDitchPolderSidePoint_DitchPolderSideNull_ReturnsEmptyPointsArray()
        {
            // Setup
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateDitchPolderSidePoint(surfaceLine);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateDitchPolderSidePoint_GivenSurfaceLineWithDitchPolderSide_ReturnsDitchPolderSidePointsArray()
        {
            // Setup
            var ditchPolderSide = new Point3D(1.2, 2.3, 4.0);
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            surfaceLine.SetDitchPolderSideAt(ditchPolderSide);

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateDitchPolderSidePoint(surfaceLine);

            // Assert
            AssertEqualLocalPointCollection(ditchPolderSide, surfaceLine, points);
        }

        [Test]
        public void CreateSurfaceLevelInsidePoint_SurfaceLineNull_ReturnsEmptyPointsArray()
        {
            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateSurfaceLevelInsidePoint(null);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateSurfaceLevelInsidePoint_SurfaceLevelInsideNull_ReturnsEmptyPointsArray()
        {
            // Setup
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateSurfaceLevelInsidePoint(surfaceLine);

            // Assert
            CollectionAssert.IsEmpty(points);
        }

        [Test]
        public void CreateSurfaceLevelInsidePoint_GivenSurfaceLineWithSurfaceLevelInside_ReturnsSurfaceLevelInsidePointsArray()
        {
            // Setup
            var surfaceLevelInside = new Point3D(1.2, 2.3, 4.0);
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            surfaceLine.SetSurfaceLevelInsideAt(surfaceLevelInside);

            // Call
            Point2D[] points = MacroStabilityInwardsChartDataPointsFactory.CreateSurfaceLevelInsidePoint(surfaceLine);

            // Assert
            AssertEqualLocalPointCollection(surfaceLevelInside, surfaceLine, points);
        }

        [Test]
        public void CreateGridPoints_MacroStabilityInwardsGridNull_ReturnsEmptyPoints()
        {
            // Call
            Point2D[] gridPoints = MacroStabilityInwardsChartDataPointsFactory.CreateGridPoints(null, MacroStabilityInwardsGridDeterminationType.Manual);

            // Assert
            CollectionAssert.IsEmpty(gridPoints);
        }

        [Test]
        public void CreateGridPoints_MacroStabilityInwardsGridDeterminationTypeAutomatic_ReturnsEmptyPoints()
        {
            // Setup
            var random = new Random(21);
            var grid = new MacroStabilityInwardsGrid(random.NextDouble(),
                                                     1 + random.NextDouble(),
                                                     1 + random.NextDouble(),
                                                     random.NextDouble())
            {
                NumberOfHorizontalPoints = random.Next(1, 100),
                NumberOfVerticalPoints = random.Next(1, 100)
            };

            // Call
            Point2D[] gridPoints = MacroStabilityInwardsChartDataPointsFactory.CreateGridPoints(grid, MacroStabilityInwardsGridDeterminationType.Automatic);

            // Assert
            CollectionAssert.IsEmpty(gridPoints);
        }

        [Test]
        [TestCaseSource(nameof(GetGridSettingsNoGridPoints))]
        public void CreateGridPoints_MacroStabilityInwardsGridNumberOfPointsNoGrid_ReturnsEmptyPoints(MacroStabilityInwardsGrid grid)
        {
            // Call
            Point2D[] gridPoints = MacroStabilityInwardsChartDataPointsFactory.CreateGridPoints(grid, MacroStabilityInwardsGridDeterminationType.Manual);

            // Assert
            CollectionAssert.IsEmpty(gridPoints);
        }

        [Test]
        [TestCaseSource(nameof(GetGridSettingsOnePoint))]
        public void CreateGridPoints_MacroStabilityInwardsGridNumberOfPointsOnePoint_AlwaysReturnsBottomLeftPoint(
            MacroStabilityInwardsGrid grid)
        {
            // Call
            Point2D[] gridPoints = MacroStabilityInwardsChartDataPointsFactory.CreateGridPoints(grid, MacroStabilityInwardsGridDeterminationType.Manual);

            // Assert
            AssertEqualPointCollection(new[]
            {
                new Point2D(grid.XLeft, grid.ZBottom)
            }, gridPoints);
        }

        [Test]
        [TestCaseSource(nameof(GetGridSettingsOnlyHorizontalPoints))]
        public void CreateGridPoints_MacroStabilityInwardsGridSettingsOnlyHorizontalPoints_ReturnsGridPointsAtBottomSide(
            MacroStabilityInwardsGrid grid, Point2D[] expectedPoints)
        {
            // Call
            Point2D[] gridPoints = MacroStabilityInwardsChartDataPointsFactory.CreateGridPoints(grid, MacroStabilityInwardsGridDeterminationType.Manual);

            // Assert
            AssertEqualPointCollection(expectedPoints, gridPoints);
        }

        [Test]
        [TestCaseSource(nameof(GetGridSettingsOnlyVerticalPoints))]
        public void CreateGridPoints_CreateGridPoints_MacroStabilityInwardsGridSettingsOnlyVerticallPoints_ReturnsGridPointsAtLeftSide
            (MacroStabilityInwardsGrid grid, Point2D[] expectedPoints)
        {
            // Call
            Point2D[] gridPoints = MacroStabilityInwardsChartDataPointsFactory.CreateGridPoints(grid, MacroStabilityInwardsGridDeterminationType.Manual);

            // Assert
            AssertEqualPointCollection(expectedPoints, gridPoints);
        }

        [Test]
        [TestCaseSource(nameof(GetWellDefinedGridSettings))]
        public void CreateGridPoints_MacroStabilityInwardsWellDefinedGrid_ReturnsExpectedGridPoints(
            MacroStabilityInwardsGrid grid, Point2D[] expectedPoints)
        {
            // Call
            Point2D[] gridPoints = MacroStabilityInwardsChartDataPointsFactory.CreateGridPoints(grid, MacroStabilityInwardsGridDeterminationType.Manual);

            // Assert
            AssertEqualPointCollection(expectedPoints, gridPoints);
        }

        [Test]
        public void CreateHolesAreas_SoilProfileNull_ReturnsEmptyAreaCollection()
        {
            // Call
            IEnumerable<Point2D[]> holes = MacroStabilityInwardsChartDataPointsFactory.CreateHolesAreas(null);

            // Assert
            CollectionAssert.IsEmpty(holes);
        }

        [Test]
        public void CreateHolesAreas_SoilProfileWithoutHoles_ReturnsEmptyAreaCollection()
        {
            // Setup
            var soilProfile = new MacroStabilityInwardsSoilProfileUnderSurfaceLine(new IMacroStabilityInwardsSoilLayerUnderSurfaceLine[0],
                                                                                   new IMacroStabilityInwardsPreconsolidationStress[0]);

            // Call
            IEnumerable<Point2D[]> holes = MacroStabilityInwardsChartDataPointsFactory.CreateHolesAreas(soilProfile);

            // Assert
            CollectionAssert.IsEmpty(holes);
        }

        [Test]
        public void CreateHolesAreas_SoilProfileWithHoles_ReturnsHolesAreaCollection()
        {
            // Setup
            var mocks = new MockRepository();
            var holesLayer1 = new[]
            {
                new[]
                {
                    new Point2D(2.0, 2.0),
                    new Point2D(6.0, 2.0),
                    new Point2D(4.0, 4.0)
                }
            };
            var holesLayer2 = new[]
            {
                new[]
                {
                    new Point2D(3.0, 3.0),
                    new Point2D(7.0, 3.0),
                    new Point2D(5.0, 5.0)
                }
            };

            var soilProfile = mocks.Stub<IMacroStabilityInwardsSoilProfileUnderSurfaceLine>();
            var soilLayer1 = mocks.Stub<IMacroStabilityInwardsSoilLayerUnderSurfaceLine>();
            soilLayer1.Stub(l => l.Holes).Return(holesLayer1);

            var soilLayer2 = mocks.Stub<IMacroStabilityInwardsSoilLayerUnderSurfaceLine>();
            soilLayer2.Stub(l => l.Holes).Return(holesLayer2);

            soilProfile.Stub(p => p.Layers).Return(new[]
            {
                soilLayer1,
                soilLayer2
            });
            mocks.ReplayAll();

            // Call
            IEnumerable<Point2D[]> holesChartData = MacroStabilityInwardsChartDataPointsFactory.CreateHolesAreas(soilProfile);

            // Assert
            IEnumerable<Point2D[]> expectedHoles = holesLayer1.Concat(holesLayer2);
            CollectionAssert.AreEqual(expectedHoles, holesChartData);

            mocks.VerifyAll();
        }

        [Test]
        public void CreateOuterRingArea_SoilLayerNull_ReturnsEmptyAreaCollection()
        {
            // Call
            IEnumerable<Point2D[]> outerRing = MacroStabilityInwardsChartDataPointsFactory.CreateOuterRingArea(null);

            // Assert
            CollectionAssert.IsEmpty(outerRing);
        }

        [Test]
        public void CreateOuterRingArea_WithSoilLayer_ReturnsOuterRingArea()
        {
            // Setup
            var mocks = new MockRepository();
            var outerRing = new[]
            {
                new Point2D(0.0, 10.0),
                new Point2D(10.0, 10.0),
                new Point2D(10.0, 0.0),
                new Point2D(0.0, 0.0)
            };

            var layer = mocks.Stub<IMacroStabilityInwardsSoilLayerUnderSurfaceLine>();
            layer.Stub(l => l.OuterRing).Return(outerRing);

            mocks.ReplayAll();

            // Call
            IEnumerable<Point2D[]> outerRingChartData = MacroStabilityInwardsChartDataPointsFactory.CreateOuterRingArea(layer);

            // Assert
            CollectionAssert.AreEqual(new[]
            {
                outerRing
            }, outerRingChartData);

            mocks.VerifyAll();
        }

        [Test]
        public void CreatePhreaticLinePoints_PhreaticLineNull_ReturnsEmptyPointsArray()
        {
            // Call
            Point2D[] line = MacroStabilityInwardsChartDataPointsFactory.CreatePhreaticLinePoints(null);

            // Assert
            CollectionAssert.IsEmpty(line);
        }

        [Test]
        public void CreatePhreaticLinePoints_WithPhreaticLine_ReturnsEmptyPointsArray()
        {
            // Setup
            var points = new[]
            {
                new Point2D(0, 0),
                new Point2D(10, 10),
                new Point2D(5, 4)
            };

            // Call
            Point2D[] line = MacroStabilityInwardsChartDataPointsFactory.CreatePhreaticLinePoints(new MacroStabilityInwardsPhreaticLine("Test",
                                                                                                                                        points));

            // Assert
            CollectionAssert.AreEqual(points, line);
        }

        [Test]
        public void CreateWaternetZonePoints_WaternetLineNull_ReturnsEmptyPointsArray()
        {
            // Setup
            MacroStabilityInwardsSurfaceLine surfaceLine = GetSurfaceLineWithGeometry();

            // Call
            Point2D[] zone = MacroStabilityInwardsChartDataPointsFactory.CreateWaternetZonePoints(null, surfaceLine);

            // Assert
            CollectionAssert.IsEmpty(zone);
        }

        [Test]
        public void CreateWaternetZonePoints_SurfaceLineNull_ReturnsEmptyPointsArray()
        {
            // Setup
            var waternetLine = new TestMacroStabilityInwardsWaternetLine();

            // Call
            Point2D[] zone = MacroStabilityInwardsChartDataPointsFactory.CreateWaternetZonePoints(waternetLine, null);

            // Assert
            CollectionAssert.IsEmpty(zone);
        }

        [Test]
        public void CreateWaternetZonePoints_WaternetLineAndPhreaticLineBelowSurfaceLine_ReturnsPointsArray()
        {
            // Setup
            var waternetLineGeometry = new[]
            {
                new Point2D(0, -2),
                new Point2D(10, -2)
            };
            var phreaticLineGeometry = new[]
            {
                new Point2D(0, 0),
                new Point2D(10, 0)
            };

            var waternetLine = new MacroStabilityInwardsWaternetLine(
                "Line",
                waternetLineGeometry,
                new MacroStabilityInwardsPhreaticLine("Line 2",
                                                      phreaticLineGeometry));

            var surfaceLine = new MacroStabilityInwardsSurfaceLine("Test");
            surfaceLine.SetGeometry(new[]
            {
                new Point3D(0, 2, 2),
                new Point3D(10, 2, 2)
            });

            // Call
            Point2D[] zone = MacroStabilityInwardsChartDataPointsFactory.CreateWaternetZonePoints(waternetLine, surfaceLine);

            // Assert
            CollectionAssert.AreEqual(waternetLineGeometry.Reverse().Concat(phreaticLineGeometry), zone);
        }

        [Test]
        public void CreateWaternetZonePoints_PhreaticLineAboveSurfaceLineIntersectionPointNotCoordinate_ReturnsPointsArray()
        {
            // Setup
            var waternetLineGeometry = new[]
            {
                new Point2D(0, -2),
                new Point2D(10, -2)
            };
            var phreaticLineGeometry = new[]
            {
                new Point2D(0, 6),
                new Point2D(2, 4),
                new Point2D(10, 0)
            };

            var waternetLine = new MacroStabilityInwardsWaternetLine(
                "Line",
                waternetLineGeometry,
                new MacroStabilityInwardsPhreaticLine("Line 2",
                                                      phreaticLineGeometry));

            var surfaceLine = new MacroStabilityInwardsSurfaceLine("Test");
            surfaceLine.SetGeometry(new[]
            {
                new Point3D(0, 2, 2),
                new Point3D(3, 10, 10),
                new Point3D(6, 8, 8),
                new Point3D(10, 2, 2)
            });

            // Call
            Point2D[] zone = MacroStabilityInwardsChartDataPointsFactory.CreateWaternetZonePoints(waternetLine, surfaceLine);

            // Assert
            CollectionAssert.AreEqual(new[]
            {
                new Point2D(10, -2),
                new Point2D(0, -2),
                new Point2D(0, 2),
                new Point2D(1.09, 4.91),
                new Point2D(2, 4),
                new Point2D(10, 0)
            }, zone, new Point2DComparerWithTolerance(1e-2));
        }

        [Test]
        public void CreateWaternetZonePoints_PhreaticLineAboveSurfaceLineIntersectionPointCoordinate_ReturnsPointsArray()
        {
            // Setup
            var waternetLineGeometry = new[]
            {
                new Point2D(0, -2),
                new Point2D(10, -2)
            };
            var phreaticLineGeometry = new[]
            {
                new Point2D(0, 6),
                new Point2D(4, 6),
                new Point2D(8, 2)
            };

            var waternetLine = new MacroStabilityInwardsWaternetLine(
                "Line",
                waternetLineGeometry,
                new MacroStabilityInwardsPhreaticLine("Line 2",
                                                      phreaticLineGeometry));

            var surfaceLine = new MacroStabilityInwardsSurfaceLine("Test");
            surfaceLine.SetGeometry(new[]
            {
                new Point3D(0, 2, 2),
                new Point3D(3, 2, 2),
                new Point3D(6, 8, 8),
                new Point3D(10, 2, 2)
            });

            // Call
            Point2D[] zone = MacroStabilityInwardsChartDataPointsFactory.CreateWaternetZonePoints(waternetLine, surfaceLine);

            // Assert
            CollectionAssert.AreEqual(new[]
            {
                new Point2D(10, -2),
                new Point2D(0, -2),
                new Point2D(0, 2),
                new Point2D(3, 2),
                new Point2D(4, 4),
                new Point2D(4.67, 5.33),
                new Point2D(8, 2)
            }, zone, new Point2DComparerWithTolerance(1e-2));
        }

        [Test]
        public void SetEmptyAreas_ChartMultipleAreaDataNull_ThrowsArgumentNullException()
        {
            // Call
            TestDelegate call = () => MacroStabilityInwardsChartDataPointsFactory.SetEmptyAreas(null);

            // Assert
            string paramName = Assert.Throws<ArgumentNullException>(call).ParamName;
            Assert.AreEqual("chartMultipleAreaData", paramName);
        }

        [Test]
        public void SetEmptyAreas_WithChartMultipleAreaDataContainingAreas_SetsEmptyAreasToChartMultipleAreaData()
        {
            // Setup
            var chartData = new[]
            {
                new ChartMultipleAreaData("Layer 1")
                {
                    Areas = new[]
                    {
                        new Point2D[0]
                    }
                },
                new ChartMultipleAreaData("Layer 2")
                {
                    Areas = new[]
                    {
                        new Point2D[0]
                    }
                }
            };

            // Call
            MacroStabilityInwardsChartDataPointsFactory.SetEmptyAreas(chartData);

            // Assert
            foreach (ChartMultipleAreaData chartMultipleAreaData in chartData)
            {
                CollectionAssert.IsEmpty(chartMultipleAreaData.Areas);
            }
        }

        private static void AssertEqualPointCollection(IEnumerable<Point2D> points, IEnumerable<Point2D> chartPoints)
        {
            CollectionAssert.AreEqual(points, chartPoints);
        }

        private static void AssertEqualLocalPointCollection(Point3D point, MacroStabilityInwardsSurfaceLine surfaceLine, IEnumerable<Point2D> chartPoints)
        {
            Point3D first = surfaceLine.Points.First();
            Point3D last = surfaceLine.Points.Last();
            var firstPoint = new Point2D(first.X, first.Y);
            var lastPoint = new Point2D(last.X, last.Y);

            Point2D localCoordinate = point.ProjectIntoLocalCoordinates(firstPoint, lastPoint);
            AssertEqualPointCollection(new[]
            {
                new Point2D(new RoundedDouble(2, localCoordinate.X), new RoundedDouble(2, localCoordinate.Y))
            }, chartPoints);
        }

        private static MacroStabilityInwardsSurfaceLine GetSurfaceLineWithGeometry()
        {
            var surfaceLine = new MacroStabilityInwardsSurfaceLine(string.Empty);

            surfaceLine.SetGeometry(new[]
            {
                new Point3D(1.2, 2.3, 4.0),
                new Point3D(2.7, 2.8, 6.0)
            });

            return surfaceLine;
        }

        #region TestData

        private static IEnumerable<TestCaseData> GetGridSettingsNoGridPoints()
        {
            var random = new Random(21);

            double xLeft = random.NextDouble();
            double xRight = 1 + random.NextDouble();
            double zTop = 1 + random.NextDouble();
            double zBottom = random.NextDouble();

            yield return new TestCaseData(new MacroStabilityInwardsGrid(double.NaN, xRight, zTop, zBottom)
            {
                NumberOfHorizontalPoints = 1,
                NumberOfVerticalPoints = 1
            }).SetName("XLeftNaN");
            yield return new TestCaseData(new MacroStabilityInwardsGrid(xLeft, double.NaN, zTop, zBottom)
            {
                NumberOfHorizontalPoints = 1,
                NumberOfVerticalPoints = 1
            }).SetName("XRightNaN");
            yield return new TestCaseData(new MacroStabilityInwardsGrid(xLeft, xRight, double.NaN, zBottom)
            {
                NumberOfHorizontalPoints = 1,
                NumberOfVerticalPoints = 1
            }).SetName("ZTopNaN");
            yield return new TestCaseData(new MacroStabilityInwardsGrid(xLeft, xRight, zTop, double.NaN)
            {
                NumberOfHorizontalPoints = 1,
                NumberOfVerticalPoints = 1
            }).SetName("ZBottomNaN");
        }

        private static IEnumerable<TestCaseData> GetGridSettingsOnlyHorizontalPoints()
        {
            var gridRightLargerThanLeft = new MacroStabilityInwardsGrid(1, 4, 3, 1)
            {
                NumberOfHorizontalPoints = 4,
                NumberOfVerticalPoints = 1
            };
            yield return new TestCaseData(gridRightLargerThanLeft, new[]
            {
                new Point2D(gridRightLargerThanLeft.XLeft, gridRightLargerThanLeft.ZBottom),
                new Point2D(2, gridRightLargerThanLeft.ZBottom),
                new Point2D(3, gridRightLargerThanLeft.ZBottom),
                new Point2D(gridRightLargerThanLeft.XRight, gridRightLargerThanLeft.ZBottom)
            }).SetName("XRight > XLeft");
        }

        private static IEnumerable<TestCaseData> GetGridSettingsOnlyVerticalPoints()
        {
            var gridTopLargerThanBottom = new MacroStabilityInwardsGrid(1, 3, 4, 1)
            {
                NumberOfHorizontalPoints = 1,
                NumberOfVerticalPoints = 4
            };
            yield return new TestCaseData(gridTopLargerThanBottom, new[]
            {
                new Point2D(gridTopLargerThanBottom.XLeft, gridTopLargerThanBottom.ZBottom),
                new Point2D(gridTopLargerThanBottom.XLeft, 2),
                new Point2D(gridTopLargerThanBottom.XLeft, 3),
                new Point2D(gridTopLargerThanBottom.XLeft, gridTopLargerThanBottom.ZTop)
            }).SetName("ZTop > ZBottom");
        }

        private static IEnumerable<TestCaseData> GetGridSettingsOnePoint()
        {
            const double zBottom = 1.0;

            var grid = new MacroStabilityInwardsGrid(1, 2, 3, zBottom)
            {
                NumberOfHorizontalPoints = 1,
                NumberOfVerticalPoints = 1
            };
            yield return new TestCaseData(grid).SetName("XRight > XLeft, ZTop > ZBottom");
        }

        private static IEnumerable<TestCaseData> GetWellDefinedGridSettings()
        {
            var grid = new MacroStabilityInwardsGrid(1, 3, 3, 1)
            {
                NumberOfHorizontalPoints = 3,
                NumberOfVerticalPoints = 3
            };
            yield return new TestCaseData(grid, new[]
            {
                new Point2D(grid.XLeft, grid.ZBottom),
                new Point2D(2, grid.ZBottom),
                new Point2D(grid.XRight, grid.ZBottom),
                new Point2D(grid.XLeft, 2),
                new Point2D(2, 2),
                new Point2D(grid.XRight, 2),
                new Point2D(grid.XLeft, grid.ZTop),
                new Point2D(2, grid.ZTop),
                new Point2D(grid.XRight, grid.ZTop)
            }).SetName("XRight > XLeft, ZTop > ZBottom");
        }

        #endregion
    }
}