// Copyright (C) Stichting Deltares 2016. 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.Components.Gis.Features;
using Core.Components.Gis.Geometries;
using NUnit.Framework;
using Ringtoets.Common.Data;
using Ringtoets.Common.Data.AssessmentSection;
using Ringtoets.Common.Data.DikeProfiles;
using Ringtoets.Common.Data.FailureMechanism;
using Ringtoets.Common.Data.Hydraulics;
using Ringtoets.Common.Data.Structures;
using Ringtoets.Common.Data.TestUtil;
using Ringtoets.Common.Forms.PresentationObjects;
using Ringtoets.Common.Forms.Views;

namespace Ringtoets.Common.Forms.Test.Views
{
    [TestFixture]
    public class RingtoetsMapDataFeaturesFactoryTest
    {
        [Test]
        public void CreateSingleLineMapFeature_PointsNull_ThrowArgumentNullException()
        {
            // Call
            TestDelegate call = () => RingtoetsMapDataFeaturesFactory.CreateSingleLineMapFeature(null);

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

        [Test]
        public void CreateSingleLineMapFeature_WithPoints_ReturnMapFeatureWithLineGeometry()
        {
            // Setup
            var points = new[]
            {
                new Point2D(1.1, 2.2),
                new Point2D(3.3, 4.4)
            };

            // Call
            MapFeature feature = RingtoetsMapDataFeaturesFactory.CreateSingleLineMapFeature(points);

            // Assert
            Assert.AreEqual(1, feature.MapGeometries.Count());
            Assert.AreEqual(1, feature.MapGeometries.First().PointCollections.Count());
            CollectionAssert.AreEqual(points, feature.MapGeometries.First().PointCollections.First());

            CollectionAssert.IsEmpty(feature.MetaData);
        }

        [Test]
        public void CreateReferenceLineFeatures_ReferenceLineNull_ReturnsEmptyFeaturesArray()
        {
            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateReferenceLineFeatures(null, string.Empty, string.Empty);

            // Assert
            CollectionAssert.IsEmpty(features);
        }

        [Test]
        public void CreateReferenceLineFeatures_GivenReferenceLine_ReturnsReferenceLineFeaturesArray()
        {
            // Setup
            const string id = "1";
            const string name = "Traject 1";

            var points = new[]
            {
                new Point2D(1.2, 2.3),
                new Point2D(2.7, 2.0)
            };
            var referenceLine = new ReferenceLine();
            referenceLine.SetGeometry(points);

            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateReferenceLineFeatures(referenceLine, id, name);

            // Assert
            MapFeature mapFeature = features[0];
            Assert.AreEqual(3, mapFeature.MetaData.Keys.Count);
            Assert.AreEqual(id, mapFeature.MetaData["ID"]);
            Assert.AreEqual(name, mapFeature.MetaData["Naam"]);

            RoundedDouble expectedLength = new RoundedDouble(2, Math2D.Length(points));
            Assert.AreEqual(expectedLength, (RoundedDouble) mapFeature.MetaData["Lengte"], expectedLength.GetAccuracy());
            AssertEqualPointCollections(points, mapFeature.MapGeometries.ElementAt(0));
        }

        [Test]
        public void CreateHydraulicBoundaryDatabaseFeatures_HydraulicBoundaryDatabaseNull_ReturnsEmptyFeaturesArray()
        {
            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateHydraulicBoundaryDatabaseFeatures(null);

            // Assert
            CollectionAssert.IsEmpty(features);
        }

        [Test]
        public void CreateHydraulicBoundaryDatabaseFeatures_GivenHydraulicBoundaryDatabase_ReturnsLocationFeaturesArray()
        {
            // Setup
            var points = new[]
            {
                new Point2D(1.2, 2.3),
                new Point2D(2.7, 2.0)
            };
            var hydraulicBoundaryDatabase = new HydraulicBoundaryDatabase();
            hydraulicBoundaryDatabase.Locations.AddRange(points.Select(p => new HydraulicBoundaryLocation(0, "", p.X, p.Y)));

            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateHydraulicBoundaryDatabaseFeatures(hydraulicBoundaryDatabase);

            // Assert
            List<HydraulicBoundaryLocation> hydraulicBoundaryLocations = hydraulicBoundaryDatabase.Locations;
            Assert.AreEqual(hydraulicBoundaryLocations.Count, features.Length);
            for (int i = 0; i < hydraulicBoundaryLocations.Count; i++)
            {
                Assert.AreEqual(4, features[i].MetaData.Keys.Count);
                Assert.AreEqual(hydraulicBoundaryLocations[i].Id, features[i].MetaData["ID"]);
                Assert.AreEqual(hydraulicBoundaryLocations[i].Name, features[i].MetaData["Naam"]);
                Assert.AreEqual(hydraulicBoundaryLocations[i].DesignWaterLevel, features[i].MetaData["Toetspeil"]);
                Assert.AreEqual(hydraulicBoundaryLocations[i].WaveHeight, features[i].MetaData["Golfhoogte"]);
            }

            AssertEqualFeatureCollections(points, features);
        }

        [Test]
        public void CreateHydraulicBoundaryLocationFeatures_HydraulicBoundaryLocationsArrayEmpty_ReturnsEmptyFeaturesArray()
        {
            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateHydraulicBoundaryLocationFeatures(
                new HydraulicBoundaryLocation[0], string.Empty, string.Empty);

            // Assert
            CollectionAssert.IsEmpty(features);
        }

        [Test]
        public void CreateHydraulicBoundaryLocationFeatures_HydraulicBoundaryLocationsNull_ThrowArgumentNullException()
        {
            // Call
            TestDelegate test = () => RingtoetsMapDataFeaturesFactory.CreateHydraulicBoundaryLocationFeatures(
                null, string.Empty, string.Empty);

            // Assert
            var exception = Assert.Throws<ArgumentNullException>(test);
            Assert.AreEqual("hydraulicBoundaryLocations", exception.ParamName);
        }

        [Test]
        public void CreateHydraulicBoundaryLocationFeatures_DesignWaterLevelAttributeNameNull_ThrowArgumentNullException()
        {
            // Call
            TestDelegate test = () => RingtoetsMapDataFeaturesFactory.CreateHydraulicBoundaryLocationFeatures(
                new HydraulicBoundaryLocation[0], null, string.Empty);

            // Assert
            var exception = Assert.Throws<ArgumentNullException>(test);
            Assert.AreEqual("designWaterLevelAttributeName", exception.ParamName);
        }

        [Test]
        public void CreateHydraulicBoundaryLocationFeatures_WaveHeightAttributeNameNull_ThrowArgumentNullException()
        {
            // Call
            TestDelegate test = () => RingtoetsMapDataFeaturesFactory.CreateHydraulicBoundaryLocationFeatures(
                new HydraulicBoundaryLocation[0], string.Empty, null);

            // Assert
            var exception = Assert.Throws<ArgumentNullException>(test);
            Assert.AreEqual("waveHeightAttributeName", exception.ParamName);
        }

        [Test]
        public void CreateHydraulicBoundaryLocationFeatures_GivenHydraulicBoundaryLocations_ReturnsLocationFeaturesArray()
        {
            // Setup
            const string designWaterLevelAttributeName = "Toetspeil";
            const string waveheightAttributeName = "Golfhoogte";

            var points = new[]
            {
                new Point2D(1.2, 2.3),
                new Point2D(2.7, 2.0)
            };
            var hydraulicBoundaryDatabase = new HydraulicBoundaryDatabase();
            hydraulicBoundaryDatabase.Locations.AddRange(points.Select(p => new HydraulicBoundaryLocation(0, "", p.X, p.Y)));

            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateHydraulicBoundaryLocationFeatures(hydraulicBoundaryDatabase.Locations.ToArray(),
                                                                                                            designWaterLevelAttributeName,
                                                                                                            waveheightAttributeName);

            // Assert
            List<HydraulicBoundaryLocation> hydraulicBoundaryLocations = hydraulicBoundaryDatabase.Locations;
            Assert.AreEqual(hydraulicBoundaryLocations.Count, features.Length);
            for (int i = 0; i < hydraulicBoundaryLocations.Count; i++)
            {
                Assert.AreEqual(4, features[i].MetaData.Keys.Count);
                Assert.AreEqual(hydraulicBoundaryLocations[i].Id, features[i].MetaData["ID"]);
                Assert.AreEqual(hydraulicBoundaryLocations[i].Name, features[i].MetaData["Naam"]);
                Assert.AreEqual(hydraulicBoundaryLocations[i].DesignWaterLevel, features[i].MetaData[designWaterLevelAttributeName]);
                Assert.AreEqual(hydraulicBoundaryLocations[i].WaveHeight, features[i].MetaData[waveheightAttributeName]);
            }

            AssertEqualFeatureCollections(points, features);
        }

        [Test]
        public void CreateFailureMechanismSectionFeatures_SectionsNull_ReturnsEmptyFeaturesArray()
        {
            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateFailureMechanismSectionFeatures(null);

            // Assert
            CollectionAssert.IsEmpty(features);
        }

        [Test]
        public void CreateFailureMechanismSectionFeatures_NoSections_ReturnsEmptyFeaturesArray()
        {
            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateFailureMechanismSectionFeatures(
                Enumerable.Empty<FailureMechanismSection>());

            // Assert
            CollectionAssert.IsEmpty(features);
        }

        [Test]
        public void CreateFailureMechanismSectionFeatures_GivenSections_ReturnsSectionFeaturesArray()
        {
            // Setup
            const string sectionName1 = "section 1";
            const string sectionName2 = "section 2";

            var pointsOne = new[]
            {
                new Point2D(1.2, 2.3),
                new Point2D(2.7, 2.0)
            };
            var pointsTwo = new[]
            {
                new Point2D(3.2, 23.3),
                new Point2D(7.7, 12.6)
            };

            var sections = new[]
            {
                new FailureMechanismSection(sectionName1, pointsOne),
                new FailureMechanismSection(sectionName2, pointsTwo)
            };

            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateFailureMechanismSectionFeatures(sections);

            // Assert
            Assert.AreEqual(2, features.Length);
            for (int i = 0; i < features.Length; i++)
            {
                Assert.AreEqual(1, features[i].MapGeometries.Count());
                Assert.AreEqual(2, features[i].MetaData.Keys.Count);

                Assert.AreEqual(sections[i].Name, features[i].MetaData["Naam"]);
                RoundedDouble expectedLength = new RoundedDouble(2, Math2D.Length(sections[i].Points));
                Assert.AreEqual(expectedLength, (RoundedDouble) features[i].MetaData["Lengte"], expectedLength.GetAccuracy());

                AssertEqualPointCollections(sections[i].Points, features[i].MapGeometries.First());
            }
        }

        [Test]
        public void CreateFailureMechanismSectionStartPointFeatures_SectionsNull_ReturnsEmptyFeaturesArray()
        {
            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateFailureMechanismSectionStartPointFeatures(null);

            // Assert
            CollectionAssert.IsEmpty(features);
        }

        [Test]
        public void CreateFailureMechanismSectionStartPointFeatures_NoSections_ReturnsEmptyFeaturesArray()
        {
            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateFailureMechanismSectionStartPointFeatures(Enumerable.Empty<FailureMechanismSection>());

            // Assert
            CollectionAssert.IsEmpty(features);
        }

        [Test]
        public void CreateFailureMechanismSectionStartPointFeatures_GivenSections_ReturnsSectionBeginPointFeaturesArray()
        {
            // Setup
            var pointsOne = new[]
            {
                new Point2D(1.2, 2.3),
                new Point2D(2.7, 2.0)
            };
            var pointsTwo = new[]
            {
                new Point2D(3.2, 23.3),
                new Point2D(7.7, 12.6)
            };
            var sections = new[]
            {
                new FailureMechanismSection(string.Empty, pointsOne),
                new FailureMechanismSection(string.Empty, pointsTwo)
            };

            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateFailureMechanismSectionStartPointFeatures(sections);

            // Assert
            Assert.AreEqual(1, features.Length);
            Assert.AreEqual(1, features[0].MapGeometries.Count());
            AssertEqualPointCollections(new[]
            {
                pointsOne[0],
                pointsTwo[0]
            }, features[0].MapGeometries.ElementAt(0));
        }

        [Test]
        public void CreateFailureMechanismSectionEndPointFeatures_SectionsNull_ReturnsEmptyFeaturesArray()
        {
            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateFailureMechanismSectionEndPointFeatures(null);

            // Assert
            CollectionAssert.IsEmpty(features);
        }

        [Test]
        public void CreateFailureMechanismSectionEndPointFeatures_NoSections_ReturnsEmptyFeaturesArray()
        {
            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateFailureMechanismSectionEndPointFeatures(Enumerable.Empty<FailureMechanismSection>());

            // Assert
            CollectionAssert.IsEmpty(features);
        }

        [Test]
        public void CreateFailureMechanismSectionEndPointFeatures_GivenSections_ReturnsSectionEndPointFeaturesArray()
        {
            // Setup
            var pointsOne = new[]
            {
                new Point2D(1.2, 2.3),
                new Point2D(2.7, 2.0)
            };
            var pointsTwo = new[]
            {
                new Point2D(3.2, 23.3),
                new Point2D(7.7, 12.6)
            };
            var sections = new[]
            {
                new FailureMechanismSection(string.Empty, pointsOne),
                new FailureMechanismSection(string.Empty, pointsTwo)
            };

            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateFailureMechanismSectionEndPointFeatures(sections);

            // Assert
            Assert.AreEqual(1, features.Length);
            Assert.AreEqual(1, features[0].MapGeometries.Count());
            AssertEqualPointCollections(new[]
            {
                pointsOne[1],
                pointsTwo[1]
            }, features[0].MapGeometries.ElementAt(0));
        }

        [Test]
        public void CreateStructuresFeatures_NullStructures_ReturnsEmptyCollection()
        {
            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateStructuresFeatures(null);

            // Assert
            CollectionAssert.IsEmpty(features);
        }

        [Test]
        public void CreateStructuresFeatures_EmptyStructures_ReturnsEmptyCollection()
        {
            // Setup
            var structures = Enumerable.Empty<StructureBase>();

            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateStructuresFeatures(structures);

            // Assert
            CollectionAssert.IsEmpty(features);
        }

        [Test]
        public void CreateStructuresFeatures_WithStructures_ReturnsCollectionWithFeatures()
        {
            // Setup
            var structure1 = new SimpleStructure(new Point2D(1.1, 2.2), "A");
            var structure2 = new SimpleStructure(new Point2D(3.3, 4.4), "B");

            var structures = new[]
            {
                structure1,
                structure2
            };

            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateStructuresFeatures(structures);

            // Assert
            Assert.AreEqual(2, features.Length);
            Assert.AreEqual(1, features[0].MapGeometries.Count());
            Assert.AreEqual(1, features[1].MapGeometries.Count());
            var mapDataGeometryOne = features[0].MapGeometries.ElementAt(0).PointCollections.First().ToArray();
            var mapDataGeometryTwo = features[1].MapGeometries.ElementAt(0).PointCollections.First().ToArray();
            Assert.AreEqual(1, mapDataGeometryOne.Length);
            Assert.AreEqual(1, mapDataGeometryTwo.Length);
            Assert.AreEqual(structure1.Location, mapDataGeometryOne[0]);
            Assert.AreEqual(structure2.Location, mapDataGeometryTwo[0]);

            const int expectedNumberOfMetaDataOptions = 1;
            Assert.AreEqual(expectedNumberOfMetaDataOptions, features[0].MetaData.Count);
            Assert.AreEqual(expectedNumberOfMetaDataOptions, features[1].MetaData.Count);
            Assert.AreEqual(structure1.Name, features[0].MetaData["Naam"]);
            Assert.AreEqual(structure2.Name, features[1].MetaData["Naam"]);
        }

        [Test]
        public void CreateStructureCalculationsFeatures_NullLocations_ReturnsEmptyCollection()
        {
            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateStructureCalculationsFeatures<
                SimpleStructuresInput, StructureBase>(null);

            // Assert
            Assert.IsEmpty(features);
        }

        [Test]
        public void CreateStructureCalculationsFeatures_EmptyLocations_ReturnsEmptyCollection()
        {
            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateStructureCalculationsFeatures
                <SimpleStructuresInput, StructureBase>(Enumerable.Empty<SimpleStructuresCalculation>());

            // Assert
            Assert.IsEmpty(features);
        }

        [Test]
        public void CreateStructureCalculationsFeatures_WithCalculations_ReturnsCollectionWithCalculations()
        {
            // Setup
            var calculationLocationA = new Point2D(1.2, 2.3);
            var calculationLocationB = new Point2D(2.7, 2.0);

            var hydraulicBoundaryLocationA = new HydraulicBoundaryLocation(1, string.Empty, 1.3, 2.3);
            var hydraulicBoundaryLocationB = new HydraulicBoundaryLocation(1, string.Empty, 7.7, 12.6);

            var simpleStructuresCalculationA = new SimpleStructuresCalculation
            {
                InputParameters =
                {
                    HydraulicBoundaryLocation = hydraulicBoundaryLocationA,
                    Structure = new SimpleStructure(calculationLocationA)
                }
            };

            var simpleStructuresCalculationB = new SimpleStructuresCalculation
            {
                InputParameters =
                {
                    HydraulicBoundaryLocation = hydraulicBoundaryLocationB,
                    Structure = new SimpleStructure(calculationLocationB)
                }
            };

            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateStructureCalculationsFeatures
                <SimpleStructuresInput, StructureBase>(new[]
                {
                    simpleStructuresCalculationA,
                    simpleStructuresCalculationB
                });

            // Assert
            Assert.AreEqual(2, features.Length);
            Assert.AreEqual(1, features[0].MapGeometries.Count());
            Assert.AreEqual(1, features[1].MapGeometries.Count());
            var mapDataGeometryOne = features[0].MapGeometries.ElementAt(0).PointCollections.First().ToArray();
            var mapDataGeometryTwo = features[1].MapGeometries.ElementAt(0).PointCollections.First().ToArray();

            CollectionElementsAlmostEquals(new[]
            {
                calculationLocationA,
                hydraulicBoundaryLocationA.Location
            }, mapDataGeometryOne);
            CollectionElementsAlmostEquals(new[]
            {
                calculationLocationB,
                hydraulicBoundaryLocationB.Location
            }, mapDataGeometryTwo);
        }

        [Test]
        public void CreateCalculationsFeatures_NullLocations_ReturnsEmptyCollection()
        {
            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateCalculationFeatures(null);

            // Assert
            Assert.IsEmpty(features);
        }

        [Test]
        public void CreateCalculationsFeatures_EmptyLocations_ReturnsEmptyCollection()
        {
            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateCalculationFeatures(
                new MapCalculationData[0]);

            // Assert
            Assert.IsEmpty(features);
        }

        [Test]
        public void CreateCalculationsFeatures_WithCalculations_ReturnsCollectionWithCalculations()
        {
            // Setup
            var calculationLocationA = new Point2D(1.2, 2.3);
            var calculationLocationB = new Point2D(2.7, 2.0);

            var hydraulicBoundaryLocationA = new HydraulicBoundaryLocation(1, string.Empty, 1.3, 2.3);
            var hydraulicBoundaryLocationB = new HydraulicBoundaryLocation(1, string.Empty, 7.7, 12.6);

            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateCalculationFeatures(new[]
            {
                new MapCalculationData("calculationA", calculationLocationA, hydraulicBoundaryLocationA),
                new MapCalculationData("calculationB", calculationLocationB, hydraulicBoundaryLocationB)
            });

            // Assert
            Assert.AreEqual(2, features.Length);
            Assert.AreEqual(1, features[0].MapGeometries.Count());
            Assert.AreEqual(1, features[1].MapGeometries.Count());
            Point2D[] mapDataGeometryOne = features[0].MapGeometries.ElementAt(0).PointCollections.First().ToArray();
            Point2D[] mapDataGeometryTwo = features[1].MapGeometries.ElementAt(0).PointCollections.First().ToArray();

            CollectionElementsAlmostEquals(new[]
            {
                calculationLocationA,
                hydraulicBoundaryLocationA.Location
            }, mapDataGeometryOne);
            CollectionElementsAlmostEquals(new[]
            {
                calculationLocationB,
                hydraulicBoundaryLocationB.Location
            }, mapDataGeometryTwo);
        }

        [Test]
        public void CreateDikeProfilesFeatures_NullDikeProfiles_ReturnsEmptyCollection()
        {
            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateDikeProfilesFeatures(null);

            // Assert
            Assert.IsEmpty(features);
        }

        [Test]
        public void CreateDikeProfilesFeatures_EmptyDikeProfiles_ReturnsEmptyCollection()
        {
            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateDikeProfilesFeatures(
                Enumerable.Empty<DikeProfile>());

            // Assert
            Assert.IsEmpty(features);
        }

        [Test]
        public void CreateDikeProfilesFeatures_WithDikeProfiles_ReturnsCollectionWithDikeProfiles()
        {
            // Setup
            var pointA = new Point2D(1.2, 2.3);
            var pointB = new Point2D(2.7, 2.0);
            var pointC = new Point2D(3.2, 23.3);
            var pointD = new Point2D(7.7, 12.6);

            var pointE = new Point2D(1.3, 2.3);
            var pointF = new Point2D(4.6, 2.0);
            var pointG = new Point2D(6.3, 23.3);
            var pointH = new Point2D(4.2, 12.6);

            var roughnessPointsOne = new[]
            {
                new RoughnessPoint(pointA, 1),
                new RoughnessPoint(pointB, 2)
            };
            var pointsOne = new[]
            {
                pointC,
                pointD
            };
            var roughnessPointsTwo = new[]
            {
                new RoughnessPoint(pointE, 1),
                new RoughnessPoint(pointF, 2),
                new RoughnessPoint(pointG, 1),
                new RoughnessPoint(pointH, 2)
            };
            var dikeProfiles = new[]
            {
                new DikeProfile(new Point2D(5, 4), roughnessPointsOne, pointsOne, null, new DikeProfile.ConstructionProperties
                {
                    Name = "A"
                }),
                new DikeProfile(new Point2D(2, 1), roughnessPointsTwo, Enumerable.Empty<Point2D>(), null, new DikeProfile.ConstructionProperties
                {
                    Name = "B"
                })
            };

            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateDikeProfilesFeatures(dikeProfiles);

            // Assert
            Assert.AreEqual(2, features.Length);
            Assert.AreEqual(1, features[0].MapGeometries.Count());
            Assert.AreEqual(1, features[1].MapGeometries.Count());
            Point2D[] mapDataDikeGeometryOne = features[0].MapGeometries.ElementAt(0).PointCollections.First().ToArray();
            Point2D[] mapDataDikeGeometryTwo = features[1].MapGeometries.ElementAt(0).PointCollections.First().ToArray();

            CollectionElementsAlmostEquals(new[]
            {
                new Point2D(5, 2.8),
                new Point2D(5, 1.3)
            }, mapDataDikeGeometryOne);
            CollectionElementsAlmostEquals(new[]
            {
                new Point2D(2, -0.3),
                new Point2D(2, -3.6),
                new Point2D(2, -5.3),
                new Point2D(2, -3.2)
            }, mapDataDikeGeometryTwo);

            const int expectedNumberOfMetaDataOptions = 1;
            Assert.AreEqual(expectedNumberOfMetaDataOptions, features[0].MetaData.Count);
            Assert.AreEqual(expectedNumberOfMetaDataOptions, features[1].MetaData.Count);
            Assert.AreEqual(dikeProfiles[0].Name, features[0].MetaData["Naam"]);
            Assert.AreEqual(dikeProfiles[1].Name, features[1].MetaData["Naam"]);
        }

        [Test]
        public void CreateForeshoreProfilesFeatures_NullForeshoreProfiles_ReturnsEmptyCollection()
        {
            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateForeshoreProfilesFeatures(null);

            // Assert
            Assert.IsEmpty(features);
        }

        [Test]
        public void CreateForeshoreProfilesFeatures_EmptyForeshoreProfiles_ReturnsEmptyCollection()
        {
            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateForeshoreProfilesFeatures(
                Enumerable.Empty<ForeshoreProfile>());

            // Assert
            Assert.IsEmpty(features);
        }

        [Test]
        public void CreateForeshoreProfilesFeatures_WithForeshoreProfiles_ReturnsCollectionWithForeshoreProfiles()
        {
            // Setup
            var pointA = new Point2D(1.2, 2.3);
            var pointB = new Point2D(2.7, 2.0);

            var pointC = new Point2D(1.3, 2.3);
            var pointD = new Point2D(4.6, 2.0);
            var pointE = new Point2D(3.2, 23.3);
            var pointF = new Point2D(7.7, 12.6);

            var pointsOne = new[]
            {
                pointA,
                pointB
            };
            var pointsTwo = new[]
            {
                pointC,
                pointD,
                pointE,
                pointF
            };
            var foreshoreProfiles = new[]
            {
                new ForeshoreProfile(new Point2D(5, 4), pointsOne, null, new ForeshoreProfile.ConstructionProperties
                {
                    Name = "A"
                }),
                new ForeshoreProfile(new Point2D(2, 1), pointsTwo, null, new ForeshoreProfile.ConstructionProperties
                {
                    Name = "B"
                })
            };

            // Call
            MapFeature[] features = RingtoetsMapDataFeaturesFactory.CreateForeshoreProfilesFeatures(foreshoreProfiles);

            // Assert
            Assert.AreEqual(2, features.Length);
            Assert.AreEqual(1, features[0].MapGeometries.Count());
            Assert.AreEqual(1, features[1].MapGeometries.Count());
            Point2D[] mapDataGeometryOne = features[0].MapGeometries.ElementAt(0).PointCollections.First().ToArray();
            Point2D[] mapDataGeometryTwo = features[1].MapGeometries.ElementAt(0).PointCollections.First().ToArray();

            CollectionElementsAlmostEquals(new[]
            {
                new Point2D(5, 2.8),
                new Point2D(5, 1.3)
            }, mapDataGeometryOne);
            CollectionElementsAlmostEquals(new[]
            {
                new Point2D(2, -0.3),
                new Point2D(2, -3.6),
                new Point2D(2, -2.2),
                new Point2D(2, -6.7)
            }, mapDataGeometryTwo);

            const int expectedNumberOfMetaDataOptions = 1;
            Assert.AreEqual(expectedNumberOfMetaDataOptions, features[0].MetaData.Count);
            Assert.AreEqual(expectedNumberOfMetaDataOptions, features[1].MetaData.Count);
            Assert.AreEqual(foreshoreProfiles[0].Name, features[0].MetaData["Naam"]);
            Assert.AreEqual(foreshoreProfiles[1].Name, features[1].MetaData["Naam"]);
        }

        [Test]
        public void CreateSinglePointMapFeature_PointNull_ThrowArgumentNullException()
        {
            // Call
            TestDelegate test = () => RingtoetsMapDataFeaturesFactory.CreateSinglePointMapFeature(null);

            // Assert
            var exception = Assert.Throws<ArgumentNullException>(test);
            Assert.AreEqual("point", exception.ParamName);
        }

        [Test]
        public void CreateSinglePointMapFeature_WithPoint_CreatesASinglePointMapFeature()
        {
            // Setup
            var point = new Point2D(0, 0);

            // Call
            var pointMapFeature = RingtoetsMapDataFeaturesFactory.CreateSinglePointMapFeature(point);

            // Assert
            MapGeometry[] mapGeometries = pointMapFeature.MapGeometries.ToArray();
            Assert.AreEqual(1, mapGeometries.Length);
            MapGeometry mapGeometry = mapGeometries.First();
            IEnumerable<Point2D>[] geometryPointCollections = mapGeometry.PointCollections.ToArray();
            Assert.AreEqual(1, geometryPointCollections.Length);
            Assert.AreSame(point, geometryPointCollections.First().First());
        }

        private static void AssertEqualFeatureCollections(Point2D[] points, MapFeature[] features)
        {
            Assert.AreEqual(points.Length, features.Length);
            for (int i = 0; i < points.Length; i++)
            {
                CollectionAssert.AreEqual(new[]
                {
                    points[i]
                }, features[i].MapGeometries.First().PointCollections.First());
            }
        }

        private static void CollectionElementsAlmostEquals(IEnumerable<Point2D> expected, Point2D[] actual)
        {
            Assert.AreEqual(expected.Count(), actual.Length);

            for (int index = 0; index < actual.Length; index++)
            {
                Point2D actualPoint = actual[index];
                Point2D expectedPoint = expected.ElementAt(index);

                var delta = 1e-8;
                Assert.AreEqual(expectedPoint.X, actualPoint.X, delta);
                Assert.AreEqual(expectedPoint.Y, actualPoint.Y, delta);
            }
        }

        private static void AssertEqualPointCollections(IEnumerable<Point2D> points, MapGeometry geometry)
        {
            CollectionAssert.AreEqual(points, geometry.PointCollections.First());
        }

        private class SimpleStructuresInput : StructuresInputBase<StructureBase>
        {
            protected override void UpdateStructureParameters() {}
        }

        private class SimpleStructuresCalculation : StructuresCalculation<SimpleStructuresInput> {}

        private class SimpleStructure : StructureBase
        {
            public SimpleStructure(Point2D location, string name = "name")
                : base(new ConstructionProperties
                {
                    Location = location,
                    Name = name,
                    Id = "id"
                }) {}
        }
    }
}