// Copyright (C) Stichting Deltares 2025. All rights reserved.
// 
// This file is part of the application DAM - UI.
// 
// DAM - UI 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 Deltares.Dam.Data;
using Deltares.Geometry;
using Deltares.Geotechnics.GeotechnicalGeometry;
using Deltares.Geotechnics.SurfaceLines;
using NUnit.Framework;

namespace Deltares.Dam.Tests
{
    [TestFixture]
    public class DikeCoordinateSystemConverterTest
    {
        /// <summary>
        /// Test
        /// </summary>
        [Test]
        public void ThrowsExceptionIfDikeNotComplete()
        {
            var dikeCoordinateSystemConverter = new DikeCoordinateSystemConverter();
            using (var dike = new Dike())
            {
                Assert.That(() => dikeCoordinateSystemConverter.CreateLocalXZObjects(dike), Throws.InstanceOf<DikeCoordinateSystemConverterException>());
            }
        }

        /// <summary>
        /// Test creation of objects with local coordinates
        /// </summary>
        [Test]
        public void CanCreateLocalXZObjects()
        {
            var dikeCoordinateSystemConverter = new DikeCoordinateSystemConverter();
            using (Dike dike = CreateDike())
            {
                dikeCoordinateSystemConverter.CreateLocalXZObjects(dike);
                foreach (Location location in dike.Locations)
                {
                    // Check surface lines
                    CheckResultingLocalSurfaceLine(location.LocalXZSurfaceLine2);
                }
            }
        }

        /// <summary>
        /// Create result surface line 
        /// </summary>
        /// <returns></returns>
        private SurfaceLine2 CreateResultingLocalSurfaceLine()
        {
            var surfaceline = new SurfaceLine2
            {
                Name = "SL1",
                Geometry = new LocalizedGeometryPointString(),
                CharacteristicPoints =
                {
                    GeometryMustContainPoint = true
                }
            };
            surfaceline.AddCharacteristicPoint(new GeometryPoint(0.0000, 0.0000, 0.0000));
            surfaceline.AddCharacteristicPoint(new GeometryPoint(27.9508, 0.0000, 2.50000));
            surfaceline.AddCharacteristicPoint(new GeometryPoint(55.9017, 0.0000, 5.00000));
            surfaceline.AddCharacteristicPoint(new GeometryPoint(83.8525, 0.0000, 7.50000));
            surfaceline.AddCharacteristicPoint(new GeometryPoint(111.8034, 0.0000, 10.0000));
            return surfaceline;
        }

        /// <summary>
        /// Create test surface line
        /// </summary>
        /// <returns>a surface line with angle in XY plane between 0 and 90 degrees</returns>
        private SurfaceLine2 CreateGlobalSurfaceLineWithAlphaBetween0and90Degrees()
        {
            var surfaceline = new SurfaceLine2
            {
                Geometry = new LocalizedGeometryPointString(),
                CharacteristicPoints =
                {
                    GeometryMustContainPoint = true
                }
            };

            surfaceline.AddCharacteristicPoint(new GeometryPoint(10000.0, 20000.0, 0.0));
            surfaceline.AddCharacteristicPoint(new GeometryPoint(10012.5, 20025.0, 2.5));
            surfaceline.AddCharacteristicPoint(new GeometryPoint(10025.0, 20050.0, 5.0));
            surfaceline.AddCharacteristicPoint(new GeometryPoint(10037.5, 20075.0, 7.5));
            surfaceline.AddCharacteristicPoint(new GeometryPoint(10050.0, 20100.0, 10.0));
            return surfaceline;
        }

        /// <summary>
        /// Create test surface line
        /// </summary>
        /// <returns>a surface line with angle in XY plane between 0 and 90 degrees</returns>
        private SurfaceLine2 CreateGlobalSurfaceLineSteepWithAlphaBetween0and90Degrees()
        {
            var surfaceline = new SurfaceLine2
            {
                Geometry = new LocalizedGeometryPointString(),
                CharacteristicPoints =
                {
                    GeometryMustContainPoint = true
                }
            };

            surfaceline.AddCharacteristicPoint(new GeometryPoint(10000.00, 20000.00, 0.0));
            surfaceline.AddCharacteristicPoint(new GeometryPoint(10025.00, 20012.50, 2.5));
            surfaceline.AddCharacteristicPoint(new GeometryPoint(10050.00, 20025.00, 5.0));
            surfaceline.AddCharacteristicPoint(new GeometryPoint(10075.00, 20037.50, 7.5));
            surfaceline.AddCharacteristicPoint(new GeometryPoint(10100.00, 20050.00, 10.0));
            return surfaceline;
        }
        

        /// <summary>
        /// Checks converted local surface line with reference surface line
        /// </summary>
        /// <param name="localSurfaceLine"></param>
        private void CheckResultingLocalSurfaceLine(SurfaceLine2 localSurfaceLine)
        {
            using (SurfaceLine2 expectedLocalSurfaceLine = CreateResultingLocalSurfaceLine())
            {
                Assert.That(localSurfaceLine.Geometry.Points.Count, Is.EqualTo(expectedLocalSurfaceLine.Geometry.Count), String.Format("Surfaceline line {0}", localSurfaceLine.Name));
                for (var pointIndex = 0; pointIndex < localSurfaceLine.Geometry.Points.Count; pointIndex++)
                {
                    Assert.That(localSurfaceLine.Geometry.Points[pointIndex].LocationEquals(expectedLocalSurfaceLine.Geometry.Points[pointIndex]),
                                Is.True, String.Format("Surfaceline {0} GeometryPoint {1} converted incorrectly", localSurfaceLine.Name, pointIndex));
                }
            }
        }

        /// <summary>
        /// Create test dike
        /// </summary>
        /// <returns></returns>
        private Dike CreateDike()
        {
            var dike = new Dike();
            // Location 1 surface line
            SurfaceLine2 surfaceLine;
            surfaceLine = CreateGlobalSurfaceLineWithAlphaBetween0and90Degrees();
            surfaceLine.Name = "SL1";
            dike.SurfaceLines2.Add(surfaceLine);
            // Location 1 
            var location = new Location();
            location.Name = "Loc1";
            location.SurfaceLine2 = surfaceLine;
            dike.Locations.Add(location);

            // Location 2 surface line
            surfaceLine = CreateGlobalSurfaceLineSteepWithAlphaBetween0and90Degrees();
            surfaceLine.Name = "SL2";
            dike.SurfaceLines2.Add(surfaceLine);
            // Location 2 (with sheetpiling)
            location = new Location();
            location.Name = "Loc2";
            location.SurfaceLine2 = surfaceLine;
            dike.Locations.Add(location);

            // Location 3: a location which has the same surface line and pl1-line as Location 2
            location = new Location();
            location.Name = "Loc3";
            location.SurfaceLine2 = surfaceLine;
            dike.Locations.Add(location);

            return dike;
        }
    }
}