// 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.ComponentModel;
using System.Linq;
using Core.Common.TestUtil;
using Deltares.WTIStability.Data.Geo;
using NUnit.Framework;
using Ringtoets.MacroStabilityInwards.KernelWrapper.Creators;
using Ringtoets.MacroStabilityInwards.Primitives;
using Point2D = Core.Common.Base.Geometry.Point2D;

namespace Ringtoets.MacroStabilityInwards.KernelWrapper.Test.Creators
{
    [TestFixture]
    public class MacroStabilityInwardsSoilCreatorTest
    {
        [Test]
        public void Create_ProfileNull_ThrowsArgumentNullException()
        {
            // Call
            TestDelegate call = () => MacroStabilityInwardsSoilCreator.Create(null);

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

        [Test]
        public void Create_ProfileWithLayers_ReturnsProfileWithLayers()
        {
            // Setup
            var profile = new MacroStabilityInwardsSoilProfileUnderSurfaceLine(new[]
            {
                new MacroStabilityInwardsSoilLayerUnderSurfaceLine(new[]
                {
                    new Point2D(0, 0),
                    new Point2D(1, 1)
                }, new TestMacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine(
                    new MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine.ConstructionProperties
                    {
                        UsePop = true,
                        ShearStrengthModel = MacroStabilityInwardsShearStrengthModel.CPhi,
                        MaterialName = "Sand",
                    })),
                new MacroStabilityInwardsSoilLayerUnderSurfaceLine(new[]
                {
                    new Point2D(0, 0),
                    new Point2D(1, 1)
                }, new TestMacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine(
                    new MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine.ConstructionProperties
                    {
                        UsePop = true,
                        ShearStrengthModel = MacroStabilityInwardsShearStrengthModel.CPhiOrSuCalculated,
                        MaterialName = "Clay"
                    })),
                new MacroStabilityInwardsSoilLayerUnderSurfaceLine(new[]
                {
                    new Point2D(0, 0),
                    new Point2D(1, 1)
                }, new TestMacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine(
                    new MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine.ConstructionProperties
                    {
                        UsePop = true,
                        ShearStrengthModel = MacroStabilityInwardsShearStrengthModel.SuCalculated,
                        MaterialName = "Grass"
                    }))
            });

            // Call
            Soil[] soils = MacroStabilityInwardsSoilCreator.Create(profile);

            // Assert
            Assert.AreEqual(3, soils.Length);

            CollectionAssert.AreEqual(profile.LayersUnderSurfaceLine.Select(l => l.Properties.UsePop), soils.Select(s => s.UsePop));
            CollectionAssert.AreEqual(profile.LayersUnderSurfaceLine.Select(l => l.Properties.MaterialName), soils.Select(s => s.Name));
            CollectionAssert.AreEqual(new[]
            {
                ShearStrengthModel.CPhi,
                ShearStrengthModel.CPhiOrCuCalculated,
                ShearStrengthModel.CuCalculated
            }, soils.Select(s => s.ShearStrengthModel));
            CollectionAssert.AreEqual(profile.LayersUnderSurfaceLine.Select(l => l.Properties.AbovePhreaticLevelDesignVariable.Value), soils.Select(s => s.AbovePhreaticLevel));
            CollectionAssert.AreEqual(profile.LayersUnderSurfaceLine.Select(l => l.Properties.BelowPhreaticLevelDesignVariable.Value), soils.Select(s => s.BelowPhreaticLevel));
            CollectionAssert.AreEqual(profile.LayersUnderSurfaceLine.Select(l => l.Properties.CohesionDesignVariable.Value), soils.Select(s => s.Cohesion));
            CollectionAssert.AreEqual(profile.LayersUnderSurfaceLine.Select(l => l.Properties.FrictionAngleDesignVariable.Value), soils.Select(s => s.FrictionAngle));
            CollectionAssert.AreEqual(profile.LayersUnderSurfaceLine.Select(l => l.Properties.ShearStrengthRatioDesignVariable.Value), soils.Select(s => s.RatioCuPc));
            CollectionAssert.AreEqual(profile.LayersUnderSurfaceLine.Select(l => l.Properties.StrengthIncreaseExponentDesignVariable.Value), soils.Select(s => s.StrengthIncreaseExponent));
            CollectionAssert.AreEqual(profile.LayersUnderSurfaceLine.Select(l => l.Properties.PopDesignVariable.Value), soils.Select(s => s.PoP));
        }

        [Test]
        public void Create_InvalidShearStrengthModel_ThrowInvalidEnumArgumentException()
        {
            // Setup
            var profile = new MacroStabilityInwardsSoilProfileUnderSurfaceLine(new[]
            {
                new MacroStabilityInwardsSoilLayerUnderSurfaceLine(new[]
                {
                    new Point2D(0, 0),
                    new Point2D(1, 1)
                }, new MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine(new MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine.ConstructionProperties
                {
                    ShearStrengthModel = (MacroStabilityInwardsShearStrengthModel) 99
                }))
            });

            // Call
            TestDelegate test = () => MacroStabilityInwardsSoilCreator.Create(profile);

            // Assert
            string message = $"The value of argument 'shearStrengthModel' ({99}) is invalid for Enum type '{typeof(MacroStabilityInwardsShearStrengthModel).Name}'.";
            TestHelper.AssertThrowsArgumentExceptionAndTestMessage<InvalidEnumArgumentException>(test, message);
        }

        [Test]
        public void Create_UnsupportedShearStrengthModel_ThrowNotSupportedException()
        {
            // Setup
            var profile = new MacroStabilityInwardsSoilProfileUnderSurfaceLine(new[]
            {
                new MacroStabilityInwardsSoilLayerUnderSurfaceLine(new[]
                {
                    new Point2D(0, 0),
                    new Point2D(1, 1)
                }, new MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine(new MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine.ConstructionProperties
                {
                    ShearStrengthModel = MacroStabilityInwardsShearStrengthModel.None
                }))
            });

            // Call
            TestDelegate test = () => MacroStabilityInwardsSoilCreator.Create(profile);

            // Assert
            Assert.Throws<NotSupportedException>(test);
        }

        private class TestMacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine : MacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine
        {
            public TestMacroStabilityInwardsSoilLayerPropertiesUnderSurfaceLine(ConstructionProperties properties)
                : base(properties)
            {
                var random = new Random(21);
                AbovePhreaticLevelDesignVariable = random.NextRoundedDouble();
                BelowPhreaticLevelDesignVariable = random.NextRoundedDouble();
                CohesionDesignVariable = random.NextRoundedDouble();
                FrictionAngleDesignVariable = random.NextRoundedDouble();
                ShearStrengthRatioDesignVariable = random.NextRoundedDouble();
                StrengthIncreaseExponentDesignVariable = random.NextRoundedDouble();
                PopDesignVariable = random.NextRoundedDouble();
            }
        }
    }
}