// 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.Linq;
using Core.Common.Base.Geometry;
using NUnit.Framework;
using Rhino.Mocks;
using Ringtoets.MacroStabilityInwards.KernelWrapper.Calculators.Input;
using Ringtoets.MacroStabilityInwards.KernelWrapper.Calculators.Waternet;
using Ringtoets.MacroStabilityInwards.KernelWrapper.Calculators.Waternet.Input;
using Ringtoets.MacroStabilityInwards.KernelWrapper.Kernels;
using Ringtoets.MacroStabilityInwards.Primitives;

namespace Ringtoets.MacroStabilityInwards.KernelWrapper.Test.Calculators.Waternet
{
    [TestFixture]
    public class WaternetCalculatorTest
    {
        [Test]
        public void Constructor_InputNull_ArgumentNullException()
        {
            // Setup
            var mocks = new MockRepository();
            var factory = mocks.Stub<IMacroStabilityInwardsKernelFactory>();
            mocks.ReplayAll();

            // Call
            TestDelegate call = () => new WaternetCalculator(null, factory);

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

        [Test]
        public void Constructor_FactoryNull_ArgumentNullException()
        {
            // Setup
            WaternetCalculatorInput input = CreateValidCalculatorInput();

            // Call
            TestDelegate call = () => new WaternetCalculator(input, null);

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

        [Test]
        public void Constructor_ExpectedValues()
        {
            // Setup
            var mocks = new MockRepository();
            var factory = mocks.Stub<IMacroStabilityInwardsKernelFactory>();
            mocks.ReplayAll();

            WaternetCalculatorInput input = CreateValidCalculatorInput();

            // Call
            var calculator = new WaternetCalculator(input, factory);

            // Assert
            Assert.IsInstanceOf<IWaternetCalculator>(calculator);
            mocks.VerifyAll();
        }

        private WaternetCalculatorInput CreateValidCalculatorInput()
        {
            var random = new Random(21);

            MacroStabilityInwardsSurfaceLine surfaceLine = CreateValidSurfaceLine();
            return new WaternetCalculatorInput(new WaternetCalculatorInput.ConstructionProperties
            {
                AssessmentLevel = random.NextDouble(),
                SurfaceLine = surfaceLine,
                SoilProfile = CreateValidSoilProfile(surfaceLine),
                DrainageConstruction = new DrainageConstruction(),
                PhreaticLineOffsetsExtreme = new PhreaticLineOffsets(),
                PhreaticLineOffsetsDaily = new PhreaticLineOffsets()
            });
        }

        private static SoilProfile CreateValidSoilProfile(MacroStabilityInwardsSurfaceLine surfaceLine)
        {
            return new SoilProfile(new[]
            {
                new SoilLayer(
                    new[]
                    {
                        surfaceLine.LocalGeometry.First(),
                        surfaceLine.LocalGeometry.Last()
                    },
                    Enumerable.Empty<Point2D[]>(),
                    new SoilLayer.ConstructionProperties()),
                new SoilLayer(
                    new[]
                    {
                        surfaceLine.LocalGeometry.First(),
                        surfaceLine.LocalGeometry.Last()
                    },
                    Enumerable.Empty<Point2D[]>(),
                    new SoilLayer.ConstructionProperties
                    {
                        IsAquifer = true
                    }),
                new SoilLayer(
                    new[]
                    {
                        surfaceLine.LocalGeometry.First(),
                        surfaceLine.LocalGeometry.Last()
                    },
                    Enumerable.Empty<Point2D[]>(),
                    new SoilLayer.ConstructionProperties()),
                new SoilLayer(
                    new[]
                    {
                        surfaceLine.LocalGeometry.First(),
                        surfaceLine.LocalGeometry.Last()
                    },
                    Enumerable.Empty<Point2D[]>(),
                    new SoilLayer.ConstructionProperties())
            }, new[]
            {
                new PreconsolidationStress(new Point2D(0, 0), 1.1)
            });
        }

        private static MacroStabilityInwardsSurfaceLine CreateValidSurfaceLine()
        {
            var surfaceLine = new MacroStabilityInwardsSurfaceLine(string.Empty);
            var dikeToeAtRiver = new Point3D(1, 0, 8);

            surfaceLine.SetGeometry(new[]
            {
                new Point3D(0, 0, 2),
                dikeToeAtRiver,
                new Point3D(2, 0, -1)
            });

            surfaceLine.SetDikeToeAtRiverAt(dikeToeAtRiver);

            return surfaceLine;
        }
    }
}