// 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 Core.Common.Base;
using Core.Common.Base.Data;
using Core.Common.TestUtil;
using NUnit.Framework;
using Ringtoets.Common.Data.Calculation;
using Ringtoets.Common.Data.Probabilistics;
using Ringtoets.Common.Data.TestUtil;
using Ringtoets.HydraRing.Data;

namespace Ringtoets.ClosingStructures.Data.Test
{
    [TestFixture]
    public class ClosingStructuresInputTest
    {
        [Test]
        public void Constructor_ExpectedValues()
        {
            // Call
            var input = new ClosingStructuresInput();

            // Assert
            Assert.IsInstanceOf<Observable>(input);
            Assert.IsInstanceOf<ICalculationInput>(input);

            Assert.IsNull(input.HydraulicBoundaryLocation);
            Assert.IsNull(input.ClosingStructure);

            AssertEqualValues(1.1, input.ModelFactorSuperCriticalFlow.Mean);
            AssertEqualValues(0.03, input.ModelFactorSuperCriticalFlow.StandardDeviation);
            AssertEqualValues(0.1, input.ThresholdHeightOpenWeir.StandardDeviation);
            AssertEqualValues(1, input.DrainCoefficient.Mean);
            AssertEqualValues(0.2, input.DrainCoefficient.StandardDeviation);
            AssertEqualValues(0.01, input.AreaFlowApertures.StandardDeviation);
            AssertEqualValues(0.05, input.LevelCrestStructureNotClosing.StandardDeviation);
            AssertEqualValues(0.1, input.InsideWaterLevel.StandardDeviation);
            AssertEqualValues(0.1, input.AllowedLevelIncreaseStorage.StandardDeviation);
            AssertEqualValues(0.05, input.FlowWidthAtBottomProtection.StandardDeviation);
            AssertEqualValues(7.5, input.StormDuration.Mean);
            AssertEqualValues(0.25, input.StormDuration.GetVariationCoefficient());
            Assert.AreEqual(1, input.ProbabilityOpenStructureBeforeFlooding);
        }

        [Test]
        [TestCase(ClosingStructureType.VerticalWall)]
        [TestCase(ClosingStructureType.LowSill)]
        [TestCase(ClosingStructureType.FloodedCulvert)]
        public void Properties_Type_ExpectedValues(ClosingStructureType type)
        {
            // Setup
            var input = new ClosingStructuresInput();

            // Call
            input.ClosingStructureType = type;

            // Assert
            Assert.AreEqual(type, input.ClosingStructureType);
        }

        [Test]
        public void Properties_HydraulicBoundaryLocation_ExpectedValues()
        {
            // Setup
            var input = new ClosingStructuresInput();
            var location = new HydraulicBoundaryLocation(0, "test", 0, 0);

            // Call
            input.HydraulicBoundaryLocation = location;

            // Assert
            Assert.AreEqual(location, input.HydraulicBoundaryLocation);
        }

        [Test]
        public void Properties_StructureNormalOrientation_ExpectedValues()
        {
            // Setup
            var input = new ClosingStructuresInput();
            var random = new Random(22);

            var orientation = new RoundedDouble(5, random.NextDouble());

            // Call
            input.StructureNormalOrientation = orientation;

            // Assert
            Assert.AreEqual(2, input.StructureNormalOrientation.NumberOfDecimalPlaces);
            AssertEqualValues(orientation, input.StructureNormalOrientation);
        }

        [Test]
        public void Properties_ModelFactorSuperCriticalFlow_ExpectedValues()
        {
            // Setup
            var input = new ClosingStructuresInput();
            NormalDistribution modelFactorSuperCriticalFlow = GenerateNormalDistribution();

            RoundedDouble initialStd = input.ModelFactorSuperCriticalFlow.StandardDeviation;

            //Call
            input.ModelFactorSuperCriticalFlow = modelFactorSuperCriticalFlow;

            //Assert
            Assert.AreEqual(modelFactorSuperCriticalFlow.Mean, input.ModelFactorSuperCriticalFlow.Mean);
            AssertEqualValues(initialStd, input.ModelFactorSuperCriticalFlow.StandardDeviation);
        }

        [Test]
        public void Properties_FactorStormDurationOpenStructure_ExpectedValues()
        {
            // Setup
            var input = new ClosingStructuresInput();
            var random = new Random(22);

            var factorStormDuration = new RoundedDouble(5, random.NextDouble());

            // Call
            input.FactorStormDurationOpenStructure = factorStormDuration;

            // Assert
            Assert.AreEqual(2, input.FactorStormDurationOpenStructure.NumberOfDecimalPlaces);
            AssertEqualValues(factorStormDuration, input.FactorStormDurationOpenStructure);
        }

        [Test]
        public void Properties_ThresholdHeightOpenWeir_ExpectedValues()
        {
            // Setup
            var input = new ClosingStructuresInput();
            NormalDistribution thresholdHeightOpenWeir = GenerateNormalDistribution();

            //Call
            input.ThresholdHeightOpenWeir = thresholdHeightOpenWeir;

            //Assert
            Assert.AreEqual(thresholdHeightOpenWeir.Mean, input.ThresholdHeightOpenWeir.Mean);
            Assert.AreEqual(thresholdHeightOpenWeir.StandardDeviation, input.ThresholdHeightOpenWeir.StandardDeviation);
        }

        [Test]
        public void Properties_DrainCoefficient_ExpectedValues()
        {
            // Setup
            var input = new ClosingStructuresInput();
            NormalDistribution drainCoefficient = GenerateNormalDistribution();

            RoundedDouble initialStd = input.DrainCoefficient.StandardDeviation;

            //Call
            input.DrainCoefficient = drainCoefficient;

            //Assert
            Assert.AreEqual(drainCoefficient.Mean, input.DrainCoefficient.Mean);
            AssertEqualValues(initialStd, input.DrainCoefficient.StandardDeviation);
        }

        [Test]
        public void Properties_AreaFlowApertures_ExpectedValues()
        {
            // Setup
            var input = new ClosingStructuresInput();
            LogNormalDistribution areaFlowApertures = GenerateLogNormalDistribution();

            //Call
            input.AreaFlowApertures = areaFlowApertures;

            //Assert
            Assert.AreEqual(areaFlowApertures.Mean, input.AreaFlowApertures.Mean);
            AssertEqualValues(areaFlowApertures.StandardDeviation, input.AreaFlowApertures.StandardDeviation);
        }

        [Test]
        [TestCase(-1.1)]
        [TestCase(2)]
        public void Properties_FailureProbablityOpenStructure_ThrowArgumentException(double probability)
        {
            // Setup
            var input = new ClosingStructuresInput();

            // Call
            TestDelegate call = () => input.FailureProbabilityOpenStructure = probability;

            // Assert
            TestHelper.AssertThrowsArgumentExceptionAndTestMessage<ArgumentException>(call, "De waarde voor de faalkans moet in het bereik tussen [0, 1] liggen.");
        }

        [Test]
        [TestCase(0)]
        [TestCase(0.5)]
        [TestCase(1.0)]
        public void Properties_FailureProbabilityOpenStructure_ExpectedValues(double probability)
        {
            // Setup
            var input = new ClosingStructuresInput();

            // Call 
            input.FailureProbabilityOpenStructure = probability;

            // Assert
            Assert.AreEqual(probability, input.FailureProbabilityOpenStructure);
        }

        [Test]
        [TestCase(-1.1)]
        [TestCase(2)]
        public void Properties_FailureProbablityReparation_ThrowArgumentException(double probability)
        {
            // Setup
            var input = new ClosingStructuresInput();

            // Call
            TestDelegate call = () => input.FailureProbablityReparation = probability;

            // Assert
            TestHelper.AssertThrowsArgumentExceptionAndTestMessage<ArgumentException>(call, "De waarde voor de faalkans moet in het bereik tussen [0, 1] liggen.");
        }

        [Test]
        [TestCase(0)]
        [TestCase(0.5)]
        [TestCase(1.0)]
        public void Properties_FailureProbabilityReparation_ExpectedValues(double probability)
        {
            // Setup
            var input = new ClosingStructuresInput();

            // Call 
            input.FailureProbablityReparation = probability;

            // Assert
            Assert.AreEqual(probability, input.FailureProbablityReparation);
        }

        [Test]
        public void Properties_IdenticalApertures_ExpectedValues()
        {
            // Setup
            var input = new ClosingStructuresInput();
            var random = new Random(22);

            int identicalAperture = random.Next();

            // Call
            input.IdenticalApertures = identicalAperture;

            // Assert
            Assert.AreEqual(identicalAperture, input.IdenticalApertures);
        }

        [Test]
        public void Properties_LevelCrestStructureNotClosing_ExpectedValues()
        {
            // Setup
            var input = new ClosingStructuresInput();
            NormalDistribution levelCrestStructureNotClosing = GenerateNormalDistribution();

            //Call
            input.LevelCrestStructureNotClosing = levelCrestStructureNotClosing;

            //Assert
            Assert.AreEqual(levelCrestStructureNotClosing.Mean, input.LevelCrestStructureNotClosing.Mean);
            Assert.AreEqual(levelCrestStructureNotClosing.StandardDeviation, input.LevelCrestStructureNotClosing.StandardDeviation);
        }

        [Test]
        public void Properties_InsideWaterLevel_ExpectedValues()
        {
            // Setup
            var input = new ClosingStructuresInput();
            NormalDistribution insideWaterLevel = GenerateNormalDistribution();

            //Call
            input.InsideWaterLevel = insideWaterLevel;

            //Assert
            Assert.AreEqual(insideWaterLevel.Mean, input.InsideWaterLevel.Mean);
            Assert.AreEqual(insideWaterLevel.StandardDeviation, input.InsideWaterLevel.StandardDeviation);
        }

        [Test]
        public void Properties_AllowedLevelIncreaseStorage_ExpectedValues()
        {
            // Setup
            var input = new ClosingStructuresInput();
            LogNormalDistribution allowedIncrease = GenerateLogNormalDistribution();

            //Call
            input.AllowedLevelIncreaseStorage = allowedIncrease;

            //Assert
            Assert.AreEqual(allowedIncrease.Mean, input.AllowedLevelIncreaseStorage.Mean);
            Assert.AreEqual(allowedIncrease.StandardDeviation, input.AllowedLevelIncreaseStorage.StandardDeviation);
        }

        [Test]
        public void Properties_StorageStructureArea_ExpectedValues()
        {
            // Setup
            var input = new ClosingStructuresInput();
            LogNormalDistribution storageStructureArea = GenerateLogNormalDistribution();

            //Call
            input.StorageStructureArea = storageStructureArea;

            //Assert
            Assert.AreEqual(storageStructureArea.Mean, input.StorageStructureArea.Mean);
            Assert.AreEqual(storageStructureArea.StandardDeviation, input.StorageStructureArea.StandardDeviation);
        }

        [Test]
        public void Properties_FlowWidthAtBottomProtection_ExpectedValues()
        {
            // Setup
            var input = new ClosingStructuresInput();
            LogNormalDistribution flowWidthAtBottomProtection = GenerateLogNormalDistribution();

            //Call
            input.FlowWidthAtBottomProtection = flowWidthAtBottomProtection;

            //Assert
            Assert.AreEqual(flowWidthAtBottomProtection.Mean, input.FlowWidthAtBottomProtection.Mean);
            Assert.AreEqual(flowWidthAtBottomProtection.StandardDeviation, input.FlowWidthAtBottomProtection.StandardDeviation);
        }

        [Test]
        public void Properties_CriticalOvertoppingDischarge_ExpectedValues()
        {
            // Setup
            var input = new ClosingStructuresInput();
            LogNormalDistribution criticalOverToppingDischarge = GenerateLogNormalDistribution();

            //Call
            input.CriticalOverToppingDischarge = criticalOverToppingDischarge;

            //Assert
            Assert.AreEqual(criticalOverToppingDischarge.Mean, input.CriticalOverToppingDischarge.Mean);
            AssertEqualValues(criticalOverToppingDischarge.StandardDeviation, input.CriticalOverToppingDischarge.StandardDeviation);
        }

        [Test]
        [TestCase(-1.1)]
        [TestCase(2)]
        public void Properties_FailureProbabilityStructureWithErosion_ThrowArgumentException(double probability)
        {
            // Setup
            var input = new ClosingStructuresInput();

            // Call
            TestDelegate call = () => input.FailureProbabilityStructureWithErosion = probability;

            // Assert
            TestHelper.AssertThrowsArgumentExceptionAndTestMessage<ArgumentException>(call, "De waarde voor de faalkans moet in het bereik tussen [0, 1] liggen.");
        }

        [Test]
        [TestCase(0)]
        [TestCase(0.5)]
        [TestCase(1.0)]
        public void Properties_FailureProbabilityStructureWithErosion_ExpectedValues(double probability)
        {
            // Setup
            var input = new ClosingStructuresInput();

            // Call 
            input.FailureProbabilityStructureWithErosion = probability;

            // Assert
            Assert.AreEqual(probability, input.FailureProbabilityStructureWithErosion);
        }

        [Test]
        public void Properties_WidthFlowApertures_ExpectedValues()
        {
            // Setup
            var input = new ClosingStructuresInput();
            NormalDistribution widthApertures = GenerateNormalDistribution();

            //Call
            input.WidthFlowApertures = widthApertures;

            //Assert
            Assert.AreEqual(widthApertures.Mean, input.WidthFlowApertures.Mean);
            Assert.AreEqual(widthApertures.StandardDeviation, input.WidthFlowApertures.StandardDeviation);
        }

        [Test]
        public void Properties_DeviationWaveDirection_ExpectedValues()
        {
            // Setup
            var input = new ClosingStructuresInput();
            var random = new Random(22);

            var deviationWaveDirection = new RoundedDouble(5, random.NextDouble());

            // Call
            input.DeviationWaveDirection = deviationWaveDirection;

            // Assert
            Assert.AreEqual(2, input.DeviationWaveDirection.NumberOfDecimalPlaces);
            AssertEqualValues(deviationWaveDirection, input.DeviationWaveDirection);
        }

        [Test]
        public void Properties_StormDuration_ExpectedValues()
        {
            // Setup
            var input = new ClosingStructuresInput();
            LogNormalDistribution stormDuration = GenerateLogNormalDistribution();

            RoundedDouble initialStd = input.StormDuration.StandardDeviation;

            //Call
            input.StormDuration = stormDuration;

            //Assert
            Assert.AreEqual(stormDuration.Mean, input.StormDuration.Mean);
            AssertEqualValues(initialStd, input.StormDuration.StandardDeviation);
        }

        [Test]
        [TestCase(-1.1)]
        [TestCase(2)]
        public void Properties_ProbabilityOpenStructureBeforeFlooding_ThrowArgumentException(double probability)
        {
            // Setup
            var input = new ClosingStructuresInput();

            // Call
            TestDelegate call = () => input.ProbabilityOpenStructureBeforeFlooding = probability;

            // Assert
            TestHelper.AssertThrowsArgumentExceptionAndTestMessage<ArgumentException>(call, "De waarde voor de faalkans moet in het bereik tussen [0, 1] liggen.");
        }

        [Test]
        [TestCase(0)]
        [TestCase(0.5)]
        [TestCase(1.0)]
        public void Properties_ProbabilityOpenStructureBeforeFlooding_ExpectedValues(double probability)
        {
            // Setup
            var input = new ClosingStructuresInput();

            // Call 
            input.ProbabilityOpenStructureBeforeFlooding = probability;

            // Assert
            Assert.AreEqual(probability, input.ProbabilityOpenStructureBeforeFlooding);
        }

        private void AssertEqualValues(double expectedValue, RoundedDouble actualValue)
        {
            Assert.AreEqual(expectedValue, actualValue, actualValue.GetAccuracy());
        }

        private static LogNormalDistribution GenerateLogNormalDistribution()
        {
            var random = new Random(22);
            return new LogNormalDistribution(2)
            {
                Mean = (RoundedDouble) (0.01 + random.NextDouble()),
                StandardDeviation = (RoundedDouble) random.NextDouble()
            };
        }

        private static NormalDistribution GenerateNormalDistribution()
        {
            var random = new Random(22);
            return new NormalDistribution(2)
            {
                Mean = (RoundedDouble) (0.01 + random.NextDouble()),
                StandardDeviation = (RoundedDouble) random.NextDouble()
            };
        }
    }
}