// Copyright (C) Stichting Deltares 2019. All rights reserved.
//
// This file is part of Riskeer.
//
// Riskeer 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.Gui.Converters;
using Core.Common.TestUtil;
using NUnit.Framework;
using Rhino.Mocks;
using Riskeer.Common.Data.AssessmentSection;
using Riskeer.Common.Data.IllustrationPoints;
using Riskeer.Common.Data.Probability;
using Riskeer.Common.Data.TestUtil;
using Riskeer.Common.Forms.Helpers;
using Riskeer.Common.Forms.PropertyClasses;
using Riskeer.Piping.Data;
using Riskeer.Piping.Data.Probabilistic;
using Riskeer.Piping.Data.TestUtil;
using Riskeer.Piping.Forms.PropertyClasses.Probabilistic;

namespace Riskeer.Piping.Forms.Test.PropertyClasses.Probabilistic
{
    [TestFixture]
    public class ProbabilisticFaultTreePipingProfileSpecificOutputPropertiesTest
    {
        private const int requiredProbabilityPropertyIndex = 0;
        private const int requiredReliabilityPropertyIndex = 1;
        private const int probabilityPropertyIndex = 2;
        private const int reliabilityPropertyIndex = 3;
        private const int factorOfSafetyPropertyIndex = 4;
        private const int windDirectionPropertyIndex = 5;
        private const int alphaValuesPropertyIndex = 6;
        private const int durationsPropertyIndex = 7;
        private const int illustrationPointsPropertyIndex = 8;

        private const string illustrationPointsCategoryName = "Illustratiepunten";
        private const string resultCategoryName = "\tResultaat";

        [Test]
        public void Constructor_OutputNull_ThrowArgumentNullException()
        {
            // Setup
            var mocks = new MockRepository();
            var assessmentSection = mocks.Stub<IAssessmentSection>();
            mocks.ReplayAll();

            // Call
            void Call() => new ProbabilisticFaultTreePipingProfileSpecificOutputProperties(
                null, new ProbabilisticPipingCalculationScenario(), new PipingFailureMechanism(), assessmentSection);

            // Assert
            var exception = Assert.Throws<ArgumentNullException>(Call);
            Assert.AreEqual("output", exception.ParamName);

            mocks.VerifyAll();
        }

        [Test]
        public void Constructor_CalculationNull_ThrowArgumentNullException()
        {
            // Setup
            var mocks = new MockRepository();
            var assessmentSection = mocks.Stub<IAssessmentSection>();
            mocks.ReplayAll();

            // Call
            void Call() => new ProbabilisticFaultTreePipingProfileSpecificOutputProperties(
                PipingTestDataGenerator.GetRandomPartialProbabilisticFaultTreePipingOutput(),
                null, new PipingFailureMechanism(), assessmentSection);

            // Assert
            var exception = Assert.Throws<ArgumentNullException>(Call);
            Assert.AreEqual("calculation", exception.ParamName);

            mocks.VerifyAll();
        }

        [Test]
        public void Constructor_FailureMechanismNull_ThrowArgumentNullException()
        {
            // Setup
            var mocks = new MockRepository();
            var assessmentSection = mocks.Stub<IAssessmentSection>();
            mocks.ReplayAll();

            // Call
            void Call() => new ProbabilisticFaultTreePipingProfileSpecificOutputProperties(
                PipingTestDataGenerator.GetRandomPartialProbabilisticFaultTreePipingOutput(),
                new ProbabilisticPipingCalculationScenario(), null, assessmentSection);

            // Assert
            var exception = Assert.Throws<ArgumentNullException>(Call);
            Assert.AreEqual("failureMechanism", exception.ParamName);

            mocks.VerifyAll();
        }

        [Test]
        public void Constructor_AssessmentSectionNull_ThrowArgumentNullException()
        {
            // Call
            void Call() => new ProbabilisticFaultTreePipingProfileSpecificOutputProperties(
                PipingTestDataGenerator.GetRandomPartialProbabilisticFaultTreePipingOutput(),
                new ProbabilisticPipingCalculationScenario(), new PipingFailureMechanism(), null);

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

        [Test]
        public void Constructor_WithParameters_ExpectedValues()
        {
            // Setup
            PartialProbabilisticFaultTreePipingOutput output = PipingTestDataGenerator.GetRandomPartialProbabilisticFaultTreePipingOutput();
            TestPipingFailureMechanism failureMechanism = TestPipingFailureMechanism.GetFailureMechanismWithSurfaceLinesAndStochasticSoilModels();

            var calculation = new ProbabilisticPipingCalculationScenario
            {
                InputParameters =
                {
                    SurfaceLine = failureMechanism.SurfaceLines.First()
                }
            };

            // Call
            var properties = new ProbabilisticFaultTreePipingProfileSpecificOutputProperties(
                output, calculation, failureMechanism, new AssessmentSectionStub());

            // Assert
            Assert.IsInstanceOf<ProbabilisticPipingProfileSpecificOutputProperties>(properties);
            Assert.AreSame(output, properties.Data);
        }

        [Test]
        public void Constructor_HasGeneralResult_PropertiesHaveExpectedAttributesValues()
        {
            // Setup
            PartialProbabilisticFaultTreePipingOutput output = PipingTestDataGenerator.GetRandomPartialProbabilisticFaultTreePipingOutput();
            TestPipingFailureMechanism failureMechanism = TestPipingFailureMechanism.GetFailureMechanismWithSurfaceLinesAndStochasticSoilModels();

            var calculation = new ProbabilisticPipingCalculationScenario
            {
                InputParameters =
                {
                    SurfaceLine = failureMechanism.SurfaceLines.First()
                }
            };

            // Call
            var properties = new ProbabilisticFaultTreePipingProfileSpecificOutputProperties(
                output, calculation, failureMechanism, new AssessmentSectionStub());

            // Assert
            PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
            Assert.AreEqual(9, dynamicProperties.Count);

            PropertyDescriptor requiredProbabilityProperty = dynamicProperties[requiredProbabilityPropertyIndex];
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(requiredProbabilityProperty,
                                                                            resultCategoryName,
                                                                            "Faalkanseis [1/jaar]",
                                                                            "De maximaal toegestane faalkanseis voor het toetsspoor.",
                                                                            true);

            PropertyDescriptor requiredReliabilityProperty = dynamicProperties[requiredReliabilityPropertyIndex];
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(requiredReliabilityProperty,
                                                                            resultCategoryName,
                                                                            "Betrouwbaarheidsindex faalkanseis [-]",
                                                                            "De betrouwbaarheidsindex van de faalkanseis voor het toetsspoor.",
                                                                            true);

            PropertyDescriptor probabilityProperty = dynamicProperties[probabilityPropertyIndex];
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(probabilityProperty,
                                                                            resultCategoryName,
                                                                            "Faalkans [1/jaar]",
                                                                            "De kans dat het toetsspoor optreedt voor deze berekening.",
                                                                            true);

            PropertyDescriptor reliabilityProperty = dynamicProperties[reliabilityPropertyIndex];
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(reliabilityProperty,
                                                                            resultCategoryName,
                                                                            "Betrouwbaarheidsindex faalkans [-]",
                                                                            "De betrouwbaarheidsindex van de faalkans voor deze berekening.",
                                                                            true);

            PropertyDescriptor factorOfSafetyProperty = dynamicProperties[factorOfSafetyPropertyIndex];
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(factorOfSafetyProperty,
                                                                            resultCategoryName,
                                                                            "Veiligheidsfactor [-]",
                                                                            "De veiligheidsfactor voor deze berekening.",
                                                                            true);

            PropertyDescriptor windDirectionProperty = dynamicProperties[windDirectionPropertyIndex];
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(windDirectionProperty,
                                                                            illustrationPointsCategoryName,
                                                                            "Maatgevende windrichting",
                                                                            "De windrichting waarvoor de berekende betrouwbaarheidsindex het laagst is.",
                                                                            true);

            PropertyDescriptor alphaValuesProperty = dynamicProperties[alphaValuesPropertyIndex];
            TestHelper.AssertTypeConverter<ProbabilisticPipingProfileSpecificOutputProperties, KeyValueExpandableArrayConverter>(
                nameof(ProbabilisticPipingProfileSpecificOutputProperties.AlphaValues));
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(alphaValuesProperty,
                                                                            illustrationPointsCategoryName,
                                                                            "Invloedscoëfficiënten [-]",
                                                                            "Berekende invloedscoëfficiënten voor alle beschouwde stochasten.",
                                                                            true);

            PropertyDescriptor durationsProperty = dynamicProperties[durationsPropertyIndex];
            TestHelper.AssertTypeConverter<ProbabilisticPipingProfileSpecificOutputProperties, KeyValueExpandableArrayConverter>(
                nameof(ProbabilisticPipingProfileSpecificOutputProperties.Durations));
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(durationsProperty,
                                                                            illustrationPointsCategoryName,
                                                                            "Tijdsduren [uur]",
                                                                            "Tijdsduren waarop de stochasten betrekking hebben.",
                                                                            true);

            PropertyDescriptor illustrationPointProperty = dynamicProperties[illustrationPointsPropertyIndex];
            TestHelper.AssertTypeConverter<ProbabilisticPipingProfileSpecificOutputProperties, ExpandableArrayConverter>(
                nameof(ProbabilisticPipingProfileSpecificOutputProperties.IllustrationPoints));
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(illustrationPointProperty,
                                                                            illustrationPointsCategoryName,
                                                                            "Illustratiepunten",
                                                                            "De lijst van illustratiepunten voor de berekening.",
                                                                            true);
        }

        [Test]
        public void Constructor_NoGeneralResult_PropertiesHaveExpectedAttributesValues()
        {
            // Setup
            PartialProbabilisticFaultTreePipingOutput output = PipingTestDataGenerator.GetRandomPartialProbabilisticFaultTreePipingOutput(null);
            TestPipingFailureMechanism failureMechanism = TestPipingFailureMechanism.GetFailureMechanismWithSurfaceLinesAndStochasticSoilModels();

            var calculation = new ProbabilisticPipingCalculationScenario
            {
                InputParameters =
                {
                    SurfaceLine = failureMechanism.SurfaceLines.First()
                }
            };

            // Call
            var properties = new ProbabilisticFaultTreePipingProfileSpecificOutputProperties(
                output, calculation, failureMechanism, new AssessmentSectionStub());

            // Assert
            PropertyDescriptorCollection dynamicProperties = PropertiesTestHelper.GetAllVisiblePropertyDescriptors(properties);
            Assert.AreEqual(5, dynamicProperties.Count);

            PropertyDescriptor requiredProbabilityProperty = dynamicProperties[requiredProbabilityPropertyIndex];
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(requiredProbabilityProperty,
                                                                            resultCategoryName,
                                                                            "Faalkanseis [1/jaar]",
                                                                            "De maximaal toegestane faalkanseis voor het toetsspoor.",
                                                                            true);

            PropertyDescriptor requiredReliabilityProperty = dynamicProperties[requiredReliabilityPropertyIndex];
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(requiredReliabilityProperty,
                                                                            resultCategoryName,
                                                                            "Betrouwbaarheidsindex faalkanseis [-]",
                                                                            "De betrouwbaarheidsindex van de faalkanseis voor het toetsspoor.",
                                                                            true);

            PropertyDescriptor probabilityProperty = dynamicProperties[probabilityPropertyIndex];
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(probabilityProperty,
                                                                            resultCategoryName,
                                                                            "Faalkans [1/jaar]",
                                                                            "De kans dat het toetsspoor optreedt voor deze berekening.",
                                                                            true);

            PropertyDescriptor reliabilityProperty = dynamicProperties[reliabilityPropertyIndex];
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(reliabilityProperty,
                                                                            resultCategoryName,
                                                                            "Betrouwbaarheidsindex faalkans [-]",
                                                                            "De betrouwbaarheidsindex van de faalkans voor deze berekening.",
                                                                            true);

            PropertyDescriptor factorOfSafetyProperty = dynamicProperties[factorOfSafetyPropertyIndex];
            PropertiesTestHelper.AssertRequiredPropertyDescriptorProperties(factorOfSafetyProperty,
                                                                            resultCategoryName,
                                                                            "Veiligheidsfactor [-]",
                                                                            "De veiligheidsfactor voor deze berekening.",
                                                                            true);
        }

        [Test]
        public void GetProperties_WithData_ReturnExpectedValues()
        {
            // Setup
            TestPipingFailureMechanism failureMechanism = TestPipingFailureMechanism.GetFailureMechanismWithSurfaceLinesAndStochasticSoilModels();
            IAssessmentSection assessmentSection = new AssessmentSectionStub();

            var calculation = new ProbabilisticPipingCalculationScenario
            {
                InputParameters =
                {
                    SurfaceLine = failureMechanism.SurfaceLines.First()
                }
            };

            PartialProbabilisticFaultTreePipingOutput output = PipingTestDataGenerator.GetRandomPartialProbabilisticFaultTreePipingOutput();

            // Call
            var properties = new ProbabilisticFaultTreePipingProfileSpecificOutputProperties(
                output, calculation, failureMechanism, assessmentSection);
            
            // Assert
            ProbabilityAssessmentOutput expectedProbabilityAssessmentOutput = PipingProbabilityAssessmentOutputFactory.Create(output,
                                                                                                                              calculation,
                                                                                                                              failureMechanism,
                                                                                                                              assessmentSection);

            Assert.AreEqual(ProbabilityFormattingHelper.Format(expectedProbabilityAssessmentOutput.RequiredProbability), properties.RequiredProbability);
            Assert.AreEqual(expectedProbabilityAssessmentOutput.RequiredReliability, properties.RequiredReliability, properties.RequiredReliability.GetAccuracy());
            Assert.AreEqual(ProbabilityFormattingHelper.Format(expectedProbabilityAssessmentOutput.Probability), properties.Probability);
            Assert.AreEqual(expectedProbabilityAssessmentOutput.Reliability, properties.Reliability, properties.Reliability.GetAccuracy());
            Assert.AreEqual(expectedProbabilityAssessmentOutput.FactorOfSafety, properties.FactorOfSafety, properties.FactorOfSafety.GetAccuracy());

            GeneralResult<TopLevelFaultTreeIllustrationPoint> generalResult = output.GeneralResult;

            Assert.AreEqual(generalResult.GoverningWindDirection.Name, properties.WindDirection);

            int nrOfExpectedStochasts = generalResult.Stochasts.Count();
            Assert.AreEqual(nrOfExpectedStochasts, properties.AlphaValues.Length);
            Assert.AreEqual(nrOfExpectedStochasts, properties.Durations.Length);
            Stochast expectedStochast = generalResult.Stochasts.First();
            Assert.AreEqual(expectedStochast.Alpha, properties.AlphaValues[0].Alpha);
            Assert.AreEqual(expectedStochast.Duration, properties.Durations[0].Duration);

            int nrOfExpectedTopLevelIllustrationPoints = generalResult.TopLevelIllustrationPoints.Count();
            Assert.AreEqual(nrOfExpectedTopLevelIllustrationPoints, properties.IllustrationPoints.Length);

            CollectionAssert.AreEqual(generalResult.TopLevelIllustrationPoints, properties.IllustrationPoints.Select(i => i.Data));
        }

        [Test]
        public void IllustrationPoints_WithoutGeneralResult_ReturnsEmptyTopLevelFaultTreeIllustrationPointPropertiesArray()
        {
            // Setup
            TestPipingFailureMechanism failureMechanism = TestPipingFailureMechanism.GetFailureMechanismWithSurfaceLinesAndStochasticSoilModels();

            var calculation = new ProbabilisticPipingCalculationScenario
            {
                InputParameters =
                {
                    SurfaceLine = failureMechanism.SurfaceLines.First()
                }
            };
            
            PartialProbabilisticFaultTreePipingOutput output = PipingTestDataGenerator.GetRandomPartialProbabilisticFaultTreePipingOutput(null);
            var properties = new ProbabilisticFaultTreePipingProfileSpecificOutputProperties(
                output, calculation, failureMechanism, new AssessmentSectionStub());

            // Call
            TopLevelFaultTreeIllustrationPointProperties[] illustrationPoints = properties.IllustrationPoints;

            // Assert
            CollectionAssert.IsEmpty(illustrationPoints);
        }
    }
}