// 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 Core.Common.Base.Data;
using Core.Common.Base.Geometry;
using Core.Common.TestUtil;
using NUnit.Framework;
using Ringtoets.ClosingStructures.Data;
using Ringtoets.ClosingStructures.Forms.Views;
using Ringtoets.Common.Data.Calculation;
using Ringtoets.Common.Data.FailureMechanism;
using Ringtoets.Common.Data.Structures;
using Ringtoets.Common.Data.TestUtil;
using Ringtoets.Common.Forms.TypeConverters;
using Ringtoets.Common.Forms.Views;

namespace Ringtoets.ClosingStructures.Forms.Test.Views
{
    [TestFixture]
    public class ClosingStructuresFailureMechanismSectionResultRowTest
    {
        [Test]
        public void Constructor_WithParameters_ExpectedValues()
        {
            // Setup
            FailureMechanismSection section = CreateSection();
            var result = new ClosingStructuresFailureMechanismSectionResult(section);

            // Call
            var row = new ClosingStructuresFailureMechanismSectionResultRow(result);

            // Assert
            Assert.IsInstanceOf<FailureMechanismSectionResultRow<ClosingStructuresFailureMechanismSectionResult>>(row);
            Assert.AreEqual(result.AssessmentLayerTwoA, row.AssessmentLayerTwoA);
            TestHelper.AssertTypeConverter<ClosingStructuresFailureMechanismSectionResultRow, NoProbabilityValueDoubleConverter>(
                nameof(ClosingStructuresFailureMechanismSectionResultRow.AssessmentLayerTwoA));
            TestHelper.AssertTypeConverter<ClosingStructuresFailureMechanismSectionResultRow, NoProbabilityValueRoundedDoubleConverter>(
                nameof(ClosingStructuresFailureMechanismSectionResultRow.AssessmentLayerThree));
        }

        [Test]
        public void AssessmentLayerTwoA_NoCalculationSet_ReturnNaN()
        {
            // Setup
            FailureMechanismSection section = CreateSection();
            var sectionResult = new ClosingStructuresFailureMechanismSectionResult(section);

            // Precondition
            Assert.IsNull(sectionResult.Calculation);

            var resultRow = new ClosingStructuresFailureMechanismSectionResultRow(sectionResult);

            // Call
            double assessmentLayerTwoA = resultRow.AssessmentLayerTwoA;

            // Assert
            Assert.IsNaN(assessmentLayerTwoA);
        }

        [Test]
        [TestCase(CalculationScenarioStatus.Failed)]
        [TestCase(CalculationScenarioStatus.NotCalculated)]
        public void AssessmentLayerTwoA_CalculationNotDone_ReturnNaN(CalculationScenarioStatus status)
        {
            // Setup
            var calculation = new StructuresCalculation<ClosingStructuresInput>();
            if (status == CalculationScenarioStatus.Failed)
            {
                calculation.Output = new TestStructuresOutput(double.NaN);
            }

            FailureMechanismSection section = CreateSection();
            var sectionResult = new ClosingStructuresFailureMechanismSectionResult(section)
            {
                Calculation = calculation
            };

            var resultRow = new ClosingStructuresFailureMechanismSectionResultRow(sectionResult);

            // Call
            double assessmentLayerTwoA = resultRow.AssessmentLayerTwoA;

            // Assert
            Assert.IsNaN(assessmentLayerTwoA);
        }

        [Test]
        public void AssessmentLayerTwoA_CalculationSuccessful_ReturnAssessmentLayerTwoA()
        {
            // Setup
            const double probability = 0.586789;
            var calculation = new StructuresCalculation<ClosingStructuresInput>
            {
                Output = new TestStructuresOutput(probability)
            };

            FailureMechanismSection section = CreateSection();
            var sectionResult = new ClosingStructuresFailureMechanismSectionResult(section)
            {
                Calculation = calculation
            };

            var resultRow = new ClosingStructuresFailureMechanismSectionResultRow(sectionResult);

            // Call
            double assessmentLayerTwoA = resultRow.AssessmentLayerTwoA;

            // Assert
            Assert.AreEqual(probability, assessmentLayerTwoA);
        }

        [Test]
        public void GetSectionResultCalculation_NoCalculationSetOnSectionResult_ReturnNull()
        {
            // Setup
            FailureMechanismSection section = CreateSection();
            var result = new ClosingStructuresFailureMechanismSectionResult(section);

            // Precondition
            Assert.IsNull(result.Calculation);

            var row = new ClosingStructuresFailureMechanismSectionResultRow(result);

            // Call
            StructuresCalculation<ClosingStructuresInput> calculation = row.GetSectionResultCalculation();

            // Assert
            Assert.IsNull(calculation);
        }

        [Test]
        public void GetSectionResultCalculation_WithCalculationSetOnSectionResult_ReturnCalculation()
        {
            // Setup
            var expectedCalculation = new StructuresCalculation<ClosingStructuresInput>();

            FailureMechanismSection section = CreateSection();
            var result = new ClosingStructuresFailureMechanismSectionResult(section)
            {
                Calculation = expectedCalculation
            };

            var row = new ClosingStructuresFailureMechanismSectionResultRow(result);

            // Call
            StructuresCalculation<ClosingStructuresInput> calculation = row.GetSectionResultCalculation();

            // Assert
            Assert.AreSame(expectedCalculation, calculation);
        }

        [Test]
        public void AssessmentLayerThree_ValueSet_ReturnExpectedValue()
        {
            // Setup
            var random = new Random(21);
            RoundedDouble assessmentLayerThree = random.NextRoundedDouble();

            var sectionResult = new ClosingStructuresFailureMechanismSectionResult(CreateSection());
            var row = new ClosingStructuresFailureMechanismSectionResultRow(sectionResult);

            // Call
            row.AssessmentLayerThree = assessmentLayerThree;

            // Assert
            Assert.AreEqual(assessmentLayerThree, sectionResult.AssessmentLayerThree);
        }

        private static FailureMechanismSection CreateSection()
        {
            return new FailureMechanismSection("name", new[]
            {
                new Point2D(0, 0)
            });
        }
    }
}