// 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.Collections.Generic;
using System.Linq;
using Core.Common.Base;
using Core.Common.Base.IO;
using Core.Common.Gui.Plugin;
using Core.Common.TestUtil;
using Core.Common.Util;
using NUnit.Framework;
using Rhino.Mocks;
using Ringtoets.Common.Data.AssessmentSection;
using Ringtoets.DuneErosion.Data;
using Ringtoets.DuneErosion.Data.TestUtil;
using Ringtoets.DuneErosion.Forms.PresentationObjects;
using Ringtoets.DuneErosion.IO;
using CoreCommonGuiResources = Core.Common.Gui.Properties.Resources;

namespace Ringtoets.DuneErosion.Plugin.Test.ExportInfos
{
    [TestFixture]
    public class DuneLocationCalculationsGroupContextExportInfoTest
    {
        [Test]
        public void Initialized_Always_ExpectedPropertiesSet()
        {
            // Setup
            using (var plugin = new DuneErosionPlugin())
            {
                // Call
                ExportInfo info = GetExportInfo(plugin);

                // Assert
                Assert.IsNotNull(info.CreateFileExporter);
                Assert.IsNotNull(info.IsEnabled);
                Assert.AreEqual("Hydraulische belastingen", info.Name);
                Assert.AreEqual("Algemeen", info.Category);
                TestHelper.AssertImagesAreEqual(CoreCommonGuiResources.ExportIcon, info.Image);
                Assert.IsNotNull(info.FileFilterGenerator);
            }
        }

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

            var context = new DuneLocationCalculationsGroupContext(new ObservableList<DuneLocation>(),
                                                                   new DuneErosionFailureMechanism(),
                                                                   assessmentSection);

            using (var plugin = new DuneErosionPlugin())
            {
                ExportInfo info = GetExportInfo(plugin);

                // Call
                IFileExporter fileExporter = info.CreateFileExporter(context, "test");

                // Assert
                Assert.IsInstanceOf<DuneLocationCalculationsExporter>(fileExporter);
            }

            mocks.VerifyAll();
        }

        [Test]
        public void FileFilterGenerator_Always_ReturnFileFilter()
        {
            // Setup
            using (var plugin = new DuneErosionPlugin())
            {
                ExportInfo info = GetExportInfo(plugin);

                // Call
                FileFilterGenerator fileFilterGenerator = info.FileFilterGenerator;

                // Assert
                Assert.AreEqual("Hydraulische belastingen duinen (*.bnd)|*.bnd", fileFilterGenerator.Filter);
            }
        }

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

            var failureMechanism = new DuneErosionFailureMechanism();
            failureMechanism.SetDuneLocations(new[]
            {
                new TestDuneLocation()
            });
            var context = new DuneLocationCalculationsGroupContext(new ObservableList<DuneLocation>(),
                                                                   failureMechanism,
                                                                   assessmentSection);

            using (var plugin = new DuneErosionPlugin())
            {
                ExportInfo info = GetExportInfo(plugin);

                // Call
                bool isEnabled = info.IsEnabled(context);

                // Assert
                Assert.IsFalse(isEnabled);
            }

            mocks.VerifyAll();
        }

        [Test]
        [TestCaseSource(nameof(GetCalculationListFuncs))]
        public void IsEnabled_CalculationsWithOutput_ReturnTrue(Func<DuneErosionFailureMechanism, IObservableEnumerable<DuneLocationCalculation>> getCalculationsFunc)
        {
            // Setup
            var mocks = new MockRepository();
            var assessmentSection = mocks.Stub<IAssessmentSection>();
            mocks.ReplayAll();

            var failureMechanism = new DuneErosionFailureMechanism();
            failureMechanism.SetDuneLocations(new[]
            {
                new TestDuneLocation()
            });
            var context = new DuneLocationCalculationsGroupContext(new ObservableList<DuneLocation>(),
                                                                   failureMechanism,
                                                                   assessmentSection);
            getCalculationsFunc(context.FailureMechanism).Single().Output = new TestDuneLocationCalculationOutput();

            using (var plugin = new DuneErosionPlugin())
            {
                ExportInfo info = GetExportInfo(plugin);

                // Call
                bool isEnabled = info.IsEnabled(context);

                // Assert
                Assert.IsTrue(isEnabled);
            }

            mocks.VerifyAll();
        }

        private static ExportInfo GetExportInfo(DuneErosionPlugin plugin)
        {
            return plugin.GetExportInfos().First(ei => ei.DataType == typeof(DuneLocationCalculationsGroupContext));
        }

        private static IEnumerable<TestCaseData> GetCalculationListFuncs()
        {
            yield return new TestCaseData(new Func<DuneErosionFailureMechanism, IObservableEnumerable<DuneLocationCalculation>>(
                                              failureMechanism => failureMechanism.CalculationsForMechanismSpecificFactorizedSignalingNorm))
                .SetName("Failure mechanism specific factorized signaling norm");

            yield return new TestCaseData(new Func<DuneErosionFailureMechanism, IObservableEnumerable<DuneLocationCalculation>>(
                                              failureMechanism => failureMechanism.CalculationsForMechanismSpecificSignalingNorm))
                .SetName("Failure mechanism specific signaling norm");

            yield return new TestCaseData(new Func<DuneErosionFailureMechanism, IObservableEnumerable<DuneLocationCalculation>>(
                                              failureMechanism => failureMechanism.CalculationsForMechanismSpecificLowerLimitNorm))
                .SetName("Failure mechanism specific lower limit norm");

            yield return new TestCaseData(new Func<DuneErosionFailureMechanism, IObservableEnumerable<DuneLocationCalculation>>(
                                              failureMechanism => failureMechanism.CalculationsForLowerLimitNorm))
                .SetName("Lower limit norm");

            yield return new TestCaseData(new Func<DuneErosionFailureMechanism, IObservableEnumerable<DuneLocationCalculation>>(
                                              failureMechanism => failureMechanism.CalculationsForFactorizedLowerLimitNorm))
                .SetName("Factorized lower limit norm");
        }
    }
}