// 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 System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using Core.Common.Base;
using Core.Common.Base.IO;
using Core.Common.Gui;
using Core.Common.Gui.Plugin;
using Core.Common.TestUtil;
using NUnit.Framework;
using Rhino.Mocks;
using Ringtoets.Common.Data.AssessmentSection;
using Ringtoets.Common.Data.Calculation;
using Ringtoets.Common.Data.FailureMechanism;
using Ringtoets.Common.Forms.PresentationObjects;
using Ringtoets.Common.IO.ReferenceLines;
using RingtoetsCommonFormsResources = Ringtoets.Common.Forms.Properties.Resources;

namespace Ringtoets.Integration.Plugin.Test.ImportInfos
{
    [TestFixture]
    public class FailureMechanismSectionsContextImportInfoTest
    {
        private ImportInfo importInfo;
        private RingtoetsPlugin plugin;

        [SetUp]
        public void SetUp()
        {
            plugin = new RingtoetsPlugin();
            importInfo = plugin.GetImportInfos().First(i => i.DataType == typeof(FailureMechanismSectionsContext));
        }

        [TearDown]
        public void TearDown()
        {
            plugin.Dispose();
        }

        [Test]
        public void Name_Always_ReturnExpectedName()
        {
            // Call
            string name = importInfo.Name;

            // Assert
            Assert.AreEqual("Vakindeling", name);
        }

        [Test]
        public void Category_Always_ReturnExpectedCategory()
        {
            // Call
            string category = importInfo.Category;

            // Assert
            Assert.AreEqual("Algemeen", category);
        }

        [Test]
        public void Image_Always_ReturnExpectedIcon()
        {
            // Call
            Image image = importInfo.Image;

            // Assert
            TestHelper.AssertImagesAreEqual(RingtoetsCommonFormsResources.SectionsIcon, image);
        }

        [Test]
        public void IsEnabled_ReferenceLineNull_ReturnFalse()
        {
            // Setup
            var mocks = new MockRepository();
            var failureMechanism = mocks.Stub<IFailureMechanism>();
            var assessmentSection = mocks.Stub<IAssessmentSection>();
            assessmentSection.ReferenceLine = null;
            mocks.ReplayAll();

            var context = new FailureMechanismSectionsContext(failureMechanism, assessmentSection);

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

            // Assert
            Assert.IsFalse(isEnabled);
            mocks.VerifyAll();
        }

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

            var context = new FailureMechanismSectionsContext(failureMechanism, assessmentSection);

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

            // Assert
            Assert.IsTrue(isEnabled);
            mocks.VerifyAll();
        }

        [Test]
        public void FileFilter_Always_ReturnExpectedFileFilter()
        {
            // Call
            FileFilterGenerator fileFilter = importInfo.FileFilter;

            // Assert
            Assert.AreEqual("Shapebestand (*.shp)|*.shp", fileFilter.Filter);
        }

        [Test]
        public void CreateFileImporter_ValidInput_SuccessfulImport()
        {
            // Setup
            var referenceLineFilePath = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Common.IO,
                                                                   Path.Combine("ReferenceLine", "traject_1-1.shp"));
            var sectionsFilePath = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Common.IO,
                                                              Path.Combine("FailureMechanismSections", "traject_1-1_vakken.shp"));

            var mocks = new MockRepository();
            var assessmentSection = mocks.Stub<IAssessmentSection>();
            var handler = mocks.Stub<IReferenceLineReplaceHandler>();
            handler.Stub(h => h.ConfirmReplace()).Return(true);
            handler.Stub(h => h.Replace(Arg<IAssessmentSection>.Is.Same(assessmentSection),
                                        Arg<ReferenceLine>.Is.NotNull))
                   .WhenCalled(invocation =>
                   {
                       var importedReferenceLine = (ReferenceLine) invocation.Arguments[1];
                       assessmentSection.ReferenceLine = importedReferenceLine;
                   })
                   .Return(Enumerable.Empty<IObservable>());
            mocks.ReplayAll();

            var failureMechanism = new Simple();

            var referenceLineImporter = new ReferenceLineImporter(assessmentSection, handler, referenceLineFilePath);
            referenceLineImporter.Import();

            var importTarget = new FailureMechanismSectionsContext(failureMechanism, assessmentSection);

            // Call
            IFileImporter importer = importInfo.CreateFileImporter(importTarget, sectionsFilePath);

            // Assert
            Assert.IsTrue(importer.Import());
            mocks.VerifyAll();
        }

        private class Simple : FailureMechanismBase
        {
            public Simple() : base("Stubbed name", "Stubbed code") {}

            public override IEnumerable<ICalculation> Calculations
            {
                get
                {
                    throw new NotImplementedException();
                }
            }
        }
    }
}