// 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.IO;
using System.Linq;
using Core.Common.Base.Geometry;
using Core.Common.TestUtil;
using NUnit.Framework;
using Rhino.Mocks;
using Ringtoets.Common.Data.AssessmentSection;
using Ringtoets.Common.Data.FailureMechanism;
using Ringtoets.Common.Data.TestUtil;
using Ringtoets.Common.Service.Structures;
using Ringtoets.Common.Service.TestUtil;

namespace Ringtoets.Common.Service.Test.Structures
{
    [TestFixture]
    public class StructuresCalculationServiceBaseTest
    {
        private static readonly string testDataPath = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Integration.Service, "HydraRingCalculation");
        private static readonly string validFilePath = Path.Combine(testDataPath, "HRD dutch coast south.sqlite");

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

            // Call
            TestDelegate test = () => TestStructuresCalculationService.Validate(null, assessmentSection);

            // Assert
            var exception = Assert.Throws<ArgumentNullException>(test);
            Assert.AreEqual("calculation", exception.ParamName);
            mocks.VerifyAll();
        }

        [Test]
        public void Validate_AssessmentSectionNull_ThrowArgumentNullException()
        {
            // Setup
            var calculation = new TestStructuresCalculation();

            // Call
            TestDelegate test = () => TestStructuresCalculationService.Validate(calculation, null);

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

        [Test]
        public void Validate_ValidCalculationInvalidHydraulicBoundaryDatabase_ReturnsFalse()
        {
            // Setup
            var mocks = new MockRepository();
            IAssessmentSection assessmentSectionStub = AssessmentSectionHelper.CreateAssessmentSectionStub(new TestFailureMechanism(), mocks);
            mocks.ReplayAll();

            assessmentSectionStub.HydraulicBoundaryDatabase.FilePath = Path.Combine(testDataPath, "notexisting.sqlite");

            var calculation = new TestStructuresCalculation();

            var isValid = true;

            // Call
            Action call = () => isValid = TestStructuresCalculationService.Validate(calculation, assessmentSectionStub);

            // Assert
            TestHelper.AssertLogMessages(call, messages =>
            {
                string[] msgs = messages.ToArray();
                Assert.AreEqual(3, msgs.Length);
                CalculationServiceTestHelper.AssertValidationStartMessage(msgs[0]);
                StringAssert.StartsWith("Validatie mislukt: Fout bij het lezen van bestand", msgs[1]);
                CalculationServiceTestHelper.AssertValidationEndMessage(msgs[2]);
            });
            Assert.IsFalse(isValid);

            mocks.VerifyAll();
        }

        [Test]
        public void Validate_ValidCalculationValidHydraulicBoundaryDatabaseNoSettings_ReturnsFalse()
        {
            // Setup
            var mocks = new MockRepository();
            IAssessmentSection assessmentSectionStub = AssessmentSectionHelper.CreateAssessmentSectionStub(new TestFailureMechanism(), mocks);
            mocks.ReplayAll();

            assessmentSectionStub.HydraulicBoundaryDatabase.FilePath = Path.Combine(testDataPath, "HRD nosettings.sqlite");

            var calculation = new TestStructuresCalculation();

            var isValid = false;

            // Call
            Action call = () => isValid = TestStructuresCalculationService.Validate(calculation, assessmentSectionStub);

            // Assert
            TestHelper.AssertLogMessages(call, messages =>
            {
                string[] msgs = messages.ToArray();
                Assert.AreEqual(3, msgs.Length);
                CalculationServiceTestHelper.AssertValidationStartMessage(msgs[0]);
                StringAssert.StartsWith("Validatie mislukt: Fout bij het lezen van bestand", msgs[1]);
                CalculationServiceTestHelper.AssertValidationEndMessage(msgs[2]);
            });
            Assert.IsFalse(isValid);

            mocks.VerifyAll();
        }

        [Test]
        public void Validate_CalculationInputWithoutHydraulicBoundaryLocationValidHydraulicBoundaryDatabase_LogsErrorAndReturnsFalse()
        {
            // Setup
            var mocks = new MockRepository();
            IAssessmentSection assessmentSectionStub = AssessmentSectionHelper.CreateAssessmentSectionStub(new TestFailureMechanism(), mocks);
            mocks.ReplayAll();

            assessmentSectionStub.HydraulicBoundaryDatabase.FilePath = validFilePath;

            const string name = "<very nice name>";

            var calculation = new TestStructuresCalculation
            {
                Name = name,
                InputParameters =
                {
                    Structure = new TestStructure()
                }
            };

            var isValid = false;

            // Call
            Action call = () => isValid = TestStructuresCalculationService.Validate(calculation, assessmentSectionStub);

            // Assert
            TestHelper.AssertLogMessages(call, messages =>
            {
                string[] msgs = messages.ToArray();
                Assert.AreEqual(3, msgs.Length);
                CalculationServiceTestHelper.AssertValidationStartMessage(msgs[0]);
                Assert.AreEqual("Validatie mislukt: Er is geen hydraulische randvoorwaardenlocatie geselecteerd.", msgs[1]);
                CalculationServiceTestHelper.AssertValidationEndMessage(msgs[2]);
            });
            Assert.IsFalse(isValid);

            mocks.VerifyAll();
        }

        [Test]
        public void Validate_CalculationWithoutStructuresValidHydraulicBoundaryDatabase_LogsErrorAndReturnsFalse()
        {
            // Setup
            var failureMechanism = new TestFailureMechanism();
            failureMechanism.AddSection(new FailureMechanismSection("test section", new[]
            {
                new Point2D(0, 0),
                new Point2D(1, 1)
            }));

            var mocks = new MockRepository();
            IAssessmentSection assessmentSectionStub = AssessmentSectionHelper.CreateAssessmentSectionStub(failureMechanism, mocks);
            assessmentSectionStub.HydraulicBoundaryDatabase.FilePath = validFilePath;
            mocks.ReplayAll();

            const string name = "<a very nice name>";
            var calculation = new TestStructuresCalculation
            {
                Name = name,
                InputParameters =
                {
                    HydraulicBoundaryLocation = new TestHydraulicBoundaryLocation()
                }
            };

            var isValid = false;

            // Call
            Action call = () => isValid = TestStructuresCalculationService.Validate(calculation, assessmentSectionStub);

            // Assert
            TestHelper.AssertLogMessages(call, messages =>
            {
                string[] msgs = messages.ToArray();
                Assert.AreEqual(3, msgs.Length);
                CalculationServiceTestHelper.AssertValidationStartMessage(msgs[0]);
                Assert.AreEqual("Validatie mislukt: Er is geen kunstwerk geselecteerd.", msgs[1]);
                CalculationServiceTestHelper.AssertValidationEndMessage(msgs[2]);
            });
            Assert.IsFalse(isValid);

            mocks.VerifyAll();
        }

        [Test]
        public void Validate_InputInvalidAccordingToValidationRule_LogErrorAndReturnFalse()
        {
            // Setup
            var failureMechanism = new TestFailureMechanism();
            failureMechanism.AddSection(new FailureMechanismSection("test section", new[]
            {
                new Point2D(0, 0),
                new Point2D(1, 1)
            }));

            var mocks = new MockRepository();
            IAssessmentSection assessmentSectionStub = AssessmentSectionHelper.CreateAssessmentSectionStub(failureMechanism, mocks);
            assessmentSectionStub.HydraulicBoundaryDatabase.FilePath = validFilePath;
            mocks.ReplayAll();

            const string name = "<a very nice name>";
            var calculation = new TestStructuresCalculation
            {
                Name = name,
                InputParameters =
                {
                    Structure = new TestStructure(),
                    HydraulicBoundaryLocation = new TestHydraulicBoundaryLocation(),
                    IsValid = false
                }
            };

            var isValid = false;

            // Call
            Action call = () => isValid = TestStructuresCalculationService.Validate(calculation, assessmentSectionStub);

            // Assert
            TestHelper.AssertLogMessages(call, messages =>
            {
                string[] msgs = messages.ToArray();
                Assert.AreEqual(3, msgs.Length);
                CalculationServiceTestHelper.AssertValidationStartMessage(msgs[0]);
                Assert.AreEqual("Validatie mislukt: Error message", msgs[1]);
                CalculationServiceTestHelper.AssertValidationEndMessage(msgs[2]);
            });
            Assert.IsFalse(isValid);

            mocks.VerifyAll();
        }

        [Test]
        public void Validate_InputValidAccordingToValidationRule_ReturnTrue()
        {
            // Setup
            var failureMechanism = new TestFailureMechanism();
            failureMechanism.AddSection(new FailureMechanismSection("test section", new[]
            {
                new Point2D(0, 0),
                new Point2D(1, 1)
            }));

            var mocks = new MockRepository();
            IAssessmentSection assessmentSectionStub = AssessmentSectionHelper.CreateAssessmentSectionStub(failureMechanism, mocks);
            assessmentSectionStub.HydraulicBoundaryDatabase.FilePath = validFilePath;
            mocks.ReplayAll();

            const string name = "<a very nice name>";
            var calculation = new TestStructuresCalculation
            {
                Name = name,
                InputParameters =
                {
                    Structure = new TestStructure(),
                    HydraulicBoundaryLocation = new TestHydraulicBoundaryLocation(),
                    IsValid = true
                }
            };

            var isValid = false;

            // Call
            Action call = () => isValid = TestStructuresCalculationService.Validate(calculation, assessmentSectionStub);

            // Assert
            TestHelper.AssertLogMessages(call, messages =>
            {
                string[] msgs = messages.ToArray();
                Assert.AreEqual(2, msgs.Length);
                CalculationServiceTestHelper.AssertValidationStartMessage(msgs[0]);
                CalculationServiceTestHelper.AssertValidationEndMessage(msgs[1]);
            });
            Assert.IsTrue(isValid);

            mocks.VerifyAll();
        }

        private class TestStructuresCalculationService : StructuresCalculationServiceBase<TestStructureValidationRulesRegistry,
            TestStructuresInput,
            TestStructure> {}
    }
}