// Copyright (C) Stichting Deltares 2023. All rights reserved.
// 
// This file is part of the Dam Engine.
// 
// The Dam Engine is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero 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 Affero General Public License for more details.
// 
// You should have received a copy of the GNU Affero 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.Diagnostics;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using Deltares.DamEngine.Data.General;
using Deltares.DamEngine.Interface;
using Deltares.DamEngine.Io;
using Deltares.DamEngine.Io.XmlOutput;
using Deltares.DamEngine.TestHelpers;
using NUnit.Framework;

namespace Deltares.DamEngine.IntegrationTests.IntegrationTests;

[TestFixture]
public class MultiCoreMacroStabilityTests
{
    private const string mapTestFiles = @"TestFiles\";
    const string testWorkingFolder = @"MultiCore\";

    [SetUp]
    public void Setup()// Fixture()
    {
        RemoveTestWorkingDirectory(testWorkingFolder); // to be sure no test directory exist from previous tests
    }

    [TearDown]
    public void TearDown()//Fixture()
    {
        RemoveTestWorkingDirectory(testWorkingFolder); // to be sure no test directory exist after the tests
    }

    [Test]
    [TestCase("OperationalBishopGrid1Core.xml")]
    [TestCase("OperationalBishopGrid2Cores.xml")]
    [TestCase("OperationalBishopGrid4Cores.xml")]
    [TestCase("OperationalBishopGrid8Cores.xml")]
    [TestCase("OperationalBishopGrid18Cores.xml")]
    public void OperationalBishopGridTestsWithXmlInputFile(string aFileName)
    {
        //const string inputFilename = "InputForDebugging.xml"; // or put your own name here;
        string fullInputFilename = Path.Combine(mapTestFiles, aFileName);
        Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;
        string inputString = File.ReadAllText(fullInputFilename);
        var engineInterface = new EngineInterface(inputString);
        Assert.IsNotNull(engineInterface.DamProjectData);
        engineInterface.DamProjectData.ProjectPath = @"MultiCore\";
        string result = engineInterface.Validate();
        Assert.IsTrue(result == null, "Validation must succeed but does not, see output xml in debugger");
        string outputString = engineInterface.Run();
        File.WriteAllText("Output.xml", outputString);
        Output output = DamXmlSerialization.LoadOutputFromXmlString(outputString);
        if (engineInterface.DamProjectData.DamProjectType == DamProjectType.Design)
        {
            Assert.AreNotEqual(null, output.Results.CalculationResults);
        }
        else
        {
            Assert.AreEqual(8, output.Results.OperationalOutputTimeSeries.Length);
            int numberOfResults = 0;
            int numberOfRealResults = 0;
            foreach (TimeSerie resultSerie in output.Results.OperationalOutputTimeSeries)
            {
                numberOfResults += resultSerie.Entries.TimeSerieEntry.Length;
                foreach (TimeSerieEntriesTimeSerieEntry timeSerieEntriesTimeSerieEntry in resultSerie.Entries.TimeSerieEntry)
                {
                    if (!Double.IsNaN(timeSerieEntriesTimeSerieEntry.Value))
                    {
                        numberOfRealResults++;
                    }
                }
            }
            Assert.AreEqual(16, numberOfResults);
            Assert.AreEqual(16, numberOfRealResults);
        }
    }

    [Test]//, Ignore("This test is only used for debugging XML files generated by Dam UI")]
    [TestCase("DesignBishopGrid1Core.xml")]
    [TestCase("DesignBishopGrid2Cores.xml")]
    [TestCase("DesignBishopGrid4Cores.xml")]
    [TestCase("DesignBishopGrid8Cores.xml")]
    [TestCase("DesignBishopGrid18Cores.xml")]
    public void DebugDesignWithXmlInputFile(string aFileName)
    {
        string fullInputFilename = Path.Combine(mapTestFiles, aFileName);
        Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;
        string inputString = File.ReadAllText(fullInputFilename);
        var engineInterface = new EngineInterface(inputString);
        Assert.IsNotNull(engineInterface.DamProjectData);
        engineInterface.DamProjectData.ProjectPath = @"MultiCore\";
        string result = engineInterface.Validate();
        Assert.IsTrue(result == null, "Validation must succeed but does not, see output xml in debugger");
        string outputString = engineInterface.Run();
        File.WriteAllText("Output.xml", outputString);
        Output output = DamXmlSerialization.LoadOutputFromXmlString(outputString);
        if (engineInterface.DamProjectData.DamProjectType == DamProjectType.Design)
        {
            Assert.AreNotEqual(null, output.Results.CalculationResults);
        }
        else
        {
            Assert.AreEqual(8, output.Results.OperationalOutputTimeSeries.Length);
            int numberOfResults = 0;
            int numberOfRealResults = 0;
            foreach (TimeSerie resultSerie in output.Results.OperationalOutputTimeSeries)
            {
                numberOfResults += resultSerie.Entries.TimeSerieEntry.Length;
                foreach (TimeSerieEntriesTimeSerieEntry timeSerieEntriesTimeSerieEntry in resultSerie.Entries.TimeSerieEntry)
                {
                    if (!Double.IsNaN(timeSerieEntriesTimeSerieEntry.Value))
                    {
                        numberOfRealResults++;
                    }
                }
            }
            Assert.AreEqual(16, numberOfResults);
            Assert.AreEqual(16, numberOfRealResults);
        }
    }

    private static void RemoveTestWorkingDirectory(string testWorkingFolder)
    {
        if (Directory.Exists(testWorkingFolder))
        {
            const bool recursive = true;
            Directory.Delete(testWorkingFolder, recursive);
        }
    }
}