// Copyright (C) Stichting Deltares 2024. 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.IO;
using Deltares.DamEngine.Io;
using Deltares.DamEngine.Io.XmlOutput;
using Deltares.DamEngine.TestHelpers;
using NUnit.Framework;

namespace Deltares.DamEngine.IntegrationTests.IntegrationTests;

/// <summary>
/// These tests were based on DamLiveIntegrationTest.Run_UsingTestFiles_HasExpectedResultsInOutputFile()
/// </summary>
[TestFixture]
class OperationalIntegrationTests
{
    private const double tolerance = 0.0005;

    [Test]
    [Category(Categories.WorkInProgress), Ignore("This test is not yet implemented, waits on stix implementation")]
    public void Run_UsingTestFiles_HasExpectedResultsInOutputFile()
    {
        const string calcDir = "TestOperationalIntegration";
        if (Directory.Exists(calcDir))
        {
            Directory.Delete(calcDir, true); // delete previous results
        }

        Directory.CreateDirectory(calcDir);

        // Based on "DamLive\trunk\src\Deltares.DamLive.Tests\TestData\DamLive\Set2\\output.damx"
        const string inputFileName = @"TestFiles\OperationalSet2.xml";
        const string outputFileName = @"TestFiles\OperationalSet2.output.xml";
        string inputString = File.ReadAllText(inputFileName);
        inputString = XmlAdapter.ChangeValueInXml(inputString, "ProjectPath", ""); // Current directory will be used
        inputString = XmlAdapter.ChangeValueInXml(inputString, "CalculationMap", calcDir); // Current directory will be used
        inputString = XmlAdapter.ChangeValueInXml(inputString, "MapForSoilgeometries2D", @"TestFiles\output.Geometries\");
        inputString = XmlAdapter.ChangeValueInXml(inputString, "SoilDatabaseName", @"TestFiles\output0.soilmaterials.mdb");

        Output output = GeneralHelper.RunAfterInputValidation(inputString, true, outputFileName);

        Assert.That(output.Results.OperationalOutputTimeSeries[0].Entries.TimeSerieEntry[0].Value, Is.EqualTo(1.226).Within(tolerance));
        Assert.That(output.Results.OperationalOutputTimeSeries[1].Entries.TimeSerieEntry[0].Value, Is.EqualTo(1.244).Within(tolerance));
        Assert.That(output.Results.OperationalOutputTimeSeries[2].Entries.TimeSerieEntry[0].Value, Is.EqualTo(1.311).Within(tolerance));
    }

    [Test, Category(Categories.MultiCore), Category(Categories.WorkInProgress), Ignore("This test is not yet implemented, waits on stix implementation")]
    // This test runs the same project as Run_UsingTestFiles_HasExpectedResultsInOutputFile
    // except that it runs it with both single core and multi core.
    // The output of both runs must be the same
    public void CompareResultFromMultiCoreRunWithSingleCoreRun()
    {
        var calcDir = "TestOperationalIntegrationSingleCore";
        var outputFileName = @"OperationalSet2SingleCore.output.xml";
        Output output = RunTestProjectCores(calcDir, outputFileName, 1);
        string outputSingleCore = DamXmlSerialization.SaveOutputAsXmlString(output);

        calcDir = "TestOperationalIntegrationMultiCore";
        outputFileName = @"OperationalSet2MultiCore.output.xml";
        output = RunTestProjectCores(calcDir, outputFileName, 4);
        string outputMultiCore = DamXmlSerialization.SaveOutputAsXmlString(output);

        Assert.That(outputMultiCore, Is.EqualTo(outputSingleCore));
    }

    private Output RunTestProjectCores(string calcDir, string outputFileName, int coreCount)
    {
        if (Directory.Exists(calcDir))
        {
            Directory.Delete(calcDir, true); // delete previous results
        }

        Directory.CreateDirectory(calcDir);

        const string inputFileName = @"TestFiles\OperationalSet2.xml";
        string inputString = File.ReadAllText(inputFileName);
        inputString = XmlAdapter.ChangeValueInXml(inputString, "ProjectPath", ""); // Current directory will be used
        inputString = XmlAdapter.ChangeValueInXml(inputString, "CalculationMap", calcDir); // Current directory will be used
        inputString = XmlAdapter.ChangeValueInXml(inputString, "MapForSoilgeometries2D", @"TestFiles\output.Geometries\");
        inputString = XmlAdapter.ChangeValueInXml(inputString, "SoilDatabaseName", @"TestFiles\output0.soilmaterials.mdb");
        inputString = XmlAdapter.ChangeValueInXml(inputString, "MaxCalculationCores", coreCount.ToString());

        return GeneralHelper.RunAfterInputValidation(inputString, false);
    }
}