// 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;
using System.IO;
using Deltares.DamEngine.Interface;
using Deltares.DamEngine.Io.XmlInput;
using Deltares.DamEngine.Io.XmlOutput;
using KellermanSoftware.CompareNetObjects;
using NUnit.Framework;

namespace Deltares.DamEngine.Io.Tests;

/// <summary>
/// This class test just if the (generated) Input an Output class can be used for serializing to and from XML
/// A check, whether the dat itself is correctly written and read is done in 
/// - FillDamFromXmlInputTests.CanWriteAndReadDamProjectDataToXml 
/// - FillXmlOutputFromDamTests.CanWriteAndReadDamProjectDataToXml
/// </summary>
[TestFixture]
public class DamXmlSerializationTests
{
    [Test]
    public void CanReadWriteInputObject()
    {
        const string filename = "Input.xml";
        Input sourceInput = CreatePopulatedInput();
        DamXmlSerialization.SaveInputAsXmlFile(filename, sourceInput);
        Input destinationInput = DamXmlSerialization.LoadInputFromXmlFile(filename);
        CompareInput(sourceInput, destinationInput);
    }

    [Test]
    public void CanReadWriteOutputObject()
    {
        const string filename = "Output.xml";
        Output sourceOutput = CreatePopulatedOutput();
        DamXmlSerialization.SaveOutputAsXmlFile(filename, sourceOutput);
        Output destinationOutput = DamXmlSerialization.LoadOutputFromXmlFile(filename);
        CompareOutput(sourceOutput, destinationOutput);
    }

    [TestCase(1)]
    [TestCase(2)]
    public void Run_UsingTestFiles_ButWithUnsupportedPipingModelFails(int oldPipingModel)
    {
        // testcase 1 = old model PipingModelType.Sellmeijer4Forces
        // testcase 2 = old model PipingModelType.SellmeijerVnk
        const string calcDir = "TestOperationalGrebbedijk";
        const string localWorkingDir = @".\";
        const string baseTestDirectory = @".\";
        if (Directory.Exists(calcDir))
        {
            Directory.Delete(calcDir, true); // delete previous results
        }

        Directory.CreateDirectory(calcDir);
        // Switch to TestFiles directory to check if DamLive can also run from another directory
        string oldLocalWorkingDir = Directory.GetCurrentDirectory();
        try
        {
            Directory.SetCurrentDirectory(localWorkingDir);
            // Based on "DamLive\trunk\src\Deltares.DamLive.Tests\TestData\DamLive\Set2\\output.damx", assume 4Forces
            string inputFileName = baseTestDirectory + @"\TestFiles\GrebbedijkStability4Forces.xml";
            if (oldPipingModel == 2)
            {
                inputFileName = baseTestDirectory + @"\TestFiles\GrebbedijkStabilityVNK.xml";
            }

            string inputString = File.ReadAllText(inputFileName);
            Assert.That(() => new EngineInterface(inputString),
                        Throws.TypeOf(typeof(NotImplementedException)).With.Message.EqualTo("The method or operation is not implemented."));
        }
        finally
        {
            Directory.SetCurrentDirectory(oldLocalWorkingDir);
        }
    }

    private Input CreatePopulatedInput()
    {
        var input = new Input();
        input.DamProjectType = InputDamProjectType.Design;
        return input;
    }

    private void CompareInput(Input expected, Input actual)
    {
        var compare = new CompareLogic
        {
            Config =
            {
                MaxDifferences = 100
            }
        };
        ComparisonResult result = compare.Compare(expected, actual);
        Assert.AreEqual(0, result.Differences.Count, "Differences found read/write Input object");
    }

    private Output CreatePopulatedOutput()
    {
        var output = new Output();
        output.Results = new OutputResults();
        output.Results.CalculationMessages = new Message[3];
        output.Results.CalculationMessages[0] = new Message
        {
            MessageType = MessageMessageType.Error,
            Message1 = "test1"
        };
        output.Results.CalculationMessages[1] = new Message
        {
            MessageType = MessageMessageType.Warning,
            Message1 = "test2"
        };
        output.Results.CalculationMessages[2] = new Message
        {
            MessageType = MessageMessageType.Info,
            Message1 = "test3"
        };
        return output;
    }

    private void CompareOutput(Output expected, Output actual)
    {
        var compare = new CompareLogic
        {
            Config =
            {
                MaxDifferences = 100
            }
        };
        ComparisonResult result = compare.Compare(expected, actual);
        Assert.AreEqual(0, result.Differences.Count, "Differences found read/write Output object");
    }
}