// <copyright file="PlugInTypeExtensionTest.cs" company="MUnique">
// Licensed under the MIT License. See LICENSE file in the project root for full license information.
// </copyright>

namespace MUnique.OpenMU.PlugIns.Tests;

using MUnique.OpenMU.GameServer;
using MUnique.OpenMU.Network.PlugIns;

/// <summary>
/// Tests for the <see cref="PlugInTypeExtensions"/>.
/// </summary>
[TestFixture]
public class PlugInTypeExtensionTest
{
    /// <summary>
    /// Tests the maximum client version requirement.
    /// </summary>
    [Test]
    public void ConsiderMaximumClientVersion()
    {
        Assert.That(new ClientVersion(6, 3, ClientLanguage.English).IsPlugInSuitable(typeof(PlugInTypeUntilSeason1)), Is.False);
        Assert.That(new ClientVersion(1, 1, ClientLanguage.English).IsPlugInSuitable(typeof(PlugInTypeUntilSeason1)), Is.False);
        Assert.That(new ClientVersion(1, 0, ClientLanguage.English).IsPlugInSuitable(typeof(PlugInTypeUntilSeason1)), Is.True);
        Assert.That(new ClientVersion(0, 99, ClientLanguage.English).IsPlugInSuitable(typeof(PlugInTypeUntilSeason1)), Is.True);
    }

    /// <summary>
    /// Tests the minimum client version requirement.
    /// </summary>
    [Test]
    public void ConsiderMinimumClientVersion()
    {
        Assert.That(new ClientVersion(6, 3, ClientLanguage.English).IsPlugInSuitable(typeof(PlugInTypeAfterSeason2)), Is.True);
        Assert.That(new ClientVersion(2, 0, ClientLanguage.English).IsPlugInSuitable(typeof(PlugInTypeAfterSeason2)), Is.True);
        Assert.That(new ClientVersion(1, 255, ClientLanguage.English).IsPlugInSuitable(typeof(PlugInTypeAfterSeason2)), Is.False);
    }

    /// <summary>
    /// Tests the minimum and maximum client version requirements in combination.
    /// </summary>
    [Test]
    public void ConsiderMinimumAndMaximumClientVersion()
    {
        Assert.That(new ClientVersion(6, 3, ClientLanguage.English).IsPlugInSuitable(typeof(PlugInTypeBetweenSeason1And2)), Is.False);
        Assert.That(new ClientVersion(2, 0, ClientLanguage.English).IsPlugInSuitable(typeof(PlugInTypeBetweenSeason1And2)), Is.True);
        Assert.That(new ClientVersion(1, 0, ClientLanguage.English).IsPlugInSuitable(typeof(PlugInTypeBetweenSeason1And2)), Is.True);
        Assert.That(new ClientVersion(0, 255, ClientLanguage.English).IsPlugInSuitable(typeof(PlugInTypeBetweenSeason1And2)), Is.False);

        Assert.That(new ClientVersion(1, 1, ClientLanguage.English).IsPlugInSuitable(typeof(PlugInTypeAtExactlySeason1)), Is.False);
        Assert.That(new ClientVersion(1, 0, ClientLanguage.English).IsPlugInSuitable(typeof(PlugInTypeAtExactlySeason1)), Is.True);
        Assert.That(new ClientVersion(0, 255, ClientLanguage.English).IsPlugInSuitable(typeof(PlugInTypeAtExactlySeason1)), Is.False);
    }

    /// <summary>
    /// Tests if minimum and maximum client version requirements are not inherited from base classes.
    /// </summary>
    [Test]
    public void DontConsiderInheritedAttributes()
    {
        Assert.That(new ClientVersion(1, 1, ClientLanguage.English).IsPlugInSuitable(typeof(PlugInWithInheritedAttribute)), Is.True);
        Assert.That(new ClientVersion(0, 255, ClientLanguage.English).IsPlugInSuitable(typeof(PlugInWithInheritedAttribute)), Is.True);
    }

    [MaximumClient(1, 0, ClientLanguage.Invariant)]
    private class PlugInTypeUntilSeason1
    {
    }

    [MinimumClient(2, 0, ClientLanguage.Invariant)]
    private class PlugInTypeAfterSeason2
    {
    }

    [MinimumClient(1, 0, ClientLanguage.Invariant)]
    [MaximumClient(2, 0, ClientLanguage.Invariant)]
    private class PlugInTypeBetweenSeason1And2
    {
    }

    [MaximumClient(1, 0, ClientLanguage.Invariant)]
    [MinimumClient(1, 0, ClientLanguage.Invariant)]
    private class PlugInTypeAtExactlySeason1
    {
    }

    private class PlugInWithInheritedAttribute : PlugInTypeAtExactlySeason1
    {
    }
}