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

//------------------------------------------------------------------------------
// <auto-generated>
//     This source code was auto-generated by an XSL transformation.
//     Do not change this file. Instead, change the XML data which contains
//     the packet definitions and re-run the transformation (rebuild this project).
// </auto-generated>
//------------------------------------------------------------------------------

namespace MUnique.OpenMU.Network.Packets.Tests.ConnectServer;

using System;
using System.Text;
using NUnit.Framework;
using MUnique.OpenMU.Network.Packets.ConnectServer;

/// <summary>
/// Auto-generated tests for packet structures to validate packet definitions.
/// </summary>
[TestFixture]
public class PacketStructureTests
{

    /// <summary>
    /// Tests the packet size calculation for ConnectionInfoRequest075.
    /// </summary>
    [Test]
    public void ConnectionInfoRequest075_PacketSizeValidation()
    {
        // Fixed-length packet validation
        const int expectedLength = 5;
        var actualLength = ConnectionInfoRequest075Ref.Length;
        
        Assert.That(actualLength, Is.EqualTo(expectedLength), 
            "Packet length mismatch: declared length does not match calculated size");
        
        // Validate field 'ServerId' boundary
        Assert.That(4 + 1, Is.LessThanOrEqualTo(expectedLength), 
            "Field 'ServerId' exceeds packet boundary");
    }

    /// <summary>
    /// Tests the packet size calculation for ConnectionInfoRequest.
    /// </summary>
    [Test]
    public void ConnectionInfoRequest_PacketSizeValidation()
    {
        // Fixed-length packet validation
        const int expectedLength = 6;
        var actualLength = ConnectionInfoRequestRef.Length;
        
        Assert.That(actualLength, Is.EqualTo(expectedLength), 
            "Packet length mismatch: declared length does not match calculated size");
        
        // Validate field 'ServerId' boundary
        Assert.That(4 + 2, Is.LessThanOrEqualTo(expectedLength), 
            "Field 'ServerId' exceeds packet boundary");
    }

    /// <summary>
    /// Tests the packet size calculation for ConnectionInfo.
    /// </summary>
    [Test]
    public void ConnectionInfo_PacketSizeValidation()
    {
        // Fixed-length packet validation
        const int expectedLength = 22;
        var actualLength = ConnectionInfoRef.Length;
        
        Assert.That(actualLength, Is.EqualTo(expectedLength), 
            "Packet length mismatch: declared length does not match calculated size");
        
        // Validate field 'IpAddress' boundary
        Assert.That(4 + 16, Is.LessThanOrEqualTo(expectedLength), 
            "Field 'IpAddress' exceeds packet boundary");
        
        // Validate field 'Port' boundary
        Assert.That(20 + 2, Is.LessThanOrEqualTo(expectedLength), 
            "Field 'Port' exceeds packet boundary");
    }

    /// <summary>
    /// Tests the packet size calculation for ServerListRequest.
    /// </summary>
    [Test]
    public void ServerListRequest_PacketSizeValidation()
    {
        // Fixed-length packet validation
        const int expectedLength = 4;
        var actualLength = ServerListRequestRef.Length;
        
        Assert.That(actualLength, Is.EqualTo(expectedLength), 
            "Packet length mismatch: declared length does not match calculated size");
    }

    /// <summary>
    /// Tests the packet size calculation for ServerListResponse.
    /// </summary>
    [Test]
    public void ServerListResponse_PacketSizeValidation()
    {
        // Basic packet validation
        // Validate header type and field boundaries
        
        // Field 'ServerCount' starts at index 5 with size 2
        Assert.That(5, Is.GreaterThanOrEqualTo(0), 
            "Field 'ServerCount' has invalid negative index");
    }

    /// <summary>
    /// Tests the packet size calculation for ServerListRequestOld.
    /// </summary>
    [Test]
    public void ServerListRequestOld_PacketSizeValidation()
    {
        // Fixed-length packet validation
        const int expectedLength = 4;
        var actualLength = ServerListRequestOldRef.Length;
        
        Assert.That(actualLength, Is.EqualTo(expectedLength), 
            "Packet length mismatch: declared length does not match calculated size");
    }

    /// <summary>
    /// Tests the packet size calculation for ServerListResponseOld.
    /// </summary>
    [Test]
    public void ServerListResponseOld_PacketSizeValidation()
    {
        // Basic packet validation
        // Validate header type and field boundaries
        
        // Field 'ServerCount' starts at index 5 with size 1
        Assert.That(5, Is.GreaterThanOrEqualTo(0), 
            "Field 'ServerCount' has invalid negative index");
    }

    /// <summary>
    /// Tests the packet size calculation for Hello.
    /// </summary>
    [Test]
    public void Hello_PacketSizeValidation()
    {
        // Fixed-length packet validation
        const int expectedLength = 4;
        var actualLength = HelloRef.Length;
        
        Assert.That(actualLength, Is.EqualTo(expectedLength), 
            "Packet length mismatch: declared length does not match calculated size");
    }

    /// <summary>
    /// Tests the packet size calculation for PatchCheckRequest.
    /// </summary>
    [Test]
    public void PatchCheckRequest_PacketSizeValidation()
    {
        // Fixed-length packet validation
        const int expectedLength = 6;
        var actualLength = PatchCheckRequestRef.Length;
        
        Assert.That(actualLength, Is.EqualTo(expectedLength), 
            "Packet length mismatch: declared length does not match calculated size");
        
        // Validate field 'MajorVersion' boundary
        Assert.That(3 + 1, Is.LessThanOrEqualTo(expectedLength), 
            "Field 'MajorVersion' exceeds packet boundary");
        
        // Validate field 'MinorVersion' boundary
        Assert.That(4 + 1, Is.LessThanOrEqualTo(expectedLength), 
            "Field 'MinorVersion' exceeds packet boundary");
        
        // Validate field 'PatchVersion' boundary
        Assert.That(5 + 1, Is.LessThanOrEqualTo(expectedLength), 
            "Field 'PatchVersion' exceeds packet boundary");
    }

    /// <summary>
    /// Tests the packet size calculation for PatchVersionOkay.
    /// </summary>
    [Test]
    public void PatchVersionOkay_PacketSizeValidation()
    {
        // Fixed-length packet validation
        const int expectedLength = 4;
        var actualLength = PatchVersionOkayRef.Length;
        
        Assert.That(actualLength, Is.EqualTo(expectedLength), 
            "Packet length mismatch: declared length does not match calculated size");
    }

    /// <summary>
    /// Tests the packet size calculation for ClientNeedsPatch.
    /// </summary>
    [Test]
    public void ClientNeedsPatch_PacketSizeValidation()
    {
        // Variable-length packet validation
        // Test GetRequiredSize method with sample data
        const string testString = "TestData";
        var calculatedSize = ClientNeedsPatchRef.GetRequiredSize(testString);
        var expectedMinSize = Encoding.UTF8.GetByteCount(testString) + 1 + 6;
        
        Assert.That(calculatedSize, Is.GreaterThanOrEqualTo(expectedMinSize), 
            "GetRequiredSize calculation incorrect for string field");
    }
}