// <copyright file="ChatServerPacketTests.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.ChatServer;

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

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

    /// <summary>
    /// Tests the packet size calculation for Authenticate.
    /// </summary>
    [Test]
    public void Authenticate_PacketSizeValidation()
    {
        // Fixed-length packet validation
        const int expectedLength = 16;
        var actualLength = AuthenticateRef.Length;
        
        Assert.That(actualLength, Is.EqualTo(expectedLength), 
            "Packet length mismatch: declared length does not match calculated size");
        
        // Validate field 'RoomId' boundary
        Assert.That(4 + 2, Is.LessThanOrEqualTo(expectedLength), 
            "Field 'RoomId' exceeds packet boundary");
        
        // Validate field 'Token' boundary
        Assert.That(6 + 10, Is.LessThanOrEqualTo(expectedLength), 
            "Field 'Token' exceeds packet boundary");
    }

    /// <summary>
    /// Tests the packet size calculation for ChatRoomClientJoined.
    /// </summary>
    [Test]
    public void ChatRoomClientJoined_PacketSizeValidation()
    {
        // Fixed-length packet validation
        const int expectedLength = 15;
        var actualLength = ChatRoomClientJoinedRef.Length;
        
        Assert.That(actualLength, Is.EqualTo(expectedLength), 
            "Packet length mismatch: declared length does not match calculated size");
        
        // Validate field 'ClientIndex' boundary
        Assert.That(4 + 1, Is.LessThanOrEqualTo(expectedLength), 
            "Field 'ClientIndex' exceeds packet boundary");
        
        // Validate field 'Name' boundary
        Assert.That(5 + 10, Is.LessThanOrEqualTo(expectedLength), 
            "Field 'Name' exceeds packet boundary");
    }

    /// <summary>
    /// Tests the packet size calculation for LeaveChatRoom.
    /// </summary>
    [Test]
    public void LeaveChatRoom_PacketSizeValidation()
    {
        // Fixed-length packet validation
        const int expectedLength = 3;
        var actualLength = LeaveChatRoomRef.Length;
        
        Assert.That(actualLength, Is.EqualTo(expectedLength), 
            "Packet length mismatch: declared length does not match calculated size");
    }

    /// <summary>
    /// Tests the packet size calculation for ChatRoomClientLeft.
    /// </summary>
    [Test]
    public void ChatRoomClientLeft_PacketSizeValidation()
    {
        // Fixed-length packet validation
        const int expectedLength = 15;
        var actualLength = ChatRoomClientLeftRef.Length;
        
        Assert.That(actualLength, Is.EqualTo(expectedLength), 
            "Packet length mismatch: declared length does not match calculated size");
        
        // Validate field 'ClientIndex' boundary
        Assert.That(4 + 1, Is.LessThanOrEqualTo(expectedLength), 
            "Field 'ClientIndex' exceeds packet boundary");
        
        // Validate field 'Name' boundary
        Assert.That(5 + 10, Is.LessThanOrEqualTo(expectedLength), 
            "Field 'Name' exceeds packet boundary");
    }

    /// <summary>
    /// Tests the packet size calculation for ChatRoomClients.
    /// </summary>
    [Test]
    public void ChatRoomClients_PacketSizeValidation()
    {
        // Basic packet validation
        // Validate header type and field boundaries
        
        // Field 'ClientCount' starts at index 6 with size 1
        Assert.That(6, Is.GreaterThanOrEqualTo(0), 
            "Field 'ClientCount' has invalid negative index");
    }

    /// <summary>
    /// Tests the packet size calculation for ChatMessage.
    /// </summary>
    [Test]
    public void ChatMessage_PacketSizeValidation()
    {
        // Variable-length packet validation
        // Test GetRequiredSize method with sample data
        const int testBinaryLength = 10;
        var calculatedSize = ChatMessageRef.GetRequiredSize(testBinaryLength);
        var expectedMinSize = testBinaryLength + 5;
        
        Assert.That(calculatedSize, Is.GreaterThanOrEqualTo(expectedMinSize), 
            "GetRequiredSize calculation incorrect for binary field");
    }

    /// <summary>
    /// Tests the packet size calculation for KeepAlive.
    /// </summary>
    [Test]
    public void KeepAlive_PacketSizeValidation()
    {
        // Fixed-length packet validation
        const int expectedLength = 3;
        var actualLength = KeepAliveRef.Length;
        
        Assert.That(actualLength, Is.EqualTo(expectedLength), 
            "Packet length mismatch: declared length does not match calculated size");
    }
}