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

namespace MUnique.OpenMU.Network;

using System.IO;

/// <summary>
/// Extensions for streams.
/// </summary>
public static class StreamExtensions
{
    /// <summary>
    /// Reads an integer from the current position of a stream.
    /// </summary>
    /// <param name="stream">The stream.</param>
    /// <returns>The integer from the stream.</returns>
    /// <exception cref="EndOfStreamException">Length: {stream.Length}; Position: {stream.Position}.</exception>
    public static uint ReadInteger(this Stream stream)
    {
        if (stream.Length < stream.Position + sizeof(uint))
        {
            throw new EndOfStreamException($"Length: {stream.Length}; Position: {stream.Position}");
        }

        return NumberConversionExtensions.MakeDword((byte)stream.ReadByte(), (byte)stream.ReadByte(), (byte)stream.ReadByte(), (byte)stream.ReadByte());
    }
}