// <copyright file="StreamExtensions.cs" company="alveus.dev">
// Copyright (c) alveus.dev. All rights reserved. Licensed under the MIT License.
// </copyright>

namespace Astral.Core.Extensions;

/// <summary>
/// <see cref="Stream"/> extensions.
/// </summary>
public static class StreamExtensions
{
    /// <summary>
    /// Return a byte array of the contents of the stream.
    /// </summary>
    /// <param name="stream">Instance of <see cref="Stream"/>.</param>
    /// <returns>Collection of bytes.</returns>
    public static byte[] ToByteArray(this Stream stream)
    {
        stream.Position = 0;
        var buffer = new byte[stream.Length];
        for (var totalBytesCopied = 0; totalBytesCopied < stream.Length;)
        {
            totalBytesCopied +=
                stream.Read(buffer, totalBytesCopied, Convert.ToInt32(stream.Length) - totalBytesCopied);
        }

        return buffer;
    }
}