// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System;
using System.IO;
 
namespace Microsoft.Extensions.Logging.Console
{
    internal static class TextWriterExtensions
    {
        public static void WriteColoredMessage(this TextWriter textWriter, string message, ConsoleColor? background, ConsoleColor? foreground)
        {
            // Order: backgroundcolor, foregroundcolor, Message, reset foregroundcolor, reset backgroundcolor
            if (background.HasValue)
            {
                textWriter.Write(AnsiParser.GetBackgroundColorEscapeCode(background.Value));
            }
            if (foreground.HasValue)
            {
                textWriter.Write(AnsiParser.GetForegroundColorEscapeCode(foreground.Value));
            }
            textWriter.Write(message);
            if (foreground.HasValue)
            {
                textWriter.Write(AnsiParser.DefaultForegroundColor); // reset to default foreground color
            }
            if (background.HasValue)
            {
                textWriter.Write(AnsiParser.DefaultBackgroundColor); // reset to the background color
            }
        }
    }
}