// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
namespace Aspire.Hosting.AWS;
 
internal static class StringExtensions
{
    /// <summary>
    /// Trims a string from the start of the target
    /// </summary>
    /// <param name="target">Target string</param>
    /// <param name="trimString">String to trim</param>
    /// <returns>Trimmed string</returns>
    public static string TrimStart(this string target, string trimString)
    {
        if (string.IsNullOrEmpty(trimString))
        {
            return target;
        }
 
        var result = target;
        while (result.StartsWith(trimString))
        {
            result = result[trimString.Length..];
        }
 
        return result;
 
    }
 
    /// <summary>
    /// Replaces : characters to __ for environment variables support with Microsoft.Extensions.Configuration
    /// </summary>
    /// <param name="configuration">Configuration key</param>
    public static string ToEnvironmentVariables(this string configuration)
    {
        return configuration
            .Replace("::", "__")
            .Replace(":", "__");
    }
}