// -------------------------------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License (MIT). See LICENSE in the repo root for license information.
// -------------------------------------------------------------------------------------------------

using System;
using System.Text;
using EnsureThat;

namespace Microsoft.Health.Core.Extensions;

public static class ByteExtensions
{
    /// <summary>
    /// Encodes a Byte array to Base64 safely, this can be used in URLs.
    /// </summary>
    /// <param name="bytes">The bytes to encode.</param>
    /// <returns>An encoded string that's safe to be used in URLs.</returns>
    public static string ToSafeBase64(this byte[] bytes)
    {
        EnsureArg.IsNotNull(bytes, nameof(bytes));

        string base64 = Convert.ToBase64String(bytes);

        StringBuilder sb = new StringBuilder(base64.TrimEnd('='));

        sb.Replace('+', '-').Replace('/', '_');

        return sb.ToString();
    }
}