// 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.Collections.Generic;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Security.Claims;
using System.Text;
using System.Text.Unicode;
using Microsoft.AspNetCore.DataProtection.KeyManagement;
using Microsoft.AspNetCore.DataProtection.KeyManagement.Internal;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Logging.Abstractions;
using Moq;
 
namespace Microsoft.AspNetCore.DataProtection.Tests.KeyManagement;
public class AdditionalAuthenticatedDataTemplateTests
{
    [Fact]
    public void AdditionalAuthenticatedDataTemplateBuildAadTemplateBytes_ReturnsSameResultAsPreviousImplementation()
    {
        var actualBytes = KeyRingBasedDataProtector.AdditionalAuthenticatedDataTemplate.BuildAadTemplateBytes([
            "my sample string",
            "©®±µ¶", // exotic unicode characters (https://en.wikipedia.org/wiki/List_of_Unicode_characters)
            "my other sample string",
            // more than 128 utf-8 bytes string
            "CfDJ8H5oH_fp1QNBmvs-OWXxsVoV30hrXeI4-PI4p1VZytjsgd0DTstMdtTZbFtm2dKHvsBlDCv7TiEWKztZf8fb48pUgBgUE2SeYV3eOUXvSfNWU0D8SmHLy5KEnwKKkZKqudDhCnjQSIU7mhDliJJN1e4",
            "."
        ]);
 
        // expected bytes are formed by running former code with the same input
        // former code can be found in https://github.com/dotnet/aspnetcore/pull/59322
        var expectedBytesInBase64 = "CfDJ8AAAAAAAAAAAAAAAAAAAAAAAAAAFEG15IHNhbXBsZSBzdHJpbmcKwqnCrsKxwrXCthZteSBvdGhlciBzYW1wbGUgc3RyaW5nmwFDZkRKOEg1b0hfZnAxUU5CbXZzLU9XWHhzVm9WMzBoclhlSTQtUEk0cDFWWnl0anNnZDBEVHN0TWR0VFpiRnRtMmRLSHZzQmxEQ3Y3VGlFV0t6dFpmOGZiNDhwVWdCZ1VFMlNlWVYzZU9VWHZTZk5XVTBEOFNtSEx5NUtFbndLS2taS3F1ZERoQ25qUVNJVTdtaERsaUpKTjFlNAEu";
 
        var actualBytesInBase64 = Convert.ToBase64String(actualBytes);
        Assert.Equal(expectedBytesInBase64, actualBytesInBase64);
    }
 
    [Fact]
    public void AdditionalAuthenticatedDataTemplateBuildAadTemplateBytes_ThrowsOnIllegalUtf8Text()
    {
        Assert.Throws<EncoderFallbackException>(() =>
        {
            var actualBytes = KeyRingBasedDataProtector.AdditionalAuthenticatedDataTemplate.BuildAadTemplateBytes([
                "😀"[0] + "X",
            ]);
        });
    }
}