// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Options;
 
namespace Microsoft.AspNetCore.Authentication.Negotiate.Internal;
 
internal sealed class NegotiateOptionsValidationStartupFilter : IStartupFilter
{
    private readonly string _authenticationScheme;
 
    public NegotiateOptionsValidationStartupFilter(string authenticationScheme)
    {
        _authenticationScheme = authenticationScheme;
    }
 
    public Action<IApplicationBuilder> Configure(Action<IApplicationBuilder> next)
    {
        return builder =>
        {
            // Resolve NegotiateOptions on startup to trigger post configuration and bind LdapConnection if needed
            var options = builder.ApplicationServices.GetRequiredService<IOptionsMonitor<NegotiateOptions>>().Get(_authenticationScheme);
            next(builder);
        };
    }
}