// 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.Linq;
using Microsoft.AspNetCore.Authorization;
 
namespace Microsoft.Extensions.Logging;
 
internal static partial class LoggingExtensions
{
    [LoggerMessage(1, LogLevel.Debug, "Authorization was successful.", EventName = "UserAuthorizationSucceeded")]
    public static partial void UserAuthorizationSucceeded(this ILogger logger);
 
    [LoggerMessage(2, LogLevel.Information, "Authorization failed. {Reason}", EventName = "UserAuthorizationFailed")]
    private static partial void UserAuthorizationFailed(this ILogger logger, string reason);
 
    public static void UserAuthorizationFailed(this ILogger logger, AuthorizationFailure failure)
    {
        string reason;
        if (failure.FailCalled)
        {
            reason = failure.FailureReasons.Any()
                ? "Fail() was explicitly called. Authorization failed due to:" + Environment.NewLine + string.Join(Environment.NewLine, failure.FailureReasons.Select(reason => reason.Message))
                : "Fail() was explicitly called.";
        }
        else
        {
            reason = "These requirements were not met:" + Environment.NewLine + string.Join(Environment.NewLine, failure.FailedRequirements);
        }
 
        UserAuthorizationFailed(logger, reason);
    }
}