// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

using System;
using System.Linq;
using System.Security.Claims;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Http;

namespace Microsoft.AspNetCore.Authorization.Test.TestObjects
{
    public class TestAuthenticationService : IAuthenticationService
    {
        public bool ChallengeCalled => ChallengeCount > 0;
        public bool ForbidCalled => ForbidCount > 0;
        public bool AuthenticateCalled => AuthenticateCount > 0;

        public int ChallengeCount { get; private set; }
        public int ForbidCount { get; private set; }
        public int AuthenticateCount { get; private set; }

        public Task<AuthenticateResult> AuthenticateAsync(HttpContext context, string scheme)
        {
            AuthenticateCount++;

            var identity = context.User.Identities.SingleOrDefault(i => i.AuthenticationType == scheme);
            if (identity != null)
            {
                return Task.FromResult(AuthenticateResult.Success(new AuthenticationTicket(new ClaimsPrincipal(identity), scheme)));
            }

            return Task.FromResult(AuthenticateResult.Fail("Denied"));
        }

        public Task ChallengeAsync(HttpContext context, string scheme, AuthenticationProperties properties)
        {
            ChallengeCount++;
            return Task.CompletedTask;
        }

        public Task ForbidAsync(HttpContext context, string scheme, AuthenticationProperties properties)
        {
            ForbidCount++;
            return Task.CompletedTask;
        }

        public Task SignInAsync(HttpContext context, string scheme, ClaimsPrincipal principal, AuthenticationProperties properties)
        {
            throw new NotImplementedException();
        }

        public Task SignOutAsync(HttpContext context, string scheme, AuthenticationProperties properties)
        {
            throw new NotImplementedException();
        }
    }
}