// 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.Security.Claims;
using Microsoft.AspNetCore.Http;

namespace Microsoft.AspNetCore.Authentication
{
    /// <summary>
    /// Base context for events that produce AuthenticateResults.
    /// </summary>
    public abstract class ResultContext<TOptions> : BaseContext<TOptions> where TOptions : AuthenticationSchemeOptions
    {
        /// <summary>
        /// Constructor.
        /// </summary>
        /// <param name="context">The context.</param>
        /// <param name="scheme">The authentication scheme.</param>
        /// <param name="options">The authentication options associated with the scheme.</param>
        protected ResultContext(HttpContext context, AuthenticationScheme scheme, TOptions options)
            : base(context, scheme, options) { }

        /// <summary>
        /// Gets or sets the <see cref="ClaimsPrincipal"/> containing the user claims.
        /// </summary>
        public ClaimsPrincipal Principal { get; set; }

        private AuthenticationProperties _properties;
        /// <summary>
        /// Gets or sets the <see cref="AuthenticationProperties"/>.
        /// </summary>
        public AuthenticationProperties Properties {
            get => _properties ?? (_properties = new AuthenticationProperties());
            set => _properties = value;
        }

        /// <summary>
        /// Gets the <see cref="AuthenticateResult"/> result.
        /// </summary>
        public AuthenticateResult Result { get; private set; }

        /// <summary>
        /// Calls success creating a ticket with the <see cref="Principal"/> and <see cref="Properties"/>.
        /// </summary>
        public void Success() => Result = HandleRequestResult.Success(new AuthenticationTicket(Principal, Properties, Scheme.Name));

        /// <summary>
        /// Indicates that there was no information returned for this authentication scheme.
        /// </summary>
        public void NoResult() => Result = AuthenticateResult.NoResult();

        /// <summary>
        /// Indicates that there was a failure during authentication.
        /// </summary>
        /// <param name="failure"></param>
        public void Fail(Exception failure) => Result = AuthenticateResult.Fail(failure);

        /// <summary>
        /// Indicates that there was a failure during authentication.
        /// </summary>
        /// <param name="failureMessage"></param>
        public void Fail(string failureMessage) => Result = AuthenticateResult.Fail(failureMessage);
    }
}