// 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 Microsoft.AspNet.Authentication.Cookies;
using Microsoft.Framework.Internal;
using Microsoft.Framework.OptionsModel;

namespace Microsoft.AspNet.Builder
{
    /// <summary>
    /// Extension methods provided by the cookies authentication middleware
    /// </summary>
    public static class CookieAppBuilderExtensions
    {
        /// <summary>
        /// Adds a cookie-based authentication middleware to your web application pipeline.
        /// </summary>
        /// <param name="app">The IApplicationBuilder passed to your configuration method</param>
        /// <param name="configureOptions">Used to configure the options for the middleware</param>
        /// <param name="optionsName">The name of the options class that controls the middleware behavior, null will use the default options</param>
        /// <returns>The original app parameter</returns>
        public static IApplicationBuilder UseCookieAuthentication([NotNull] this IApplicationBuilder app, Action<CookieAuthenticationOptions> configureOptions = null, string optionsName = "")
        {
            return app.UseMiddleware<CookieAuthenticationMiddleware>(
                new ConfigureOptions<CookieAuthenticationOptions>(configureOptions ?? (o => { }))
                {
                    Name = optionsName
                });
        }

        /// <summary>
        /// Adds a cookie-based authentication middleware to your web application pipeline.
        /// </summary>
        /// <param name="app">The IApplicationBuilder passed to your configuration method</param>
        /// <param name="configureOptions">Used to configure the options for the middleware</param>
        /// <param name="optionsName">The name of the options class that controls the middleware behavior, null will use the default options</param>
        /// <returns>The original app parameter</returns>
        public static IApplicationBuilder UseCookieAuthentication([NotNull] this IApplicationBuilder app, IOptions<CookieAuthenticationOptions> options)
        {
            return app.UseMiddleware<CookieAuthenticationMiddleware>(options,
                new ConfigureOptions<CookieAuthenticationOptions>(o => { }));
        }

    }
}