using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNet.Builder;
using Microsoft.AspNet.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.AspNet.Authentication.OpenIdConnect;
using Microsoft.AspNet.Authentication;
using Microsoft.IdentityModel.Protocols.OpenIdConnect;
using Microsoft.AspNet.Http;
using Microsoft.AspNet.Authentication.Cookies;
using Yavsc.Auth;
using Microsoft.Extensions.WebEncoders;

namespace testOauthClient
{
    public class Startup
    {
        public Startup(IHostingEnvironment env)
        {
            // Set up configuration sources.
            var builder = new ConfigurationBuilder()
                .AddJsonFile("appsettings.json")
                .AddEnvironmentVariables();
            Configuration = builder.Build();
        }

        public IConfigurationRoot Configuration { get; set; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            
            services.Configure<SharedAuthenticationOptions>(options => {
                options.SignInScheme = "Bearer";
            });

            services.AddTransient<Microsoft.Extensions.WebEncoders.UrlEncoder, UrlEncoder>();

            services.AddAuthentication();

            services.AddMvc();
            
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
        {
            loggerFactory.AddConsole(Configuration.GetSection("Logging"));
            loggerFactory.AddDebug();

            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseExceptionHandler("/Home/Error");
            }
             app.UseIISPlatformHandler(options => {
                options.AuthenticationDescriptions.Clear();
            });
            app.UseStaticFiles();

             app.UseCookieAuthentication(new CookieAuthenticationOptions {
                AutomaticAuthenticate = true,
                AutomaticChallenge = true,
                AuthenticationScheme = "Bearer",
                CookieName = CookieAuthenticationDefaults.CookiePrefix + "Bearer",
                ExpireTimeSpan = TimeSpan.FromMinutes(5),
                LoginPath = new PathString("/signin"),
                LogoutPath = new PathString("/signout")
            });
            
            app.UseOAuthAuthentication(
                options => { 
                    options.AuthenticationScheme = "yavsc";
                    options.AuthorizationEndpoint="http://dev.pschneider.fr/authorize";
                    options.TokenEndpoint="http://dev.pschneider.fr/token";
                    options.AutomaticAuthenticate=true;
                    options.AutomaticChallenge=true;
                    options.CallbackPath=new PathString("/signin-yavsc");
                    options.ClaimsIssuer="http://dev.pschneider.fr";
                    options.ClientId="016c5ae4-f4cd-40e3-b250-13701c871ecd";
                    options.ClientSecret="blahblah";
                    options.SignInScheme="Bearer";
                }
            );

            app.UseMvc(routes =>
            {
                routes.MapRoute(
                    name: "default",
                    template: "{controller=Home}/{action=Index}/{id?}");
            });
        }

        // Entry point for the application.
        public static void Main(string[] args) => Microsoft.AspNet.Hosting.WebApplication.Run<Startup>(args);
    }
}