using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Hosting;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Identity.ExternalClaims.Data;
using Identity.ExternalClaims.Services;
using System.Security.Claims;

namespace Identity.ExternalClaims
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddDbContext<ApplicationDbContext>(options =>
                options.UseSqlServer("Server=(localdb)\\mssqllocaldb;Database=aspnet-Identity.ExternalClaims-53bc9b9d-9d6a-45d4-8429-2a2761773502;Trusted_Connection=True;MultipleActiveResultSets=true"));

            services.AddIdentity<ApplicationUser, IdentityRole>()
                .AddEntityFrameworkStores<ApplicationDbContext>()
                .AddDefaultTokenProviders();

            services.AddAuthentication().AddGoogle(o =>
            {
                // Configure your auth keys, usually stored in Config or User Secrets
                o.ClientId = "<yourid>";
                o.ClientSecret = "<yoursecret>";
                o.Scope.Add("https://www.googleapis.com/auth/plus.me");
                o.ClaimActions.MapJsonKey(ClaimTypes.Gender, "gender");
                o.SaveTokens = true;
                o.Events.OnCreatingTicket = ctx =>
                {
                    List<AuthenticationToken> tokens = ctx.Properties.GetTokens() as List<AuthenticationToken>;
                    tokens.Add(new AuthenticationToken() { Name = "TicketCreated", Value = DateTime.UtcNow.ToString() });
                    ctx.Properties.StoreTokens(tokens);
                    return Task.CompletedTask;
                };
            });

            services.AddMvc()
                .AddRazorPagesOptions(options =>
                {
                    options.Conventions.AuthorizeFolder("/Account/Manage");
                    options.Conventions.AuthorizePage("/Account/Logout");
                    options.Conventions.AuthorizePage("/MyClaims");
                });

            // Register no-op EmailSender used by account confirmation and password reset during development
            // For more information on how to enable account confirmation and password reset please visit https://go.microsoft.com/fwlink/?LinkID=532713
            services.AddSingleton<IEmailSender, EmailSender>();
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
                app.UseDatabaseErrorPage();
            }
            else
            {
                app.UseExceptionHandler("/Error");
            }

            app.UseStaticFiles();

            app.UseAuthentication();

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