using AspNetCore.Identity.MongoDbCore.Infrastructure;
using AspNetCore.Identity.MongoDbCore.Models;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Identity;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using MongoIdentitySample.Mvc.Models;
using MongoIdentitySample.Mvc.Services;
using System;
using Microsoft.Extensions.Logging;

namespace MongoIdentitySample.Mvc
{
    public class Startup
    {
        const string DevEnvironmentName = "Development";
        public Startup(IWebHostEnvironment env)
        {
            var builder = new ConfigurationBuilder()
                .AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
                .AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true);

            builder.AddEnvironmentVariables();
            Configuration = builder.Build();
        }

        public IConfigurationRoot Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            // Add framework services.
            var mongoSettings = Configuration.GetSection(nameof(MongoDbSettings));
            var settings = Configuration.GetSection(nameof(MongoDbSettings)).Get<MongoDbSettings>();

            services.AddSingleton<MongoDbSettings>(settings);
            services.AddIdentity<ApplicationUser, MongoIdentityRole>()
                    .AddMongoDbStores<ApplicationUser, MongoIdentityRole, Guid>(settings.ConnectionString, settings.DatabaseName)
                    .AddSignInManager()
                    .AddDefaultTokenProviders();

            services.AddMvc();

            //services.AddAuthentication(o =>
            //{
            //    o.DefaultScheme = IdentityConstants.ApplicationScheme;
            //    o.DefaultSignInScheme = IdentityConstants.ExternalScheme;
            //})
            //.AddIdentityCookies(o => { });


            // Add application services.
            services.AddTransient<IEmailSender, AuthMessageSender>();
            services.AddTransient<ISmsSender, AuthMessageSender>();
        }

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

            app.UseStaticFiles();

            app.UseRouting();

            app.UseAuthentication();
            app.UseAuthorization();

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapDefaultControllerRoute();
                endpoints.MapRazorPages();
            });
        }
    }
}