using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Autofac;
using Autofac.Extensions.DependencyInjection;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using Microsoft.IdentityModel.Tokens;
using NTPProject.Core.Repositories;
using NTPProject.Infrastructure.IoC;
using NTPProject.Infrastructure.IoC.Modules;
using NTPProject.Infrastructure.Mappers;
using NTPProject.Infrastructure.Repositories;
using NTPProject.Infrastructure.Services;
using NTPProject.Infrastructure.Settings;

namespace NTPProject.Api
{
    public class Startup
    {
        public IConfiguration Configuration { get; }

        public IContainer ApplicationContainer { get; private set; }


        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        // This method gets called by the runtime. Use this method to add services to the container.
        public IServiceProvider ConfigureServices(IServiceCollection services)
        {
            services.AddAuthorization(x => x.AddPolicy("admin", p => p.RequireRole("admin")));

            services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
                .AddJwtBearer(options =>
                {
                    //options.Audience = Configuration.GetSection("jwt:issuer").Value;
                    //options.ClaimsIssuer = Configuration.GetSection("jwt:issuer").Value;
                    options.RequireHttpsMetadata = false;
                    options.SaveToken = true;

                    options.TokenValidationParameters = new TokenValidationParameters
                    {
                        ValidIssuer = Configuration.GetSection("jwt:issuer").Value,
                        ValidateAudience = false,
                        IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(Configuration.GetSection("jwt:key").Value))
                    };
                });

            services.AddMvc();


            var builder = new ContainerBuilder();
            builder.Populate(services);
            builder.RegisterModule(new ContainerModule(Configuration));
            ApplicationContainer = builder.Build();

            return new AutofacServiceProvider(ApplicationContainer);
        }

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

            app.UseAuthentication();

            app.UseMvc();
            appLifetime.ApplicationStopped.Register(() => ApplicationContainer.Dispose());
        }
    }
}