using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.HttpsPolicy;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.OpenApi.Models;
using OidcSamples.TrafficPoliceApi.Data;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IdentityModel.Tokens.Jwt;
using System.Linq;
using System.Net;
using System.Threading.Tasks;

namespace OidcSamples.TrafficPoliceApi
{
    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)
        {
            // Dirty Hack: Disable verifying SSL certificates 😬
            ServicePointManager.ServerCertificateValidationCallback +=
                (sender, cert, chain, sslPolicyErrors) => true;

            JwtSecurityTokenHandler.DefaultInboundClaimTypeMap["sub"] = "sub";

            services.AddCors(options =>
            {
                options.AddPolicy(name: "Default",
                        builder =>
                        {
                            builder.AllowAnyHeader().AllowAnyOrigin().AllowAnyMethod();
                        });
            });

            services.AddDbContext<ApplicationDbContext>(options =>
                options.UseNpgsql(Configuration.GetConnectionString("DefaultConnection"))
                       .UseSnakeCaseNamingConvention()
                    );

            services.AddCors(options => options.AddPolicy("Default", builder =>
            {
                builder.AllowAnyOrigin().AllowAnyHeader().AllowAnyMethod();
            }));

            services.AddControllers();
            services.AddSwaggerGen(c =>
            {
                c.SwaggerDoc("v1", new OpenApiInfo { Title = "OidcSamples.TrafficPoliceApi", Version = "v1" });
            });

            services.AddAuthorization(configure =>
            {
                //var policy = new AuthorizationPolicyBuilder(JwtBearerDefaults.AuthenticationScheme)
                //                    .RequireAuthenticatedUser()
                //                    .Build();
                configure.AddPolicy("Default", configure.DefaultPolicy);
                //configure.DefaultPolicy = policy;
            });

            // 1. Add Authentication Services
            services.AddAuthentication(options =>
            {
                options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
                options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
            }).AddJwtBearer(options =>
            {
                options.Authority = "http://localhost:10000";
                options.Audience = "traffic-police-api";
                options.RequireHttpsMetadata = false;
            });
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
                app.UseSwagger();
                app.UseSwaggerUI(c => c.SwaggerEndpoint("/swagger/v1/swagger.json", "OidcSamples.TrafficPoliceApi v1"));
            }

            app.UseCookiePolicy(new CookiePolicyOptions
            {
                MinimumSameSitePolicy = Microsoft.AspNetCore.Http.SameSiteMode.Lax
            });

            app.UseCors("Default");

            app.UseRouting();

            app.UseCors("Default");

            // 2. Enable authentication middleware
            app.UseAuthentication();
            app.UseAuthorization();

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllers().RequireAuthorization();
            });
        }
    }
}