using System;
using System.IO;
using System.Reflection;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using xCommons.Configurations;
using xCommons.Extensions;
using xStorageService.DI;
using xIds.Constants;
using xIds.DI;
using xIds.Interfaces;
using xIds.Providers;

namespace xIds
{
    public class Startup
    {
        public IConfiguration Configuration { get; }

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

        public void ConfigureServices(IServiceCollection services)
        {
            //
            // Register Validation Provider and all XCommons Module Services ...
            services.AddXCommons();

            //
            // Register App Configuration ...
            services.AddXAppConfiguration(Configuration);
            var appConfiguration = services.GetRegisteredService<XAppConfiguration>();

            //
            // Register XDataService Configuration ...
            services.AddXDataServiceConfiguration(Configuration, ConnectionStringNames.IDENTITY_CONNECTION_NAME);

            //
            // Register Allowed Origins ...
            services.AddXCors(appConfiguration.AllowedOrigins);

            //
            // Register Swagger ...
            var xmlFile = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
            var xmlPath = Path.Combine(AppContext.BaseDirectory, xmlFile);
            services.AddXSwagger(Configuration, xmlFilePath: xmlPath);

            //
            // Register IdentityServer to DI ...
            // services.AddInMemoryXIdentityServer (Configuration);
            services.AddEfSupportXIdentityServer(Configuration);

            //
            services.AddControllers()
                .AddNewtonsoftJson(x => x.SerializerSettings.ReferenceLoopHandling = ReferenceLoopHandling.Ignore);

            //
            // Register Authentication ...
            services.AddXIdentityServerAuthentication(Configuration);

            //
            // Register Authorization ...
            services.AddXAuthorization();

            //
            // Register Security Provider ...
            services.AddSingleton<IXSecurityProvider, XSecurityProvider>();
        }

        public void Configure(IApplicationBuilder app, IWebHostEnvironment env, ILogger<Startup> logger)
        {
            //
            if (env.IsDevelopment())
            {
                //
                app.UseDeveloperExceptionPage();

                //
                // app.UseXRequestLogger();
            }

            //
            // Use Swagger Middleware ...
            app.UseXSwagger();

            //
            app.UseHttpsRedirection();
            app.UseXForwardOptions();

            //
            // Using Cors ...
            app.UseXCors();

            //
            // Force App to Use IdentityServer ...
            app.UseXIdentityServer(logger);

            //
            // Force app to Use Storage Service ...
            app.UseXStorageService();

            //
            app.UseRouting();

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

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