using System;
using System.Linq;
using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Volo.Abp;
using Volo.Abp.AspNetCore.Modularity;
using Volo.Abp.AspNetCore.Mvc;
using Volo.Abp.Autofac;
using Volo.Abp.Data;
using Volo.Abp.Domain.Repositories;
using Volo.Abp.EntityFrameworkCore;
using Volo.Abp.EntityFrameworkCore.SqlServer;
using Volo.Abp.IdentityServer.Clients;
using Volo.Abp.IdentityServer.EntityFrameworkCore;
using Volo.Abp.Modularity;

namespace IdentityServerHost
{
    [DependsOn(
        typeof(AbpAutofacModule),
        typeof(AbpAspNetCoreMvcModule),
        typeof(AbpIdentityServerEntityFrameworkCoreModule),
        typeof(AbpEntityFrameworkCoreSqlServerModule)
        )]
    public class IdentityServerHostModule : AbpModule
    {
        public override void ConfigureServices(ServiceConfigurationContext context)
        {
            var hostingEnvironment = context.Services.GetHostingEnvironment();
            var configuration = context.Services.BuildConfiguration();

            context.Services.Configure<DbConnectionOptions>(options =>
            {
                options.ConnectionStrings.Default = configuration.GetConnectionString("Default");
            });

            context.Services.Configure<AbpDbContextOptions>(options =>
            {
                options.UseSqlServer();
            });

            context.Services.Configure<IISOptions>(iis =>
            {
                iis.AuthenticationDisplayName = "Windows";
                iis.AutomaticAuthentication = false;
            });

            //TODO: Configure distributed cache?
            //context.Services.AddDistributedSqlServerCache(options =>
            //{
            //    options.ConnectionString = configuration.GetConnectionString("Default");
            //    options.SchemaName = "dbo";
            //    options.TableName = "TestCache";
            //});
        }

        public override void OnApplicationInitialization(ApplicationInitializationContext context)
        {
            var app = context.GetApplicationBuilder();
            
            app.UseVirtualFiles();

            app.UseAuthentication();

            app.UseIdentityServer();

            app.UseMvcWithDefaultRoute();

            SeedData(context);
        }

        private void SeedData(ApplicationInitializationContext context)
        {
            using (var scope = context.ServiceProvider.CreateScope())
            {
                var clientRepository = scope.ServiceProvider.GetRequiredService<IRepository<Client, Guid>>();
                if (clientRepository.Any())
                {
                    return;
                }

                var client = new Client(Guid.NewGuid(), "test-client");
                clientRepository.Insert(client);
            }
        }
    }
}