using System;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.OpenApi.Models;
using Swashbuckle.AspNetCore.Swagger;
using System.IO;
using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.DataProtection;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Hosting;
using Microsoft.IdentityModel.Protocols.OpenIdConnect;
using Acme.BookStore.BookManagement.Localization;
using Acme.BookStore.BookManagement.MultiTenancy;
using Acme.BookStore.BookManagement.Web;
using StackExchange.Redis;
using Volo.Abp;
using Volo.Abp.AspNetCore.Authentication.OAuth;
using Volo.Abp.AspNetCore.Mvc.Client;
using Volo.Abp.AspNetCore.Mvc.Localization;
using Volo.Abp.AspNetCore.Mvc.UI;
using Volo.Abp.AspNetCore.Mvc.UI.Bootstrap;
using Volo.Abp.AspNetCore.Mvc.UI.Theme.Basic;
using Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared;
using Volo.Abp.Autofac;
using Volo.Abp.AutoMapper;
using Volo.Abp.Caching;
using Volo.Abp.Http.Client.IdentityModel;
using Volo.Abp.Identity;
using Volo.Abp.Identity.Web;
using Volo.Abp.Modularity;
using Volo.Abp.MultiTenancy;
using Volo.Abp.PermissionManagement;
using Volo.Abp.PermissionManagement.Web;
using Volo.Abp.Security.Claims;
using Volo.Abp.TenantManagement;
using Volo.Abp.TenantManagement.Web;
using Volo.Abp.UI.Navigation.Urls;
using Volo.Abp.UI;
using Volo.Abp.VirtualFileSystem;

namespace Acme.BookStore.BookManagement
{
    [DependsOn(
        typeof(BookManagementWebModule),
        typeof(BookManagementHttpApiClientModule),
        typeof(AbpAspNetCoreAuthenticationOAuthModule),
        typeof(AbpAspNetCoreMvcClientModule),
        typeof(AbpAspNetCoreMvcUiBasicThemeModule),
        typeof(AbpAutofacModule),
        typeof(AbpHttpClientIdentityModelModule),
        typeof(AbpIdentityWebModule),
        typeof(AbpIdentityHttpApiClientModule),
        typeof(AbpTenantManagementWebModule),
        typeof(AbpTenantManagementHttpApiClientModule),
        typeof(AbpPermissionManagementHttpApiClientModule)
        )]
    public class BookManagementWebHostModule : AbpModule
    {
        public override void PreConfigureServices(ServiceConfigurationContext context)
        {
            context.Services.PreConfigure<AbpMvcDataAnnotationsLocalizationOptions>(options =>
            {
                options.AddAssemblyResource(
                    typeof(BookManagementResource),
                    typeof(BookManagementDomainSharedModule).Assembly,
                    typeof(BookManagementApplicationContractsModule).Assembly,
                    typeof(BookManagementWebHostModule).Assembly
                );
            });
        }
        
        public override void ConfigureServices(ServiceConfigurationContext context)
        {
            var hostingEnvironment = context.Services.GetHostingEnvironment();
            var configuration = context.Services.GetConfiguration();

            ConfigureCache(configuration);
            ConfigureUrls(configuration);
            ConfigureAuthentication(context, configuration);
            ConfigureAutoMapper();
            ConfigureVirtualFileSystem(hostingEnvironment);
            ConfigureSwaggerServices(context.Services);
            ConfigureMultiTenancy();
            ConfigureRedis(context, configuration, hostingEnvironment);
        }
        
        private void ConfigureCache(IConfiguration configuration)
        {
            Configure<AbpDistributedCacheOptions>(options =>
            {
                options.KeyPrefix = "BookManagement:";
            });
        }

        private void ConfigureUrls(IConfiguration configuration)
        {
            Configure<AppUrlOptions>(options =>
            {
                options.Applications["MVC"].RootUrl = configuration["AppSelfUrl"];
            });
        }

        private void ConfigureMultiTenancy()
        {
            Configure<AbpMultiTenancyOptions>(options =>
            {
                options.IsEnabled = MultiTenancyConsts.IsEnabled;
            });
        }

        private void ConfigureAuthentication(ServiceConfigurationContext context, IConfiguration configuration)
        {
            context.Services.AddAuthentication(options =>
                {
                    options.DefaultScheme = "Cookies";
                    options.DefaultChallengeScheme = "oidc";
                })
                .AddCookie("Cookies", options =>
                {
                    options.ExpireTimeSpan = TimeSpan.FromDays(365);
                })
                .AddOpenIdConnect("oidc", options =>
                {
                    options.Authority = configuration["AuthServer:Authority"];
                    options.RequireHttpsMetadata = false;
                    options.ResponseType = OpenIdConnectResponseType.CodeIdToken;

                    options.ClientId = configuration["AuthServer:ClientId"];
                    options.ClientSecret = configuration["AuthServer:ClientSecret"];

                    options.SaveTokens = true;
                    options.GetClaimsFromUserInfoEndpoint = true;

                    options.Scope.Add("role");
                    options.Scope.Add("email");
                    options.Scope.Add("phone");
                    options.Scope.Add("BookManagement");

                    options.ClaimActions.MapJsonKey(AbpClaimTypes.UserName, "name");
                    options.ClaimActions.DeleteClaim("name");
                });
        }

        private void ConfigureAutoMapper()
        {
            Configure<AbpAutoMapperOptions>(options =>
            {
                options.AddMaps<BookManagementWebHostModule>();
            });
        }

        private void ConfigureVirtualFileSystem(IWebHostEnvironment hostingEnvironment)
        {
            if (hostingEnvironment.IsDevelopment())
            {
                Configure<AbpVirtualFileSystemOptions>(options =>
                {
                    options.FileSets.ReplaceEmbeddedByPhysical<BookManagementDomainSharedModule>(Path.Combine(hostingEnvironment.ContentRootPath, string.Format("..{0}..{0}src{0}Acme.BookStore.BookManagement.Domain", Path.DirectorySeparatorChar)));
                    options.FileSets.ReplaceEmbeddedByPhysical<BookManagementApplicationContractsModule>(Path.Combine(hostingEnvironment.ContentRootPath, string.Format("..{0}..{0}src{0}Acme.BookStore.BookManagement.Application.Contracts", Path.DirectorySeparatorChar)));
                    options.FileSets.ReplaceEmbeddedByPhysical<BookManagementWebModule>(Path.Combine(hostingEnvironment.ContentRootPath, string.Format("..{0}..{0}src{0}Acme.BookStore.BookManagement.Web", Path.DirectorySeparatorChar)));
                });
            }
        }

        private void ConfigureSwaggerServices(IServiceCollection services)
        {
            services.AddSwaggerGen(
                options =>
                {
                    options.SwaggerDoc("v1", new OpenApiInfo { Title = "BookManagement API", Version = "v1" });
                    options.DocInclusionPredicate((docName, description) => true);
                    options.CustomSchemaIds(type => type.FullName);
                }
            );
        }

        private void ConfigureRedis(
            ServiceConfigurationContext context,
            IConfiguration configuration,
            IWebHostEnvironment hostingEnvironment)
        {
            context.Services.AddStackExchangeRedisCache(options =>
            {
                options.Configuration = configuration["Redis:Configuration"];
            });

            if (!hostingEnvironment.IsDevelopment())
            {
                var redis = ConnectionMultiplexer.Connect(configuration["Redis:Configuration"]);
                context.Services
                    .AddDataProtection()
                    .PersistKeysToStackExchangeRedis(redis, "BookManagement-Protection-Keys");
            }
        }

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

            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseErrorPage();
                app.UseHsts();
            }

            app.UseHttpsRedirection();
            app.UseVirtualFiles();
            app.UseRouting();
            app.UseAuthentication();
            app.UseAuthorization();

            if (MultiTenancyConsts.IsEnabled)
            {
                app.UseMultiTenancy();
            }

            app.UseAbpRequestLocalization();

            app.UseSwagger();
            app.UseSwaggerUI(options =>
            {
                options.SwaggerEndpoint("/swagger/v1/swagger.json", "BookManagement API");
            });

            app.UseAuditing();

            app.UseMvcWithDefaultRouteAndArea();
        }
    }
}