using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Hangfire;
using Hangfire.PostgreSql;
using Kurs.Languages;
using Kurs.MailQueue;
using Kurs.Notifications.Application;
using Kurs.Platform.Classrooms;
using Kurs.Platform.EntityFrameworkCore;
using Kurs.Platform.Extensions;
using Kurs.Platform.FileManagement;
using Kurs.Platform.Identity;
using Kurs.Platform.Localization;
using Kurs.Settings;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Cors;
using Microsoft.AspNetCore.Extensions.DependencyInjection;
using Microsoft.AspNetCore.Identity;
using Microsoft.Extensions.Caching.StackExchangeRedis;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection.Extensions;
using Microsoft.Extensions.Hosting;
using Microsoft.OpenApi.Models;
using OpenIddict.Server.AspNetCore;
using OpenIddict.Validation.AspNetCore;
using Volo.Abp;
using Volo.Abp.Account.Web;
using Volo.Abp.AspNetCore.Auditing;
using Volo.Abp.AspNetCore.ExceptionHandling;
using Volo.Abp.AspNetCore.MultiTenancy;
using Volo.Abp.AspNetCore.Mvc;
using Volo.Abp.AspNetCore.Mvc.ApplicationConfigurations;
using Volo.Abp.AspNetCore.Mvc.UI.Bundling;
using Volo.Abp.AspNetCore.Mvc.UI.Theme.Basic;
using Volo.Abp.AspNetCore.Mvc.UI.Theme.Basic.Bundling;
using Volo.Abp.AspNetCore.Serilog;
using Volo.Abp.Autofac;
using Volo.Abp.BackgroundWorkers.Hangfire;
using Volo.Abp.BlobStoring;
using Volo.Abp.BlobStoring.FileSystem;
using Volo.Abp.Caching;
using Volo.Abp.Hangfire;
using Volo.Abp.Identity;
using Volo.Abp.Modularity;
using Volo.Abp.Security.Claims;
using Volo.Abp.Swashbuckle;
using Volo.Abp.UI.Navigation.Urls;
using Volo.Abp.VirtualFileSystem;
using static Kurs.Platform.PlatformConsts;
using static Kurs.Settings.SettingsConsts;

namespace Kurs.Platform;

[DependsOn(
    typeof(PlatformHttpApiModule),
    typeof(AbpAutofacModule),
    typeof(AbpAspNetCoreMultiTenancyModule),
    typeof(PlatformApplicationModule),
    typeof(PlatformEntityFrameworkCoreModule),
    typeof(AbpAspNetCoreMvcUiBasicThemeModule),
    typeof(AbpAccountWebOpenIddictModule),
    typeof(AbpAspNetCoreSerilogModule),
    typeof(AbpSwashbuckleModule),
    typeof(AbpBackgroundWorkersHangfireModule)
)]
public class PlatformHttpApiHostModule : AbpModule
{
    public override void PreConfigureServices(ServiceConfigurationContext context)
    {
        PreConfigure<OpenIddictBuilder>(builder =>
        {
            builder.AddServer(server =>
            {
                server.SetAccessTokenLifetime(TimeSpan.FromMinutes(60));
                server.SetRefreshTokenLifetime(TimeSpan.FromMinutes(90));
            });
            builder.AddValidation(options =>
            {
                options.AddAudiences(PlatformConsts.AppName);
                options.UseLocalServer();
                options.UseAspNetCore();
            });
        });

        PreConfigure<IdentityBuilder>(builder =>
        {
            builder.AddClaimsPrincipalFactory<PlatformUserClaimsPrincipalFactory>();
            builder.AddSignInManager<PlatformSignInManager>();
        });

        context.Services.Replace(
            ServiceDescriptor.Transient<AbpUserClaimsPrincipalFactory, PlatformUserClaimsPrincipalFactory>());

        context.Services.AddTransient<IPlatformSignInManager, PlatformSignInManager>();
    }

    public override void ConfigureServices(ServiceConfigurationContext context)
    {
        var configuration = context.Services.GetConfiguration();

        //Tenant bazında lokalizasyon ayarları için
        //TenantLocalization Middleware kaydı
        context.Services.AddTransient<TenantLocalizationMiddleware>();
        context.Services.AddTransient<TenantLocalizationInitializer>();
        
        ConfigureAuthentication(context);
        ConfigureBundles();
        ConfigureUrls(configuration);
        ConfigureConventionalControllers();
        //Localization'ı veritabanından kullandıgımız icin bir json resource kullanmıyoruz
        //Dolayısıyla şimdilik ihtiyacımız yok ama ileride başka bir sebepten kullanabiliriz diye silmedik
        //ConfigureVirtualFileSystem(context);
        ConfigureCors(context, configuration);
        ConfigureSwaggerServices(context, configuration);
        ConfigureIdentity(configuration);
        ConfigureCache();
        ConfigureHangfire(context, configuration);
        ConfigureBlobStoring(configuration);
        ConfigureAuditing();

        context.Services.AddSignalR();

        Configure<AbpExceptionHttpStatusCodeOptions>(options =>
        {
            options.Map(AppErrorCodes.NoAuth, System.Net.HttpStatusCode.Unauthorized);
        });

        Configure<OpenIddictServerAspNetCoreOptions>(options =>
        {
            options.DisableTransportSecurityRequirement = true;
        });

        Configure<AbpApplicationConfigurationOptions>(options =>
        {
            options.Contributors.AddIfNotContains(new PlatformApplicationConfigurationContributor());
        });
    }

    private void ConfigureAuthentication(ServiceConfigurationContext context)
    {
        context.Services.ForwardIdentityAuthenticationForBearer(OpenIddictValidationAspNetCoreDefaults.AuthenticationScheme);
        context.Services.Configure<AbpClaimsPrincipalFactoryOptions>(options =>
        {
            options.IsDynamicClaimsEnabled = true;
        });
    }

    private void ConfigureBundles()
    {
        Configure<AbpBundlingOptions>(options =>
        {
            options.StyleBundles.Configure(
                BasicThemeBundles.Styles.Global,
                bundle =>
                {
                    bundle.AddFiles("/global-styles.css");
                }
            );
        });
    }

    private void ConfigureUrls(IConfiguration configuration)
    {
        Configure<AppUrlOptions>(options =>
        {
            options.RedirectAllowedUrls.AddRange(configuration["App:RedirectAllowedUrls"]?.Split(',') ?? Array.Empty<string>());

            options.Applications[PlatformConsts.React].RootUrl = configuration["App:ClientUrl"];
            options.Applications[PlatformConsts.React].Urls[PlatformConsts.Urls.EmailConfirmation] = "account/confirm";
            options.Applications[PlatformConsts.React].Urls[PlatformConsts.Urls.PasswordReset] = "account/reset-password";
            options.Applications[PlatformConsts.React].Urls[PlatformConsts.Urls.UserDetail] = "account/{0}";

            //options.Applications["MVC"].RootUrl = configuration["App:SelfUrl"];
            //options.Applications["MVC"].Urls[PlatformConsts.Urls.EmailConfirmation] = "Account/Confirm";
            //options.Applications["MVC"].Urls[PlatformConsts.Urls.TwoFactor] = "Account/TwoFactor";
            //options.Applications["MVC"].Urls[PlatformConsts.Urls.Login] = "Account/Login";
            //options.Applications["MVC"].Urls[PlatformConsts.Urls.UserDetail] = "Identity/Users/Detail";
        });
    }

    private void ConfigureConventionalControllers()
    {
        Configure<AbpAspNetCoreMvcOptions>(options =>
        {
            options.ConventionalControllers.Create(typeof(PlatformApplicationModule).Assembly, opts =>
            {
                opts.TypePredicate = t => t.Namespace == "Kurs.Platform.ListForms.Administration";
                opts.RootPath = "admin";
            });
            options.ConventionalControllers.Create(typeof(PlatformApplicationModule).Assembly, opts =>
            {
                opts.TypePredicate = t => t.Namespace != "Kurs.Platform.ListForms.Administration";
                opts.RootPath = "app";
            });
            options.ConventionalControllers.Create(typeof(LanguagesApplicationModule).Assembly);
            options.ConventionalControllers.Create(typeof(SettingsApplicationModule).Assembly);
            options.ConventionalControllers.Create(typeof(KursMailQueueModule).Assembly);
            options.ConventionalControllers.Create(typeof(NotificationApplicationModule).Assembly);
            options.ChangeControllerModelApiExplorerGroupName = false;
            options.ConventionalControllers.FormBodyBindingIgnoredTypes.Add(typeof(PlatformUpdateProfileDto));
            options.ConventionalControllers.FormBodyBindingIgnoredTypes.Add(typeof(UploadFileDto));
        });
    }

    private void ConfigureVirtualFileSystem(ServiceConfigurationContext context)
    {
        var hostingEnvironment = context.Services.GetHostingEnvironment();

        if (hostingEnvironment.IsDevelopment())
        {
            Configure<AbpVirtualFileSystemOptions>(options =>
            {
                options.FileSets.ReplaceEmbeddedByPhysical<PlatformDomainSharedModule>(
                    Path.Combine(hostingEnvironment.ContentRootPath,
                        $"..{Path.DirectorySeparatorChar}Kurs.Platform.Domain.Shared"));
                options.FileSets.ReplaceEmbeddedByPhysical<PlatformDomainModule>(
                    Path.Combine(hostingEnvironment.ContentRootPath,
                        $"..{Path.DirectorySeparatorChar}Kurs.Platform.Domain"));
                options.FileSets.ReplaceEmbeddedByPhysical<PlatformApplicationContractsModule>(
                    Path.Combine(hostingEnvironment.ContentRootPath,
                        $"..{Path.DirectorySeparatorChar}Kurs.Platform.Application.Contracts"));
                options.FileSets.ReplaceEmbeddedByPhysical<PlatformApplicationModule>(
                    Path.Combine(hostingEnvironment.ContentRootPath,
                        $"..{Path.DirectorySeparatorChar}Kurs.Platform.Application"));
                options.FileSets.ReplaceEmbeddedByPhysical<KursMailQueueModule>(
                    Path.Combine(hostingEnvironment.ContentRootPath,
                        $"..{Path.DirectorySeparatorChar}Kurs.MailQueue"));
            });
        }
    }

    private void ConfigureCors(ServiceConfigurationContext context, IConfiguration configuration)
    {
        context.Services.AddCors(options =>
        {
            options.AddDefaultPolicy(builder =>
            {
                builder
                    .WithOrigins(configuration["App:CorsOrigins"]?
                        .Split(",", StringSplitOptions.RemoveEmptyEntries)
                        .Select(o => o.RemovePostFix("/"))
                        .ToArray() ?? Array.Empty<string>())
                    .WithAbpExposedHeaders()
                    .WithExposedHeaders(["X-Correlation-Id"])
                    .SetIsOriginAllowedToAllowWildcardSubdomains()
                    .AllowAnyHeader()
                    .AllowAnyMethod()
                    .AllowCredentials();
            });
        });
    }

    private void ConfigureSwaggerServices(ServiceConfigurationContext context, IConfiguration configuration)
    {
        context.Services.AddAbpSwaggerGenWithOAuth(
            configuration["AuthServer:Authority"],
            new Dictionary<string, string>
            {
                    {"Platform", "Platform API"}
            },
            options =>
            {
                options.SwaggerDoc("v1", new OpenApiInfo { Title = "Platform API", Version = "v1" });
                options.DocInclusionPredicate((docName, description) => true);
                options.CustomSchemaIds(type => type.FullName);
            });
    }

    private void ConfigureIdentity(IConfiguration configuration)
    {
        //Veritabanından yonetildigi icin bunlar kapatildi
        //Configure<IdentityOptions>(options =>
        //{
        //    options.SignIn.RequireConfirmedEmail = true;
        //    options.SignIn.RequireConfirmedAccount = true;
        //    options.SignIn.RequireConfirmedPhoneNumber = false;
        //    options.User.RequireUniqueEmail = true;
        //    options.Lockout.AllowedForNewUsers = true;
        //    options.Lockout.DefaultLockoutTimeSpan = TimeSpan.FromMinutes(5);
        //    options.Lockout.MaxFailedAccessAttempts = 5;
        //    options.Password.RequiredLength = 6;
        //    options.Password.RequiredUniqueChars = 0;
        //    options.Password.RequireNonAlphanumeric = false;
        //    options.Password.RequireLowercase = false;
        //    options.Password.RequireUppercase = false;
        //    options.Password.RequireDigit = false;
        //});

        Configure<PlatformIdentityOptions>(configuration.GetSection(PlatformConsts.AbpIdentity.GroupName));
    }

    private void ConfigureCache()
    {
        Configure<AbpDistributedCacheOptions>(options =>
        {
            options.KeyPrefix = PlatformConsts.AppName;
        });
        Configure<RedisCacheOptions>(options =>
        {
        });
    }

    private void ConfigureHangfire(ServiceConfigurationContext context, IConfiguration configuration)
    {
        Configure<AbpHangfireOptions>(options =>
        {
            options.ServerOptions = new BackgroundJobServerOptions()
            {
                Queues = ["default", "platform"]
            };
        });

        context.Services.AddHangfire(config =>
        {
            switch (DefaultDatabaseProvider)
            {
                case DatabaseProvider.PostgreSql:
                    config.UsePostgreSqlStorage(c =>
                        c.UseNpgsqlConnection(configuration.GetConnectionString(DefaultDatabaseProvider)));
                    break;
                case DatabaseProvider.SqlServer:
                    config.UseSqlServerStorage(configuration.GetConnectionString(DefaultDatabaseProvider));
                    break;
                default:
                    throw new InvalidOperationException("Unsupported database provider configured for Hangfire.");
            }
        });
    }

    private void ConfigureBlobStoring(IConfiguration configuration)
    {
        Configure<AbpBlobStoringOptions>(options =>
        {
            options.Containers.ConfigureDefault(container =>
            {
                container.UseFileSystem(fileSystem =>
                {
                    fileSystem.BasePath = configuration["App:CdnPath"];
                });
            });
        });
    }

    private void ConfigureAuditing()
    {
        Configure<AbpAspNetCoreAuditingOptions>(options =>
        {
            options.IgnoredUrls.Add("/api/app/list-form-customization");
        });
    }

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

        if (env.IsDevelopment())
        {
            app.UseDeveloperExceptionPage();
        }

        app.UseAbpRequestLocalization();

        // Auth hataları MVC tarafından /Error sayfasına yönlendirilmesin diye bu kaldırıldı
        // if (!env.IsDevelopment())
        // {
        //     app.UseErrorPage();
        // }

        app.UseCorrelationId();
        app.MapAbpStaticAssets();
        app.UseRouting();
        app.UseCors();
        app.UseAuthentication();
        app.UseAbpOpenIddictValidation();
        app.UseMiddleware<CaptchaMiddleware>();

        if (PlatformConsts.IsMultiTenant)
        {
            app.UseMultiTenancy();
            app.UseMiddleware<TenantLocalizationMiddleware>();
        }

        app.UseUnitOfWork();
        app.UseDynamicClaims();
        app.UseAuthorization();

        app.UseSwagger();
        app.UseAbpSwaggerUI(c =>
        {
            c.SwaggerEndpoint("/swagger/v1/swagger.json", "Platform API");

            var configuration = context.ServiceProvider.GetRequiredService<IConfiguration>();
            c.OAuthClientId(configuration["AuthServer:SwaggerClientId"]);
            c.OAuthScopes("Platform");
        });

        app.UseAuditing();
        app.UseAbpSerilogEnrichers();

        if (env.IsDevelopment())
        {
            app.UseHangfireDashboard();
        }
        else
        {
            app.UseHangfireDashboard("/hangfire", new DashboardOptions
            {
                AsyncAuthorization = [new AbpHangfireAuthorizationFilter()]
            });
        }
        app.UseEndpoints(endpoints =>
        {
            endpoints.MapHub<ClassroomHub>("/classroomhub");
        });

        app.UseConfiguredEndpoints();
    }
}