using DotNetCore.CAP;
using Elsa;
using Elsa.Options;
using Elsa.Rebus.RabbitMq;
using LINGYUN.Abp.AspNetCore.HttpOverrides.Forwarded;
using LINGYUN.Abp.BackgroundTasks;
using LINGYUN.Abp.BlobStoring.OssManagement;
using LINGYUN.Abp.Elsa.Localization;
using LINGYUN.Abp.ExceptionHandling;
using LINGYUN.Abp.ExceptionHandling.Emailing;
using LINGYUN.Abp.Localization.CultureMap;
using LINGYUN.Abp.Serilog.Enrichers.Application;
using LINGYUN.Abp.Serilog.Enrichers.UniqueId;
using Medallion.Threading;
using Medallion.Threading.Redis;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.AspNetCore.Cors;
using Microsoft.AspNetCore.DataProtection;
using Microsoft.AspNetCore.HttpOverrides;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Caching.StackExchangeRedis;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.IdentityModel.Logging;
using Microsoft.OpenApi.Models;
using Quartz;
using StackExchange.Redis;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.Encodings.Web;
using System.Text.Unicode;
using Volo.Abp;
using Volo.Abp.AspNetCore.Mvc;
using Volo.Abp.AspNetCore.Mvc.AntiForgery;
using Volo.Abp.Auditing;
using Volo.Abp.BlobStoring;
using Volo.Abp.Caching;
using Volo.Abp.EntityFrameworkCore;
using Volo.Abp.GlobalFeatures;
using Volo.Abp.Json;
using Volo.Abp.Json.SystemTextJson;
using Volo.Abp.Localization;
using Volo.Abp.MultiTenancy;
using Volo.Abp.Quartz;
using Volo.Abp.Security.Claims;
using Volo.Abp.Threading;
using Volo.Abp.VirtualFileSystem;

namespace LY.MicroService.WorkflowManagement;

public partial class WorkflowManagementHttpApiHostModule
{
    private const string DefaultCorsPolicyName = "Default";
    private const string ApplicationName = "Workflow";
    private static readonly OneTimeRunner OneTimeRunner = new OneTimeRunner();

    private void PreConfigureFeature()
    {
        OneTimeRunner.Run(() =>
        {
            GlobalFeatureManager.Instance.Modules.Editions().EnableAll();
        });
    }

    private void PreConfigureForwardedHeaders()
    {
        PreConfigure<AbpForwardedHeadersOptions>(options =>
        {
            options.ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto;
            options.KnownNetworks.Clear();
            options.KnownProxies.Clear();
        });
    }

    private void PreConfigureApp(IConfiguration configuration)
    {
        JwtClaimTypesMapping.MapAbpClaimTypes();
        AbpSerilogEnrichersConsts.ApplicationName = ApplicationName;

        PreConfigure<AbpSerilogEnrichersUniqueIdOptions>(options =>
        {
            // 以开放端口区别
            options.SnowflakeIdOptions.WorkerId = 29;
            options.SnowflakeIdOptions.WorkerIdBits = 5;
            options.SnowflakeIdOptions.DatacenterId = 1;
        });

        if (configuration.GetValue<bool>("App:ShowPii"))
        {
            IdentityModelEventSource.ShowPII = true;
        }
    }


    private void PreConfigureCAP(IConfiguration configuration)
    {
        PreConfigure<CapOptions>(options =>
        {
            options
            .UseMySql(mySqlOptions =>
            {
                configuration.GetSection("CAP:MySql").Bind(mySqlOptions);
            })
            .UseRabbitMQ(rabbitMQOptions =>
            {
                configuration.GetSection("CAP:RabbitMQ").Bind(rabbitMQOptions);
            })
            .UseDashboard();
        });
    }

    private void PreConfigureQuartz(IConfiguration configuration)
    {
        PreConfigure<AbpQuartzOptions>(options =>
        {
            // 如果使用持久化存储, 则配置quartz持久层
            if (configuration.GetSection("Quartz:UsePersistentStore").Get<bool>())
            {
                var settings = configuration.GetSection("Quartz:Properties").Get<Dictionary<string, string>>();
                if (settings != null)
                {
                    foreach (var setting in settings)
                    {
                        options.Properties[setting.Key] = setting.Value;
                    }
                }

                options.Configurator += (config) =>
                {
                    config.UsePersistentStore(store =>
                    {
                        store.UseProperties = false;
                        store.UseNewtonsoftJsonSerializer();
                    });
                };
            }
        });
    }

    private void ConfigureBackgroundTasks()
    {
        Configure<AbpBackgroundTasksOptions>(options =>
        {
            options.NodeName = ApplicationName;
        });
    }

    private void PreConfigureElsa(IServiceCollection services, IConfiguration configuration)
    {
        var elsaSection = configuration.GetSection("Elsa");
        var startups = new[]
            {
                typeof(Elsa.Activities.Console.Startup),
                typeof(Elsa.Activities.Http.Startup),
                typeof(Elsa.Activities.UserTask.Startup),
                typeof(Elsa.Activities.Temporal.Quartz.Startup),
                typeof(Elsa.Activities.Email.Startup),
                typeof(Elsa.Scripting.JavaScript.Startup),
                typeof(Elsa.Activities.Webhooks.Startup),
            };

        PreConfigure<ElsaOptionsBuilder>(elsa =>
        {
            elsa
                .AddActivitiesFrom<WorkflowManagementHttpApiHostModule>()
                .AddWorkflowsFrom<WorkflowManagementHttpApiHostModule>()
                .AddFeatures(startups, configuration)
                .ConfigureWorkflowChannels(options => elsaSection.GetSection("WorkflowChannels").Bind(options))
                .UseRabbitMq(elsaSection["Rebus:RabbitMQ:Connection"]);

            elsa.DistributedLockingOptionsBuilder
                .UseProviderFactory(sp => name =>
                {
                    var provider = sp.GetRequiredService<IDistributedLockProvider>();

                    return provider.CreateLock(name);
                });
        });

        services.AddNotificationHandlersFrom<WorkflowManagementHttpApiHostModule>();

        PreConfigure<IMvcBuilder>(mvcBuilder =>
        {
            mvcBuilder.AddApplicationPartIfNotExists(typeof(Elsa.Webhooks.Api.Endpoints.List).Assembly);
        });
    }

    private void ConfigureEndpoints(IServiceCollection services)
    {
        // 不需要
        //Configure<AbpEndpointRouterOptions>(options =>
        //{
        //    options.EndpointConfigureActions.Add(
        //        (context) =>
        //        {
        //            context.Endpoints.MapFallbackToPage("/_Host");
        //        });
        //});
        var preActions = services.GetPreConfigureActions<AbpAspNetCoreMvcOptions>();

        services.AddAbpApiVersioning(options =>
        {
            options.ReportApiVersions = true;
            options.AssumeDefaultVersionWhenUnspecified = true;

            //options.ApiVersionReader = new HeaderApiVersionReader("api-version"); //Supports header too
            //options.ApiVersionReader = new MediaTypeApiVersionReader(); //Supports accept header too
        }, mvcOptions =>
        {
            mvcOptions.ConfigureAbp(preActions.Configure());
        });
    }

    private void ConfigureDistributedLock(IServiceCollection services, IConfiguration configuration)
    {
        var distributedLockEnabled = configuration["DistributedLock:IsEnabled"];
        if (distributedLockEnabled.IsNullOrEmpty() || bool.Parse(distributedLockEnabled))
        {
            var redis = ConnectionMultiplexer.Connect(configuration["DistributedLock:Redis:Configuration"]);
            services.AddSingleton<IDistributedLockProvider>(_ => new RedisDistributedSynchronizationProvider(redis.GetDatabase()));
        }
    }

    private void ConfigureBlobStoring(IServiceCollection services, IConfiguration configuration)
    {
        var preActions = services.GetPreConfigureActions<AbpBlobStoringOptions>();
        Configure<AbpBlobStoringOptions>(options =>
        {
            preActions.Configure(options);
            //options.Containers.Configure<WorkflowContainer>((containerConfiguration) =>
            //{
            //    containerConfiguration.UseOssManagement(config =>
            //    {
            //        config.Bucket = configuration[OssManagementBlobProviderConfigurationNames.Bucket] ?? "workflow";
            //    });
            //});
            options.Containers.ConfigureAll((_, containerConfiguration) =>
            {
                containerConfiguration.UseOssManagement(config =>
                {
                    config.Bucket = configuration[OssManagementBlobProviderConfigurationNames.Bucket] ?? "workflow";
                });
            });
        });
    }

    private void ConfigureDbContext()
    {
        // 配置Ef
        Configure<AbpDbContextOptions>(options =>
        {
            options.UseMySQL();
        });
    }

    private void ConfigureJsonSerializer(IConfiguration configuration)
    {
        // 统一时间日期格式
        Configure<AbpJsonOptions>(options =>
        {
            var jsonConfiguration = configuration.GetSection("Json");
            if (jsonConfiguration.Exists())
            {
                jsonConfiguration.Bind(options);
            }
        });
        // 中文序列化的编码问题
        Configure<AbpSystemTextJsonSerializerOptions>(options =>
        {
            options.JsonSerializerOptions.Encoder = JavaScriptEncoder.Create(UnicodeRanges.All);
        });
    }

    private void ConfigureExceptionHandling()
    {
        // 自定义需要处理的异常
        Configure<AbpExceptionHandlingOptions>(options =>
        {
            //  加入需要处理的异常类型
            options.Handlers.Add<Volo.Abp.Data.AbpDbConcurrencyException>();
            options.Handlers.Add<AbpInitializationException>();
            options.Handlers.Add<OutOfMemoryException>();
            options.Handlers.Add<System.Data.Common.DbException>();
            options.Handlers.Add<Microsoft.EntityFrameworkCore.DbUpdateException>();
            options.Handlers.Add<System.Data.DBConcurrencyException>();
        });
        // 自定义需要发送邮件通知的异常类型
        Configure<AbpEmailExceptionHandlingOptions>(options =>
        {
            // 是否发送堆栈信息
            options.SendStackTrace = true;
            // 未指定异常接收者的默认接收邮件
            // 指定自己的邮件地址
        });
    }

    private void ConfigureAuditing(IConfiguration configuration)
    {
        Configure<AbpAuditingOptions>(options =>
        {
            options.ApplicationName = ApplicationName;
            // 是否启用实体变更记录
            var allEntitiesSelectorIsEnabled = configuration["Auditing:AllEntitiesSelector"];
            if (allEntitiesSelectorIsEnabled.IsNullOrWhiteSpace() ||
                (bool.TryParse(allEntitiesSelectorIsEnabled, out var enabled) && enabled))
            {
                options.EntityHistorySelectors.AddAllEntities();
            }
        });
    }

    private void ConfigureCaching(IConfiguration configuration)
    {
        Configure<AbpDistributedCacheOptions>(options =>
        {
            configuration.GetSection("DistributedCache").Bind(options);
        });

        Configure<RedisCacheOptions>(options =>
        {
            var redisConfig = ConfigurationOptions.Parse(options.Configuration);
            options.ConfigurationOptions = redisConfig;
            options.InstanceName = configuration["Redis:InstanceName"];
        });
    }

    private void ConfigureVirtualFileSystem()
    {
        Configure<AbpVirtualFileSystemOptions>(options =>
        {
            options.FileSets.AddEmbedded<WorkflowManagementHttpApiHostModule>("LINGYUN.Abp.WorkflowManagement");
        });
    }

    private void ConfigureMultiTenancy(IConfiguration configuration)
    {
        // 多租户
        Configure<AbpMultiTenancyOptions>(options =>
        {
            options.IsEnabled = true;
        });

        var tenantResolveCfg = configuration.GetSection("App:Domains");
        if (tenantResolveCfg.Exists())
        {
            Configure<AbpTenantResolveOptions>(options =>
            {
                var domains = tenantResolveCfg.Get<string[]>();
                foreach (var domain in domains)
                {
                    options.AddDomainTenantResolver(domain);
                }
            });
        }
    }

    private void ConfigureIdentity(IConfiguration configuration)
    {
        Configure<AbpClaimsPrincipalFactoryOptions>(options =>
        {
            options.IsDynamicClaimsEnabled = true;
            options.RemoteRefreshUrl = configuration["App:RefreshClaimsUrl"] + options.RemoteRefreshUrl;

        });
    }

    private void ConfigureSwagger(IServiceCollection services)
    {
        // Swagger
        services.AddSwaggerGen(
            options =>
            {
                options.SwaggerDoc("v1", new OpenApiInfo { Title = "Workflow API", Version = "v1" });
                options.DocInclusionPredicate((docName, description) => true);
                options.CustomSchemaIds(type => type.FullName);
                options.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme
                {
                    Description = "JWT Authorization header using the Bearer scheme. Example: \"Authorization: Bearer {token}\"",
                    Name = "Authorization",
                    In = ParameterLocation.Header,
                    Scheme = "bearer",
                    Type = SecuritySchemeType.Http,
                    BearerFormat = "JWT"
                });
                options.AddSecurityRequirement(new OpenApiSecurityRequirement
                {
                        {
                            new OpenApiSecurityScheme
                            {
                                Reference = new OpenApiReference { Type = ReferenceType.SecurityScheme, Id = "Bearer" }
                            },
                            new string[] { }
                        }
                });
                options.OperationFilter<TenantHeaderParamter>();
            });
    }

    private void ConfigureLocalization()
    {
        // 支持本地化语言类型
        Configure<AbpLocalizationOptions>(options =>
        {
            options.Languages.Add(new LanguageInfo("en", "en", "English"));
            options.Languages.Add(new LanguageInfo("zh-Hans", "zh-Hans", "简体中文"));

            options.UsePersistence<ElsaResource>();
        });

        Configure<AbpLocalizationCultureMapOptions>(options =>
        {
            var zhHansCultureMapInfo = new CultureMapInfo
            {
                TargetCulture = "zh-Hans",
                SourceCultures = new string[] { "zh", "zh_CN", "zh-CN" }
            };

            options.CulturesMaps.Add(zhHansCultureMapInfo);
            options.UiCulturesMaps.Add(zhHansCultureMapInfo);
        });
    }

    private void ConfigureSecurity(IServiceCollection services, IConfiguration configuration, bool isDevelopment = false)
    {
        Configure<AbpAntiForgeryOptions>(options =>
        {
            options.AutoValidate = false;
            //options.AutoValidateFilter = (type) => !type.Namespace.Contains("elsa", StringComparison.CurrentCultureIgnoreCase);
        });

        services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
            .AddJwtBearer(options =>
            {
                options.Authority = configuration["AuthServer:Authority"];
                options.RequireHttpsMetadata = false;
                options.Audience = configuration["AuthServer:ApiName"];
                options.MapInboundClaims = false;
            });

        //services.AddElsaJwtBearerAuthentication(options =>
        //{
        //});

        if (isDevelopment)
        {
            // services.AddAlwaysAllowAuthorization();
        }

        if (!isDevelopment)
        {
            var redis = ConnectionMultiplexer.Connect(configuration["Redis:Configuration"]);
            services
                .AddDataProtection()
                .SetApplicationName("LINGYUN.Abp.Application")
                .PersistKeysToStackExchangeRedis(redis, "LINGYUN.Abp.Application:DataProtection:Protection-Keys");
        }
    }

    private void ConfigureCors(IServiceCollection services, IConfiguration configuration)
    {
        services.AddCors(options =>
        {
            options.AddPolicy(DefaultCorsPolicyName, builder =>
            {
                builder
                    .WithOrigins(
                        configuration["App:CorsOrigins"]
                            .Split(",", StringSplitOptions.RemoveEmptyEntries)
                            .Select(o => o.RemovePostFix("/"))
                            .ToArray()
                    )
                    .WithAbpExposedHeaders()
                    .WithExposedHeaders("_AbpWrapResult", "_AbpDontWrapResult")
                    .SetIsOriginAllowedToAllowWildcardSubdomains()
                    .AllowAnyHeader()
                    .AllowAnyMethod()
                    .AllowCredentials();
            });
        });
    }
}