using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using IdentityModel;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Cors;
using Microsoft.AspNetCore.DataProtection;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Win_in.Sfs.Scp.WebApi.EntityFrameworkCore;
using StackExchange.Redis;
using Microsoft.OpenApi.Models;
using Volo.Abp;
using Volo.Abp.AspNetCore.Mvc.UI.MultiTenancy;
using Volo.Abp.AspNetCore.Mvc.UI.Theme.Shared;
using Volo.Abp.AspNetCore.Serilog;
using Volo.Abp.AuditLogging.EntityFrameworkCore;
using Volo.Abp.Autofac;
using Volo.Abp.Caching;
using Volo.Abp.Caching.StackExchangeRedis;
using Volo.Abp.EntityFrameworkCore;
using Volo.Abp.EntityFrameworkCore.SqlServer;
using Volo.Abp.Localization;
using Volo.Abp.Modularity;
using Volo.Abp.MultiTenancy;
using Volo.Abp.PermissionManagement.EntityFrameworkCore;
using Volo.Abp.Security.Claims;
using Volo.Abp.SettingManagement.EntityFrameworkCore;
using Volo.Abp.Swashbuckle;
using Volo.Abp.VirtualFileSystem;
using Microsoft.AspNetCore.Mvc.ApiExplorer;
using Microsoft.AspNetCore.Mvc;
using Swashbuckle.AspNetCore.SwaggerGen;
using System.Reflection;
using Serilog;
using Serilog.Events;
using Volo.Abp.AspNetCore.Mvc;

namespace Win_in.Sfs.Scp.WebApi
{
    [DependsOn(
        typeof(WebApiApplicationModule),
        typeof(WebApiEntityFrameworkCoreModule),
        typeof(WebApiHttpApiModule),
        typeof(AbpAspNetCoreMvcUiMultiTenancyModule),
        typeof(AbpAutofacModule),
        typeof(AbpCachingStackExchangeRedisModule),
        typeof(AbpEntityFrameworkCoreSqlServerModule),
        typeof(AbpAuditLoggingEntityFrameworkCoreModule),
        typeof(AbpPermissionManagementEntityFrameworkCoreModule),
        typeof(AbpSettingManagementEntityFrameworkCoreModule),
        typeof(AbpAspNetCoreSerilogModule),
        typeof(AbpSwashbuckleModule)
        )]
    public class WebApiHttpApiHostModule : AbpModule
    {
        private bool _isMultiTenancy = true;

        public override void ConfigureServices(ServiceConfigurationContext context)
        {
            var hostingEnvironment = context.Services.GetHostingEnvironment();
            var configuration = context.Services.GetConfiguration();
            _isMultiTenancy = Convert.ToBoolean(configuration["IsMultiTenancy"]);

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

            Configure<AbpMultiTenancyOptions>(options =>
            {
                options.IsEnabled = _isMultiTenancy;
            });

            if (hostingEnvironment.IsDevelopment())
            {
                Configure<AbpVirtualFileSystemOptions>(options =>
                {
                    options.FileSets.ReplaceEmbeddedByPhysical<WebApiDomainSharedModule>(Path.Combine(hostingEnvironment.ContentRootPath, string.Format("..{0}..{0}src{0}Win_in.Sfs.Scp.WebApi.Domain.Shared", Path.DirectorySeparatorChar)));
                    options.FileSets.ReplaceEmbeddedByPhysical<WebApiDomainModule>(Path.Combine(hostingEnvironment.ContentRootPath, string.Format("..{0}..{0}src{0}Win_in.Sfs.Scp.WebApi.Domain", Path.DirectorySeparatorChar)));
                    options.FileSets.ReplaceEmbeddedByPhysical<WebApiApplicationContractsModule>(Path.Combine(hostingEnvironment.ContentRootPath, string.Format("..{0}..{0}src{0}Win_in.Sfs.Scp.WebApi.Application.Contracts", Path.DirectorySeparatorChar)));
                    options.FileSets.ReplaceEmbeddedByPhysical<WebApiApplicationModule>(Path.Combine(hostingEnvironment.ContentRootPath, string.Format("..{0}..{0}src{0}Win_in.Sfs.Scp.WebApi.Application", Path.DirectorySeparatorChar)));
                });
            }

            Configure<AbpAspNetCoreMvcOptions>(options =>
            {
                options
                    .ConventionalControllers
                    .Create(typeof(WebApiApplicationModule).Assembly);
            });

            context.Services.AddAbpSwaggerGenWithOAuth(
                configuration["AuthServer:Authority"],
                new Dictionary<string, string>
                {
                    {"WebApi", "WebApi API"}
                },
                //options =>
                //{
                //    options.SwaggerDoc("v1", new OpenApiInfo {Title = "WebApi API", Version = "v1"});
                //    options.DocInclusionPredicate((docName, description) => true);
                //    options.CustomSchemaIds(type => type.FullName);
                //});
                options =>
                {
                    //遍历Swagger分组，注册SwaggerDoc
                    foreach (var groupName in typeof(SwaggerGroupConsts).GetFields()
                        .Select(f => f.GetValue(null).ToString()))
                    {
                        options.SwaggerDoc(groupName,
                            new OpenApiInfo { Title = $"{groupName} API", Version = groupName });

                    }

                    //根据APIExplorerSetting判断是否包含于Swagger文档当前分组
                    options.DocInclusionPredicate(IsIncludeInDoc);

                    //反射注入全部Application和Application.Contract程序集说明
                    GetXmlFiles().ForEach(file =>
                    {
                        options.IncludeXmlComments(file);
                        Log.Information( " TEST-SWAGGER PATH ==> "+ file);
                    });


                    options.CustomSchemaIds(type => type.FullName);
                });

            Configure<AbpLocalizationOptions>(options =>
            {
                options.Languages.Add(new LanguageInfo("cs", "cs", "Čeština"));
                options.Languages.Add(new LanguageInfo("en", "en", "English"));
                options.Languages.Add(new LanguageInfo("en-GB", "en-GB", "English (UK)"));
                options.Languages.Add(new LanguageInfo("fi", "fi", "Finnish"));
                options.Languages.Add(new LanguageInfo("fr", "fr", "Français"));
                options.Languages.Add(new LanguageInfo("hi", "hi", "Hindi", "in"));
                options.Languages.Add(new LanguageInfo("it", "it", "Italian", "it"));
                options.Languages.Add(new LanguageInfo("hu", "hu", "Magyar"));
                options.Languages.Add(new LanguageInfo("pt-BR", "pt-BR", "Português"));
                options.Languages.Add(new LanguageInfo("ru", "ru", "Русский"));
                options.Languages.Add(new LanguageInfo("sk", "sk", "Slovak"));
                options.Languages.Add(new LanguageInfo("tr", "tr", "Türkçe"));
                options.Languages.Add(new LanguageInfo("zh-Hans", "zh-Hans", "简体中文"));
                options.Languages.Add(new LanguageInfo("zh-Hant", "zh-Hant", "繁體中文"));
            });

            context.Services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
                .AddJwtBearer(options =>
                {
                    options.Authority = configuration["AuthServer:Authority"];
                    options.RequireHttpsMetadata = Convert.ToBoolean(configuration["AuthServer:RequireHttpsMetadata"]);
                    options.Audience = "WebApi";
                });

            Configure<AbpDistributedCacheOptions>(options =>
            {
                options.KeyPrefix = "WebApi:";
            });

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

            context.Services.AddCors(options =>
            {
                options.AddDefaultPolicy(builder =>
                {
                    builder
                        .WithOrigins(
                            configuration["App:CorsOrigins"]
                                .Split(",", StringSplitOptions.RemoveEmptyEntries)
                                .Select(o => o.RemovePostFix("/"))
                                .ToArray()
                        )
                        .WithAbpExposedHeaders()
                        .SetIsOriginAllowedToAllowWildcardSubdomains()
                        .AllowAnyHeader()
                        .AllowAnyMethod()
                        .AllowCredentials();
                });
            });
        }
        /// <summary>
        /// 判断是否应该加入当前分组
        /// </summary>
        /// <param name="docName"></param>
        /// <param name="apiDesc"></param>
        /// <returns></returns>
        private bool IsIncludeInDoc(string docName, ApiDescription apiDesc)
        {
            if (!apiDesc.TryGetMethodInfo(out MethodInfo methodInfo))
            {
                return false;
            }

            var groups = methodInfo.ReflectedType.GetCustomAttributes(true)
                .OfType<ApiExplorerSettingsAttribute>()
                .Select(attr => attr.GroupName)
                .ToList();

            if (docName == SwaggerGroupConsts.Default)
            {
                if (groups.Count == 0)
                {
                    return true;
                }

                return apiDesc.GroupName == SwaggerGroupConsts.Default;
            }

            return docName == apiDesc.GroupName;
        }

        /// <summary>
        /// 获取当前目录下的xml文档
        /// </summary>
        /// <returns></returns>
        private List<string> GetXmlFiles()
        {
            var basePath = Path.GetDirectoryName(typeof(Program).Assembly.Location);
            Log.Information(" TEST- base Path PATH ==> " + basePath);
            //Console.WriteLine(" TEST- base Path PATH ==> " + basePath);
            var files1 = Directory.GetFiles(basePath, "*.Application*.xml");
            return files1.ToList();
        }

        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.UseCorrelationId();
            app.UseStaticFiles();
            app.UseRouting();
            app.UseCors();
            app.UseAuthentication();
            if (_isMultiTenancy)
            {
                app.UseMultiTenancy();
            }
            app.UseAbpRequestLocalization();
            app.UseAuthorization();
            app.UseSwagger();
            app.UseAbpSwaggerUI(options =>
            {
                //options.SwaggerEndpoint("/swagger/v1/swagger.json", "Support APP API");
                //遍历Swagger分组，注册SwaggerEndpoint
                foreach (var groupName in typeof(SwaggerGroupConsts).GetFields()
                    .Select(f => f.GetValue(null).ToString()))
                {
                    Log.Information(groupName);
                    options.SwaggerEndpoint($"/swagger/{groupName}/swagger.json", $"{groupName} API");
                }
                var configuration = context.GetConfiguration();
                options.OAuthClientId(configuration["AuthServer:SwaggerClientId"]);
                options.OAuthClientSecret(configuration["AuthServer:SwaggerClientSecret"]);
                options.OAuthScopes("WebApi");
            });

            

            app.UseAuditing();
            app.UseAbpSerilogEnrichers();
            app.UseConfiguredEndpoints();
        }
    }

}