using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net.Http.Headers;
using Microsoft.AspNetCore.Authentication.JwtBearer;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Cors;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.DependencyInjection.Extensions;
using Polly;
using Volo.Abp;
using Volo.Abp.AspNetCore.Mvc.AntiForgery;
using Volo.Abp.AspNetCore.Mvc.Client;
using Volo.Abp.AspNetCore.Mvc.UI.MultiTenancy;
using Volo.Abp.AspNetCore.Serilog;
using Volo.Abp.Autofac;
using Volo.Abp.AutoMapper;
using Volo.Abp.Domain;
using Volo.Abp.Http.Client;
using Volo.Abp.Http.Client.Authentication;
using Volo.Abp.Http.Client.IdentityModel.Web;
using Volo.Abp.Identity;
using Volo.Abp.Localization;
using Volo.Abp.Modularity;
using Volo.Abp.MultiTenancy;
using Volo.Abp.Swashbuckle;
using Volo.Abp.Users;
using Win_in.Sfs.Auth;
using Win_in.Sfs.Basedata.Application.Contracts;
using Win_in.Sfs.FileStorage;
using Win_in.Sfs.Label.Application.Contracts;
using Win_in.Sfs.Message.Application.Contracts;
using Win_in.Sfs.Shared.Host;
using Win_in.Sfs.Wms.Inventory.Application.Contracts;
using Win_in.Sfs.Wms.Store.Application.Contracts;

namespace Win_in.Sfs.Wms.Dashboard.Host;

[DependsOn(
    typeof(AbpIdentityHttpApiClientModule),
    typeof(AbpAspNetCoreMvcClientModule),
    typeof(AbpHttpClientIdentityModelWebModule),
    typeof(SharedHostModule)
)]

/// <summary>
///
/// </summary>
[DependsOn(
    typeof(AbpAspNetCoreMvcUiMultiTenancyModule),
    typeof(AbpAutofacModule),
    typeof(AbpAspNetCoreSerilogModule),
    typeof(AbpSwashbuckleModule),
    typeof(AbpHttpClientModule),
    typeof(AbpAutoMapperModule)
    )]
[DependsOn(
    typeof(AbpIdentityApplicationContractsModule),
    typeof(BasedataApplicationContractsModule),
    typeof(InventoryApplicationContractsModule),
    typeof(StoreApplicationContractsModule),
    typeof(LabelApplicationContractsModule),
    typeof(MessageApplicationContractsModule),
    typeof(AuthApplicationContractsModule)
    )]
public class DashboardHttpApiHostModule : AbpModule
{
    private bool _isMultiTenancy = true;

    /// <summary>
    /// 预配置服务
    /// </summary>
    /// <param name="context"></param>
    public override void PreConfigureServices(ServiceConfigurationContext context)
    {
        /*
                    context.Services.Configure<AbpRemoteServiceOptions>(options =>
                    {
                        var configuration = context.Services.GetConfiguration();
                        var remoteServiceBaseUrl = configuration["RemoteServices:Default:BaseUrl"];
                        options.RemoteServices.Default = new RemoteServiceConfiguration(remoteServiceBaseUrl);
                    });
        */

        context.Services.AddAutoMapperObjectMapper<AbpDddDomainModule>();
        Configure<AbpAutoMapperOptions>(options => { options.AddMaps<DashboardHttpApiHostModule>(validate: true); });

        PreConfigure<AbpHttpClientBuilderOptions>(options =>
        {
            //Polly 重试3次
            options.ProxyClientBuildActions.Add((remoteServiceName, clientBuilder) =>
            {
                clientBuilder.AddTransientHttpErrorPolicy(policyBuilder =>
                    policyBuilder.WaitAndRetryAsync(
                        3,
                        i => TimeSpan.FromSeconds(Math.Pow(2, i))
                    )
                );
            });

            //默认添加Authorization Header: Bearer Token
            options.ProxyClientActions.Add((a, s, h) =>
            {
                var httpAuthorizationHandler = s.GetService<HttpAuthorizationHandler>();
                if (httpAuthorizationHandler != null && httpAuthorizationHandler.IsLoggedIn())
                {
                    h.DefaultRequestHeaders.Authorization =
                        new AuthenticationHeaderValue("Bearer", httpAuthorizationHandler.GetCurrentBearer());
                }
            });
        });
    }

    public override void PostConfigureServices(ServiceConfigurationContext context)
    {
        // 这里必须手动替换一下
        context.Services.Replace(ServiceDescriptor.Transient(typeof(IExternalUserLookupServiceProvider), typeof(HttpClientExternalUserLookupServiceProvider)));
        context.Services.Replace(ServiceDescriptor.Transient<IRemoteServiceHttpClientAuthenticator, SfsHttpContextIdentityModelRemoteServiceHttpClientAuthenticator>());
    }

    /// <summary>
    /// 配置服务
    /// </summary>
    /// <param name="context"></param>
    public override void ConfigureServices(ServiceConfigurationContext context)
    {
        _ = context.Services.GetHostingEnvironment();
        var configuration = context.Services.GetConfiguration();

        context.SetConsoleTitleOfWebApp("Dashboard.Host");

        _isMultiTenancy = Convert.ToBoolean(configuration["IsMultiTenancy"]);

        context.Services.Configure<AuthenticationOptions>(configuration.GetSection("Authentication"));

        ConfigureHttpClientProxies(context);

        ConfigureMultiTenancy();

        ConfigureSwaggerServices(context, configuration);

        ConfigureLocalization();

        ConfigureAuthentication(context, configuration);

        ConfigureCors(context, configuration);

        ConfigureAntiForgery();

        var testConfig = configuration["TestConfig"];
        Console.WriteLine("----------------------------");
        Console.WriteLine(testConfig);
        Console.WriteLine("----------------------------");
    }

    private void ConfigureAntiForgery()
    {
        Configure<AbpAntiForgeryOptions>(options =>
        {
            options.TokenCookie.SameSite = Microsoft.AspNetCore.Http.SameSiteMode.Lax;
            options.TokenCookie.Expiration = TimeSpan.FromDays(365);
            options.AutoValidateIgnoredHttpMethods.Add("POST");
        });
    }

    private static void ConfigureHttpClientProxies(ServiceConfigurationContext context)
    {
        _ = context.Services.GetConfiguration();

        context.Services.AddHttpClientProxies(
            typeof(AuthApplicationContractsModule).Assembly,
            "Auth"
        );
        context.Services.AddHttpClientProxies(
            typeof(MessageApplicationContractsModule).Assembly,
            "Message"
        );
        context.Services.AddHttpClientProxies(
            typeof(BasedataApplicationContractsModule).Assembly,
            "BaseData"
        );
        context.Services.AddHttpClientProxies(
            typeof(InventoryApplicationContractsModule).Assembly,
            "Inventory"
        );
        context.Services.AddHttpClientProxies(
            typeof(StoreApplicationContractsModule).Assembly,
            "Store"
        );
        context.Services.AddHttpClientProxies(
            typeof(LabelApplicationContractsModule).Assembly,
            "Label"
        );
        context.Services.AddHttpClientProxies(
            typeof(AbpIdentityApplicationContractsModule).Assembly,
            "Default"
        );
        context.Services.AddHttpClientProxies(
            typeof(FileStorageApplicationContractsModule).Assembly,
            "FileStorage"
        );
    }

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

    private static void ConfigureCors(ServiceConfigurationContext context, IConfiguration configuration)
    {
        var origins = configuration.GetSection("App:CorsOrigins").Get<string[]>();

        context.Services.AddCors(options =>
        {
            options.AddDefaultPolicy(builder =>
            {
                builder
                    .WithOrigins(
                        origins.Select(o => o.RemovePostFix("/"))
                            .ToArray()
                    )
                    .WithAbpExposedHeaders()
                    .SetIsOriginAllowedToAllowWildcardSubdomains()
                    .AllowAnyHeader()
                    .AllowAnyMethod()
                    .AllowCredentials();
            });
        });
    }

    private static void ConfigureAuthentication(ServiceConfigurationContext context, IConfiguration configuration)
    {
        //var isAlwaysAllowAuthorization = configuration.GetValue<bool>("AuthServer:AlwaysAllowAuthorization");
        //if (isAlwaysAllowAuthorization)
        //{
        //    //绕过授权服务,用于测试
        //    context.Services.AddAlwaysAllowAuthorization();
        //}
        //else
        //{
        //    context.Services.AddAuthentication()
        //        .AddJwtBearer(options =>
        //            {
        //                options.Authority = configuration["AuthServer:Authority"];
        //                options.RequireHttpsMetadata = Convert.ToBoolean(configuration["AuthServer:RequireHttpsMetadata"]);
        //                options.Audience = "DataExchange";
        //                options.BackchannelHttpHandler = new HttpClientHandler
        //                                                     {
        //                                                         ServerCertificateCustomValidationCallback =
        //                                                             HttpClientHandler.DangerousAcceptAnyServerCertificateValidator
        //                                                     };
        //            });
        //}

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

    private void ConfigureLocalization()
    {
        Configure<AbpLocalizationOptions>(options =>
        {
            options.Languages.Add(new LanguageInfo("en", "en", "English"));
            options.Languages.Add(new LanguageInfo("zh-Hans", "zh-Hans", "简体中文"));
        });
    }

    /// <summary>
    /// 应用初始化
    /// </summary>
    /// <param name="context"></param>
    public override void OnApplicationInitialization(ApplicationInitializationContext context)
    {
        var app = context.GetApplicationBuilder();
        var env = context.GetEnvironment();
        var configuration = context.GetConfiguration();

        app.UseDeveloperExceptionPage();
        //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", "Dashboard API");

            //options.OAuthClientId(configuration["AuthServer:SwaggerClientId"]);
            //options.OAuthClientSecret(configuration["AuthServer:SwaggerClientSecret"]);
            //options.OAuthScopes("Dashboard");

            options.OAuthClientId(configuration["IdentityClients:Default:ClientId"]);
            options.OAuthClientSecret(configuration["IdentityClients:Default:ClientSecret"]);
            options.OAuthScopes(configuration["IdentityClients:Default:Scope"]);
        });
        app.UseAuditing();
        app.UseAbpSerilogEnrichers();
        app.UseConfiguredEndpoints();
    }

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

        //        GetXmlFiles().ForEach(file =>
        //        {
        //            options.IncludeXmlComments(file);
        //        });
        //    });
    }
}