using IdentityServer4.Stores;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Server.Kestrel.Core;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.OpenApi.Models;
using QM.AuthServer.Auth;
using System;
using System.IO;
using System.Reflection;
using System.Security.Cryptography;
using WS;
using WS.Cache;
using WS.Ico;
using WS.Swagger;
using WS.Swagger.Builder;
using WS.Swagger.Filters;
using WS.WebCore.Filter;

namespace QM.AuthServer
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {

            // 缓存注入
            services.AddScoped<ICacheService, MemoryCacheService>();

            services.AddControllers();
            //services.AddSwaggerGen(c =>
            //{
            //    c.SwaggerDoc("v1", new OpenApiInfo { Title = "QM.AuthServer", Version = "v1" });
            //});
            services.AddAutoDIService();

            #region Session
            //Session 保存到内存     （10分钟）
            services.AddDistributedMemoryCache();
            services.AddSession(options =>
            {
                //options.IdleTimeout = TimeSpan.FromMinutes(int.Parse(Configuration["Authorize:Session:Expires"]));
                options.Cookie.HttpOnly = true;
            });
            #endregion

            #region Swagger UI Service
            var basePath = Path.GetDirectoryName(typeof(Program).Assembly.Location);
            //注册Swagger生成器，定义一个和多个Swagger 文档
            //services.AddSwaggerGen(CustsomSwaggerOptions);
            services.AddCustomSwagger(CURRENT_SWAGGER_OPTIONS);
            // If using Kestrel:
            services.Configure<KestrelServerOptions>(options => { options.AllowSynchronousIO = true; });
            // If using IIS:
            services.Configure<IISServerOptions>(options => { options.AllowSynchronousIO = true; });
            #endregion

            #region IdentityServer4
            //RSA：证书长度2048以上，否则抛异常
            //配置AccessToken的加密证书
            var rsa = new RSACryptoServiceProvider();
            //从配置文件获取加密证书
            rsa.ImportCspBlob(Convert.FromBase64String(Configuration["Auth:SigningCredential"]));
            var section = Configuration.GetSection("SSOConfig");
            //客户端模式--怎么执行Ids4
            services.AddIdentityServer()//怎么处理
                .AddDeveloperSigningCredential()//默认开发者证书-生产环境更换为使用AddSigningCredential()
                //.AddSigningCredential(new RsaSecurityKey(rsa))  //设置加密证书
                .AddInMemoryCaching()
                .AddInMemoryIdentityResources(InitConfig.GetIdentityResources())
                .AddInMemoryApiScopes(InitConfig.GetApiScopes(section))//配置资源
                .AddInMemoryApiResources(InitConfig.GetApiResources(section))//配置资源
                .AddInMemoryClients(InitConfig.GetClients(section))//配置客户端
                .AddResourceOwnerValidator<ResourceOwnerPasswordValidator>()
                .AddProfileService<ProfileService>();
            #endregion

            services.AddMvc(options =>
            {
                options.Filters.Add(typeof(GlobalExceptionsFilter));
            });
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
                //app.UseSwagger();
                //app.UseSwaggerUI(c => c.SwaggerEndpoint("/swagger/v1/swagger.json", "QM.AuthServer v1"));
            }
            app.UseIdentityServer();//添加认证中间件

            app.UseHttpsRedirection();
            //启用Session
            app.UseSession();

            app.UseRouting();

            app.UseAuthorization();

            #region Swagger UI
            //CURRENT_SWAGGER_OPTIONS.ApiVersions = provider.ApiVersionDescriptions.Select(s => s.GroupName).ToArray();
            app.UseSwagger();
            app.UseCustomSwagger(CURRENT_SWAGGER_OPTIONS);
            #endregion

            app.UseStaticFiles();

            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllers();
            });
        }


        #region Swagger 项目接口文档配置
        /// <summary>
        /// 项目接口文档配置
        /// </summary>
        private CustsomSwaggerOptions CURRENT_SWAGGER_OPTIONS = new CustsomSwaggerOptions()
        {
            ProjectName = ProConst.PRO_TITLE,
            AppName = ProConst.APP_NAME,
            AddSwaggerGenAction = c =>
            {
                c.OperationFilter<AssignOperationVendorFilter>();
                var filePath = Path.Combine(AppContext.BaseDirectory, typeof(Program).GetTypeInfo().Assembly.GetName().Name + ".xml");
                //controller及action注释
                c.IncludeXmlComments(filePath, true);
            },
            UseSwaggerAction = c =>
            {

            },
            UseSwaggerUIAction = c =>
            {

            }
        };
        #endregion
    }
}