using zzz.Common;
using log4net;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.OpenApi.Models;
using Swashbuckle.AspNetCore.Filters;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using zzz.AOP;

namespace zzz.Extensions
{
    /// <summary>
    /// Swagger 启动服务
    /// </summary>
    public static class SwaggerSetup
    {

        private static readonly ILog log = LogManager.GetLogger(typeof(SwaggerSetup));

        public static void AddSwaggerSetup(this IServiceCollection services)
        {
            if (services == null) throw new ArgumentNullException(nameof(services));

            var basePath = AppContext.BaseDirectory;

            services.AddSwaggerGen(c =>
            {
                c.SwaggerDoc("v1", new Microsoft.OpenApi.Models.OpenApiInfo()
                {
                    Title = "后台Api文档",
                    Version = "1.0.0",
                    Description = "描述~~"
                });


                c.UseInlineDefinitionsForEnums();
                try
                {
                    //
                    var xmlPath = Path.Combine(basePath, "zzz.Api.xml");
                    c.IncludeXmlComments(xmlPath, true);

                    //这个就是Model层的xml文件名
                    var xmlModelPath = Path.Combine(basePath, "zzz.Model.xml");
                    c.IncludeXmlComments(xmlModelPath);

                    //这个就是Services层的xml文件名
                    var xmlServicesPath = Path.Combine(basePath, "zzz.Services.xml");
                    c.IncludeXmlComments(xmlServicesPath);

                }
                catch (Exception ex)
                {
                    log.Error("zzz.xml和zzz.Model.xml 丢失，请检查并拷贝。\n" + ex.Message);
                }

                // 开启加权小锁
                c.OperationFilter<AddResponseHeadersFilter>();
                c.OperationFilter<AppendAuthorizeToSummaryOperationFilter>();

                // 在header中添加token，传递到后台
                c.OperationFilter<SecurityRequirementsOperationFilter>();


                // Jwt Bearer 认证，必须是 oauth2
                c.AddSecurityDefinition("oauth2", new OpenApiSecurityScheme
                {
                    Description = "JWT授权(数据将在请求头中进行传输) 直接在下框中输入Bearer {token}（注意两者之间是一个空格）\"",
                    Name = "Authorization",//jwt默认的参数名称
                    In = ParameterLocation.Header,//jwt默认存放Authorization信息的位置(请求头中)
                    Type = SecuritySchemeType.ApiKey
                });

            });
            services.AddSwaggerGenNewtonsoftSupport();
        }
    }

   

}