using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.OpenApi.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace UIStandardWebApi.WebCore.SwaggerExtend
{
    public static class SwaggerExtensions
    {
        /// <summary>
        ///  配置Swagger的配置
        /// </summary>
        /// <param name="service"></param>
        /// <param name="docName"></param>
        /// <param name="docDescription"></param>
        public static void AddSwaggerExt(this IServiceCollection service, string docName, string docDescription)
        {
            service.AddEndpointsApiExplorer();
            service.AddSwaggerGen(option =>
            {
                foreach (var version in typeof(ApiVersions).GetEnumNames())
                {
                    option.SwaggerDoc(version, new OpenApiInfo()
                    {
                        Title = !string.IsNullOrWhiteSpace(docName) ? docName : $"Api文档",
                        Version = version,
                        Description = !string.IsNullOrWhiteSpace(docDescription) ? docDescription : $"Api版本v1"
                    });
                }
                //option.OperationFilter<SwaggerFileUploadFcilter>();

                // xml文档绝对路径 
                var file = Path.Combine(AppContext.BaseDirectory, $"{AppDomain.CurrentDomain.FriendlyName}.xml");
                // true : 显示控制器层注释
                option.IncludeXmlComments(file, true);
                // 对action的名称进行排序，如果有多个，就可以看见效果了。
                option.OrderActionsBy(o => o.RelativePath);

                //#region 支持jwt token授权
                //{
                //    //添加安全定义--配置支持token授权机制
                //    option.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme
                //    {
                //        Description = "请输入token,格式为 Bearer xxxxxxxx（注意中间必须有空格）",
                //        Name = "Authorization",
                //        In = ParameterLocation.Header,
                //        Type = SecuritySchemeType.ApiKey,
                //        BearerFormat = "JWT",
                //        Scheme = "Bearer"
                //    });
                //    //添加安全要求
                //    option.AddSecurityRequirement(new OpenApiSecurityRequirement
                //   {
                //       {
                //           new OpenApiSecurityScheme
                //           {
                //               Reference =new OpenApiReference()
                //               {
                //                   Type = ReferenceType.SecurityScheme,
                //                   Id ="Bearer"
                //               }
                //           },
                //           new string[]{ }
                //       }
                //   });
                //}
                //#endregion
            });
        }


        /// <summary>
        /// 使用Swagger中间件
        /// </summary>
        /// <param name="app"></param>
        public static void UseSwaggerExt(this WebApplication app, string docName)
        {
            app.UseSwagger();
            app.UseSwaggerUI(option =>
            {
                foreach (string version in typeof(ApiVersions).GetEnumNames())
                {
                    option.SwaggerEndpoint($"/swagger/{version}/swagger.json", string.IsNullOrWhiteSpace(docName) ? docName : $"软件标准化Api文档【{version}】版本");
                }
            });
        }
    }
}