using Microsoft.AspNetCore.Mvc.ApiExplorer;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace System.Web.Http.Description
{
  /// <summary>
  /// API描述器扩展
  /// </summary>
  public static class ApiDescriptionExtension
  {
    /// <summary>
    /// 获取区域名称
    /// </summary>
    /// <param name="description"></param>
    /// <returns></returns>
    public static List<string> GetAreaName(this ApiDescription description)
    {
      string areaName = description.ActionDescriptor.RouteValues["area"];
      string controlName = description.ActionDescriptor.RouteValues["controller"];
      List<string> areaList = new List<string>();
      areaList.Add(controlName);
      if (!string.IsNullOrEmpty(areaName))
      {
        description.RelativePath = $"{areaName}/{controlName}/{description.RelativePath}";
      } 
      return areaList;
    }
  }
}

services.AddSwaggerGen(c =>
      {
        c.SwaggerDoc("v1", new Swashbuckle.AspNetCore.Swagger.Info
        {
          Version = "v1.0.0",
          Title = " API",
          Description = description,
          TermsOfService = "你的公司",
          Contact = new Swashbuckle.AspNetCore.Swagger.Contact { Name = "Blog.Core", Email = "Blog.Core@xxx.com", Url = "https://www.jianshu.com/u/94102b59cc2a" }
          
        });
        //使用域描述
        c.TagActionsBy(apiDesc => apiDesc.GetAreaName());

        var basePath = PlatformServices.Default.Application.ApplicationBasePath;
        var xmlPath = Path.Combine(basePath, xmlName);//这个就是刚刚配置的xml文件名
        c.IncludeXmlComments(xmlPath, true);//默认的第二个参数是false，这个是controller的注释，记得修改
      });