using Google.Apis.Discovery;
using Microsoft.AspNetCore.Mvc.Controllers;
using Microsoft.OpenApi.Models;
using Swashbuckle.AspNetCore.Swagger;
using Swashbuckle.AspNetCore.SwaggerGen;
using System.Collections.Generic;
using System.Linq;

namespace LongHuParkApi.Common
{
    /// <summary>
    /// swagger过滤操作
    /// </summary>
    public class SiteIdHeaderParameter : IOperationFilter
    {
        /// <summary>
        /// 使用
        /// </summary>
        /// <param name="operation"></param>
        /// <param name="context"></param>
        public void Apply(OpenApiOperation operation, OperationFilterContext context)
        {
            if (operation.Parameters == null)
            {
                operation.Parameters = new List<OpenApiParameter>();
            }
            //判断是否存在AllowAnonymousAttribute属性
            var count = context.MethodInfo.CustomAttributes.Where(c=>c.AttributeType.Name == "AllowAnonymousAttribute").Count();
            if (count == 0)
            {
                //不存在属性，则需要token验证
                operation.Parameters.Add(new OpenApiParameter
                {
                    Name = "token",
                    In = ParameterLocation.Header,
                    Required = false
                });
            }
        }
    }
}