using Yi.Framework.Model;
using Microsoft.AspNetCore.Authentication;
using Microsoft.AspNetCore.Http;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Claims;
using System.Text;
using System.Threading.Tasks;
using Yi.Framework.Model.Models;

namespace Yi.Framework.WebCore
{
    public static class CommonExtend
    {
        /// <summary>
        /// 判断是否为异步请求
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        public static bool IsAjaxRequest(this HttpRequest request)
        {
            string header = request.Headers["X-Requested-With"];
            return "XMLHttpRequest".Equals(header);
        }

        /// <summary>
        /// 基于HttpContext,当前鉴权方式解析，获取用户信息
        /// 现在使用redis作为缓存，不需要将菜单存放至jwt中了
        /// </summary>
        /// <param name="httpContext"></param>
        /// <returns></returns>
        public static user GetCurrentUserInfo(this HttpContext httpContext, out List<int> menuIds)
        {
            IEnumerable<Claim> claimlist = httpContext.AuthenticateAsync().Result.Principal.Claims;

            Int32.TryParse(claimlist.FirstOrDefault(u => u.Type == ClaimTypes.Sid).Value, out int resId);


            menuIds = claimlist.Where(u => u.Type == "menuIds").ToList().Select(u => Convert.ToInt32(u.Value)).ToList();


            return new user()
            {
                id = resId,
                username = claimlist.FirstOrDefault(u => u.Type == ClaimTypes.Name).Value ?? "匿名"
            };
        }
        public static user GetCurrentUserInfo(this HttpContext httpContext)
        {
            IEnumerable<Claim> claimlist = httpContext.AuthenticateAsync().Result.Principal.Claims;

            Int32.TryParse(claimlist.FirstOrDefault(u => u.Type == ClaimTypes.Sid).Value, out int resId);

            return new user()
            {
                id = resId,
                username = claimlist.FirstOrDefault(u => u.Type == ClaimTypes.Name).Value ?? "匿名"
            };
        }
    }
}
