using System.IdentityModel.Tokens.Jwt;
using DS.Module.Core;
using DS.Module.Core.Extensions;
using Microsoft.AspNetCore.Http;
using Newtonsoft.Json;

namespace DS.Module.UserModule;

public static class UserExtensions
{
    public static UserInfo GetUserInfo(this HttpRequest request)
    {
        if (request.HttpContext.User.Claims is null)
        {
            return null;
        }

        var json = request.HttpContext.User.Claims;
        //获取上传token，可自定义扩展
        var token = request.HttpContext.Request.Headers["Authorization"].FirstOrDefault()?.Split(" ").Last()
                    ?? request.HttpContext.Request.Headers["X-Token"].FirstOrDefault()
                    ?? request.HttpContext.Request.Query["Token"].FirstOrDefault()
                    ?? request.HttpContext.Request.Cookies["Token"];
        // token校验
        var jwtHandler = new JwtSecurityTokenHandler();
        var userInfo = new UserInfo();
        if (token.IsNullOrEmpty() && jwtHandler.CanReadToken(token))
        {
            JwtSecurityToken jwtToken = jwtHandler.ReadJwtToken(token);

            userInfo = JsonConvert.DeserializeObject<UserInfo>(jwtToken.Claims.First().Value) ;
            
        } 
        return userInfo;
    }
}