using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Options;
using System.Linq;
using System.Threading.Tasks;
using CarParkValidationAPI.Models;
using CarParkValidationAPI.Interface;


namespace CarParkValidationAPI.Authorization
{
    public class JwtMiddleware(RequestDelegate next, IOptions<AppSettings> appSettings)
    {
        private readonly AppSettings _appSettings = appSettings.Value;

        public async Task Invoke(HttpContext context, IUserService userService, IJwtUtils jwtUtils)
        {
            
            string? token = context.Request.Headers.Authorization.FirstOrDefault()?.Split(" ").Last();
            if (null == token) 
                context.Request.Cookies.TryGetValue("token", out  token);
                
            var user = jwtUtils.ValidateJwtToken(token);
            if (user != null)
            {
                // attach user to context on successful jwt validation
                //here to put in the real user 
                //TODO if you want to add information for User
                context.Items["User"] = user;
            }

            await next(context);
        }
    }
}