using System;
using Luticate2.Auth.Controllers;
using Luticate2.Auth.Dbo.Users;
using Luticate2.Auth.Interfaces.Users;
using Luticate2.Utils.Controllers;
using Luticate2.Utils.Dbo.Result;
using Luticate2.Utils.Utils;
using Microsoft.AspNetCore.Mvc.Filters;

namespace Luticate2.Auth.Middlewares
{
    public class LuLoggedUserMiddleware : IActionFilter
    {
        public const string TokenCookieName = "luticate2-token";

        private readonly ILuUsersBusiness _luUsersBusiness;

        public LuLoggedUserMiddleware(ILuUsersBusiness luUsersBusiness)
        {
            _luUsersBusiness = luUsersBusiness;
        }

        public void OnActionExecuting(ActionExecutingContext context)
        {
            var token = context.HttpContext.Request.Cookies[TokenCookieName];
            var userId = Guid.Empty.ToDbo();
            if (!string.IsNullOrWhiteSpace(token))
            {
                var tokenRes = _luUsersBusiness.GetToken(token);
                if (tokenRes.Status == LuStatus.NotFound)
                {
                    LuResult<object>.Error(LuStatus.LoginError, $"token: {token}", "Invalid session").Throw();
                }
                tokenRes.ThrowIfNotSuccess();
                var tokenValid = _luUsersBusiness.IsTokenValid(tokenRes.Data);
                if (!tokenValid)
                {
                    LuResult<object>.Error(LuStatus.LoginError, $"token: {token}", "Invalid session").Throw();
                }
                userId = tokenRes.Data.UserId;
            }

            var userRes = _luUsersBusiness.GetSingleById(userId).ThrowIfNotSuccess();

            context.HttpContext.SetLuLoggedUser(userRes.Data);
        }

        public void OnActionExecuted(ActionExecutedContext context)
        {
        }
    }
}