using System.Linq;
using System.Security.Claims;
using Microsoft.AspNetCore.Mvc;

namespace SharpAbp.Infrastructure.Api.Controllers
{
    [ApiController]
    public abstract class BaseController : Controller
    {
        public LoginUser loginUser
        {
            get
            {
                return GetLoginUser();
            }
        }

        protected virtual LoginUser GetLoginUser()
        {
            var claims = User?.Claims?.ToList();
            if (claims == null || claims.Count == 0)
            {
                return null;
            }

            var userId = claims.FirstOrDefault(c => c.Type == ClaimTypes.NameIdentifier)?.Value;
            var userName = claims.FirstOrDefault(c => c.Type == ClaimTypes.Name)?.Value;
            var role = claims.FirstOrDefault(c => c.Type == ClaimTypes.Role)?.Value;

            return new LoginUser
            {
                userId = userId,
                userName = userName,
                role = role
            };
        }

        protected virtual string GetClientIp()
        {
            var ip = HttpContext.Request.Headers["X-Forwarded-For"].FirstOrDefault();
            if (string.IsNullOrEmpty(ip))
            {
                ip = HttpContext.Connection.RemoteIpAddress?.ToString();
            }
            return ip ?? "unknown";
        }
    }

    public class LoginUser
    {
        public string userId { get; set; }

        public string userName { get; set; }

        public string role { get; set; }
    }
}