using System.Security.Claims;
using Workflow.Domain.Common;

namespace Workflow.Api.Services;

public class CurrentUserContext : ICurrentUserContext
{
    private readonly IHttpContextAccessor _httpContextAccessor;

    public CurrentUserContext(IHttpContextAccessor httpContextAccessor)
    {
        _httpContextAccessor = httpContextAccessor;
    }

    public Guid GetUserId()
    {
        var httpContext = _httpContextAccessor.HttpContext;
        if (httpContext?.User?.Identity?.IsAuthenticated == true)
        {
            var userIdClaim = httpContext.User.FindFirstValue(ClaimTypes.NameIdentifier)
                ?? httpContext.User.FindFirstValue("user_id")
                ?? "system";

            return Guid.TryParse(userIdClaim, out var userId) ? userId : Guid.Empty;
        }
        return Guid.Empty;
    }

    public string? GetIPAddress()
    {
        var httpContext = _httpContextAccessor.HttpContext;
        return httpContext?.Connection?.RemoteIpAddress?.ToString();
    }
}