using System.Threading;
using System.Threading.Tasks;
using GB5Shared.DTO.Framework.Login;

namespace WiDAL.CustomCode.Promotion
{
    /// <summary>Resolves MDEPARTMENT.DepartmentId &lt;-&gt; DepartmentCode — a small, dedicated
    /// lookup queried directly against the shared table, same convention as every other
    /// Promotion code-lookup DAL (never routed through Admin's own BLL/DAL — that module lives in
    /// a separate Host process entirely).</summary>
    public interface IDepartmentCodeLookupDAL
    {
        Task<string?> GetDepartmentCodeById(int departmentId, LoginDTO login, CancellationToken ct);
        Task<int?> GetDepartmentIdByCode(string departmentCode, LoginDTO login, CancellationToken ct);
    }
}