using GB5Shared.DTO.Framework.Login;

namespace RecruitmentDAL.CustomeCode.Integration
{
    /// <summary>Small, module-owned MUSER read — resolves a UserId to its PRIMARYMAIL email
    /// address. Used by RecruitmentBLL.Integration.EcpIntegrationService.NotifyRequesterOnHireAsync
    /// to find the JobRequisition requester's email before sending a hire-notification
    /// correspondence. Not a generic user-service abstraction — each module that needs this reads
    /// MUSER directly (same pattern as CRMDAL/ECPDAL's own MUSER queries).</summary>
    public interface IUserLookupDAL
    {
        /// <summary>Returns MUSER.PRIMARYMAIL for the given UserId, or null if the user doesn't
        /// exist or has no email on file.</summary>
        Task<string?> GetUserEmail(int userId, LoginDTO loginDTO, CancellationToken ct);
    }
}