using GB5Shared.DTO.Framework.Login;
using RecruitmentDAL.DTO.Referral;
using System.Data.Common;
using System.Threading;
using System.Threading.Tasks;

namespace RecruitmentDAL.CustomeCode.Referral
{
    public interface IReferralDAL
    {
        Task<string> GetReferral(int ReferralId, LoginDTO LoginDTO, CancellationToken ct);
        Task<string> GetSelectListReferral(int ReferringEmployeeId, LoginDTO LoginDTO, CancellationToken ct);

        // Cross-check helper for ReferralBLL.MarkEligibleOnHireAsync (the ApplicationBLL "genuine
        // Hired" hook) — see ReferralQB.GET_LATEST_PENDING_REFERRAL_BY_CANDIDATE.
        Task<ReferralDTO?> GetLatestPendingReferralByCandidate(int CandidateId, LoginDTO LoginDTO, CancellationToken ct);

        // Transactional write overloads — called from BaseEntityAppService.ExecuteSaveAsync's
        // persistFunc so the save participates in the single pipeline transaction.
        Task<int> SaveReferral(ReferralDTO ReferralDTO, LoginDTO LoginDTO, DbTransaction tx, CancellationToken ct);
        Task<int> UpdateReferral(ReferralDTO ReferralDTO, LoginDTO LoginDTO, DbTransaction tx, CancellationToken ct);
        Task<string> DeleteReferral(int ReferralId, LoginDTO LoginDTO, CancellationToken ct);
    }
}