using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using RecruitmentDAL.DTO.ManpowerBudget;
using System;
using System.Collections.Generic;
using System.Data.Common;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace RecruitmentDAL.CustomeCode.ManpowerBudget
{
    public interface IManpowerBudgetDAL
    {
        Task<string> GetManpowerBudget(int ManpowerBudgetId, LoginDTO LoginDTO, CancellationToken ct);
        Task<string> GetSelectListManpowerBudget(CriteriaDTO CriteriaDTO, LoginDTO LoginDTO, CancellationToken ct);

        // Resolution lookup for JobRequisitionBLL.ApproveJobRequisition's budget-gate check — see
        // ManpowerBudgetQB.GET_ACTIVE_MANPOWERBUDGET_FOR_DEPARTMENT_PERIOD.
        Task<string> GetActiveManpowerBudgetForDepartmentPeriod(int DepartmentId, short FiscalYear, byte FiscalQuarter, LoginDTO LoginDTO, CancellationToken ct);

        // Transactional write overloads — called from BaseEntityAppService.ExecuteSaveAsync's
        // persistFunc so the save participates in the single pipeline transaction.
        Task<int> SaveManpowerBudget(ManpowerBudgetDTO ManpowerBudgetDTO, LoginDTO LoginDTO, DbTransaction tx, CancellationToken ct);
        Task<int> UpdateManpowerBudget(ManpowerBudgetDTO ManpowerBudgetDTO, LoginDTO LoginDTO, DbTransaction tx, CancellationToken ct);
        Task<string> DeleteManpowerBudget(int ManpowerBudgetId, LoginDTO LoginDTO, CancellationToken ct);

        // Standalone, non-transactional follow-up update fired from
        // JobRequisitionBLL.ApproveJobRequisition — see ManpowerBudgetQB.INCREMENT_MANPOWERBUDGET_CONSUMED
        // doc comment for why this is not folded into JobRequisition's own ExecuteSaveAsync transaction.
        Task IncrementManpowerBudgetConsumed(int ManpowerBudgetId, short HeadcountDelta, decimal BudgetAmountDelta, LoginDTO LoginDTO, CancellationToken ct);
    }
}