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

namespace MaintenanceDAL.CustomCode.Claim
{
    public class PeriodWindowDTO
    {
        public DateTime FromDate { get; set; }
        public DateTime ToDate { get; set; }
        public byte Status { get; set; }
    }

    public interface IClaimDAL
    {
        Task<string> GetClaim(int ClaimId, LoginDTO LoginDTO);

        Task<string> GetSelectListClaim(CriteriaDTO CriteriaDTO, LoginDTO LoginDTO);
        Task<int> SaveClaim(ClaimDTO claimDTO, LoginDTO loginDTO, DbTransaction DbTransaction, CancellationToken ct);
        Task<int> UpdateClaim(ClaimDTO claimDTO, LoginDTO loginDTO, DbTransaction DbTransaction, CancellationToken ct);
        Task<string> DeleteClaim(int claimId, LoginDTO loginDTO, DbTransaction DbTransaction, CancellationToken ct);

        /// <summary>True once the claim has been posted to a pay period (POSTEDPAYPERIODID &lt;&gt; -1) — cannot be edited/deleted past this point.</summary>
        Task<bool> IsClaimAlreadyProcessed(int claimId, LoginDTO loginDTO, CancellationToken ct);

        Task<PeriodWindowDTO?> GetPeriodWindow(int periodId, LoginDTO loginDTO, CancellationToken ct);

        /// <summary>Resolves the BizTransactionType configured for a given class/period/OU — used to auto-create the linked Travel/Expense Request claim.</summary>
        Task<int?> GetBizTransactionTypeForClass(int bizTransactionClassId, int periodId, int ouId, LoginDTO loginDTO, CancellationToken ct);

        /// <summary>Persists the VoucherId + settled status after Accounts posts the claim's settlement voucher.</summary>
        Task UpdateClaimVoucherPosting(int claimId, int voucherId, byte claimStatus, LoginDTO loginDTO, DbTransaction dbTransaction, CancellationToken ct);
    }
}