using GB5Shared.DTO.Framework.Login;
using System.Data.Common;

namespace MMBLL.StockLedgerCost;

public interface IStockLedgerCostBLL
{
    /// <summary>
    /// Called synchronously within the transaction that posts the stock ledger rows.
    /// Applies AverageCost to TSTOCKLEDGER and updates TSTOCKPOSITION.AverageValue/AverageCost.
    /// If the transaction date is before today and the item uses perpetual valuation,
    /// publishes a Dapr event to trigger background recosting.
    /// </summary>
    Task UpdateCostAsync(
        int objectTypeId, int objectId,
        bool isTransfer, int fromStoreId, int toStoreId,
        bool isStorewise,
        DateOnly transactionDate,
        LoginDTO login, DbTransaction tx, CancellationToken ct);

    /// <summary>
    /// Convenience overload called from document-save BLL (MMHeadBLL).
    /// Reads the OU-level storewise flag from MOULEVELSETTING automatically.
    /// Runs in its own implicit transaction (no open TX required from caller).
    /// Best-effort: exceptions are swallowed and logged; they do not fail the document save.
    /// </summary>
    Task UpdateCostForDocumentAsync(
        int objectTypeId, int objectId,
        bool isTransfer, int fromStoreId, int toStoreId,
        DateOnly transactionDate,
        LoginDTO login, CancellationToken ct);

    /// <summary>
    /// Reprocesses TSTOCKLEDGER PostedCost/PostedValue for a period range.
    /// Called by the Dapr subscriber for backdated entries and by the batch valuation job.
    /// Uses temp table batch — all steps run on one connection.
    /// </summary>
    Task RunPerpetualRerunAsync(
        int ouid, DateOnly fromDate, DateOnly toDate, int documentId,
        bool isStorewise,
        LoginDTO login, CancellationToken ct);
}