using GB5Shared.DTO.Framework.Login;

namespace AccountsBLL.Warehouse
{
    public interface IWarehouseFactPostingBLL
    {
        // Posts the given fact table (any FACTID sharing FFINANCE's family — OU+Day grain,
        // TVOUCHER/MACCOUNT/MACCOUNTGROUP source, nature-bucket aggregation) for [dateFrom, dateTo]
        // across ouIds (defaults to every active OU when null/empty). Returns per-OU success/
        // failure so a caller (e.g. the JobEngine webhook endpoint) can report partial failure
        // without losing the OUs that succeeded.
        Task<WarehouseFactPostingResultDTO> PostFactAsync(
            int factId, DateTime dateFrom, DateTime dateTo, List<int>? ouIds, LoginDTO loginDTO, CancellationToken ct);

        // Posts ALL registered fact tables (any POSTINGMODE) for [dateFrom, dateTo], across all
        // active OUs. Intended for the nightly batch run. Facts execute sequentially to avoid
        // flooding the DB; OUs within each fact run concurrently (same as PostFactAsync).
        // Returns one entry per FactId so partial failure is visible per fact.
        Task<Dictionary<int, WarehouseFactPostingResultDTO>> PostAllFactsAsync(
            DateTime dateFrom, DateTime dateTo, LoginDTO loginDTO, CancellationToken ct);
    }

    public class WarehouseFactPostingResultDTO
    {
        public List<int> SucceededOuIds { get; set; } = new();
        public Dictionary<int, string> FailedOuIds { get; set; } = new(); // OUID -> error message
    }
}