using AccountsDAL.CustomCode.AccountReports.AccountProfitLoss;
using AccountsDAL.DTO.AccountsReports;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.Telemetry;

namespace AccountsBLL.AccountReports.AccountProfitLoss
{
    public class AccountProfitLossReportBLL : IAccountProfitLossReportBLL
    {
        private const int DEFAULT_MAX_RESULT_CAP = 500;

        private readonly IAccountProfitLossReportDAL _accountProfitLossReportDAL;
        private readonly IAccountReportAccessControlBLL _accessControlBLL;

        public AccountProfitLossReportBLL(
            IAccountProfitLossReportDAL accountProfitLossReportDAL,
            IAccountReportAccessControlBLL accessControlBLL)
        {
            _accountProfitLossReportDAL = accountProfitLossReportDAL;
            _accessControlBLL = accessControlBLL;
        }

        public async Task<ProfitLossResultDTO> GetProfitLossReport(
            int firstNumber, int maxResult, CriteriaDTO criteriaDTO,
            List<AccountReportSortOptionDTO> sortBy, int menuId, LoginDTO loginDTO)
        {
            try
            {
                GB5Trace.Step("parse-criteria-profit-loss", new { firstNumber, maxResult, menuId });
                var criteria = AccountReportCriteriaParser.Parse(criteriaDTO, loginDTO);

                var cappedMaxResult = Math.Min(maxResult, DEFAULT_MAX_RESULT_CAP);
                // Period-range-required, same family as Register/Ledger/Settlement — P&L is
                // inherently period-bound, never an AsOnDate snapshot.
                await _accessControlBLL.EnforceAsync(criteria, cappedMaxResult, menuId, loginDTO).ConfigureAwait(false);

                GB5Trace.Step("query-profit-loss", new { firstNumber, cappedMaxResult, criteria.GroupType });
                return await _accountProfitLossReportDAL
                    .GetProfitLossReport(firstNumber, cappedMaxResult, criteria, sortBy, loginDTO)
                    .ConfigureAwait(false);
            }
            catch (Exception ex)
            {
                GB5Trace.MarkFailed("account-profit-loss-failed", ex);
                throw;
            }
        }
    }
}