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

namespace AccountsBLL.AccountReports.RatioAnalysis
{
    public class RatioAnalysisReportBLL : IRatioAnalysisReportBLL
    {
        private readonly IRatioAnalysisReportDAL _dal;

        public RatioAnalysisReportBLL(IRatioAnalysisReportDAL dal)
        {
            _dal = dal;
        }

        // Deliberately does not call AccountReportAccessControlBLL.EnforceAsync/
        // EnforceForAsOnDateAsync — those are built around the TVOUCHER-report family's
        // DynamicFilter/OU-access-rights-join assumptions, which don't apply to a report sourced
        // from the already-posted FFINANCE fact table. OU access is instead enforced directly in
        // RatioAnalysisReportDAL (accessible-OU intersection, throws on an out-of-scope request).
        public async Task<List<RatioAnalysisDashBoardDTO>> GetRatioAnalysisDashboard(
            DateTime fromDate, DateTime toDate, List<int>? ouIds, int ouGroupId, LoginDTO loginDTO, CancellationToken ct)
        {
            if (fromDate == default || toDate == default)
                throw new InvalidOperationException("A from date and to date are required for this report.");
            if (fromDate > toDate)
                throw new InvalidOperationException("A from date and to date are required for this report, and from date must not be after to date.");

            GB5Trace.Step("ratio-analysis-dashboard", new { fromDate, toDate, ouIds, ouGroupId });
            return await _dal.GetRatioAnalysisDashboard(fromDate, toDate, ouIds, ouGroupId, loginDTO, ct).ConfigureAwait(false);
        }
    }
}