using AccountsDAL.DTO.AccountsReports;
using AccountsDAL.DTO.Reports;
using AccountsDAL.Query.AccountReports;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.QueryExecutor;

namespace AccountsDAL.CustomCode.AccountReports.AccountOutstanding
{
    public class AccountOutstandingSummaryDAL : IAccountOutstandingSummaryDAL
    {
        private readonly IQueryExecutor _queryExecutor;

        public AccountOutstandingSummaryDAL(IQueryExecutor queryExecutor)
        {
            _queryExecutor = queryExecutor;
        }

        public async Task<OutstandingSummaryReportResultDTO> GetOutstandingSummaryReport(
            int firstNumber, int maxResult, AccountReportCriteria criteria,
            List<AccountReportSortOptionDTO> sortBy, LoginDTO loginDTO)
        {
            var (sharedFilter, parameters) = AccountReportFilterBuilder.Build(criteria, loginDTO);
            var (outstandingFilter, outstandingParameters) = AccountReportFilterBuilder.BuildOutstandingOnly(criteria);
            parameters.AddDynamicParams(outstandingParameters);

            // See AccountOutstandingReportDAL's identical fix — Build() unconditionally adds
            // PeriodFromDate/PeriodToDate as DateTime params; Outstanding never sets them, leaving
            // DateTime.MinValue, which ADO.NET rejects as "SqlDateTime overflow" the moment the
            // parameter value is assigned, unrelated to whether the SQL text references it.
            parameters.Add("PeriodFromDate", criteria.AsOnDate);
            parameters.Add("PeriodToDate", criteria.AsOnDate);
            parameters.Add("AsOnDate", criteria.AsOnDate);
            parameters.Add("InfoRequired", criteria.IncludeInformational ? 0 : 1);
            parameters.Add("Offset", Math.Max(0, firstNumber - 1));
            parameters.Add("PageSize", maxResult);
            var isList = criteria.OutstandingReportMode == 0;
            var filter = sharedFilter + outstandingFilter;
            var (groupBySelect, groupByColumns) = AccountOutstandingGroupByBuilder.Build(criteria.GroupType, isList);
            var orderBy = AccountReportSortBuilder.BuildOutstandingSummaryOrderBy(sortBy, groupByColumns);

            var sql = AccountOutstandingReportsQB.GET_OUTSTANDING_SUMMARY
                .Replace("{GroupBySelect}", groupBySelect)
                .Replace("{GroupByColumns}", groupByColumns)
                .Replace("{DynamicFilter}", filter)
                .Replace("{OrderBy}", orderBy);

            var paged = await _queryExecutor
                .QueryPagedAsync<OutstandingSummaryReportDTO>(loginDTO, sql, parameters)
                .ConfigureAwait(false);

            var totalsSql = AccountOutstandingReportsQB.GET_OUTSTANDING_SUMMARY_TOTALS.Replace("{DynamicFilter}", filter);
            var totals = await _queryExecutor
                .QuerySingleAsync<OutstandingTotalsDTO>(loginDTO, totalsSql, parameters)
                .ConfigureAwait(false);

            return new OutstandingSummaryReportResultDTO
            {
                Items = paged.Items ?? Enumerable.Empty<OutstandingSummaryReportDTO>(),
                TotalCount = paged.TotalCount,
                TotalReceivable = totals?.TotalReceivable ?? 0,
                TotalPayable = totals?.TotalPayable ?? 0,
                TotalBalance = totals?.TotalBalance ?? 0
            };
        }
    }
}