using AccountsBLL.AccountReports.AccountTrialBalance;
using AccountsDAL.DTO.Reports;
using FastEndpoints;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.DTO.Report;
using GB5Shared.FastEndPoint;
using static GB5Shared.GB5Constant.Constant;

namespace AccountsSL.EndPoints.AccountReports
{
    // Periodic Trial Balance — Account level, Summary shape, one (account, period-bucket) row per
    // combination (flat, not a pre-pivoted grid — see TrialBalanceReportQB.cs's
    // GET_TRIAL_BALANCE_PERIODIC comment). CriteriaDTO's PeriodFromDate/PeriodToDate bound the
    // overall range to break down (defaults to current-financial-year-to-date if unset); PeriodType
    // selects the bucket size via MGBPERIOD.PERIODTYPE.
    public class AccountTrialBalancePeriodicReport : BaseReportEndpoint<AccountTrialBalancePeriodicReport.AccountTrialBalancePeriodicReportParameter, TrialBalancePeriodicReportDTO>
    {
        private readonly IAccountTrialBalanceReportBLL _bll;

        public AccountTrialBalancePeriodicReport(IAccountTrialBalanceReportBLL bll)
        {
            _bll = bll;
        }

        public override void Configure()
        {
            Post("/AccountReports/AccountTrialBalancePeriodicReport");
            AllowAnonymous();
        }

        public record AccountTrialBalancePeriodicReportParameter(
            [property: FromHeader] string Login,
            [property: FromBody] ReportCallingDTO ReportCallingDTO,
            [property: QueryParam] int FirstNumber,
            [property: QueryParam] int MaxResult
        );

        protected override async IAsyncEnumerable<TrialBalancePeriodicReportDTO> ExecuteReportAsync(
            AccountTrialBalancePeriodicReportParameter req, LoginDTO login,
            [System.Runtime.CompilerServices.EnumeratorCancellation] CancellationToken ct)
        {
            var result = await _bll.GetTrialBalancePeriodicReport(
                1, int.MaxValue, req.ReportCallingDTO.CriteriaDTO,
                sortBy: null, req.ReportCallingDTO.MenuId, login).ConfigureAwait(false);
            foreach (var row in result.Items)
            {
                ct.ThrowIfCancellationRequested();
                yield return row;
            }
        }

        protected override async Task<ResponseStandardDTO<object>> ExecutePagedAsync(
            AccountTrialBalancePeriodicReportParameter req, LoginDTO login, CancellationToken ct)
        {
            try
            {
                var result = await _bll.GetTrialBalancePeriodicReport(
                    req.FirstNumber, req.MaxResult, req.ReportCallingDTO.CriteriaDTO,
                    sortBy: null, req.ReportCallingDTO.MenuId, login).ConfigureAwait(false);
                return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(
                    result, CacheKeyLevel.NOT_REQUIRED, login).ConfigureAwait(false);
            }
            catch (Exception ex)
            {
                return await GB5Shared.ResponseStandard.Response.CreateExceptionError<string>(
                    ex, CacheKeyLevel.NOT_REQUIRED, login, ex.Message, 500).ConfigureAwait(false);
            }
        }
    }
}