using AccountsBLL.AccountReports.AccountFundFlow;
using AccountsDAL.DTO.AccountsReports;
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
{
    // Faithful port of legacy's real GetFundFlowReport (indirect, BS-movement-derived method) —
    // wired under the EXISTING legacy "Fund Flow" REPORTID (-1399941985), new MREPORTVIEW rows for
    // the 3 GroupType levels. Returns a flat FlowType-tagged list (Source/Application), not legacy's
    // row-paired print-layout shape — see FundFlowReportQB.cs class header.
    public class AccountFundFlowReport : BaseReportEndpoint<AccountFundFlowReport.AccountFundFlowReportParameter, FundFlowReportDTO>
    {
        private readonly IAccountFundFlowReportBLL _bll;

        public AccountFundFlowReport(IAccountFundFlowReportBLL bll)
        {
            _bll = bll;
        }

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

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

        protected override async IAsyncEnumerable<FundFlowReportDTO> ExecuteReportAsync(
            AccountFundFlowReportParameter req, LoginDTO login,
            [System.Runtime.CompilerServices.EnumeratorCancellation] CancellationToken ct)
        {
            var result = await _bll.GetFundFlowReport(
                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(
            AccountFundFlowReportParameter req, LoginDTO login, CancellationToken ct)
        {
            try
            {
                var result = await _bll.GetFundFlowReport(
                    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);
            }
        }
    }
}