using FastEndpoints;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.DTO.Report;
using GB5Shared.FastEndPoint;
using MMBLL.MMReports;
using MMDAL.DTO.MMReports;
using static GB5Shared.GB5Constant.Constant;

namespace MMSL.EndPoints.MMReports
{
    // Route matches the legacy GB4 MMReports.svc/MMPendingStatusReport endpoint exactly —
    // MWEBSERVICE -1399991846 is repointed at this route (see the MM migration script).
    public class GetMMPendingStatusReport : BaseReportEndpoint<GetMMPendingStatusReport.GetMMPendingStatusReportParameter, MMPendingStatusReportDTO>
    {
        private readonly IMMReportsBLL _bll;

        public GetMMPendingStatusReport(IMMReportsBLL bll)
        {
            _bll = bll;
        }

        public override void Configure()
        {
            Post("/MMReports/GetMMPendingStatusReport");
            AllowAnonymous();
        }

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

        protected override async IAsyncEnumerable<MMPendingStatusReportDTO> ExecuteReportAsync(
            GetMMPendingStatusReportParameter req, LoginDTO login,
            [System.Runtime.CompilerServices.EnumeratorCancellation] CancellationToken ct)
        {
            var (items, _) = await _bll.GetMMPendingStatusReport(
                1, int.MaxValue, req.BizTransactionClassId, req.ReportCallingDTO.CriteriaDTO, login, ct).ConfigureAwait(false);
            foreach (var row in items)
            {
                ct.ThrowIfCancellationRequested();
                yield return row;
            }
        }

        protected override async Task<ResponseStandardDTO<object>> ExecutePagedAsync(
            GetMMPendingStatusReportParameter req, LoginDTO login, CancellationToken ct)
        {
            try
            {
                var (items, total) = await _bll.GetMMPendingStatusReport(
                    req.FirstNumber, req.MaxResult, req.BizTransactionClassId, req.ReportCallingDTO.CriteriaDTO, login, ct).ConfigureAwait(false);
                var response = await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(
                    items, CacheKeyLevel.NOT_REQUIRED, login).ConfigureAwait(false);
                response.Total = total;
                return response;
            }
            catch (Exception ex)
            {
                return await GB5Shared.ResponseStandard.Response.CreateExceptionError<string>(
                    ex, CacheKeyLevel.NOT_REQUIRED, login, ex.Message, 500).ConfigureAwait(false);
            }
        }
    }
}