using FastEndpoints;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using PayRollBLL.GateEntry;
using PayRollDAL.DTO.GateEntry;
using System.Collections.Generic;
using static GB5Shared.GB5Constant.Constant;

namespace PayRollSL.EndPoints.GateEntry
{
    /// <summary>
    /// Accepts raw scanner / event-sheet data (supplier name, material code, batch no, PO no, etc.)
    /// and returns a fully-resolved TGATEENTRYDETAIL structure with all database IDs populated.
    ///
    /// The caller can submit one or more line items in a single request (single = list with one element).
    /// Per-row errors are returned inside each result's Errors array — the response HTTP status is
    /// always 200; inspect IsValid to decide whether the row can be passed to SaveGateEntry.
    ///
    /// Typical flow:
    ///   1. POST /GateEntry/ResolveGateEntryDetail  → get resolved detail rows
    ///   2. Review any Errors, fix inputs if needed
    ///   3. POST /GateEntry/SaveGateEntry with the resolved GateEntryDTO
    /// </summary>
    public class ResolveGateEntryDetail
        : BaseEndpoint<ResolveGateEntryDetail.ResolveGateEntryDetailParameters, ResponseStandardDTO<object>>
    {
        private readonly IGateEntryBLL _GateEntryBLL;

        public ResolveGateEntryDetail(IGateEntryBLL gateEntryBLL)
        {
            _GateEntryBLL = gateEntryBLL;
        }

        public override void Configure()
        {
            Post("/GateEntry/ResolveGateEntryDetail");
            AllowAnonymous();
        }

        public record ResolveGateEntryDetailParameters(
            [property: FromHeader] string Login,
            [property: FromBody]   List<GateEntryDetailRawInputDTO> Items
        );

        // Write endpoint — no cache
        //protected override string? GetCacheKey(
        //    ResolveGateEntryDetailParameters req, LoginDTO loginDTO) => null;

        protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(
            ResolveGateEntryDetailParameters req, LoginDTO loginDTO, CancellationToken ct)
        {
            try
            {
                var result = await _GateEntryBLL.ResolveGateEntryDetails(
                    req.Items, loginDTO);

                return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(
                    result, CacheKeyLevel.NOT_REQUIRED, loginDTO);
            }
            catch (Exception ex)
            {
                return await GB5Shared.ResponseStandard.Response.CreateExceptionError<string>(
                    ex, CacheKeyLevel.NOT_REQUIRED, loginDTO, ex.Message, 500);
            }
        }
    }
}