using FastEndpoints;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using QMSBLL.Matrix;
using static GB5Shared.GB5Constant.Constant;

namespace QMSSL.EndPoints.Matrix;

public class GetSelectableSerials
    : BaseEndpoint<GetSelectableSerials.Params, ResponseStandardDTO<object>>
{
    private readonly IMatrixBLL _bll;
    public GetSelectableSerials(IMatrixBLL bll) => _bll = bll;

    public override void Configure()
    {
        Post("/Matrix/GetSelectableSerials");
        AllowAnonymous();
        Description(x => x
            .WithTags("Matrix")
            .WithSummary("Get Selectable Serials")
            .WithDescription("Backs the \"Select Serial\" button on one FG item row. Caller sends a " +
                "CriteriaDTO with an ItemId field (required — which FG item's pool to fetch) and an " +
                "optional SerialNumber field (partial/contains text search over the picklist's LotNumbers, " +
                "e.g. searching \"0006\" narrows to matching entries). Returns ONE ready-to-render picklist " +
                "combining every previously-skipped/available number (Source=\"Available\", e.g. leftover " +
                "1 and 5 from an earlier 1-2-3-4-5 run where 2,3,4 were used) with the fresh never-issued " +
                "range (Source=\"Fresh\") — sorted, labeled, with the exact RequiredQty the user must " +
                "select. Pass the picked RunningNumbers back in SaveSetSerialGenration's SelectedSerials " +
                "to persist the choice."));
    }

    public record Params(
        [property: FromHeader] string Login,
        [property: FromBody] CriteriaDTO CriteriaDTO);

    protected override string? GetCacheKey(Params req, LoginDTO login) => null;

    protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(
        Params req, LoginDTO login, CancellationToken ct)
    {
        try
        {
            var result = await _bll.GetSelectableSerialsAsync(req.CriteriaDTO, login, ct);

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