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

    public override void Configure()
    {
        Post("/Matrix/GetGeneratedSets");
        AllowAnonymous();
        Description(x => x
            .WithTags("Matrix")
            .WithSummary("Get Generated Sets")
            .WithDescription("Backs the old Matrix Planner's SetFrom/SetTo picklist. Caller sends a " +
                "CriteriaDTO with an \"AllotedAllocationId\" field. Returns exactly which set numbers " +
                "have actually been generated via SaveSetSerialGenration for this allocation (e.g. " +
                "[1,2,3,4,5] if 5 sets were created), plus SetFrom/SetTo bounds (never 0 — the real " +
                "minimum generated set, normally 1) — fully dynamic, parsed from real SET-level TLOT " +
                "rows, no set count or range hardcoded. Use these bounds to restrict SetFrom/SetTo to " +
                "real sets instead of an arbitrary typed range before calling ExplodeBOM or SaveMatrix."));
    }

    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.GetGeneratedSetsAsync(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);
        }
    }
}