using FastEndpoints;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using MMBLL.VendorComparison;
using static GB5Shared.GB5Constant.Constant;

namespace MMSL.EndPoints.VendorComparison
{
    // Ported from GB4 MMHead.svc "/Get/Vendor/Comparison/?Type={Type}&FirstNumber={FirstNumber}&MaxResult={MaxResult}"
    // (IMMHead.GetVendorComparison / MMHeadBLL.GetVendorComparison). Type: 0 = Summary, 1 = Detail.
    public class GetVendorComparison : BaseEndpoint<GetVendorComparison.GetVendorComparisonParameters, ResponseStandardDTO<object>>
    {
        private readonly IVendorComparisonBLL _VendorComparisonBLL;

        public GetVendorComparison(IVendorComparisonBLL VendorComparisonBLL)
        {
            _VendorComparisonBLL = VendorComparisonBLL;
        }

        public override void Configure()
        {
            Post("/VendorComparison/GetVendorComparison");
            AllowAnonymous();
        }

        public record GetVendorComparisonParameters(
            [property: FromHeader] string Login,
            [property: FromBody] CriteriaDTO CriteriaDTO,
            [property: QueryParam] int Type,
            [property: QueryParam] int FirstNumber,
            [property: QueryParam] int MaxResult,
            // Summary (Type=0) only — selects which value populates V1-V4/BestFit:
            // 0=Rate (default), 1=Cost, 2=Delivery, 3=Quality, 4=Overall. 5=Grade unsupported.
            // Defaults to 0 so existing callers that don't send it yet keep working unchanged.
            [property: QueryParam] int MetricType = 0
        );

        protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(GetVendorComparisonParameters req, LoginDTO LoginDTO, CancellationToken ct)
        {
            try
            {
                var Result = await _VendorComparisonBLL.GetVendorComparison(req.Type, req.MetricType, req.FirstNumber, req.MaxResult, req.CriteriaDTO, LoginDTO!, ct);
                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);
            }
        }
    }
}