package logic

import (
	"context"
	"strconv"

	"lone-services/pkg/modelbase"
	"lone-services/pkg/utils"
	"lone-services/pkg/validate"
	product "lone-services/rpc/product/pb"
	"lone-services/services/product/internal/dao"
	"lone-services/services/product/internal/model"
	"lone-services/services/product/internal/svc"
	"lone-services/services/product/validator"

	"github.com/zeromicro/go-zero/core/logx"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/status"
)

type InfoByIdLogic struct {
	ctx    context.Context
	svcCtx *svc.ServiceContext
	logx.Logger
}

func NewInfoByIdLogic(ctx context.Context, svcCtx *svc.ServiceContext) *InfoByIdLogic {
	return &InfoByIdLogic{
		ctx:    ctx,
		svcCtx: svcCtx,
		Logger: logx.WithContext(ctx),
	}
}

func (l *InfoByIdLogic) InfoById(in *product.InfoByIdReq) (*product.Item, error) {
	var req validator.ProductInfoValidator
	if msg := validate.ValidateFromProto(in, &req); msg != utils.StringEmpty {
		return nil, status.Error(codes.InvalidArgument, msg)
	}

	var info dao.Info
	err := model.ProductModel{}.Init().GetOne(modelbase.Params{
		Eq: map[string]string{"id": strconv.FormatInt(req.Id, 10)},
	}, &info)
	if err != nil {
		l.Errorf("product InfoById: %v", err)
		return nil, status.Error(codes.Internal, utils.Fail.Msg)
	}
	if info.Id < 1 {
		return nil, status.Error(codes.NotFound, utils.ErrorNotFund.Msg)
	}

	return toProductItem(info), nil
}