package utils

import (
	"context"
	"fmt"

	"lone-services/pkg/rpcclient"
	"lone-services/pkg/utils"
	productpb "lone-services/rpc/product/pb"
)

// GetProductById 通过产品服务 InfoById 获取产品详情
func GetProductById(ctx context.Context, id int) (*productpb.Item, error) {
	svcName := utils.GetConfigString("services.product")
	if svcName == utils.StringEmpty {
		return nil, fmt.Errorf("config services.product empty")
	}
	cli, err := rpcclient.Get(svcName)
	if err != nil {
		return nil, err
	}
	item, err := productpb.NewProductClient(cli.Conn()).InfoById(ctx, &productpb.InfoByIdReq{
		Id: int64(id),
	})
	if err != nil {
		return nil, err
	}
	if item == nil || item.GetId() < 1 {
		return nil, fmt.Errorf("product not found: %d", id)
	}
	return item, nil
}