package logic

import (
	"context"
	"database/sql"
	"strconv"
	"strings"

	"muyu-apiserver/rpc/inventory/internal/svc"
	"muyu-apiserver/rpc/inventory/pb"

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

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

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

func (l *UpdateProductLogic) UpdateProduct(in *pb.UpdateProductReq) (*pb.Empty, error) {
	product, err := l.svcCtx.ProductModel.FindOneByProductId(l.ctx, in.ProductId)
	if err != nil {
		return nil, status.Error(codes.NotFound, "product not found")
	}

	salesPrice, _ := strconv.ParseFloat(in.SalesPrice, 64)

	productName := strings.TrimSpace(in.ProductName)
	if productName == "" {
		return nil, status.Error(codes.InvalidArgument, "产品名称不能为空")
	}

	product.ProductName = productName
	product.ImageUrl = in.ImageUrl
	product.Spec = in.Spec
	product.Color = normalizeProductColor(in.Color)
	if strings.TrimSpace(in.ColorNo) != "" {
		product.ColorNo = normalizeColorNo(in.ColorNo)
	}
	product.SalesPrice = salesPrice
	product.Remark = sql.NullString{String: in.Remark, Valid: in.Remark != ""}

	err = l.svcCtx.ProductModel.Update(l.ctx, product)
	if err != nil {
		return nil, status.Error(codes.Internal, err.Error())
	}

	return &pb.Empty{}, nil
}