package logic

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

	"muyu-apiserver/model"
	"muyu-apiserver/pkg/uid"
	"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 CreateProductLogic struct {
	ctx    context.Context
	svcCtx *svc.ServiceContext
	logx.Logger
}

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

func (l *CreateProductLogic) CreateProduct(in *pb.CreateProductReq) (*pb.IdResp, error) {
	productId := uid.Generate()

	stockQuantity, _ := strconv.ParseFloat(in.StockQuantity, 64)
	costPrice, _ := strconv.ParseFloat(in.CostPrice, 64)
	salesPrice, _ := strconv.ParseFloat(in.SalesPrice, 64)

	product := &model.InvProduct{
		ProductId:     productId,
		ProductName:   in.ProductName,
		ImageUrl:      in.ImageUrl,
		Spec:          in.Spec,
		Color:         in.Color,
		UnitPieces:    in.UnitPieces,
		UnitRolls:     in.UnitRolls,
		StockQuantity: stockQuantity,
		Location:      in.Location,
		CostPrice:     costPrice,
		SalesPrice:    salesPrice,
		Remark:        sql.NullString{String: in.Remark, Valid: in.Remark != ""},
		Status:        1,
	}

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

	return &pb.IdResp{Id: productId}, nil
}