package product

import (
	"context"

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

	"github.com/zeromicro/go-zero/core/logx"
)

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

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

func (l *CreateProductLogic) CreateProduct(req *types.CreateProductReq) (resp *types.IdResp, err error) {
	rpcResp, err := l.svcCtx.InventoryRpc.CreateProduct(l.ctx, &pb.CreateProductReq{
		ProductName:  req.ProductName,
		ImageUrl:     req.ImageUrl,
		Spec:         req.Spec,
		Color:        req.Color,
		ColorNo:      req.ColorNo,
		ProductCode:  req.ProductCode,
		SalesPrice:   req.SalesPrice,
		Remark:       req.Remark,
		Pans:         panInputsToPb(req.Pans),
		InitialBatch: productBatchInputToPb(req.InitialBatch),
	})
	if err != nil {
		return nil, err
	}

	return &types.IdResp{Id: rpcResp.Id}, nil
}

func panInputsToPb(pans []types.PanInput) []*pb.PanInput {
	if len(pans) == 0 {
		return nil
	}
	out := make([]*pb.PanInput, 0, len(pans))
	for _, p := range pans {
		out = append(out, &pb.PanInput{
			Name:        p.Name,
			Position:    p.Position,
			BoltLengths: p.BoltLengths,
			BatchId:     p.BatchId,
		})
	}
	return out
}

func productBatchInputToPb(input types.ProductBatchInput) *pb.ProductBatchInput {
	if input == (types.ProductBatchInput{}) {
		return nil
	}
	return &pb.ProductBatchInput{
		BatchNo:           input.BatchNo,
		YarnRatio:         input.YarnRatio,
		WarpWeightGM:      input.WarpWeightGM,
		WeftWeightGM:      input.WeftWeightGM,
		ProductionProcess: input.ProductionProcess,
		Remark:            input.Remark,
	}
}