package product

import (
	"context"

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

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

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

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

func (l *GetProductTreeLogic) GetProductTree() (resp *types.ProductTreeResp, err error) {
	id := ctxdata.GetPathId(l.ctx)
	rpcResp, err := l.svcCtx.InventoryRpc.GetProductTree(l.ctx, &pb.GetProductReq{
		ProductId: id,
	})
	if err != nil {
		return nil, err
	}
	pans := make([]types.PanInfo, 0, len(rpcResp.Pans))
	for _, p := range rpcResp.Pans {
		pans = append(pans, panInfoFromPB(p))
	}
	return &types.ProductTreeResp{
		Product:        productInfoFromPB(rpcResp.Product),
		Pans:           pans,
		TotalPanCount:  rpcResp.TotalPanCount,
		TotalBoltCount: rpcResp.TotalBoltCount,
		TotalLengthM:   rpcResp.TotalLengthM,
	}, nil
}