/*
Copyright 2025 The Kubernetes Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package utils

import "google.golang.org/protobuf/types/known/timestamppb"

// CSITimestampToKubernetes converts a CSI timestamp in the format
// used by the Snapshot API
func CSITimestampToKubernetes(creationTime *timestamppb.Timestamp) *int64 {
	if creationTime == nil {
		return nil
	}

	result := creationTime.AsTime().UnixNano()
	return &result
}

// CSISizeToKubernetes converts the size to the format used by
// the Snapshot API
func CSISizeToKubernetes(sizeBytes int64) *int64 {
	if sizeBytes == 0 {
		return nil
	}

	return &sizeBytes
}
