package object

import (
	"strconv"

	objectV2 "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/api/object"
	objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
	oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
)

// AddressOf returns the address of the object.
func AddressOf(obj *objectSDK.Object) oid.Address {
	var addr oid.Address

	id, ok := obj.ID()
	if ok {
		addr.SetObject(id)
	}

	cnr, ok := obj.ContainerID()
	if ok {
		addr.SetContainer(cnr)
	}

	return addr
}

// ExpirationEpoch returns the expiration epoch of the object.
func ExpirationEpoch(obj *objectSDK.Object) (epoch uint64, found bool) {
	for _, attr := range obj.Attributes() {
		if attr.Key() == objectV2.SysAttributeExpEpoch {
			epoch, err := strconv.ParseUint(attr.Value(), 10, 64)
			return epoch, err == nil
		}
	}
	return
}