package connmgr

import (
	"context"

	"github.com/libp2p/go-libp2p-core/network"
	"github.com/libp2p/go-libp2p-core/peer"
)

// NullConnMgr is a ConnMgr that provides no functionality.
type NullConnMgr struct{}

var _ ConnManager = (*NullConnMgr)(nil)

func (_ NullConnMgr) TagPeer(peer.ID, string, int)             {}
func (_ NullConnMgr) UntagPeer(peer.ID, string)                {}
func (_ NullConnMgr) UpsertTag(peer.ID, string, func(int) int) {}
func (_ NullConnMgr) GetTagInfo(peer.ID) *TagInfo              { return &TagInfo{} }
func (_ NullConnMgr) TrimOpenConns(ctx context.Context)        {}
func (_ NullConnMgr) Notifee() network.Notifiee                { return network.GlobalNoopNotifiee }
func (_ NullConnMgr) Protect(peer.ID, string)                  {}
func (_ NullConnMgr) Unprotect(peer.ID, string) bool           { return false }
func (_ NullConnMgr) Close() error                             { return nil }