commonspace

type Deps struct {
	TreeSyncer treesyncer.TreeSyncer
}

type Space interface {
	Id() string
	Init(ctx context.Context) error
	Acl() syncacl.SyncAcl

	StoredIds() []string
	DebugAllHeads() []headsync.TreeHeads
	Description() (desc SpaceDescription, err error)

	TreeBuilder() objecttreebuilder.TreeBuilder
	TreeSyncer() treesyncer.TreeSyncer
	AclClient() aclclient.AclSpaceClient
	SyncStatus() syncstatus.StatusUpdater
	Storage() spacestorage.SpaceStorage

	DeleteTree(ctx context.Context, id string) (err error)
	GetNodePeers(ctx context.Context) (peer []peer.Peer, err error)

	HandleMessage(ctx context.Context, msg objectsync.HandleMessage) (err error)
	HandleSyncRequest(ctx context.Context, req *spacesyncproto.ObjectSyncMessage) (resp *spacesyncproto.ObjectSyncMessage, err error)
	HandleRangeRequest(ctx context.Context, req *spacesyncproto.HeadSyncRequest) (resp *spacesyncproto.HeadSyncResponse, err error)

	TryClose(objectTTL time.Duration) (close bool, err error)
	Close() error
}

type SpaceCreatePayload struct {
	// SigningKey is the signing key of the owner
	SigningKey crypto.PrivKey
	// SpaceType is an arbitrary string
	SpaceType string
	// ReplicationKey is a key which is to be used to determine the node where the space should be held
	ReplicationKey uint64
	// SpacePayload is an arbitrary payload related to space type
	SpacePayload []byte
	// MasterKey is the master key of the owner
	MasterKey crypto.PrivKey
	// ReadKey is the first read key of space
	ReadKey crypto.SymKey
	// MetadataKey is the first metadata key of space
	MetadataKey crypto.PrivKey
	// Metadata is the metadata of the owner
	Metadata []byte
}

type SpaceDerivePayload struct {
	SigningKey   crypto.PrivKey
	MasterKey    crypto.PrivKey
	SpaceType    string
	SpacePayload []byte
}

type SpaceDescription struct {
	SpaceHeader          *spacesyncproto.RawSpaceHeaderWithId
	AclId                string
	AclPayload           []byte
	SpaceSettingsId      string
	SpaceSettingsPayload []byte
}

type SpaceService interface {
	DeriveSpace(ctx context.Context, payload SpaceDerivePayload) (string, error)
	DeriveId(ctx context.Context, payload SpaceDerivePayload) (string, error)
	CreateSpace(ctx context.Context, payload SpaceCreatePayload) (string, error)
	NewSpace(ctx context.Context, id string, deps Deps) (sp Space, err error)
	app.Component
}