db

type ConnectionOptions struct {
	Address string
	HostKey string
}

type DataFriendList struct {
	Friends []string `json:"friends"`
}

type DataSession struct {
	Host string `json:"host"`
}

type Db interface {
	GetFriendList(ctx context.Context, id string) ([]string, error)
	SetFriendList(ctx context.Context, id string, friends []string) error

	GetSessionData(ctx context.Context, ids []string) (map[string]DataSession, error)
	SetSessionData(ctx context.Context, id string, data DataSession) error

	Subscribe(ctx context.Context) (chan PresenceChangedEvent, error)

	SendNotification(ctx context.Context, n PresenceChangedEvent) error
}

type PresenceChangedEvent struct {
	PlayerID  string
	NotifyIDs []string
	Online    bool
}