package spectre

// Scope is a key scope
type Scope string

const (
	Authentication Scope = "Authentication"
	Identification Scope = "Identification"
	Recovery       Scope = "Recovery"
)

// Scoper returns one of the three available scopes
type Scoper interface {
	Scope(Scope) string
}

// SimpleScope is a simple Scoper
type SimpleScope struct {
	Key string
}

// Scope fulfills Scoper
func (s SimpleScope) Scope(scope Scope) string {
	switch scope {
	case Identification:
		return s.Key + ".login"
	case Recovery:
		return s.Key + ".answer"
	case Authentication:
		fallthrough
	default:
		return s.Key
	}
}