package event

const (
	namedPrefixer = ":"
)

type (
	// Emitter able to emit events
	Emitter interface {
		Emit(name string, data interface{})
	}

	// Receiver able to listen to events
	Receiver interface {
		On(name string, handler HandlerFunc)
	}

	// HandlerFunc func
	HandlerFunc func(Event)

	// Event specific interface
	Event interface {
		Name() string
		Data() interface{}
	}

	// private data
	event struct {
		name string
		data interface{}
	}
)

// New Event
func New(name string, data interface{}) Event {
	return &event{name, data}
}

func (e *event) Name() string {
	return e.name
}

func (e *event) Data() interface{} {
	return e.data
}

// Prefixer

// NamedEmitter data for event prefixer