package logger

type Logger interface {
	Info(a ...interface{})
	Infof(format string, a ...interface{})

	Error(a ...interface{})
	Errorf(format string, a ...interface{})

	Debug(a ...interface{})
	Debugf(format string, a ...interface{})

	Warn(a ...interface{})
	Warnf(format string, a ...interface{})

	Fatal(a ...interface{})
	Fatalf(format string, a ...interface{})
}

type EmptyLogger struct {
}

func NewEmptyLogger() Logger {
	return &EmptyLogger{}
}

func (l *EmptyLogger) Info(a ...interface{})                 {}
func (l *EmptyLogger) Infof(format string, a ...interface{}) {}

func (l *EmptyLogger) Error(a ...interface{})                 {}
func (l *EmptyLogger) Errorf(format string, a ...interface{}) {}

func (l *EmptyLogger) Debug(a ...interface{})                 {}
func (l *EmptyLogger) Debugf(format string, a ...interface{}) {}

func (l *EmptyLogger) Warn(a ...interface{})                 {}
func (l *EmptyLogger) Warnf(format string, a ...interface{}) {}

func (l *EmptyLogger) Fatal(a ...interface{})                 {}
func (l *EmptyLogger) Fatalf(format string, a ...interface{}) {}