package units

// SI units.
type SI int64

// SI unit multiples.
const (
	Kilo SI = 1000
	Mega    = Kilo * 1000
	Giga    = Mega * 1000
	Tera    = Giga * 1000
	Peta    = Tera * 1000
	Exa     = Peta * 1000
)

func MakeUnitMap(suffix, shortSuffix string, scale int64) map[string]float64 {
	res := map[string]float64{
		shortSuffix: 1,
		// see below for "k" / "K"
		"M" + suffix: float64(scale * scale),
		"G" + suffix: float64(scale * scale * scale),
		"T" + suffix: float64(scale * scale * scale * scale),
		"P" + suffix: float64(scale * scale * scale * scale * scale),
		"E" + suffix: float64(scale * scale * scale * scale * scale * scale),
	}

	if scale == 1024 {
		res["K"+suffix] = float64(scale)
	} else {
		res["k"+suffix] = float64(scale)
		res["K"+suffix] = float64(scale)
	}
	return res
}