package types

import "fmt"

type Percent float64

func (p Percent) String() string {
	if p < 0 {
		return ""
	}
	return fmt.Sprintf("%3d %%", int(p))
}

func (p Percent) Compact() string {
	if p < 0 {
		return ""
	}
	return fmt.Sprintf("%.0f%%", p)
}

func (p *Percent) Value() float64 {
	return float64(*p)
}
func (P *Percent) Clamp() {
	if *P < 0 {
		*P = 0
	} else if *P > 100 {
		*P = 100
	}
}
func (P *Percent) CalcBytes(Vn, Vmax Bytes) {
	P.Calc(float64(Vn), float64(Vmax))
}
func (P *Percent) Calc(Vn, Vmax float64) {
	if Vmax == 0 {
		*P = 0
		return
	}
	*P = Percent(100 * Vn / Vmax)
}
func (P *Percent) FromFloat(v float64) {
	*P = Percent(v * 100)
}
func (P *Percent) SetValue(v float64) {
	*P = Percent(v)
}
func (P *Percent) SetValueInt(v int) {
	*P = Percent(v)
}

func (P *Percent) Bar(title string, w int) (s string, err error) {
	return Bar(title, w, int(P.Value()), 100, P.Compact())
}