package components

import (
	"time"

	"github.com/hajimehoshi/ebiten/v2"
)

type Timer struct {
	currentTicks int
	targetTicks  int
}

func NewTimer(d time.Duration) *Timer {
	return &Timer{}
}

func (timer *Timer) Start(d time.Duration) {
	min := int(1000 / ebiten.TPS()) // 16.66ms == 1 tick
	useD := d

	if int(d.Milliseconds()) < min {
		useD = time.Duration(1000/ebiten.TPS()) * time.Millisecond
	}

	timer.targetTicks = int(useD.Milliseconds()) / min // id d=50, then 50 / 16.6 =
}

func (t *Timer) Update() {
	if t.currentTicks < t.targetTicks {
		t.currentTicks++
	}
}

func (t *Timer) IsReady() bool {
	return t.currentTicks >= t.targetTicks
}

func (t *Timer) Reset() {
	t.currentTicks = 0
}