package ru.dbotthepony.kstarbound.util

import ru.dbotthepony.kstarbound.Starbound

class GameTimer(val time: Double = 0.0) {
	var timer = time
		private set

	fun reset() {
		timer = time
	}

	var hasFinished: Boolean
		get() = timer <= 0.0
		set(value) {
			if (value)
				timer = 0.0
			else
				timer = time
		}

	val percent: Double
		get() = if (time != 0.0) timer / time else 0.0

	fun invert() {
		timer = time - timer
	}

	fun tick(delta: Double = Starbound.TIMESTEP): Boolean {
		timer = (timer - delta).coerceAtLeast(0.0)
		return timer == 0.0
	}

	fun wrapTick(delta: Double = Starbound.TIMESTEP): Boolean {
		val result = tick(delta)
		if (result) reset()
		return result
	}
}