#include "timer.h"

Timer::Timer(unsigned long duration, bool autoRestart) {
  this->autoRestart = autoRestart;
  this->duration = duration;
  this->endTime = duration;
}

void Timer::start() {
  this->running = true;
}

bool Timer::update(unsigned long delta) {
  if (!running) {
    return false;
  }
  bool timedOut = false;
  this->currentTime += delta;
  if (currentTime > this->endTime) {
    timedOut = true;
  }
  if (timedOut && this->autoRestart) {
    this->endTime += this->duration;
  }
  if (timedOut && !this->autoRestart) {
    running = false;
  }
  return timedOut;
}

bool Timer::isRunning() {
  return this->running;
}