#include "CountdownScreen.h"
#include "Screen/SetTimeScreen.h"
#include "ExposureTimer.h"
#include "Config.h"
#include "Buzzer.h"


void CountdownScreen::printRemainingTime()
{
  getDisplay()->setCursor(0, 1);
  String time = FormatTime(ExposureTime - ((getCurrentTime() - ExposureTimerStart) / 1000));

  // TODO blank out, center, etc
  getDisplay()->print(time);
}


void CountdownScreen::onShow()
{
  mLastDisplayed = -1;

  getDisplay()->setCursor(0, 0);
  getDisplay()->print("Exposing...     ");

  printRemainingTime();
  digitalWrite(PinLED, HIGH);
}


void CountdownScreen::onHide()
{
  digitalWrite(PinLED, LOW);
}


void CountdownScreen::onButton()
{
  // TODO Confirmation?
  buzzClick();
  getScreenManager()->show<SetTimeScreen>();
}


void CountdownScreen::onEncoder(long lastPosition, long newPosition)
{
  // TODO Allow adding / removing time?
}


void CountdownScreen::onTick()
{
  long elapsed = (getCurrentTime() - ExposureTimerStart) / 1000;

  if (elapsed >= ExposureTime)
  {
    getDisplay()->setCursor(0, 0);
    getDisplay()->print("Done!           ");

    printRemainingTime();
    digitalWrite(PinLED, LOW);

    buzzCompleted();

    ExposureTimerStart = 0;
    getScreenManager()->show<SetTimeScreen>();
  }
  else if (elapsed != mLastDisplayed)
  {
    printRemainingTime();
    mLastDisplayed = elapsed;
  }
}