#include "ScreenMenu.h"
#include "ScreenSetTime.h"
#include "ScreenCountdown.h"
#include "ExposureTimer.h"
#include "Config.h"
#include "Buzzer.h"


void ScreenMenu::updateLastActivity()
{
  mLastActivity = getCurrentTime();
}


void ScreenMenu::printExposureTime()
{
  getDisplay()->setCursor(0, 1);
  printTime(ExposureTime);
}


void ScreenMenu::printMenuCursor()
{
  getDisplay()->setCursor(0, 0);
  getDisplay()->write(mSelected == 0 ? (byte)0 : ' ');

  getDisplay()->setCursor(9, 0);
  getDisplay()->write(mSelected == 1 ? (byte)0 : ' ');
}


void ScreenMenu::onShow()
{
  updateLastActivity();
  mSelected = 0;

  getDisplay()->setCursor(0, 0);
  getDisplay()->print(" Start    Reset ");

  printMenuCursor();
  printExposureTime();
}


void ScreenMenu::onHide()
{
}


void ScreenMenu::onButton()
{
  buzzClick();

  switch (mSelected)
  {
    case 0:
      digitalWrite(PinLED, HIGH);

      StartExposureTimer(getCurrentTime());
      getScreenManager()->show<ScreenCountdown>();
      break;

    case 1:
      ResetExposureTime();
      getScreenManager()->show<ScreenSetTime>();
  }
}


void ScreenMenu::onEncoder(long lastPosition, long newPosition)
{
  updateLastActivity();

  if (newPosition > lastPosition)
  {
    if (mSelected < 1)
    {
      buzzSelect();
      mSelected++;
      printMenuCursor();
    }
  }
  else
  {
    if (mSelected > 0)
    {
      buzzSelect();
      mSelected--;
      printMenuCursor();
    }
  }
}


void ScreenMenu::onTick()
{
  if (getCurrentTime() - mLastActivity >= MenuTimeout)
    getScreenManager()->show<ScreenSetTime>();
}