Motor code switch case problem

#include <Bounce2.h>
#include <Wire.h>
#include "RTClib.h"
#include <TimeLib.h>
#include <TimeAlarms.h>

AlarmId id;
RTC_DS3231 rtc;

#define motorRightPin 4
#define motorLeftPin 3
#define limitSwitchLeftPin 9
#define limitSwitchRightPin  8
int hour_now;
int minute_now;
int second_now;
int month_now;
int year_now;
int day_now;



bool startMotor = false;
Bounce limitSwitchLeft = Bounce();
Bounce limitSwitchRight = Bounce();


void setup() {
  // syncing the time of arduino with time of RTC

  DateTime now = rtc.now();
  hour_now = now.hour();
  minute_now = now.minute();
  second_now = now.second();
  month_now = now.month();
  year_now = now.year();
  day_now = day.now();

  setTime(hour_now,minute_now,second_now,month_now,day_now,year_now);

  pinMode(motorRightPin, OUTPUT);
  pinMode(motorLeftPin, OUTPUT);
  digitalWrite(motorRightPin, LOW);
  digitalWrite(motorLeftPin, LOW);

  limitSwitchLeft.attach(limitSwitchLeftPin, INPUT_PULLUP);
  limitSwitchLeft.interval(50);

  limitSwitchRight.attach(limitSwitchRightPin, INPUT_PULLUP);
  limitSwitchRight.interval(50);

//using alarm library which lets me set alarm and execute a specific function at specifc time

  Alarm.alarmRepeat(8,30,0, turnEgg);
  Alarm.alarmRepeat(8,31,0, turnEgg);
  Alarm.alarmRepeat(4,30,0, turnEgg);


  Serial.begin(9600);
  Serial.println("Incubator starting. motor is now at rest");

//RTC FUCNTIONS BELOW. necessary

  if(! rtc.begin())
  {
    Serial.println("Couldn't find RTC");
    while(1);
  }

  if(rtc.lostPower())
  {
    Serial.println("RTC lost power");
    // following line sets the RTC to the date & time this sketch was compiled
    //rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
    // This line sets the RTC with an explicit date & time, for example to set
    // January 21, 2014 at 3am you would call:
    // rtc.adjust(DateTime(2014, 1, 21, 3, 0, 0));
  }


//RTC FUNCTIONS ABOVE

  //if motor isn't on one of the switches, move the tray to one of the switches
  while(digitalRead(limitSwitchLeftPin) == HIGH && digitalRead(limitSwitchRightPin) == HIGH )
  {
    digitalWrite(motorRightPin, LOW);
    digitalWrite(motorLeftPin, HIGH);
    Serial.println("Mtr calibrating");
  }

  digitalWrite(motorRightPin, LOW);
  digitalWrite(motorLeftPin, LOW);
  Serial.println("Calibration OK");

  delay(2000);
}

enum states { STATE_IDLE, STATE_MOVING_RIGHT, STATE_MOVING_LEFT };

int currentState = STATE_IDLE;          //giving names to cases in switch case


void loop() {
  // initializing time and updating
  DateTime now = rtc.now();
  hour_now = now.hour();
  minute_now = now.minute();
  second_now = now.second();
  month_now = now.month();
  year_now = now.year();
  day_now = day.now();
  limitSwitchLeft.update();
  limitSwitchRight.update();      //reading the debounce state of switches
  bool limitSwitchLeftState = limitSwitchLeft.read();   //switch are input pullup. high state is zero
  bool limitSwitchRightState = limitSwitchRight.read();

  turnEgg();       //turn the eggs
  Alarm.delay(50);        //works as a normal delay to slow down arduino
}

turn(){
  if (startMotor == true){
   switch (currentState) {
    case STATE_IDLE:
        Serial.println("button to trigger start motor has been presssed");
        if (limitSwitchLeftState == HIGH && limitSwitchRightState == LOW){
          Serial.println("Moving right now");
          digitalWrite(motorRightPin, HIGH);
          digitalWrite(motorLeftPin, LOW);
          currentState = STATE_MOVING_RIGHT;
        }
        else if (limitSwitchLeftState == LOW && limitSwitchRightState == HIGH){
          Serial.println("Moving left now");
          digitalWrite(motorRightPin, LOW);
          digitalWrite(motorLeftPin, HIGH);
          currentState = STATE_MOVING_LEFT;
        }
      break;

    case STATE_MOVING_RIGHT:
      // moving right so only check right limit switch
      if (limitSwitchRightState == HIGH && limitSwitchLeftState == LOW)  {
        Serial.println("Motor reached right. motor stopping");
        digitalWrite(motorRightPin, LOW);
        digitalWrite(motorLeftPin, LOW);
        startMotor = false;
        //im not telling it to change state to currentstate_idle once the motor stops because the arduino is so fast that
        //it will read the switches status and keep the motor running in a loop and just reversing it...
        //but since i can now specify at which second i want this to execute i think i should be fine adding
        //the currentSTate_idle statement.. but i haven't tried and giving you original code
       }
      break;

    case STATE_MOVING_LEFT:
      // moving left so only check left limit switch

      if (limitSwitchLeftState == HIGH && limitSwitchRightState == LOW){
        Serial.println("Motor has reached left. Motor stopping");
        digitalWrite(motorRightPin, LOW);
        digitalWrite(motorLeftPin, LOW);
        startMotor = false;


      }
      break;
  }
 }
}

turnEgg() {
  startMotor = true;
  turn();
  startMotor = false;
}