Cleaner/Non working code for incubator motion

#include <Bounce2.h>
//left switch
#define BUTTON_PIN_1 6
//right switch
#define BUTTON_PIN_2 5
#define LED_GREEN 12
#define LED_PIN 13
unsigned long currentMillis = 0;
unsigned long lastReverse =0;
const int turnInterval = 10000;
const byte in1 = 4;
const byte in2 = 3;
int in1State =0;
int in2State =0;
int value1 =0;
int value2 =0;
int state =0;

// Instantiate a Bounce object
Bounce debouncer1 = Bounce();

// Instantiate another Bounce object
Bounce debouncer2 = Bounce();

void setup() {
  pinMode(BUTTON_PIN_1,INPUT);
  pinMode(in1, OUTPUT);
  pinMode(in2, OUTPUT);
  debouncer1.attach(BUTTON_PIN_1);
  debouncer1.interval(5); // interval in ms
  pinMode(BUTTON_PIN_2,INPUT);
  debouncer2.attach(BUTTON_PIN_2);
  debouncer2.interval(5); // interval in ms
  pinMode(LED_PIN,OUTPUT);
  pinMode(LED_GREEN, OUTPUT);
  debouncer1.update();
  debouncer2.update();
  //initialCalibration();

}

void loop() {
  // put your main code here, to run repeatedly:
  //add machine state for motor
  //initial state should be low and motor should be triggered in an if statement
  currentMillis = millis();
  debouncer1.update();
  debouncer2.update();
  updateValue();
  switch (state) {
    updateValue();
    case 0: //Motor stop and delay
    stopMotor();
    updateValue();
    if(value1 == HIGH && value2 == LOW) {   //motor is towards left
    stopMotor();
    if(currentMillis - lastReverse >= turnInterval) {  //wait for the delay to expire and send to processes
    state = 1;
    lastReverse = currentMillis; }
    else {
    state = 0; }
    }
    updateValue();
    if(value1 == LOW && value2 == HIGH) {  //motor is towards right
    stopMotor();
    if(currentMillis - lastReverse >= turnInterval ) {
    //when the delay is expired, branch off
    state = 2;
    lastReverse = currentMillis;
    } else {
    state = 0;  }
    }
    else {
    state = 0;
    }
    break;

    case 1:
    //go right
    updateValue();
    if(value2 == LOW) {
    //keep going right until the right switch is pressed and jump back to delay state
    goRight(); }
    else {
    state = 0; } //go back to delay state
    break;

    case 2:
    //go left
    updateValue();
    if(value1 == LOW) {
    goLeft(); }
    else {
      state = 0; }
    break;
 }
}

//functions //

void stopMotor() {
  digitalWrite(in1, LOW);
  digitalWrite(in2, LOW);

}

void goLeft() {
  digitalWrite(in1, HIGH);
  digitalWrite(in2, LOW);
}

void goRight() {
  digitalWrite(in1, LOW);
  digitalWrite(in2, HIGH);
}

void updateValue () {
  int value1 = debouncer1.read();
  int value2 = debouncer2.read();
}