#include <EEPROM.h>

int inPin1 = 5;
int inPin2 = 6;
int inPin3 = 7;
int inpin1Val = 0;
int inpin2Val = 0;
int inpin3Val = 0;
int limit = 6;
int sequence[6] = {};
int array_count = 0;

// Variables will change:
int buttonPushCounter = 0;  // counter for the number of button presses    
int lastButtonState1 = 0;    // previous state of the button
int lastButtonState2 = 0;
int lastButtonState3 = 0;
const int duration = 400;
const int ledPins[3] = {2,3,4};

void setup() {
Serial.begin(9600);

pinMode (ledPins[0], OUTPUT);
pinMode (ledPins[1], OUTPUT);
pinMode (ledPins[2], OUTPUT);
pinMode (inPin1, INPUT);
pinMode (inPin2, INPUT);
pinMode (inPin3, INPUT);

//const byte sequence[6] = {1,2,0,1,0,2};

int value1 = EEPROM.read(0);

if( value1 < 255){
  int i;
  int j;
  for (i = 0; i < 6; i = i + 1) {
    sequence[i] = EEPROM.read(i);
  }
}



}

void loop() {

  // read the pushbutton input pin:
  inpin1Val = digitalRead(inPin1);

  // compare the buttonState to its previous state
  if (inpin1Val != lastButtonState1) {
    // if the state has changed, increment the counter
    if (inpin1Val == HIGH) {
      sequence[array_count] = 0;
      array_count++; 
      Serial.println(sequence[0]);
    } else {
    
    }
    // Delay a little bit to avoid bouncing
    delay(50);
  }
  // save the current state as the last state, for next time through the loop
  lastButtonState1 = inpin1Val;


  inpin2Val = digitalRead(inPin2);

  // compare the buttonState to its previous state
  if (inpin2Val != lastButtonState2) {
    // if the state has changed, increment the counter
    if (inpin2Val == HIGH) {
      sequence[array_count] = 1;
      array_count++; 
      Serial.println(sequence[1]);
    } else {
      
    }
    // Delay a little bit to avoid bouncing
    delay(50);
  }
  // save the current state as the last state, for next time through the loop
  lastButtonState2 = inpin2Val;


  inpin3Val = digitalRead(inPin3);

  // compare the buttonState to its previous state
  if (inpin3Val != lastButtonState3) {
    // if the state has changed, increment the counter
    if (inpin3Val == HIGH) {
      sequence[array_count] = 2;
      array_count++; 
      Serial.println(sequence[2]);
    } else {
    
    }
    // Delay a little bit to avoid bouncing
    delay(50);
  }
  // save the current state as the last state, for next time through the loop
  lastButtonState3 = inpin3Val;

  if(array_count == 6){
    int i;
    int j;
    for (i = 0; i < 6; i = i + 1) {
      j = sequence[i];
      delay (duration);
      digitalWrite(ledPins[j], HIGH);   
      delay(duration);               
      digitalWrite(ledPins[j], LOW);    
      delay(duration); 
      EEPROM.write(i, j);
    }
    //Serial.println("I'm here at array_count 6");
    array_count = 0;
  }else{

    int value1 = EEPROM.read(0);
    //Serial.println(value1);
    if( value1 < 255){
      int k;
      for (k = 0; k < 6; k = k + 1) {
        delay (duration);
        digitalWrite(ledPins[EEPROM.read(k)], HIGH);   
        delay(duration);               
        digitalWrite(ledPins[EEPROM.read(k)], LOW);    
        delay(duration); 
      }
    }
    //Serial.println("I'm here at else");
  }
}