/*
 * Amber
 * Version 1
 */

const int pinLed1 = 4;
const int pinLed2 = 5;
const int pinLed3 = 6;
const int pinButt = 9;
boolean readVal = 0;
boolean flag = 0;
boolean lastButton = 0;
int counter = 0;

void setup() {
  // put your setup code here, to run once:
  pinMode (pinLed1, OUTPUT);
  pinMode (pinLed2, OUTPUT);
  pinMode (pinLed3, OUTPUT);
  pinMode (pinButt, INPUT);

  Serial.begin (9600);

  digitalWrite (pinLed1, HIGH);
  digitalWrite (pinLed2, HIGH);
  digitalWrite (pinLed3, HIGH);
  delay (500); ;
  digitalWrite (pinLed1, LOW);
  digitalWrite (pinLed2, LOW);
  digitalWrite (pinLed3, LOW);
  Serial.begin (9600);
}

void loop()
{
  // put your main code here, to run repeatedly:

      readVal = debounce (lastButton);
  // will go and read the Button
    Serial.println (readVal);

 if (lastButton == LOW && readVal == HIGH)    // Checks if the button has been pressed
  {

    counter++;
  }
  switch (counter)
  {
case 1:

  digitalWrite (pinLed1, HIGH);
  digitalWrite (pinLed2, LOW);
  digitalWrite (pinLed3, LOW);
  break;
case 2:

digitalWrite (pinLed1, HIGH);
  digitalWrite (pinLed2, HIGH);
  digitalWrite (pinLed3, LOW);
  break;

case 3:

  digitalWrite (pinLed1, HIGH);
  digitalWrite (pinLed2, HIGH);
  digitalWrite (pinLed3, HIGH);
    break;
 case 4:

    digitalWrite (pinLed1, LOW);
  digitalWrite (pinLed2, LOW);
  digitalWrite (pinLed3, LOW);
  counter = 0;
    break;
  }
  lastButton = readVal;
}

  boolean debounce (boolean last)
{
  boolean current = digitalRead(pinButt);
  if (last != current)
  {
    delay(5);
    current = digitalRead(pinButt);
  }
  return current;
}