enum {WHITE, RED, BLUE, GREEN, YELLOW};
int onOff = 1000;

enum {BLUE_WIRE = 10, ORANGE_WIRE, GREEN_WIRE};


void setup() {
  Serial.begin(115200);
}

void loop() {
  lights(WHITE);
  delay(onOff);
  lights(RED);
  delay(onOff);
  lights(BLUE);
  delay(onOff);
  lights(GREEN);
  delay(onOff);
  lights(YELLOW);
  delay(onOff);

}

void lights(int light) {
  switch (light) {
    case WHITE:
      Serial.println("WHITE");
      flash(BLUE_WIRE, GREEN_WIRE);
      break;
    case RED:
      Serial.println("RED");
      flash(BLUE_WIRE, ORANGE_WIRE);
      break;
    case BLUE:
      Serial.println("BLUE");
      flash(ORANGE_WIRE, BLUE_WIRE);
      break;
    case GREEN:
      Serial.println("GREEN");
      flash(ORANGE_WIRE, GREEN_WIRE);
      break;
    case YELLOW:
      Serial.println("YELLOW");
      flash(GREEN_WIRE, ORANGE_WIRE);
      break;
    default:
      Serial.println("Missed it");
  }
}

void flash(int pos, int neg) {
  for (int i = BLUE_WIRE; i <= GREEN_WIRE; i++) {
    pinMode(i, INPUT);
  }
  for (int i = BLUE_WIRE; i <= GREEN_WIRE; i++) {
    if (i == pos) {
      pinMode(i, OUTPUT);
      digitalWrite(i, HIGH);
      Serial.print(i); Serial.println(" HIGH");
    } else if (i == neg) {
      pinMode(i, OUTPUT);
      digitalWrite(i, LOW);
      Serial.print(i); Serial.println( " LOW");
    }
    else {
      pinMode(i, INPUT);
      Serial.print(i); Serial.println( " INPUT");
    }
  }
  Serial.flush();
  delay(onOff);
  for (int i = 10; i < 13; i++) {
    pinMode(i, INPUT);
  }
  Serial.println("");

}