#include <Servo.h> // Included as allowed package (not used in this sketch)

const int led1Pin = 32;    // Pin for led1
const int led2Pin = 33;    // Pin for led2

// Array for the 10 bar graph segments connected to pins 22-31
const int barPins[10] = {22, 23, 24, 25, 26, 27, 28, 29, 30, 31};

void setup() {
  // Set up the individual LED pins as outputs.
  pinMode(led1Pin, OUTPUT);
  pinMode(led2Pin, OUTPUT);
  
  // Set up each bar graph segment pin as outputs.
  for (int i = 0; i < 10; i++) {
    pinMode(barPins[i], OUTPUT);
    digitalWrite(barPins[i], LOW); // Make sure it's off initially.
  }
  
  // Turn off the individual LEDs on startup.
  digitalWrite(led1Pin, LOW);
  digitalWrite(led2Pin, LOW);
}

void loop() {
  // The variable used to alternate the two individual LEDs.
  bool toggleLED = true;
  
  // Fill the bar graph sequentially.
  for (int seg = 0; seg < 10; seg++) {
    // Turn on the current bargraph segment.
    digitalWrite(barPins[seg], HIGH);
    
    // Blink the two LEDs alternately on each 2000ms interval.
    if (toggleLED) {
      digitalWrite(led1Pin, HIGH);
      digitalWrite(led2Pin, LOW);
    } else {
      digitalWrite(led1Pin, LOW);
      digitalWrite(led2Pin, HIGH);
    }
    
    // Wait 2000 milliseconds.
    delay(2000);
    
    // Toggle the LED blinking for next step.
    toggleLED = !toggleLED;
  }
  
  // After the bargraph is fully lit, wait a little bit and then reset the animation.
  // (Turn off all bar graph segments)
  for (int seg = 0; seg < 10; seg++) {
    digitalWrite(barPins[seg], LOW);
  }
  
  // Turn off the individual LEDs before restarting.
  digitalWrite(led1Pin, LOW);
  digitalWrite(led2Pin, LOW);
  
  // Short delay before restarting the animation.
  delay(500);
}