int servoPin = 9;
int photoresistorPin = A0;

// Define variables
int photoresistorValue;
int angle = 0;
int totalEnergy = 0;

const int UPDATE_INTERVAL = 5000;

void setup() {
  // put your setup code here, to run once:

// Attach the servo
  pinMode(servoPin, OUTPUT);
  servo.attach(servoPin);

  digitalWrite(ledOnPin, HIGH);
  digitalWrite(ledOffPin, HIGH);

  // Start serial communication
  Serial.begin(9600);

}

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

  photoresistorValue = analogRead(photoresistorPin);

   angle = map(photoresistorValue, 0, 1023, 0, 180);

   servo.write(angle);

   int energyGenerated = map(photoresistorValue, 0, 1023, 0, 1000); // not sure if this would work.

  Serial.print("Instantaneous power generated: ");
  Serial.print(energyGenerated);
  Serial.println("mW: ");

  totalEnergy += energyGenerated;

  delay(UPDATE_INTERVAL);

  void printTotalEnergy() {
  Serial.print("Total energy generated: ");
  Serial.print(totalEnergy);
  Serial.println("mWh: ");

//For telling which mode the solar cell is in, tracking mode or stationary
  if (switchValue == HIGH) {
    digitalWrite(ledOffPin, LOW);
    if (ledState == LOW) {
      digitalWrite(ledOnPin, HIGH);
      ledState = HIGH;
    }
  }
  else {
    digitalWrite(ledOnPin, LOW);
    if (ledState == HIGH) {
      digitalWrite(ledOffPin, HIGH);
      ledState = LOW;
    }
}
}
}