int potPin = A5; // TODO 1.1: Replace this value with the pin number associated with the SIG pin on the potentiometer. Hint: Include the "A"...
int statusPin = 2; //TODO 3.1: Choose which LED pin you want to be the status LED

int NUM_MODES = 3;
int MAX_POT_VAL = 1023; // TODO 1.3: Replace this value with the maximum value reading from the potentiometer
int whites[4] = {5, 8, 11, 13};
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  for (int pinNumber = 2; pinNumber <= 13; pinNumber++) {
    pinMode(pinNumber, OUTPUT);
  }
}

void loop() {
  
  // put your main code here, to run repeatedly:
  turnOffLeds();
  
  int potReading = analogRead(A5); //TODO 1.2: read the analog value from potPin. Hint: Google "how to read an analog pin arduino"
  Serial.print("Potentiometer Reading: ");
  Serial.print(potReading);

  if (inDeadband()) {
    blinkStatusLed();
  } 
  else {
    int modeNum = (potReading-1) / 341; //TODO 2.1: Fix this line to calculate the mode number (Hint: math operators are *, /, +, -, and %)
    Serial.print(" you are in Mode: ");
    Serial.println(modeNum);

if (modeNum ==0) {
  turnOnLeds();
}

    if (modeNum == 1) {
      blinkall();
  
    }
    if (modeNum == 2){
      blinkwhites();
    }
    //TODO 4.1: add more if statements here to process different modes
    //TODO 4.2: Rearrange and change the color of your LEDs to match your LS design
    //TODO 4.4: Call at least two custom functions you created last unit. 
  }
}

bool inDeadband() {
  int potReading = analogRead(potPin);  // Changed from digitalRead to analogRead

  // Assuming your mode ranges are 341 units each (1023/3 ≈ 341)
  // Adding 10% deadband between modes

  if ((potReading > 307 && potReading < 375) ||    // Deadband between mode 0 and 1
      (potReading > 648 && potReading < 716)) {    // Deadband between mode 1 and 2
    Serial.println(" you are in deadband");
    return true;
  } 
  else {
    return false;
  }
}

// ===========================================
//               HELPER FUNCTIONS
// ===========================================
// These functions below perform specific, reusable tasks 
// to simplify the main program logic.


void turnOffLeds() {
  for (int ledNumber = 2; ledNumber <= 13; ledNumber++) {
    digitalWrite(ledNumber, LOW);
  }
}

void turnOnLeds() {
  for (int ledNumber = 2; ledNumber <= 13; ledNumber++) {
    digitalWrite(ledNumber, HIGH);
  }
}

void blinkStatusLed() {
  digitalWrite(statusPin, HIGH);
  delay(100);
  digitalWrite(statusPin, LOW);
  delay(100);
}

//TODO 4.3: Implement at least two custom functions from last unit. Add them below.

void blinkall() {
for(int i = 2; i <= 13; i++){ 
  digitalWrite(i,HIGH);
  delay(100);
  digitalWrite(i,LOW);
}
}
//blinks all leds at once
void blinkwhites() {
for (int i = 0; i < 4; i++) {
  digitalWrite(whites[i],HIGH);
  delay(500);
  digitalWrite(whites[i], LOW);
}

}
//blinks all white leds