#include <LiquidCrystal_I2C.h>

#define I2C_ADDR    0x27
#define LCD_COLUMNS 20
#define LCD_LINES   1

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);
int potPin = A0; 
const int SPEAKER_PIN = A3;
int NUM_MODES = 3;
int MAX_POT_VAL = 1023; 


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();

  if (inDeadband()) {
    Serial.print("Analog Reading: ");
    Serial.print(analogRead(potPin));
    Serial.println(" is in deadband");
    blinkStatusLed();
  } else {
    int modeNum = 0; 
    if(analogRead(potPin)>0 && analogRead(potPin) <=341) {
    modeNum=0;
    }

    if(analogRead(potPin)>342 && analogRead(potPin) <=682) {
    modeNum=1;
    }

    if(analogRead(potPin)>683 && analogRead(potPin) <=1023) {
    modeNum=2;
    }
    
    Serial.print("Analog Reading: ");
    Serial.print(analogRead(potPin));
    Serial.print(" is equal to Mode: ");
    Serial.println(modeNum);

    if (modeNum == 0) {
      turnOnLeds0();
    }

     if (modeNum == 1) {
      turnOnLeds1();
    }

     if (modeNum == 2) {
      turnOnLeds2();
    }

    if (modeNum == 0, 1, 2){
        lcd.clear();
      }
  }
}

bool inDeadband() {
  if(analogRead(potPin)>326 && analogRead(potPin) <=356 || analogRead(potPin) >667 && analogRead(potPin) <= 697) {
    return true;
  }
  /*
    In this function you will determine if your potentiometer reading is within a deadband range. You will
    be using analogRead as well as if statements.

    You should return true if you ARE in deadband and false otherwise.
  */

  return false;
}

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

void turnOnLeds0() {
  for (int ledNumber = 2; ledNumber <= 7; ledNumber++) {
    digitalWrite(ledNumber, HIGH);
  }
}


void turnOnLeds1() {
  for (int ledNumber = 8; ledNumber <= 13; ledNumber++) {
    digitalWrite(ledNumber, HIGH);
  }
}

void turnOnLeds2() {
  for (int ledNumber = 2; ledNumber <= 13; ledNumber++) {
    digitalWrite(ledNumber, HIGH);
  }
}
void blinkStatusLed() {
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);

  tone(SPEAKER_PIN, 262, 250);

lcd.init();
  lcd.backlight();

  // Print something
  lcd.setCursor(3, 0);
  lcd.print("Deadband!");
}