#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

const int ledPin[] = {2, 3, 4, 5};
const int buttonPin[] = {6, 7, 8, 9};

const char buttonLabels[][6] = {"Water", "Fire", "Earth", "Air"};

bool ledStates[] = {LOW, LOW, LOW, LOW};


void setup() {
  Serial.begin(9600);
  lcd.init();
  lcd.backlight();
  for (int i = 0; i < 4; i++) {
    pinMode(ledPin[i], OUTPUT);
    pinMode(buttonPin[i], INPUT_PULLUP);
  }
  lcd.setCursor(0, 0);
  lcd.print("Press a Button:");
}

void loop() {
  for (int i = 0; i < 4; i++) {
    if (digitalRead(buttonPin[i]) == LOW) {
      digitalWrite(ledPin[i], HIGH);
      lcd.setCursor(0, 1);
      lcd.print(buttonLabels[i]);
      lcd.print(" Active");
      while (digitalRead(buttonPin[i]) == LOW) {}
      digitalWrite(ledPin[i], LOW);
      lcd.setCursor(0, 1);
      lcd.print("                ");
    }
  }
}