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

Servo servo1;
Servo servo2;

LiquidCrystal_I2C lcd(0x27, 16, 2);

const int irProximity1 = 2; // Sensor Infrared Proximity 1
const int irProximity2 = 3; // Sensor Infrared Proximity 2
const int buzzerPin = 4;    // Active Buzzer

int halanganCount1 = 0;
bool countdownStarted = false;
unsigned long countdownStartTime = 0;
const int countdownDuration = 10000; // 10 seconds

void setup() {
  servo1.attach(5); // Servo 1
  servo2.attach(6); // Servo 2
  lcd.init();
  lcd.backlight();
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Selamat Datang");
  delay(2000);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Masukkan Coin");
}

void loop() {
  if (digitalRead(irProximity1) == LOW) {
    halanganCount1++;
    if (halanganCount1 == 1) {
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("Countdown: 10s");
      countdownStartTime = millis();
      countdownStarted = true;
    } else if (halanganCount1 == 2) {
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("Silahkan Pilih");
      countdownStarted = false;
    }
  }

  if (countdownStarted) {
    unsigned long currentTime = millis();
    unsigned long elapsedTime = currentTime - countdownStartTime;
    int remainingTime = (countdownDuration - elapsedTime) / 1000;
    
    if (remainingTime >= 0) {
      lcd.setCursor(0, 1);
      lcd.print("Countdown: " + String(remainingTime) + "s");
    } else {
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("Waktu Habis");
      delay(2000);
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("Masukkan Coin");
      halanganCount1 = 0;
      countdownStarted = false;
    }
  }
}