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

RTC_DS1307 rtc;
LiquidCrystal_I2C lcd(0x27, 20, 4);

Servo servo1;
Servo servo2;
Servo servo3;

const int buttonSetTime = 22;
const int buttonSetDown = 23;
const int buttonSetUp = 24;
const int buttonSetAlarm = 25;

const int buttonKuning = 11; // Push button kuning untuk servo 1
const int buttonBiru = 12;   // Push button biru untuk servo 2
const int buttonMerah = 13;  // Push button merah untuk servo 3

const int ledKuning = 6;     // LED kuning
const int ledBiru = 5;       // LED biru
const int ledMerah = 4;      // LED merah
const int buzzerPin = 7;

bool alarmActive = false;

void setup() {
  lcd.init();
  lcd.backlight();
  
  pinMode(buttonSetTime, INPUT_PULLUP);
  pinMode(buttonSetDown, INPUT_PULLUP);
  pinMode(buttonSetUp, INPUT_PULLUP);
  pinMode(buttonSetAlarm, INPUT_PULLUP);
  
  pinMode(buttonKuning, INPUT_PULLUP);
  pinMode(buttonBiru, INPUT_PULLUP);
  pinMode(buttonMerah, INPUT_PULLUP);
  
  pinMode(ledKuning, OUTPUT);
  pinMode(ledBiru, OUTPUT);
  pinMode(ledMerah, OUTPUT);
  pinMode(buzzerPin, OUTPUT);
  
  servo1.attach(8);  // PWM pin untuk servo 1
  servo2.attach(9);  // PWM pin untuk servo 2
  servo3.attach(10); // PWM pin untuk servo 3

  Wire.begin();
  rtc.begin();
  
  if (!rtc.isrunning()) {
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__))); // Set RTC dengan tanggal dan waktu kompilasi
  }
  
  lcd.setCursor(0, 0);
  lcd.print("Medicine Reminder");
}

void loop() {
  DateTime now = rtc.now();
  
  lcd.setCursor(0, 1);
  lcd.print(now.timestamp(DateTime::TIMESTAMP_TIME));
  
  lcd.setCursor(0, 2);
  lcd.print(now.timestamp(DateTime::TIMESTAMP_DATE));
  
  if (digitalRead(buttonSetTime) == LOW) {
    // Implementasi pengaturan waktu
  }
  if (digitalRead(buttonSetDown) == LOW) {
    // Implementasi penurunan
  }
  if (digitalRead(buttonSetUp) == LOW) {
    // Implementasi peningkatan
  }
  if (digitalRead(buttonSetAlarm) == LOW) {
    // Implementasi pengaturan alarm
    alarmActive = !alarmActive;
    digitalWrite(ledBiru, alarmActive ? HIGH : LOW);
  }

  if (digitalRead(buttonKuning) == LOW) {
    // Gerakkan servo 1
    servo1.write(90); // Contoh posisi servo
    digitalWrite(ledKuning, HIGH); // LED kuning menyala
    tone(buzzerPin, 1000); // Bunyikan buzzer (frekuensi 1000 Hz)
  } else {
    servo1.write(0); // Reset posisi servo
    digitalWrite(ledKuning, LOW); // Matikan LED kuning
    noTone(buzzerPin); // Matikan bunyi buzzer
  }
  
  if (digitalRead(buttonBiru) == LOW) {
    // Gerakkan servo 2
    servo2.write(120); // Contoh posisi servo
    digitalWrite(ledBiru, HIGH);
    tone(buzzerPin, 1500); // LED biru menyala
  } else {
    servo2.write(0); // Reset posisi servo
    digitalWrite(ledBiru, LOW); // Matikan LED biru
  }
  
  if (digitalRead(buttonMerah) == LOW) {
    // Gerakkan servo 3
    servo3.write(60); // Contoh posisi servo
    digitalWrite(ledMerah, HIGH); 
    tone(buzzerPin, 2000);// LED merah menyala
  } else {
    servo3.write(0); // Reset posisi servo
    digitalWrite(ledMerah, LOW); // Matikan LED merah
  }
  
  if (alarmActive && now.second() == 0) {
    // Implementasi alarm (misalnya, pada detik ke-0 setiap menit)
    tone(buzzerPin, 2000); // Bunyikan buzzer dengan frekuensi 2000 Hz
  }
  else {
    noTone(buzzerPin); // Matikan bunyi buzzer
  }
}