/* Hello Wokwi! */

#include <LiquidCrystal_I2C.h>

#define UP_BUTTON 2
#define DOWN_BUTTON 3
#define BUZZER 4

int jam ;
int menit ;
int detik ;

int tanggal = 10;
int bulan = 3;
int tahun = 2023;


LiquidCrystal_I2C lcd(0x27, 20, 4);

void setup() {
  pinMode(UP_BUTTON, INPUT_PULLUP);
  pinMode(DOWN_BUTTON, INPUT_PULLUP);
  lcd.init();
  lcd.backlight();
  // lcd.setCursor(1, 0);
  // lcd.print("Hello, Wokwi!");
}


void jamManual() {
  detik ++;

  if (jam == 23 && menit == 59 && detik == 59) {
    jam = 0;
    menit = 0;
    detik = 0;
  }

  if (menit == 59 && detik == 59) {
    jam++;
    menit = 0;
    detik = 0;
  }

    if (detik == 59) {
    detik = 0;
    menit ++;
  }

  String formatJam = String(jam) + ":" + String(menit) + ":" + String(detik);

  // Serial.println(formatJam);
  lcd.setCursor(0, 1);
  lcd.print(formatJam);

  delay(1017);

}

void hariIni() {
  String formatDate = String(tanggal) + ":"+ String(bulan) + ":"+ String(tahun);
  lcd.setCursor(0, 0);
  lcd.print(formatDate);
}


void loop() {
  if (digitalRead(UP_BUTTON) == LOW) {
    jam ++; 
    digitalWrite(4, HIGH);  
    delay(100);
    digitalWrite(4, LOW);  
    delay(100);

  } else if (digitalRead(DOWN_BUTTON) == LOW) {
    menit ++;
    digitalWrite(4, HIGH);  
    delay(100);
    digitalWrite(4, LOW);  
    delay(100);
  }

  hariIni();
  jamManual();

  
}