#include <TM1637TinyDisplay.h>
#include <Wire.h>
#include <RTClib.h>
#include <LiquidCrystal_I2C.h>

#define CLK 8  
#define DIO 7  
#define PIR_PIN 2  
#define LED_PIN 13  

TM1637TinyDisplay display(CLK, DIO);
RTC_DS1307 rtc;
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  Serial.begin(9600);
  pinMode(PIR_PIN, INPUT);
  pinMode(LED_PIN, OUTPUT);

  Wire.begin();
  rtc.begin();
  display.begin();
  lcd.init();
  lcd.backlight();

  // Display name and ID on LCD
  lcd.setCursor(0, 0);
  lcd.print("NAMA");
  lcd.setCursor(0, 1);
  lcd.print("NIM");
  delay(3000);
  lcd.clear();
}

void loop() {
  // Baca status sensor PIR
  int pirState = digitalRead(PIR_PIN);

  // Get current time from RTC
  DateTime now = rtc.now();
  int seconds = now.second();

  // Display time on 7-segment display in HHMM format
  display.showNumberDec(now.hour() * 100 + now.minute(), true);

  // Display PIR sensor state on LCD
  lcd.setCursor(0, 0);
  if (pirState == HIGH) {
    lcd.print("SENSOR: ADA    ");
  } else {
    lcd.print("SENSOR: TIDAK  ");
  }

  // Check LED condition
  lcd.setCursor(0, 1);
  if (pirState == HIGH || seconds < 14) {
    digitalWrite(LED_PIN, HIGH);
    lcd.print("LED: NYALA     ");
  } else {
    digitalWrite(LED_PIN, LOW);
    lcd.print("LED: MATI      ");
  }

  delay(1000);
}