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

#define CLK 8  // Define the clock pin for TM1637
#define DIO 7  // Define the data pin for TM1637
#define PIN_TRIG 2
#define PIN_ECHO 3
#define ledPin 13

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

void setup() {
  Serial.begin(9600);
  pinMode(PIN_TRIG, OUTPUT);
  pinMode(PIN_ECHO, INPUT);
  pinMode(ledPin, OUTPUT);

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

  // Display name and ID on LCD
  lcd.setCursor(0, 0);
  lcd.print("ANDITTA DZIKMAH F.AZ");
  lcd.setCursor(0, 1);
  lcd.print("230205601008");
  delay(3000);
  lcd.clear();
}

void loop() {
  // Ultrasonic sensor measurement
  digitalWrite(PIN_TRIG, LOW);
  delayMicroseconds(2);
  digitalWrite(PIN_TRIG, HIGH);
  delayMicroseconds(10);
  digitalWrite(PIN_TRIG, LOW);
  long duration = pulseIn(PIN_ECHO, HIGH);
  int distance = duration / 58;
  
  // Display distance on 7-segment display
  display.showNumberDec(distance);

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

  // Display time on LCD
  lcd.setCursor(0, 0);
  lcd.print(now.hour());
  lcd.print(':');
  lcd.print(now.minute());
  lcd.print(':');
  lcd.print(now.second());

  // Check LED condition
  if (distance > 100 || now.second() < 15) {
    digitalWrite(ledPin, HIGH);
    lcd.setCursor(0, 1);
    lcd.print("LED: NYALA");
  } else {
    digitalWrite(ledPin, LOW);
    lcd.setCursor(0, 1);
    lcd.print("LED: MATI ");
  }

  delay(1000);
}