#include "RTClib.h"
#include "DHT.h"
#include <LiquidCrystal.h>

RTC_DS1307 rtc;
#define DHTPIN 2
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

// Define LCD pins
const int rs = 12, en = 11, d4 = 5, d5 = 4, d6 = 3, d7 = 6;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

void setup() {
  Serial.begin(9600);
  delay(100);

  // Initialize the LCD
  lcd.begin(16, 2);

  if (!rtc.begin()) {
    lcd.clear();
    lcd.print("Couldn't find RTC");
    while (1);
  }

  if (!rtc.isrunning()) {
    lcd.clear();
    lcd.print("RTC is NOT running!");
    rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
  }

  dht.begin();

  // Display current date on LCD
  DateTime now = rtc.now();
  lcd.clear();
  lcd.print("Date: ");
  lcd.print(now.day(), DEC);
  lcd.print('/');
  lcd.print(now.month(), DEC);
  lcd.print('/');
  lcd.print(now.year(), DEC);
  lcd.setCursor(0, 1);
  lcd.print("Hello Everyone");
  delay(3000);
  lcd.clear();
}

void loop() {
  DateTime now = rtc.now();

  int h = dht.readHumidity();
  float t = dht.readTemperature();

  if (isnan(h) || isnan(t)) {
    lcd.clear();
    lcd.print("Failed to read");
    lcd.setCursor(0, 1);
    lcd.print("DHT sensor data!");
    delay(1000);
    lcd.clear();
    return;
  }

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Time: ");
  lcd.print(now.hour(), DEC);
  lcd.print(':');
  lcd.print(now.minute(), DEC);
  lcd.print(':');
  lcd.print(now.second(), DEC);
  lcd.setCursor(0, 2);
  lcd.print("Temp: ");
  lcd.print(t);
  lcd.print(" C");
  delay(1000);
}