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

RTC_DS1307 rtc;
LiquidCrystal_I2C lcd(0x27, 16, 2);  // Change the address (0x27) accordingly

const int buttonHour = 2;  // Pin for setting the hour
const int buttonMinute = 3;  // Pin for setting the minute

int alarmHour = 16;  // Set your desired alarm time
int alarmMinute = 55;

void setup() {
  Serial.begin(9600);
  Wire.begin();  // Initialize I2C communication

  initializeRTC();
  initializeLCD();
  initializeButtons();
}

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

  displayTime(now);
  displayAlarmTime();

  checkAndDisplayGoodMorning(now);

  updateAlarmTime();
  delay(1000);  // Update every second
}

void initializeRTC() {
  if (!rtc.begin()) {
    Serial.println("Couldn't find RTC");
    while (1);
  }
  // Uncomment the following line if you want to set the time on startup
  // rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
}

void initializeLCD() {
  lcd.begin(16, 2);
  lcd.print("Alarm Clock");
  delay(2000);
  lcd.clear();
}

void initializeButtons() {
  pinMode(buttonHour, INPUT_PULLUP);
  pinMode(buttonMinute, INPUT_PULLUP);
}

void displayTime(DateTime currentTime) {
  lcd.setCursor(0, 0);
  lcd.print("Time: ");
  lcd.print(currentTime.hour(), DEC);
  lcd.print(':');
  lcd.print(currentTime.minute(), DEC);
  lcd.print(':');
  lcd.print(currentTime.second(), DEC);
}

void displayAlarmTime() {
  lcd.setCursor(0, 1);
  lcd.print("Alarm: ");
  lcd.print(alarmHour, DEC);
  lcd.print(':');
  lcd.print(alarmMinute, DEC);
}

void checkAndDisplayGoodMorning(DateTime currentTime) {
  if (currentTime.hour() == alarmHour && currentTime.minute() == alarmMinute) {
    lcd.clear();
    lcd.print("Good Morning!");
    delay(5000);  // Display the message for 5 seconds
    lcd.clear();
  }
}

void updateAlarmTime() {
  if (digitalRead(buttonHour) == LOW) {
    delay(200);  // Debounce
    alarmHour = (alarmHour + 1) % 24;
  }

  if (digitalRead(buttonMinute) == LOW) {
    delay(200);  // Debounce
    alarmMinute = (alarmMinute + 1) % 60;
  }
}