#include <WiFi.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <NTPClient.h>
#include <WiFiUdp.h>

// Replace with your network credentials (Wokwi provides a simulation Wi-Fi)
const char* ssid     = "Wokwi-GUEST";
const char* password = "";

// Define NTP Client to get time
WiFiUDP ntpUDP;
// Set the offset time in seconds to adjust for your timezone, for UTC+7, the offset is 7 * 3600 seconds
const long utcOffsetInSeconds = 7 * 3600;
NTPClient timeClient(ntpUDP, "pool.ntp.org", utcOffsetInSeconds, 60000);

// Define the LCD
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  // Initialize Serial Monitor
  Serial.begin(115200);

  // Initialize the LCD
  lcd.init();
  lcd.backlight();

  // Connect to Wi-Fi
  Serial.print("Connecting to ");
  Serial.println(ssid);
  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.println("WiFi connected.");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());

  // Initialize NTPClient
  timeClient.begin();
}

void loop() {
  timeClient.update();

  // Print time to Serial Monitor
  Serial.println(timeClient.getFormattedTime());

  // Set cursor to first position on the first row
  lcd.setCursor(0, 0);
  // Print time on the LCD
  lcd.print("Time: ");
  lcd.print(timeClient.getFormattedTime());

  delay(1000);
}