include <WiFi.h>
#define NTP_SERVER "asia.pool.ntp.org"
#define UTC_OFFSET 7 * 3600
#define UTC_OFFSET_DST 0

#include <LiquidCrystal.h>
LiquidCrystal lcd(23, 22, 4, 2, 15, 5);
// int lcdColumns = 16;
// int lcdRows = 2;
// LiquidCrystal_I2C lcd(0x27, lcdColumns, lcdRows);

void printLocalTime(){
  struct tm timeinfo;
  if (!getLocalTime(&timeinfo)){
    Serial.println("Connection Err");
    return;
  }
  lcd.setCursor(0, 0);
  lcd.print("Online");
  lcd.setCursor(8, 0);
  lcd.print(&timeinfo, "%H:%M:%S");
  lcd.setCursor(0, 1);
  lcd.print(&timeinfo, "%d/%m/%Y   %Z");
}
void setup() {
  lcd.begin(16, 2);
  // put your setup code here, to run once:
  Serial.begin(115200);
  delay(10);
  Serial.print("Connecting to WiFi");
  WiFi.begin("Wokwi-GUEST", "");
  while (WiFi.status() != WL_CONNECTED){
    delay(200);
    Serial.print(".");
  }
  Serial.println("");
  Serial.println("WiFi connected");
  Serial.print("IP address:");
  Serial.println(WiFi.localIP());
  Serial.println("Updating time...");
  configTime(UTC_OFFSET, UTC_OFFSET_DST, NTP_SERVER);
}

void loop() {
  // put your main code here, to run repeatedly:

  printLocalTime();
  delay(500);
}