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

LiquidCrystal_I2C lcd(0x27, 16, 2);

//wifi
const char *ssid     = "Wokwi-GUEST";
const char *password = "";


//ntp
WiFiUDP ntpUDP;
NTPClient timeClient(ntpUDP, "asia.pool.ntp.org", 28800, 60000);


//led pin 
//const led 
const int led_red = 16; //red led on pin 19
const int led_green = 4; //red yellow on pin 18


//timesetup
const int Second = 30;


void setup() {  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  lcd.init();
  lcd.backlight();

 //Setup Awal Ketika Running
 lcd.setCursor(0,0);
 lcd.print("test v1");
 lcd.setCursor(0,1);
 lcd.print("By Nasrul_2023");
 delay(40);
 lcd.clear();
 //led pin
 pinMode(led_red, OUTPUT); // initialize digital ledPin as an output.
 pinMode(led_green, OUTPUT); // initialize digital ledPin as an output.


//wifi start
WiFi.begin(ssid, password);
  while ( WiFi.status() != WL_CONNECTED ) {
    delay ( 50 );
    Serial.print ( "." );
  }
//ntp start
  timeClient.begin();

}

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

    //ntp display time on lcd
  timeClient.update();
  Serial.println(timeClient.getFormattedTime());
  //delay(1000);
  lcd.setCursor(0,0);
  lcd.print("Masa:");
  lcd.print(timeClient.getFormattedTime());
  lcd.setCursor(0,1);
  lcd.print("Matrix:19DTK22Fxx");
  // this speeds up the simulation
 
if(timeClient.isTimeSet()) {
    if (Second <= timeClient.getSeconds()) {
      digitalWrite(led_red, HIGH);
      digitalWrite(led_green, LOW);
    }
  }
if(timeClient.isTimeSet()) {
    if (Second > timeClient.getSeconds()) {
      digitalWrite(led_red, LOW);
      digitalWrite(led_green, HIGH);
    }
  }
delay(10);
}