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

// LCD setup
LiquidCrystal_I2C lcd(0x27, 20, 4);

void setup() {
  lcd.init();
  lcd.backlight();
}

void loop() {

  // Format Data JSON
  const char* jsonData = R"({
    "welcomeMessage": "Selamat Datang",
    "di": "di",
    "masjid": "Attur an-na'im",

    "pengumuman": "Pengumuman!",
    "p1": "Pengajian pr:06.30Am",
    "p2": "Pengajian lk:13.00Pm",
    "p3": "Muroja'ah:15.30Pm"
  })";

  // Inisialisasi JSON data
  StaticJsonDocument<256> doc;
  DeserializationError error = deserializeJson(doc, jsonData);

  if (error) {
    lcd.setCursor(0, 0);
    lcd.print("JSON Error:");
    lcd.setCursor(0, 1);
    lcd.print(error.c_str());
    return;
  }

  // Extract Isi Data JSON
  const char* welcomeMessage = doc["welcomeMessage"];
  const char* di = doc["di"];
  const char* masjid = doc["masjid"];

  const char* pengumuman = doc["pengumuman"];
  const char* p1 = doc["p1"];
  const char* p2 = doc["p2"];
  const char* p3 = doc["p3"];

  // Menampilkan Isi Data
  lcd.setCursor(1, 0);
  lcd.print(welcomeMessage);

  lcd.setCursor(8, 1); 
  lcd.print(di); 
  
  lcd.setCursor(2, 2);
  lcd.print(masjid);
  

  delay(2000);
  lcd.clear();

  lcd.setCursor(3, 0);
  lcd.print(pengumuman);

  lcd.setCursor(0, 1); 
  lcd.print(p1); 
  
  lcd.setCursor(0, 2); 
  lcd.print(p2); 
  
  lcd.setCursor(0, 3);
  lcd.print(p3);

  delay(3000);
  lcd.clear();
}