#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",
    "program": "Program Studi",
    "department": "TRM",
    "institution": "Politeknik Boash",
    "createdBy": "Create By",
    "author": "Deni Pangale"
  })";

  // 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* program = doc["program"];
  const char* department = doc["department"];
  const char* institution = doc["institution"];
  const char* createdBy = doc["createdBy"];
  const char* author = doc["author"];

  // Menampilkan Isi Data
  lcd.setCursor(2, 0);
  lcd.print(welcomeMessage);

  lcd.setCursor(1, 1); 
  lcd.print(program); 
  
  lcd.setCursor(8, 2);
  lcd.print(department);
  
  lcd.setCursor(2, 3);
  lcd.print(institution);

  delay(2000);
  lcd.clear();

  lcd.setCursor(4, 0); 
  lcd.print(createdBy); 
  
  lcd.setCursor(3, 1);
  lcd.print(author);

  delay(2000);
  lcd.clear();
}