#include <WiFi.h>                  // Gunakan <ESP8266WiFi.h> jika pakai ESP8266
#include <HTTPClient.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <ArduinoJson.h>

// LCD 20x4
LiquidCrystal_I2C lcd(0x27, 20, 4);

// Ganti dengan SSID dan password WiFi kamu
const char* ssid = "Wokwi-GUEST";
const char* password = "";
// URL API JSON
const char* url = "https://dummyjson.com/users/1";

void setup() {
  Serial.begin(115200);
  lcd.init();
  lcd.backlight();

  lcd.setCursor(3, 0);
  lcd.print("Menghubungkan...");
  
  WiFi.begin(ssid, password);

  // Tunggu hingga terkoneksi
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  lcd.clear();
  lcd.setCursor(3, 0);
  lcd.print("WiFi Terkoneksi");
  delay(1000);

  // Ambil data dari URL
  if (WiFi.status() == WL_CONNECTED) {
    HTTPClient http;
    http.begin(url);

    int httpResponseCode = http.GET();

    if (httpResponseCode > 0) {
      String payload = http.getString();
      Serial.println(payload);

      StaticJsonDocument<512> doc;
      DeserializationError error = deserializeJson(doc, payload);

      if (!error) {
        const char* firstName = doc["firstName"];
        const char* lastName = doc["lastName"];
        int age = doc["age"];
        const char* phone = doc["phone"];

        lcd.clear();
        lcd.setCursor(2, 0);
        lcd.print("=== User Data ===");

        lcd.setCursor(0, 1);
        lcd.print("Nama: ");
        lcd.print(firstName);
        
        lcd.setCursor(0, 2);
        lcd.print("Usia: ");
        lcd.print(age);

        lcd.setCursor(0, 3);
        lcd.print("HP  : ");
        lcd.print(phone);
      } else {
        lcd.clear();
        lcd.setCursor(0, 0);
        lcd.print("JSON Parsing Err");
      }
    } else {
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("HTTP Error Code:");
      lcd.setCursor(0, 1);
      lcd.print(httpResponseCode);
    }

    http.end();
  } else {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("WiFi Error");
  }
}

void loop() {
  // Kosong
}