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

// Inisialisasi LCD
LiquidCrystal_I2C lcd(0x27, 16, 2);

// Data WiFi
const char* ssid = "Redmi 13";
const char* password = "12345678";

void setup() {
  Serial.begin(115200);

  // Inisialisasi I2C ESP32
  Wire.begin(21, 22);      // SDA = GPIO21, SCL = GPIO22

  // Inisialisasi LCD
  lcd.init();
  lcd.backlight();

  // Tampilan awal
  lcd.setCursor(0, 0);
  lcd.print("Redmi 13");
  lcd.setCursor(0, 1);
  lcd.print("Connecting...");

  Serial.println("Menghubungkan WiFi...");

  // Mulai koneksi WiFi
  WiFi.begin(ssid, password);

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

  Serial.println();
  Serial.println("WiFi Connected!");
  Serial.print("IP Address : ");
  Serial.println(WiFi.localIP());

  // Tampilkan status di LCD
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("WiFi Connected");

  lcd.setCursor(0, 1);
  lcd.print(WiFi.localIP());
}

void loop() {

  // Jika WiFi terputus, coba sambungkan kembali
  if (WiFi.status() != WL_CONNECTED) {

    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("WiFi Lost");
    lcd.setCursor(0, 1);
    lcd.print("Reconnecting");

    WiFi.reconnect();

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

    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Connecting");
    lcd.setCursor(0, 1);
    lcd.print(WiFi.localIP());
  }

  delay(1000);
}