#if defined(ESP8266)
#include <ESP8266WiFi.h>
#elif defined(ESP32)
#include <WiFi.h>
#endif

#define WIFI_SSID           "Wokwi-GUEST"
#define WIFI_PASSWORD       ""

#define SERIAL_DEBUG_BAUD   115200

#define LED 2
#define button 13
// the Wifi radio's status
int status = WL_IDLE_STATUS;

void cekKoneksi()
{
  if (digitalRead(button) == HIGH){
 Serial.println("Initializing WiFi...");
  WiFi.mode(WIFI_STA);
  Serial.println("Setup done!");
 Serial.println("Scanning...");

  // WiFi.scanNetworks will return the number of networks found
  int n = WiFi.scanNetworks();
  Serial.println("Scan done!");
  if (n == 0) {
    Serial.println("No networks found.");
  } else {
    Serial.println();
    Serial.print(n);
    Serial.println(" networks found");
    for (int i = 0; i < n; ++i) {
      // Print SSID and RSSI for each network found
      Serial.print(i + 1);
      Serial.print(": ");
      Serial.print(WiFi.SSID(i));
      Serial.print(" (");
      Serial.print(WiFi.RSSI(i));
      Serial.print(")");
      Serial.println((WiFi.encryptionType(i) == WIFI_AUTH_OPEN) ? " " : "*");
      delay(10);
    }
  }
  Serial.println("");

  // Wait a bit before scanning again
  delay(5000);
  Serial.println("Connecting to AP ...");

  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED) {

    delay(500);
    Serial.print(".");
  }
  Serial.println("Connected to AP");
  digitalWrite(LED, HIGH);
  delay(500);
}
  }

void reconnect() {
 if (digitalRead(button) == HIGH){
  status = WiFi.status();
  if ( status != WL_CONNECTED) {
    WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
    while (WiFi.status() != WL_CONNECTED) {
      delay(500);
      Serial.print(".");
    }
    Serial.println("Connected to AP");
    digitalWrite(LED, HIGH);
    delay(500);
  }
}
}

void setup() {
  // initialize serial for debugging
  Serial.begin(SERIAL_DEBUG_BAUD);
  Serial.println();
  
  pinMode(LED, OUTPUT);
  pinMode(button, INPUT);
}

void loop() {
  delay(1000);
 cekKoneksi();
  if (WiFi.status() != WL_CONNECTED) {
    reconnect();
  }
  else {
    Serial.print("WiFi sudah terkoneksi dengan ");
    Serial.println(WIFI_SSID);
    Serial.print("IP: ");
    Serial.println(WiFi.localIP());
    digitalWrite(LED, HIGH);
    delay(200);
    digitalWrite(LED, LOW);
  }
}