#include "WiFi.h"
void setup() {
  Serial.begin(115200);
  // Set WiFi to station mode and disconnect from an AP if it was previously connected
  WiFi.mode(WIFI_STA);
  WiFi.disconnect();
  delay(100);
  Serial.println("Setup done");
}

void loop() {
  if (WiFi.status() == WL_CONNECTED) {
    return;
  }
  Serial.println("scan start");
  // 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.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("\nWhat Network would you like to join?");

  while (Serial.available() == 0) {
  }

  int menuChoice = Serial.parseInt();

  String ssid = WiFi.SSID(menuChoice - 1);

  Serial.println(ssid);


  while(Serial.available() == 0){
  }

  String password;

  if(WiFi.encryptionType(menuChoice - 1) == 0){
    password = "";
  }
  else {
    Serial.println("Please enter your password: ");
    password = Serial.readString();
  }


  WiFi.begin(ssid,password);
  
  Serial.print("Connecting to WiFi");
  
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.print(".");
  }
  
  Serial.println("\nConnected to WiFi");


  // Wait a bit before scanning again
  delay(5000);
}