#include <WiFi.h>
// WiFiClient client;

String ssid = "Wokwi-GUEST";
String password = "";

void connect_wifi() {
  // Connect to Wi-Fi network
  Serial.println("Connecting to wifi: " + String(ssid));
  WiFi.begin(ssid, password);
  int retries = 5;
  while (WiFi.status() != WL_CONNECTED && retries) {
    Serial.print(". ");
    delay(1000);
    retries--;
  }
  if (WiFi.status() == WL_CONNECTED) {
    Serial.println("\nWiFi connected successfully!!");
  } else {
    Serial.println("\nWiFi connection failed\n");
  }
}

void inputCreds() {
  Serial.print("\nEnter SSID: ");
  while (!Serial.available());
  // Read the SSID from the serial port
  ssid = Serial.readStringUntil('\n');
  Serial.print("\"" + String(ssid) + "\"");

  Serial.print("\nEnter password: ");
  while (!Serial.available());
  // Read the password from the serial port
  password = Serial.readStringUntil('\n');
  Serial.println("\"" + String(password) + "\"");
}

void handleWifi() {
  Serial.println("Stored Wifi Credentials:-");
  Serial.println("SSID: " + String(ssid) + ", Password: " + String(password) );
  Serial.print("Do you want to change wifi credentials? ");
  while (!Serial.available());
  char command = Serial.read();  // Read the command character
  while (Serial.available()) Serial.read();
  Serial.println(command);
  if (command == 'y') {
    inputCreds();
  }
  // Call connect_wifi with the received SSID and password
  connect_wifi();
}

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  WiFi.disconnect();  //Disconnect from previously connected wifi
  Serial.println("\nWifi disconnected");

  delay(200);

  WiFi.mode(WIFI_STA);  //STAtion mode: the ESP8266 connects to an access point
  while (WiFi.status() != WL_CONNECTED) {
    handleWifi();
  }
}

void loop() {
  Serial.println("Done");
  delay(2000); // this speeds up the simulation
}