#include <FastBot.h>

#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASS ""
#define BOT_TOKEN "*****"
FastBot bot(BOT_TOKEN);
const int ledPin = 5;
void setup() {
  pinMode(ledPin, OUTPUT);
  connectWiFi();
  bot.attach(newMsg);
}

// обробник повідомлень
void newMsg(FB_msg& msg) {
  if (msg.text == "/say_hello") bot.sendMessage("Hello!", msg.chatID);
  else if (msg.text == "/led_on") digitalWrite(ledPin, HIGH);
  else if (msg.text == "/led_off") digitalWrite(ledPin, LOW);
}

void loop() {
  bot.tick();
}

void connectWiFi() {
  delay(2000);
  Serial.begin(115200);
  Serial.println();

  WiFi.begin(WIFI_SSID, WIFI_PASS);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
    if (millis() > 15000) ESP.restart();
  }
  Serial.println("Connected");
}