#include <WiFi.h>
#include "AdafruitIO_WiFi.h"

#define LED_PIN 21    
  
#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASS ""

#define IO_USERNAME  "Priyarat"
#define IO_KEY "aio_lHte86dRJVsO8TWMUzsm6TNOUQcr"

AdafruitIO_WiFi io(IO_USERNAME, IO_KEY, WIFI_SSID, WIFI_PASS);
AdafruitIO_Feed *led1Feed = io.feed("Control");

void handleLed1(AdafruitIO_Data *data);

void setup() {
  Serial.begin(115200);
  pinMode(LED_PIN, OUTPUT);
  Serial.print("Connecting to Adafruit IO");

  io.connect();

  while(io.status() < AIO_CONNECTED) {
    Serial.print(".");
    delay(500);
  }
  Serial.println("\nConnected to Adafruit IO!");

  led1Feed->onMessage(handleLed1);
  led1Feed->get();
}

void loop() {
  io.run();
}

void handleLed1(AdafruitIO_Data *data) {
  String value = data->value(); value.trim(); value.toUpperCase();
  Serial.print("LED1 Received: "); Serial.println(value);

  if (value == "1") {
    digitalWrite(LED_PIN, HIGH);
    Serial.println("LED ON");
  } else if(value == "0") {
    digitalWrite(LED_PIN, LOW);
    Serial.println("LED OFF");
  }else {
    Serial.println("Error 404 not found");
  }
}