#include<Adafruit_MQTT.h>
#include<Adafruit_MQTT_Client.h>
#include<WiFi.h>
#include<WiFiClient.h>

#define server "io.adafruit.com"
#define port 1883
#define usr "aang_tejas"
#define key "aio_vlHi13FwtccEcxX8UNuhsE1Z3qpy"

WiFiClient tejas;
Adafruit_MQTT_Client mqtt(&tejas,server,port,usr,key);
Adafruit_MQTT_Subscribe tempu = Adafruit_MQTT_Subscribe(&mqtt,"aang_tejas/feeds/temp");


void setup(){
  Serial1.begin(115200);
 WiFi.begin("Wokwi-GUEST", "");

while (WiFi.status() != WL_CONNECTED) {
  delay(1000);
  Serial1.println("Connecting to WiFi...");
}
Serial1.println("Connected to WiFi!");

  Serial1.print("IP : ");
  Serial1.println(WiFi.localIP());
  mqtt.subscribe(&tempu);
 
  mqtt_check();

}
void loop(){
  mqtt_check();
Adafruit_MQTT_Subscribe *value;
while(value = mqtt.readSubscription(6000)){
  if (value == &tempu){
    Serial1.print("Temp : ");
    Serial1.println((char*)tempu.lastread);
}
}
}
void mqtt_check(){
  if(mqtt.connected()){
    Serial1.println("MQTT Conected !");
    return;
  }
int8_t ret;
while((ret = mqtt.connect())!=0){
  Serial1.println("Retrying Connection .......");
  mqtt.disconnect();
  delay(1000);
}
}