#include <WiFi.h>
#include <MQTT.h>

WiFiClient net;
MQTTClient Client;

const char ssid[]="Wokwi-GUEST";
const char pass[]="";

const int pinRed   = 2;
const int pinGreen = 4;
const int pinBlue  = 17; 

void setup() {
  pinMode(pinRed, OUTPUT);
  pinMode(pinGreen, OUTPUT);
  pinMode(pinBlue, OUTPUT);
  Serial.begin(9600);

  WiFi.begin(ssid,pass);
  Client.begin("broker.emqx.io", net);
  Client.onMessage(subscribe);
  reconnect();
  
}

void loop() {
  Client.loop();
  if(!Client.connected()){
    reconnect();
  }
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}

void rgb(bool red, bool green, bool blue){
  digitalWrite(pinRed, red);
  digitalWrite(pinGreen, green);
  digitalWrite(pinBlue, blue);
}

void reconnect(){
  rgb(1,0,0); //merah
  // Serial.println("merah");
  while (WiFi.status() != WL_CONNECTED){
    delay(500);
  }
 rgb(0,1,0);
 while (!Client.connect("Client-connnect-01")){
  delay(500);
 }
 rgb(0,0,1); //biru
 Client.subscribe("kelasiot/#", 1);
}

void subscribe(String &topic, String &data){
  Serial.print("Topic =");
  Serial.println(topic);
  Serial.print("Data =");
  Serial.println(data);
}