#include <PubSubClient.h>
#include <WiFi.h>

WiFiClient espClient;
PubSubClient MQTT_CLIENT;

void setup() {
  Serial.begin(9600);

  pinMode(34, INPUT);
  pinMode(18, INPUT);

  WiFi.begin("Wokwi-GUEST", "", 6);

  while(WiFi.status() != WL_CONNECTED){
    Serial.print(".");
    delay(500);
  }
  Serial.println("\nWiFi connected IP: ");
  Serial.println(WiFi.localIP());
}

void loop() {
  
  if(!MQTT_CLIENT.connected())
    reconnect();

  char pot[5];
  String(analogRead(34)).toCharArray(pot, 5);
  MQTT_CLIENT.publish("bymikiiiPOT", pot);
  Serial.println("POT:");
  Serial.println(pot);

  char swi[2];
  String(digitalRead(18)).toCharArray(swi,2);
  MQTT_CLIENT.publish("bymikiiiSWITCH", swi);
  Serial.println("SWITCH:");
  Serial.println(swi);

 char rand[2];
  String(random(1, 7)).toCharArray(rand, 2);
  MQTT_CLIENT.publish("bymikiiiRAND", rand);
  Serial.println("RANDOM:");
  Serial.println(rand);

  swi[0] = ' ';
  swi[1] = ' ';

  delay(500);
}

void reconnect(){

  MQTT_CLIENT.setServer("broker.hivemq.com", 1883);
  MQTT_CLIENT.setClient(espClient);

  while(!MQTT_CLIENT.connected())
  {
    Serial.println("PRIPAJANIE...");
    MQTT_CLIENT.connect("bymikiii");
    delay(3000);
  }
  Serial.println("USPESNE");

}