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

const char* ssid = "Wokwi-GUEST";
const char* password = "";
const char* mqtt_server = "test.mosquitto.org";
const char* topik = "mechanic/sensor"; // HARAP DIGANTI SESUAI MASING MASING TOPIKNYA


WiFiClient espClient;
PubSubClient client(espClient);
char kata[50];
int angka;



void setup() {
  Serial.begin(115200);
  setup_wifi();
  client.setServer(mqtt_server, 1883);
  pinMode(34, INPUT);

}



void loop() {
  //=============tidak usah diubahubah
  if (!client.connected()) {reconnect();}
  client.loop();
  //===================================

    angka=analogRead(34);
    angkakekarakter(angka);
    Serial.print("Kirim Ke MQTT Server : ");
    Serial.println(kata);
    client.publish(topik, kata);  //yang perlu diganti disesuakan
    delay(5000);
  }




//=================dibawah ini tidak usah dipikirkan=======

void setup_wifi() {
  delay(10);
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  randomSeed(micros());
  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}

void reconnect() {
  while (!client.connected()) {
    Serial.print("Attempting MQTT connection...");
    String clientId = "ESP8266Client-";
    clientId += String(random(0xffff), HEX);
    if (client.connect(clientId.c_str())) {
      Serial.println("connected");
    } else {
      Serial.print("failed, rc=");
      Serial.print(client.state());
      Serial.println(" try again in 5 seconds");
      delay(5000);
    }
  }
}

void angkakekarakter (int masuk) {
     snprintf (kata, 50, "%d", masuk);
  }