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

const char* ssid = "Wokwi-GUEST";
const char* password = "";
const char* mqttServer = "161.132.41.13";
const int mqttPort = 1883;

WiFiClient espClient;
PubSubClient client(espClient);

const int POT1_PIN = 34;
const int POT2_PIN = 35;

unsigned long previousMillis = 0;
const long interval = 500;  // Intervalo de lectura cada 0.5 segundos

void setup_wifi() {
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
  }
}

void setup() {
  Serial.begin(115200);
  setup_wifi();
  client.setServer(mqttServer, mqttPort);
}

void loop() {
  if (!client.connected()) {
    client.connect("ESP32Client");
  }
  client.loop();

  unsigned long currentMillis = millis();
  if (currentMillis - previousMillis >= interval) {
    previousMillis = currentMillis;

    int potValue1 = analogRead(POT1_PIN);
    int potValue2 = analogRead(POT2_PIN);

    char message[100];
    snprintf(message, 100, "{\"Pot1\": %d, \"Pot2\": %d}", potValue1, potValue2);
    client.publish("esp32/pots", message);
  }
}