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

const char *ssid = "mySSID";
const char *password = "myPassword";
const char *mqttbroker = "broker.hivemq.com";
const char *clientID = "blk5#05-100";
int portno = 1883;

WiFiClient espClient;
PubSubClient client(espClient);

int light = 0; // Lighting: 0 = OFF; 1 = ON
int prese = 0; // Presence: 0 = ABSENT; 1 = PRESENT

void callback(const char *topic, byte* payload, unsigned int length) {
  // No subscription handling needed
}

void setup() {
  Serial.begin(115200);
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("WiFi connected");

  client.setServer(mqttbroker, portno);
  client.setCallback(callback);
  while (!client.connected()) {
    if (client.connect(clientID)) {
      Serial.println("Connected to MQTT broker");
    } else {
      delay(1000);
    }
  }

  // Assume GPIOs for light and prese are configured elsewhere
}

void loop() {
  client.loop();

  // Simulated sensor data updates (replace with actual digitalRead in real case)
  light = digitalRead(12); // e.g., D12 for light status
  prese = digitalRead(13); // e.g., D13 for presence status

  // Publish light status
  client.publish("estate/blk5/flr05/#05-100/living/light", String(light).c_str());

  // Publish presence status
  client.publish("estate/blk5/flr05/#05-100/living/prese", String(prese).c_str());

  delay(2000); // Publish every 2 seconds
}