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

const int DHT_PIN = 15;
DHTesp dht; 

// Update these with values suitable for your network.

const char* ssid = "Wokwi-GUEST";
const char* password = "";
const char* mqtt_server = "test.mosquitto.org";

WiFiClient espClient;
PubSubClient client(espClient);
unsigned long lastMsg = 0;
float temp = 0;
float hum = 0;



void setup() {
  pinMode(2, OUTPUT);     // inisialisasi pin 2 / ledbuiltin sebagai output
  Serial.begin(115200);
  setup_wifi(); //memanggil void setup_wifi untuk dieksekusi
  client.setServer(mqtt_server, 1883); //perintah connecting / koneksi awal ke broker
  client.setCallback(callback); //perintah menghubungkan ke mqtt broker untuk subscribe data
  dht.setup(DHT_PIN, DHTesp::DHT22);//inisialiasi komunikasi dengan sensor dht22
}

void loop() {
  if (!client.connected()) {
    reconnect();
  }
  client.loop();

  unsigned long now = millis();
  if (now - lastMsg > 2000) { //perintah publish data
    lastMsg = now;
    TempAndHumidity  data = dht.getTempAndHumidity();

    String temp = String(data.temperature, 2); //membuat variabel temp untuk di publish ke broker mqtt
    client.publish("/indobot/p/temp", temp.c_str()); //publish data dari varibel temp ke broker mqtt
    
    String hum = String(data.humidity, 1); //membuat variabel hum untuk di publish ke broker mqtt
    client.publish("/indobot/p/hum", hum.c_str()); //publish data dari varibel hum ke broker mqtt

    Serial.print("Temperature: ");
    Serial.println(temp);
    Serial.print("Humidity: ");
    Serial.println(hum);
  }
}