#include <WiFi.h>
#include <MQTT.h>
#include "DHT.h"

const char ssid[] = "Wokwi-GUEST";
const char pass[] = "";

// Inisialisasi pin LED
const int led1 = 25;

WiFiClient net;
MQTTClient client;

#define DHT22Pin 5

DHT dht(DHT22Pin, DHT22);

unsigned long lastMillis = 0;

void connect(){
  // Menghubungkan ke WiFi
  Serial.print("Cek WiFi");
  while(WiFi.status() != WL_CONNECTED){
    Serial.print(".");
    delay(1000);
  }
  Serial.println("");
  Serial.println("Sukses Terhubung ke WiFi");

  // Menghubungkan ke Broker
   // subcribe dengan QoS 1
}


void loop(){
  float suhu = dht.readTemperature();
  if (suhu > 26) {
    digitalWrite(led1, HIGH);
  } else {
    digitalWrite(led1, LOW);
  }
  
  client.loop();
  broconnect();//connect ulang ke broker
  // publish a message roughly every second.
 if (millis() - lastMillis > 10000) {
    lastMillis = millis();
    publish();
  }
  delay(10000);
}

void publish(){
  float hum = dht.readHumidity();
  float temp = dht.readTemperature();
  Serial.print("Temperature : ");
  Serial.print(temp);
  Serial.print(" C ");
  Serial.print("Humidity : ");
  Serial.print(hum);
  Serial.println(" % ");
  client.publish("syifakipas/iot/dht/temp", String(temp), true, 1); // 
  client.publish("syifakipas/iot/dht/humi", String(hum), true, 1); // publish variabel humidity ke topic rumah/iot/humi dengan QoS 1

}


void setup() {
  // Set pin LED sebagai output
  pinMode(led1, OUTPUT);
  dht.begin();

  Serial.begin(9600);
  WiFi.begin(ssid, pass);
  connect();
  broconnect();
}

void broconnect(){
  client.begin("test.mosquitto.org",net);
  Serial.print("Cek Broker");
  while(!client.connect("")){ // Client ID boleh dikosongkan
    Serial.print(".");
    delay(1000);
  }
  Serial.println("");
  Serial.println("Sukses Terhubung ke Server"); 
  client.subscribe("syifakipas/iot/#", 1);
}