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

const char * mqtt_id = "8393d86d-5435-4bb9-b49d-4821ca47b6b8";

#include <FirebaseESP32.h>

int postId=0;
#define FIREBASE_HOST "https://smartgroupproject-4ff0b-default-rtdb.firebaseio.com"
#define FIREBASE_AUTH "AIzaSyCduntnKaia7miCnEOGIUxg2dRblgIxtcE"
#define DHTPIN 12

#define DHTTYPE DHT22 

DHT dht(DHTPIN, DHTTYPE);

FirebaseData firebaseData;
FirebaseJson json;

void setup_wifi() 
{
  Serial.println("Connecting to SSID: Wokwi-GUEST");
  WiFi.begin("Wokwi-GUEST", "");
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.print("WiFi connected");
  Serial.print(", IP address: ");
  Serial.println(WiFi.localIP());

  pinMode(13, OUTPUT);
}
void setup(){
  Serial.begin(115200);
  Serial.println("DHT22 test!");
    pinMode(14, OUTPUT);
    pinMode(27, OUTPUT);
    pinMode(26, OUTPUT);

  setup_wifi();

  Firebase.begin(FIREBASE_HOST, FIREBASE_AUTH);
  Firebase.reconnectWiFi(true);

}


void loop(){


  float h = dht.readHumidity();
 
  float t = dht.readTemperature();
 
  float f = dht.readTemperature(true);

  if (isnan(h) || isnan(t) || isnan(f)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }

  postId=postId+1;
  Firebase.setInt(firebaseData, "/Temperature", t);
  Firebase.setInt(firebaseData, "/Humidity", h);

  Serial.println("set data done!");
  delay(2000);

   // Check if the buzzer status has been changed
  if (Firebase.getInt(firebaseData, "/Status") == 1) {
    // Turn on the buzzer
    //digitalWrite(15, HIGH);
    tone(15, 0, 0);
    
  } 
  else if (Firebase.getInt(firebaseData, "/Status") == 0) {
    // Turn off the buzzer
    //digitalWrite(15, LOW);
    tone(15, 262, 250);
  }

  // Delay for 1 second
  //delay(1000);

  
  float hif = dht.computeHeatIndex(f, h);
  
  float hic = dht.computeHeatIndex(t, h, false);

  Serial.print(F("Humidity: "));
  Serial.print(h);
  Serial.print(F("%  Temperature: "));
  Serial.print(t);
  Serial.print(F("°C "));
  Serial.print(f);
  Serial.print(F("°F  Heat index: "));
  Serial.print(hic);
  Serial.print(F("°C "));
  Serial.print(hif);
  Serial.println(F("°F"));

 

  if(h<20 && t<18){
   digitalWrite(26, HIGH);
   digitalWrite(27, LOW);
   digitalWrite(14, LOW);
  }
  else if(h<30 && t<30)
  {
    digitalWrite(27, HIGH);
    digitalWrite(14, LOW);
    digitalWrite(26, LOW);
  }
  else
  {
    digitalWrite(14, HIGH);
    delay(30);
    digitalWrite(14, LOW);
    delay(1);

    digitalWrite(26, LOW);
    digitalWrite(27, LOW);

    //tone(15, 262, 250);
  }

}