#define BLYNK_TEMPLATE_ID "TMPL6g5YI0XIr"
#define BLYNK_TEMPLATE_NAME "IOT Simulator 5"
#define BLYNK_AUTH_TOKEN "sPvjNLypZvP_9JrS2u2OWAz5CG2qa6yv"
#define BLYNK_PRINT Serial

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <DHT.h>

char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

BlynkTimer timer;
DHT dht(2, DHT22);
int pinled = 33;
int buzzerpin = 12;
int switchbuzz = 0;
int switchled = 0;

void myTone(int pin){
  ledcAttachPin(pin,0);
  ledcWriteNote(0, NOTE_F, 4);
}

void myNoTone(int pin){
  ledcDetachPin(pin);
}

BLYNK_WRITE(V1){
  int pin_value = param.asInt();
  Serial.println(pin_value);
  if(pin_value == 1){
    switchled = 1;
  }else{
    switchled = 0;
  }
}

BLYNK_WRITE(V3) {
  int pinData = param.asInt();
  Serial.println(pinData);
  if(pinData == 1){
    switchbuzz = 1;
  }else{
    switchbuzz = 0;
  }
}

void sendSensor(){
  float temp = dht.readTemperature();
  float hum = dht.readHumidity();

  if(temp >= 40 || hum <= 20){
    if(switchbuzz == 1){
      myTone(buzzerpin);
      delay(1000);
    }else{
      myNoTone(buzzerpin);
      delay(1000);
    }
    if(switchled == 1){
      digitalWrite(pinled, HIGH);
      Blynk.virtualWrite(V2, "LED IS ON");
    }else{
      digitalWrite(pinled, LOW);
      Blynk.virtualWrite(V2, "LED IS OFF");
    }
  }else{
    digitalWrite(pinled, LOW);
    myNoTone(buzzerpin);
    delay(1000);
  }
  Blynk.virtualWrite(V4, temp);
  Blynk.virtualWrite(V5, hum);
  Serial.print("Temperature : ");
  Serial.println(temp);
  Serial.print("Humidity : ");
  Serial.println(hum);
}

void setup() {
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(buzzerpin, OUTPUT);
  pinMode(pinled, OUTPUT);
  dht.begin();
  Blynk.begin(auth, ssid, pass);
}

void loop() {
  delay(10);
  sendSensor();
  Blynk.run();
  timer.run();
}