#define BLYNK_TEMPLATE_ID "TMPL6uBabT0ZY"
#define BLYNK_TEMPLATE_NAME "Bluetooth Wifi Fan"
#define BLYNK_AUTH_TOKEN "SpW8eZgPZflL883W4zlx0MGFJ6-k_3mp"
/* Comment this out to disable prints and save space */
#define BLYNK_PRINT Serial

#define trigPin 14
#define echoPin 12
#define LED1 12
#define LED2 14
#define LED3 27
#define LED_STATE 33


#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <ESP32Servo.h>

// Your WiFi credentials.
// Set password to "" for open networks.
char auth[] = "SpW8eZgPZflL883W4zlx0MGFJ6-k_3mp";
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
int status; // 0=OFF // 1=ON

Servo myServo;
BlynkTimer timer;

void setup()
{
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);
  pinMode(LED_STATE, OUTPUT);
  Serial.begin(115200);
  myServo.attach(25);
  myServo.write(0-180);
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
}

BLYNK_CONNECTED() 
{
  Blynk.syncAll();
}

BLYNK_WRITE(V0) // ON_OFF button
{
  int p = param.asInt();
  if(p == 1)
  {
    digitalWrite(LED_STATE, HIGH);
    status = 1;
    Serial.print("Fan on\n");
  }
  else 
  {
    digitalWrite(LED_STATE, LOW);
    status = 0;
    digitalWrite(LED1, LOW);
    digitalWrite(LED2, LOW);
    digitalWrite(LED3, LOW);
    Serial.print("Fan off\n");
  }
}

BLYNK_WRITE(V1) // Speed
{
  if(status == 1)
  {
    int p = param.asInt();
    myServo.write(p);
  }
}

BLYNK_WRITE(V2) // Speed
{
  if(status == 1)
  {
    int p = param.asInt();
    if(p == 1)
    {
      digitalWrite(LED1, LOW);
      digitalWrite(LED2, LOW);
      digitalWrite(LED3, LOW);
      delay(10);
      digitalWrite(LED1, HIGH);
      Serial.print("Speed: Minimum\n");
    }
    else if(p == 2)
    {
      digitalWrite(LED1, LOW);
      digitalWrite(LED2, LOW);
      digitalWrite(LED3, LOW);
      delay(10);
      digitalWrite(LED1, HIGH);
      digitalWrite(LED2, HIGH);
      Serial.print("Speed: Medium\n");
    }
    else if(p == 3)
    {
      digitalWrite(LED1, LOW);
      digitalWrite(LED2, LOW);
      digitalWrite(LED3, LOW);
      delay(10);
      digitalWrite(LED1, HIGH);
      digitalWrite(LED2, HIGH);
      digitalWrite(LED3, HIGH);
      Serial.print("Speed: Maximum\n");
    }
  }
}

void loop()
{
  Blynk.run();
  timer.run();
}