#define BLYNK_PRINT Serial

#define BLYNK_TEMPLATE_ID "TMPL6ZBbPZfyy"
#define BLYNK_TEMPLATE_NAME "led and buzzer"
#define BLYNK_AUTH_TOKEN "IgVDWPPiHrLC-T5ZEQveeuPKvpYMbKFM"

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

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

BlynkTimer timer;

#define LED1 13  // red
#define LED2 2   // yellow 
#define LED3 5   // green 
#define LED4 4   // blue
#define BUZZER 12 // Buzzer
#define BUZZER_FREQUENCY 1000 // Buzzer frequency in Hz

int SW_State_M = 0;
int SW_State_K = 0;
int SW_State_H = 0;
int SW_State_A = 0; // State for additional LED
int SW_State_Buzzer = 0; // State for buzzer

BLYNK_WRITE(V0)
{
  SW_State_M = param.asInt();
  digitalWrite(LED1, SW_State_M);
  Serial.println(SW_State_M ? "RED ON" : "RED OFF");
  Blynk.virtualWrite(V1, SW_State_M);
}

BLYNK_WRITE(V2)
{
  SW_State_K = param.asInt();
  digitalWrite(LED2, SW_State_K);
  Serial.println(SW_State_K ? "YELLOW ON" : "YELLOW OFF");
  Blynk.virtualWrite(V3, SW_State_K);
}

BLYNK_WRITE(V4)
{
  SW_State_H = param.asInt();
  digitalWrite(LED3, SW_State_H);
  Serial.println(SW_State_H ? "GREEN ON" : "GREEN OFF");
  Blynk.virtualWrite(V5, SW_State_H);
}

BLYNK_WRITE(V6)
{
  SW_State_A = param.asInt();
  digitalWrite(LED4, SW_State_A);
  Serial.println(SW_State_A ? "Additional LED ON" : "Additional LED OFF");
  Blynk.virtualWrite(V7, SW_State_A);
}

BLYNK_WRITE(V8)
{
  SW_State_Buzzer = param.asInt();
  digitalWrite(BUZZER, SW_State_Buzzer);
  if (SW_State_Buzzer) {
    tone(BUZZER, BUZZER_FREQUENCY);
    Serial.println("Buzzer ON");
  } else {
    noTone(BUZZER);
    Serial.println("Buzzer OFF");
  }
  Blynk.virtualWrite(V9, SW_State_Buzzer);
}

void setup()
{
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);
  pinMode(LED4, OUTPUT); // Additional LED
  pinMode(BUZZER, OUTPUT); // Buzzer

  Serial.begin(9600);
  Blynk.begin(auth, ssid, pass);
}

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