#define BLYNK_TEMPLATE_ID "BLYNK_TEMPLATE_ID"
#define BLYNK_TEMPLATE_NAME "Wokwi"
#define BLYNK_AUTH_TOKEN "BLYNK_AUTH_TOKEN"

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

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

#define RELAY_BULB  21
#define RELAY_FAN   2
#define LDR         13

bool first = true;

void setup()
{
  Serial.begin(115200);

  pinMode(RELAY_BULB, OUTPUT);
  pinMode(RELAY_FAN, OUTPUT);

  pinMode(LDR, INPUT);

  digitalWrite(RELAY_BULB, LOW);
  digitalWrite(RELAY_FAN, LOW);

  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
}

BLYNK_WRITE(V0)
{
  int state = param.asInt();
  digitalWrite(RELAY_BULB, state);
  Serial.print("LED Bulb State: ");
  Serial.println(state);
}

BLYNK_WRITE(V1)
{
  int state = param.asInt();
  digitalWrite(RELAY_FAN, state);
  Serial.print("FAN State: ");
  Serial.println(state);
}

void loop()
{
  Blynk.run();

  if (digitalRead(LDR) == 1 && first) {
    Blynk.virtualWrite(V0, 1);
    first = false;
    Serial.println("LED Bulb State: 1");
  }

  if (digitalRead(LDR) == 0 && !first) {
    Blynk.virtualWrite(V0, 0);
    first = true;
    Serial.println("LED Bulb State: 0");
  }
}