#define BLYNK_TEMPLATE_ID "TMPL348uMXXPu"
#define BLYNK_TEMPLATE_NAME "HOME AUTOMATION"
#define BLYNK_AUTH_TOKEN "x2emnAn3YeSfmPhSYT6W_GHfPdlo4-PP"

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

char auth[] = "x2emnAn3YeSfmPhSYT6W_GHfPdlo4-PP";  // Replace with your Blynk Auth Token
char ssid[] = "WOKWI-GUEST";         // Replace with your WiFi SSID
char pass[] = "";     // Replace with your WiFi password

// Relay pin connections
int relay1 = 4;
int relay2 = 5;
int relay3 = 18;

// LED pin (onboard LED or external)
int ledPin = 2;

BLYNK_WRITE(V0) {
  int value = param.asInt();  // Get button state for relay 1
  digitalWrite(relay1, value);  // Control relay 1
}

BLYNK_WRITE(V1) {
  int value = param.asInt();  // Get button state for relay 2
  digitalWrite(relay2, value);  // Control relay 2
}

BLYNK_WRITE(V2) {
  int value = param.asInt();  // Get button state for relay 3
  digitalWrite(relay3, value);  // Control relay 3
}

BLYNK_WRITE(V3) {
  int value = param.asInt();  // Get button state for the onboard LED
  digitalWrite(ledPin, value);  // Control onboard LED (or external LED)
}

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

  // Set relay pins as output
  pinMode(relay1, OUTPUT);
  pinMode(relay2, OUTPUT);
  pinMode(relay3, OUTPUT);

  // Set LED pin as output
  pinMode(ledPin, OUTPUT);

  // Connect to WiFi
  WiFi.begin(ssid, pass);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
  Serial.println("Connected to WiFi!");

  // Initialize Blynk
  Blynk.begin(auth, ssid, pass);
}

void loop() {
  Blynk.run();  // Handle Blynk app communication
}