#define BLYNK_TEMPLATE_ID "TMPL3BH0c0g5z"
#define BLYNK_TEMPLATE_NAME "Relay"
#define BLYNK_AUTH_TOKEN "AyTlZcnc-KybujbUWRs6vKefmaOdlEpD"
#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

// Blynk authentication details
char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";  // WiFi SSID (use your own WiFi for real hardware)
char pass[] = "";             // WiFi password

// Define LED pins
#define RED_LED   25
#define GREEN_LED 26
#define BLUE_LED  27

// --- Blynk Switch Handlers ---
BLYNK_WRITE(V0) {   // Red LED button on Blynk
  int value = param.asInt();
  digitalWrite(RED_LED, value);

  if (value == 1) {
    Serial.println("Red LED: ON");
  } else {
    Serial.println("Red LED: OFF");
  }
}

BLYNK_WRITE(V1) {   // Green LED button on Blynk
  int value = param.asInt();
  digitalWrite(GREEN_LED, value);

  if (value == 1) {
    Serial.println("Green LED: ON");
  } else {
    Serial.println("Green LED: OFF");
  }
}

BLYNK_WRITE(V2) {   // Blue LED button on Blynk
  int value = param.asInt();
  digitalWrite(BLUE_LED, value);

  if (value == 1) {
    Serial.println("Blue LED: ON");
  } else {
    Serial.println("Blue LED: OFF");
  }
}

void setup() {
  // Start Serial Monitor
  Serial.begin(115200);

  // Setup LED pins as OUTPUT
  pinMode(RED_LED, OUTPUT);
  pinMode(GREEN_LED, OUTPUT);
  pinMode(BLUE_LED, OUTPUT);

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

void loop() {
  Blynk.run();  // Run Blynk
}