#define BLYNK_TEMPLATE_ID "TMPL3A-RZZhgs"
#define BLYNK_TEMPLATE_NAME "LED Control"
#define BLYNK_AUTH_TOKEN "yGak-k8K8OTl8H6d3g57udZEoX-iH4yp"

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

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

// LED pins
#define GREEN_LED_PIN 18  // LED for V0
#define RED_LED_PIN   19  // LED for V1

bool greenLedState = false;
bool redLedState   = false;

// Blynk virtual pins
#define VPIN_GREEN V0
#define VPIN_RED   V1

// Handle Green LED (V0)
BLYNK_WRITE(VPIN_GREEN) {
  int state = param.asInt();
  greenLedState = state;
  digitalWrite(GREEN_LED_PIN, state ? HIGH : LOW);
  Serial.printf("[LOG] Green LED turned %s\n", state ? "ON" : "OFF");
}

BLYNK_WRITE(VPIN_RED) {
  int state = param.asInt();
  redLedState = state;
  digitalWrite(RED_LED_PIN, state ? HIGH : LOW);
  Serial.printf("[LOG] Red LED turned %s\n", state ? "ON" : "OFF");
}


void setup() {
  Serial.begin(115200);
  delay(100);

  // Configure LED pins
  pinMode(GREEN_LED_PIN, OUTPUT);
  pinMode(RED_LED_PIN, OUTPUT);
  digitalWrite(GREEN_LED_PIN, LOW);
  digitalWrite(RED_LED_PIN, LOW);

  // Wi-Fi connection
  Serial.println("Connecting to Wi-Fi...");
  WiFi.begin(ssid, pass);
  while (WiFi.status() != WL_CONNECTED) {
    delay(400);
    Serial.print(".");
  }
  Serial.println("\nWi-Fi Connected!");
  Serial.print("IP Address: ");
  Serial.println(WiFi.localIP());

  // Connect to Blynk
  Blynk.begin(auth, ssid, pass);
  Serial.println("Connected to Blynk Cloud");
}

void loop() {
  Blynk.run();

  // Periodic status logging
  static unsigned long lastPrint = 0;
  if (millis() - lastPrint > 8000) {
    lastPrint = millis();
    Serial.printf("[STATUS] Green LED: %s | Red LED: %s\n",
                  greenLedState ? "ON" : "OFF",
                  redLedState ? "ON" : "OFF");
  }
}