#define BLYNK_TEMPLATE_ID "TMPL6SvxyVLhu"
#define BLYNK_TEMPLATE_NAME "Tombol servo"
#define BLYNK_AUTH_TOKEN "CP-lMIpNpN_8c1MPoCgp2RLwfRHE24oQ"

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <ESP32Servo.h>

// Replace these credentials with your own
char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

// Pins for the LEDs
#define RED_LED_PIN 2
#define BLUE_LED_PIN 4

// Pin for the servo
#define SERVO_PIN 13

// Blynk virtual pins
#define SERVO_BUTTON_VPIN V0

Servo servo;

bool servoActivated = false;

void setup() {
  Serial.begin(115200);
  pinMode(RED_LED_PIN, OUTPUT);
  pinMode(BLUE_LED_PIN, OUTPUT);
  servo.attach(SERVO_PIN);

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

void loop() {
  Blynk.run();

  if (servoActivated) {
    // Rotate servo to a specific position
    servo.write(90); // Change the angle as needed
    blinkLeds(); // Blink LEDs
  } else {
    servo.write(0); // Return servo to initial position
    digitalWrite(RED_LED_PIN, LOW); // Turn off red LED
    digitalWrite(BLUE_LED_PIN, LOW); // Turn off blue LED
  }
}

// Callback function for controlling the servo
BLYNK_WRITE(SERVO_BUTTON_VPIN) {
  int servoButtonState = param.asInt();
  
  if (servoButtonState == 1) {
    servoActivated = true;
  } else {
    servoActivated = false;
  }
}

// Function to blink LEDs
void blinkLeds() {
  unsigned long previousMillis = 0;
  const long interval = 500; // Blink interval in milliseconds
  bool ledState = false;

  while (millis() - previousMillis < 30000) { // Blink LEDs for 30 seconds
    if (millis() - previousMillis >= interval) {
      previousMillis = millis();
      if (ledState) {
        ledState = false;
        digitalWrite(RED_LED_PIN, LOW); // Turn off red LED
        digitalWrite(BLUE_LED_PIN, LOW); // Turn off blue LED
      } else {
        ledState = true;
        digitalWrite(RED_LED_PIN, HIGH); // Turn on red LED
        digitalWrite(BLUE_LED_PIN, HIGH); // Turn on blue LED
      }
    }
  }
}