#include <Arduino.h>

#define BUTTON_PIN 12
#define LED_PIN_1 21
#define LED_PIN_2 18

volatile bool buttonPressed = false;
volatile unsigned long buttonPressStartTime = 0;

volatile bool estado1 = false;
volatile bool estado2 = false;

unsigned long lastPrintTime = 0;

void buttonInterrupt() {
  if (digitalRead(BUTTON_PIN) == HIGH) {
    buttonPressed = true;
    buttonPressStartTime = millis();
  } else {
    buttonPressed = false;
  }
}

void setup() {
  Serial.begin(115200);
  pinMode(LED_PIN_1, OUTPUT);
  pinMode(LED_PIN_2, OUTPUT);
  pinMode(BUTTON_PIN, INPUT);
  attachInterrupt(digitalPinToInterrupt(BUTTON_PIN), buttonInterrupt, RISING);
}

void loop() {
  if (buttonPressed) {

    unsigned long elapsedTime = buttonPressStartTime;
    
    Serial.println(elapsedTime);
  
    if (elapsedTime >= 3000 || estado1 == true) {
      digitalWrite(LED_PIN_1, HIGH);
      noInterrupts();
      estado1 = true;
      elapsedTime = 0;
      interrupts();
    }

    if (elapsedTime >= 5000 || estado2 == true) {
      digitalWrite(LED_PIN_2, HIGH);
      noInterrupts();
      estado2 = true;
      elapsedTime = 0;
      interrupts();
    }

  }else {
      buttonPressStartTime = 0;
  }
 
}