#include <EEPROM.h>

volatile bool ledOn = false;
volatile bool movimentoOn = false;
unsigned long ultimoMov = 0;
bool dia = false;

void botaoInterrupcao() {
  ledOn = !ledOn;
}

void movimentoOnCallback() {
  movimentoOn true;
  ultimoMov = millis();
}

bool isDia() {
  return analogRead(A1) < 500;
}

void setup() {
  
  pinMode(2, INPUT_PULLUP);
  pinMode(3, INPUT);
  pinMode(A1, INPUT);
  pinMode(10, OUTPUT);
  
  attachInterrupt(digitalPinToInterrupt(2), botaoInterrupcao, CHANGE);
  
  dia = EEPROM.read(0);
  
  attachInterrupt(digitalPinToInterrupt(3), movimentoOnCallback, RISING);
}




void loop() {
  dia = isDia();
  
  if (dia) {
    digitalWrite(10, ledOn ? HIGH : LOW);
  } else {
    if (ledOn || movimentoOn) {
      digitalWrite(10, HIGH);
      
      if (millis() - ultimoMov >= 10000) {
        movimentoOn = false;
      }
    } else {
      digitalWrite(10, LOW);
    }
  }
  
  EEPROM.write(0, dia);
  
  delay(100);
}