#include "LedControl.h"
#include "binary.h"

#define BUZZER_PIN 9
#define BTN_PIN 8
#define LED_PIN 10
#define ON_OFF_PIN 7

#define DIN_PIN  11
#define CS_PIN 12
#define CLK_PIN  13

LedControl lc = LedControl(DIN_PIN, CLK_PIN, CS_PIN, 1);

void setup() {
  pinMode(BTN_PIN, INPUT_PULLUP);
  pinMode(ON_OFF_PIN, INPUT_PULLUP);
  pinMode(BUZZER_PIN, OUTPUT);
  pinMode(LED_PIN, OUTPUT);

  initMatrix(lc);
}

void loop() {
  if(isOn()){
    digitalWrite(LED_PIN, HIGH);

    if(pushed(BTN_PIN)){
      bipBuzzer(1000);

      drowHeart(lc);
      delay(5000);        // delay de 5 segundos
      lc.clearDisplay(0); // limpeza do display
      delay(1000); 
    }
  } else {
    digitalWrite(LED_PIN, LOW);
  }
}

void bipBuzzer(int duration) {
  digitalWrite(BUZZER_PIN, HIGH);
  delay(duration);
  digitalWrite(BUZZER_PIN, LOW);
}

bool isOn() {
  return digitalRead(ON_OFF_PIN) == LOW;
}

bool pushed(int btn) {
  return digitalRead(btn) == LOW;
}

void initMatrix(LedControl ledctl) {
  ledctl.shutdown(0, false); // Inicia o módulo
  ledctl.setIntensity(0, 8); // Define a itensidade de brilho do display
  ledctl.clearDisplay(0);    // Limpa a tela do display
}

void drowHeart(LedControl ledctl) {
  ledctl.setRow(0, 0, B00000000);
  ledctl.setRow(0, 1, B00100010);
  ledctl.setRow(0, 2, B01010101);
  ledctl.setRow(0, 3, B01001001);
  ledctl.setRow(0, 4, B01000001);
  ledctl.setRow(0, 5, B00100010);
  ledctl.setRow(0, 6, B00010100);
  ledctl.setRow(0, 7, B00001000);
}