#include "Arduino_LED_Matrix.h"
ArduinoLEDMatrix matrix;

const int buttonPin = 2;          // Digital pin for the button
const int relayControlPin = 9;    // Digital pin to control the relay module

const uint32_t happy[] = { //LED Matrix
    0x19819,
    0x80000001,
    0x81f8000
};
const uint32_t heart[] = { //LED Matrix
    0x3184a444,
    0x44042081,
    0x100a0040
};

const uint32_t onletter []= { //LED Matrix
		0x7a24b,
		0x24aa4ae4,
		0xa27a2000,
		66
};

const uint32_t offletter [] = { //LED Matrix
		0xef7a8,
		0x4ae7a84a,
		0x84e84000,
		66
};

const uint32_t rapid[] = { //LED Matrix
		0xdddbbb77,
		0x7eef777b,
		0xbbdddeee,
		66
};

unsigned long lastButtonPressTime = 0;  // Variable to store the time of the last button press
unsigned long debounceTime = 500;         // Debounce time in milliseconds
unsigned long relayInactiveTime = 3000; // Time in milliseconds to consider the button inactive

void setup() {
  pinMode(buttonPin, INPUT_PULLUP);
  pinMode(relayControlPin, OUTPUT);
  digitalWrite(relayControlPin, LOW);  // Set initial state of the relay (OFF)

    Serial.begin(115200); //LED Matrix
    matrix.begin();
}

void loop() {
  int buttonState = digitalRead(buttonPin);

  // Check if the button is pressed (LOW state) with debounce
  if (buttonState == LOW && millis() - lastButtonPressTime > debounceTime) {
    // Button pressed, activate the relay
    digitalWrite(relayControlPin, HIGH);
    lastButtonPressTime = millis();

    matrix.loadFrame(rapid); //LED Matrix
    delay(0);
  }

  // Check if the button is not pressed for 5 seconds
  if (millis() - lastButtonPressTime > relayInactiveTime) {
    // Button not pressed for 5 seconds, activate the relay
    digitalWrite(relayControlPin, HIGH);
    
    matrix.loadFrame(onletter); //LED Matrix
    delay(500);
  } else {
    // Button is being pressed, turn off the relay
    digitalWrite(relayControlPin, LOW);

     matrix.loadFrame(offletter); //LED Matrix
     delay(500);
  }
}