const int buttonPin[] = {2, 3, 4, 5, 6, 7}; // array of button pins connected to digital pins 2, 3, 4, 5, 6 and 7
int buttonState[6] = {0}; // array to store the current states of the buttons
int buttonCount[6] = {0}; // array to store the number of button presses
const int numberOfButtons = 6; // number of buttons
const int password[] = {1, 2, 3, 4}; // password array
int passwordSize = sizeof(password) / sizeof(password[0]); // size of the password array
bool isCorrect = false; // variable to store if the password is correct

void setup() {
  for (int i = 0; i < numberOfButtons; i++) {
    pinMode(buttonPin[i], INPUT); // set each button pin as an input
  }
  Serial.begin(9600); // initialize serial communication
}

void loop() {
  for (int i = 0; i < numberOfButtons - 2; i++) {
    buttonState[i] = digitalRead(buttonPin[i]); // read the current state of each button
    if (buttonState[i] == HIGH) { // if the button is pressed
      buttonCount[i]++; // increment the button press count

      if (buttonCount[i] > 9) { // if the button press count is greater than 9
        buttonCount[i] = 0; // reset the button press count to 0

        Serial.print("Button ");
        Serial.print(i + 1);
        Serial.print(" Press Count: ");
        Serial.println(buttonCount[i]); // print the current button press count to the serial monitor
      }
    }

    // Check the penultimate button for password check
    buttonState[numberOfButtons - 2] = digitalRead(buttonPin[numberOfButtons - 2]);
    if (buttonState[numberOfButtons - 2] == HIGH) {
      // compare the buttonCount array with the password array
      for (int i = 0; i < passwordSize; i++) {
        if (buttonCount[i] == password[i]) {
          isCorrect = true;
        } else {
          isCorrect = false;
          break;
        }
      }
      if (isCorrect) {
        Serial.println("Correct Password!");
      } else {
        Serial.println("Wrong Password!");
      }
      // Reset buttonCount and isCorrect
      for (int i = 0; i < numberOfButtons - 2; i++) {
        buttonCount[i] = 0;
      }
      isCorrect = false;
    }

    // Check the last button for resetting the buttonCount array
    buttonState[numberOfButtons - 1] = digitalRead(buttonPin[numberOfButtons - 1]);
    if (buttonState[numberOfButtons - 1] == HIGH) {
      for (int i = 0; i < numberOfButtons - 2; i++) {
        buttonCount[i] = 0;
      }
      Serial.println("Button Counts Reset!");
    }
  }
}