int playerScore = 0;
int computerScore = 0;
int buttonPins[] = {13, 12, 11};
int currentPlayer = 0; // 0 for player, 1 for computer
boolean gameStarted = false;

void setup() {
  Serial.begin(9600);
  for (int i = 0; i < 3; i++) {
    pinMode(buttonPins[i], INPUT);
  }
  Serial.println("\n===============================");
  Serial.println("Stacking Game");
  Serial.println("Press any button to start.");
  Serial.println();
}

void loop() {
  if (!gameStarted) {
    // Wait for any button press to start the game
    if (readButton() != 0) {
      gameStarted = true;
      Serial.println("Game started!");
      delay(500); // Debounce delay
    }
    return;
  }

  if (currentPlayer == 0) {
    Serial.println("Player's turn:");
    int buttonState = readButton();
    if (buttonState >= 1 && buttonState <= 3) {
      playerScore += buttonState;
      Serial.println("Player chose: " + String(buttonState));
      delay(500);
      currentPlayer = 1; // Switch to computer's turn
    }
  } else {
    Serial.println("Computer's turn:");
    int computerChoice = random(1, 4);
    computerScore += computerChoice;
    Serial.println("Computer chose: " + String(computerChoice));
    delay(500);
    currentPlayer = 0; // Switch to player's turn
  }

  if (playerScore == 11) {
    Serial.println("PLAYER WINS");
    resetGame();
  } else if (computerScore == 11) {
    Serial.println("COMPUTER WINS");
    resetGame();
  }
}

int readButton() {
  for (int i = 0; i < 3; i++) {
    if (digitalRead(buttonPins[i]) == HIGH) {
      return i + 1; // Return 1, 2, or 3 based on button pressed
    }
  }
  return 0; // No button pressed
}

void resetGame() {
  playerScore = 0;
  computerScore = 0;
  currentPlayer = 0;
  gameStarted = false;
  Serial.println("Game over. Press any button to play again.");
  Serial.println();
  while (readButton() == 0) {
    // Wait for any button press to restart the game
  }
  delay(500); // Debounce delay
}