// Define pin numbers for segments and common pin
 int a = 2;
 int b = 3;
 int c = 4;
 int d = 5;
 int e = 6;
 int f = 7;
 int g = 8;
 int cc = 9; // common cathode pin

// Define pins for push buttons
 int guessButtonPin = 10;
 int submitButtonPin = 11;

// Define variables
int randomNumber;
int playerGuess = 0;
bool guessedCorrectly = false;

void setup() {
  // Initialize segments pins as outputs
  pinMode(a, OUTPUT);
  pinMode(b, OUTPUT);
  pinMode(c, OUTPUT);
  pinMode(d, OUTPUT);
  pinMode(e, OUTPUT);
  pinMode(f, OUTPUT);
  pinMode(g, OUTPUT);
  pinMode(cc, OUTPUT);

  // Initialize buttons as inputs with pull-up resistors
  pinMode(guessButtonPin, INPUT_PULLUP);
  pinMode(submitButtonPin, INPUT_PULLUP);

  // Generate a random number
  randomSeed(analogRead(0)); // seed the random number generator with analog pin 0
  randomNumber = random(10); // generate a random number between 0 and 9

  // Display the random number on the 7-segment display
  displayNumber(randomNumber);
}

void loop() {
  // Read player input
  int guessButtonState = digitalRead(guessButtonPin);
  int submitButtonState = digitalRead(submitButtonPin);

  // If the guess button is pressed, increment player guess
  if (guessButtonState == LOW) {
    playerGuess = (playerGuess + 1) % 10; // wrap around to 0 after 9
    delay(200); // debounce delay
    displayNumber(playerGuess); // display current guess
  }

  // If the submit button is pressed, check the guess
  if (submitButtonState == LOW) {
    if (playerGuess == randomNumber) {
      guessedCorrectly = true;
      // Display appropriate feedback for correct guess
      displayNumber(10); // Display "C" for correct
    } else {
      // Display appropriate feedback for incorrect guess
      displayNumber(11); // Display "E" for wrong guess
    }
    delay(1000); // Display feedback for 1 second
    resetGame(); // Reset game for the next round
  }
}

// Function to display a number on the 7-segment display
void displayNumber(int num) {
  // Define common cathode values for each digit
  byte digitValues[12] = {
    B11111100, // 0
    B01100000, // 1
    B11011010, // 2
    B11110010, // 3
    B01100110, // 4
    B10110110, // 5
    B10111110, // 6
    B11100000, // 7
    B11111110, // 8
    B11110110, // 9
    B10000001, // C for correct
    B10000110  // E for wrong
  };

  // Display the corresponding segment values for the given number
  if (num >= 0 && num <= 11) {
    digitalWrite(cc, LOW); // turn on display
    for (int i = 0; i < 8; i++) {
      digitalWrite(i + 2, bitRead(digitValues[num], i));
    }
  }
}

// Function to reset the game for the next round
void resetGame() {
  playerGuess = 0;
  guessedCorrectly = false;
  randomNumber = random(10); // generate a new random number
  displayNumber(randomNumber); // display the new random number
}