// Define the pin numbers for the targets and LEDs
const int targetPins[] = {2, 3};
const int ledPins[] = {8, 9};
const int numTargets = sizeof(targetPins)/sizeof(int);

// Variable to keep track of hits and the active target
int hitCount = 0;
int activeTarget = -1;

// Variable to keep track of the game state
unsigned long startTime;
const unsigned long gameTime = 10 * 1000; // 10 seconds

void setup() {
  // Initialize serial communication
  Serial.begin(9600);
  
  // Set the target pins as inputs with pullup resistors
  // Set the LED pins as outputs
  for (int i = 0; i < numTargets; i++) {
    pinMode(targetPins[i], INPUT_PULLUP);
    pinMode(ledPins[i], OUTPUT);
    digitalWrite(ledPins[i], LOW);
  }

  // Start the game
  startGame();
}

void loop() {
  // Check if the game is over
  if (millis() - startTime >= gameTime) {
    // Print the final score
    Serial.print("Game over! Final score: ");
    Serial.println(hitCount);

    // Print time left
    Serial.println("Time left: 0 seconds");

    // Wait for the player to reset the game
    int resetHits = 0;
    while (resetHits < 3) {
      for (int i = 0; i < numTargets; i++) {
        if (digitalRead(targetPins[i]) == LOW) {
          resetHits++;
          delay(200); // Debounce the button press
        }
      }
    }

    // Reset the game
    startGame();
  } else {
    // Print current score and time left every second
    Serial.print("Current score: ");
    Serial.println(hitCount);
    Serial.print("Time left: ");
    Serial.print((gameTime - (millis() - startTime)) / 1000);
    Serial.println(" seconds");
    
    delay(1000); // Wait for a second before printing again
  }

  // Check each target
  for (int i = 0; i < numTargets; i++) {
    // If the active target is hit (reads LOW because of pullup resistor)
    if (i == activeTarget && digitalRead(targetPins[i]) == LOW) {
      // Increment the hit count
      hitCount++;
      
      // Turn off the current target's LED
      digitalWrite(ledPins[activeTarget], LOW);

      // Choose a new active target at random
      activeTarget = random(numTargets);

      // Turn on the new target's LED
      digitalWrite(ledPins[activeTarget], HIGH);

      // Wait a bit to debounce the button press
      delay(100);
      
      // Now wait for the target to be released
      while (digitalRead(targetPins[i]) == LOW) {
        delay(10);
      }
    }
  }
}

void startGame() {
  // Reset the hit count and start time
  hitCount = 0;
  startTime = millis();

  // Turn off all LEDs
  for (int i = 0; i < numTargets; i++) {
    digitalWrite(ledPins[i], LOW);
  }

  // Choose an initial active target at random
  activeTarget = random(numTargets);

  // Turn on the active target's LED
  digitalWrite(ledPins[activeTarget], HIGH);
}