//Buzzers -  passive or active
//active - 1 is to generate tone and 0 is off
//passive - uses PWM 



// Setup ... done by  Isaac and Shre
int ledPins[] = {10, 11, 12, 13};
int buttonPins[] = {2, 3, 4, 5};
int randomNumbers[10];  
int gameTones[] = {262, 330, 392, 440};
int inputSequence[10];


bool buttonPressed = false; 

void setup() {
  Serial.begin(9600);

  for (int i = 0; i < 4; i++) {
    pinMode(ledPins[i], OUTPUT);
    pinMode(buttonPins[i], INPUT_PULLUP);
  }
  pinMode(9, OUTPUT);  // Buzzer
  pinMode(6, INPUT_PULLUP);  // Start button
}
// done by Ridgy 
void generateRandomNumbers() {  // Generate 10 random integers
  for (int j = 0; j < 10; j++) {
    randomNumbers[j] = random(1, 5);  // Generate numbers between 1 and 5
  }
}
// done for testing by Ridgy and Isaac
void printRandomNumbers() {  // print random numbers
  for (int i = 0; i < 10; i++) {
    Serial.print(randomNumbers[i]);
    Serial.print(" ");
  }
  Serial.println();
}

// done by Shre and Ridgy
void Color_Sound() {
  bool buttonPressed = false;  // Flag to track button press

  while (true) {  
    for (int i = 0; i < 4; i++) {
      buttonPressed = digitalRead(buttonPins[i]) == HIGH; // Check for button press
      if (buttonPressed == LOW) {
        digitalWrite(ledPins[i], HIGH);
        tone(9, gameTones[i]);
        delay(500);
        digitalWrite(ledPins[i], LOW);
        noTone(9); 
        break; // Exit inner loop on button press
      }
    }
  }
}

// done by Shre and Isaac
void compare() {
  for( int i = 0; i< inputSequence; i++)
  if (inputSequence[i] != randomNumbers[i]){ // compare the index of input array and random number array
   digitalWrite(5, HIGH);
   delay(500);
   digitalWrite(5, LOW);
  }
  else {
    digitalWrite(4, HIGH);
    delay(500);
    digitalWrite(4, LOW);
  }
}
// done by Shre and Ridgy
void inputStore() {
  for (int i = 0; i < 10; i++) {
    int buttonPressed = -1; 
    for (int j = 0; j < 4; j++) {
      if (digitalRead(buttonPins[j]) == LOW) {
        buttonPressed = j; 
        while(digitalRead(buttonPins[j]) == LOW); 
        break; // Exit loop as soon as one button is pressed
      }
    }
    inputSequence[i] = buttonPressed; 
    delay(500); 
  }
  compare(); 
}
//done by Shre
void loop() {
  if (digitalRead(6) == LOW && !buttonPressed) {
    buttonPressed = true;
  } else if (digitalRead(6) == HIGH) {  
    buttonPressed = false;
  }

  if (buttonPressed) {
    generateRandomNumbers();  
    //printRandomNumbers();     
    Color_Sound();
    //randomSequence();
      for (int i = 0; i < 10; i++) {
    // Loop to activate each pin in the current sequence
    for (int j = 1; j <= i; j++) {
      int ledIndex = randomNumbers[j] - 1;  // Map random number to LED index
      
      // Activate the corresponding LED pin
      digitalWrite(ledPins[ledIndex], HIGH);
      
      // Optional: Play a tone if desired
      tone(9, gameTones[ledIndex]);
      
      // Delay for visibility
      delay(500);
      
      // Turn off the LED and tone
      digitalWrite(ledPins[ledIndex], LOW);
      noTone(9);

      inputStore();
    }
  }
  }
}

// Most of the funcions seems to be working individually, but it fails to work together. 
// the main issues were with making the input array and compare which without any logical or syntax error seems to fail