// Define the pin number for the push button
const int startButton = 9;
const int stopButton = 8;
const int ledPin = 10;
const int buzzerPin = 11;

int melody[] = {
294, 294, 392, 330, 294, 247, 262,
294, 294, 392, 330, 294, 247, 262,
294, 330, 349, 294, 330, 349, 392,
262, 330, 294, 262, 220, 247, 262
};

int noteDuration[] = {
4, 8, 8, 4, 8, 8, 2,
4, 8, 8, 4, 8, 8, 2,
4, 8, 8, 4, 8, 8, 2,
4, 8, 8, 4, 8, 8, 2
};

int melodyLength = sizeof(melody) / sizeof(melody[0]);
int buttonState1 = LOW;
int buttonState2 = LOW;
int buzzerState = LOW;


int dt = 200;


// Setup function runs once when the program starts
void setup() {
  // Set the button pin as an input with an internal pull-up resistor
  pinMode(startButton, INPUT_PULLUP);
  pinMode(stopButton, INPUT_PULLUP);
  pinMode(ledPin, OUTPUT);
  pinMode(buzzerPin, OUTPUT);

  // Start the serial monitor at 9600 baud
  Serial.begin(9600);
}

// The loop function runs repeatedly after setup()
void loop() {
  // Read the current state of the button (HIGH or LOW)
  buttonState1 = digitalRead(startButton);
  buttonState2 = digitalRead(stopButton);

  Serial.print(" startButton = ");
  Serial.println(buttonState1);
  Serial.print(" stopButton = ");
  Serial.println(buttonState2);
/*
    // Check if the button1 is currently pressed (LOW)
    if (buttonState1 == LOW) {
      //isPlaying = true;   // Set playing state to TRUE
    //buzzerState = !buzzerState;
    //buzzerState = HIGH;

    // Stop
  
    //if(buzzerState == HIGH){
      for(int i = 0; i < melodyLength; i++){
        if (buttonState2 == LOW) {
         //buzzerState = LOW;
         break;}
      int noteDurationMS = 1000 / noteDuration[i];

        tone(buzzerPin, melody[i], noteDurationMS);
        digitalWrite(ledPin, HIGH);
        delay(noteDurationMS * 1.3);
      noTone(buzzerPin);
      digitalWrite(ledPin,LOW);
      delay(noteDurationMS * 0.10);
      
  
// Stop
if (buttonState2 == LOW) {
  buzzerState = LOW;
  noTone(buzzerPin);
  Serial.print("This is stopButton = ");
  Serial.println(buttonState2);
   break;
}
}
}

else{
  noTone(buzzerPin);
  digitalWrite(ledPin, LOW);
}
*/
if (buttonState1 == LOW && buttonState2 == HIGH) {
  buzzerState = HIGH;
while(buzzerState == HIGH ){
    for(int i = 0; i < melodyLength; i++){
      int noteDurationMS = 1000 / noteDuration[i];
      tone(buzzerPin, melody[i], noteDurationMS);
      digitalWrite(ledPin, HIGH);
      delay(noteDurationMS * 1.3);
      noTone(buzzerPin);
      digitalWrite(ledPin,LOW);
      delay(noteDurationMS * 1);
    if (buttonState2 == LOW) {
  buzzerState = LOW;
  noTone(buzzerPin);
  Serial.print("This is stopButton = ");
  Serial.println(buttonState2);
   break; }
}

}
}
else{
  noTone(buzzerPin);
  buzzerState = LOW;
  digitalWrite(ledPin, LOW);
}
}