#include "pitches.h"
// Pin where the buzzer is connected
#define BUZZER_PIN 9

// Define the notes and durations for the melody (Halo theme intro)
const int melody[] = {
  // Enter the notes of the Halo theme intro here
  // For example:
  NOTE_FS4, NOTE_FS4, NOTE_FS4, NOTE_G4, NOTE_B4, NOTE_AS4, NOTE_A4, NOTE_G4, NOTE_FS4,
  NOTE_E4, NOTE_E4, NOTE_FS4, NOTE_E4, NOTE_FS4, NOTE_GS4, NOTE_A4, NOTE_A4, NOTE_G4, NOTE_FS4,
  NOTE_FS4, NOTE_G4, NOTE_FS4, NOTE_G4, NOTE_FS4, NOTE_E4, NOTE_FS4, NOTE_E4, NOTE_FS4, NOTE_G4,
  NOTE_A4, NOTE_A4, NOTE_G4, NOTE_FS4, NOTE_G4, NOTE_A4, NOTE_G4, NOTE_A4, NOTE_G4, NOTE_FS4,
  NOTE_E4, NOTE_FS4, NOTE_E4, NOTE_FS4, NOTE_GS4, NOTE_A4, NOTE_A4, NOTE_G4, NOTE_FS4, NOTE_FS4
};

// Define the note durations
const int noteDurations[] = {
  // Enter the durations corresponding to the notes above
  // For example:
  8, 8, 8, 8, 4, 8, 8, 8, 4,
  8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
  8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
  8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
  8, 8, 8, 8, 8, 8, 8, 8, 4, 4
};

// Define beats per minute (BPM)
int bpm = 10;

void setup() {
  // Set the buzzer pin as an output
  pinMode(BUZZER_PIN, OUTPUT);
}

void loop() {
  playMelody();
}

void playMelody() {
  // Calculate the duration of a quarter note in milliseconds based on BPM
  float quarterNoteDuration = 60000.0 / bpm;

  // Iterate over the melody and play each note
  for (int i = 0; i < sizeof(melody) / sizeof(melody[0]); i++) {
    // Calculate the note duration
    int duration = quarterNoteDuration / noteDurations[i];
    tone(BUZZER_PIN, melody[i], duration);
    // Pause between notes
    delay(duration * 1.3);
    // Stop playing the note
    noTone(BUZZER_PIN);
  }
  // Pause between repetitions of the melody
  delay(2000);
}