const int PIN_BUZZ = 3;

const int oct = 3;
const int del = 300;

const float OCTAVE_0[] = {
  16.35, //C = 0
  17.32, //C# or Db = 1
  18.35, //D = 2
  19.45, //D# or Eb = 3
  20.6, //E = 4
  21.83, //F = 5
  23.12, //F# or Gb = 6
  24.5, //G = 7
  25.96, //G# or Ab = 8
  27.5, //A = 9
  29.14, //A# or Bb = 10
  30.87 //B = 11
  };

class Note
{
    public:
    String letter;

    int pitch,
    octave,
    duration;
    
    Note()
    {
      letter = "C";
      pitch = translate(letter);
      octave = oct;
      duration = del;
    }

    Note(String p)
    {
      letter = p;
      pitch = translate(p);
      octave = oct;
      duration = del;
    }

    Note(String p, int d){
      letter = p;
      pitch = translate(p);
      octave = oct;
      duration = d;
    }

    Note(String p, int o, int d)
    {
      letter = p;
      pitch = translate(p);
      octave = o;
      duration = d;
    }

    int translate(String l){
      if(l == "C"){
        return 0;
      }else if (l == "C#" || l == "Db"){
        return 1;
      }else if(l == "D"){
        return 2;
      }else if(l == "D#" || l == "Eb"){
        return 3;
      }else if(l == "E"){
        return 4;
      }else if(l == "F"){
        return 5;
      }else if(l == "F#" || l == "Gb"){
        return 6;
      }else if(l == "G"){
        return 7;
      }else if(l == "G#" || l == "Ab"){
        return 8;
      }else if(l == "A"){
        return 9;
      }else if(l == "A#" || l == "Bb"){
        return 10;
      }else if(l == "B"){
        return 11;
      }else{
        return 0;
      }
    }
};

static Note NoteO(String p, int o) {
  return Note(p, o, del);
}

/*
Note notes[] = { //Happy B-Day
  Note("G", del / 2), Note("G", del / 2),
  Note("A"), Note("G"), NoteO("C", oct + 1),
  Note("B", del * 2), Note("G", del / 2), Note("G", del / 2),
  Note("A"), Note("G"), NoteO("D", oct + 1),
  Note("C", oct + 1, del * 2), Note("G", del / 2), Note("G", del / 2),
  NoteO("G", oct + 1), NoteO("E", oct + 1), NoteO("C", oct + 1),
  Note("B"), Note("A"), Note("F", oct + 1, del / 2), Note("F", oct + 1, del / 2),
  NoteO("E", oct + 1), NoteO("C", oct + 1), NoteO("D", oct + 1),
  Note("C", oct + 1, del * 2)
};
*/

/*
Note notes[] = { //In Love w/ Stripper
  Note("F", del), Note("G", del * 2),
  NoteO("D", oct + 1), Note("C", oct + 1, del * 2), Note("A#"),
  NoteO("D", oct + 1), Note("C", oct + 1, del * 2), Note("A#"),
  NoteO("D", oct + 1), NoteO("C", oct + 1), Note("A#", del * 3),
  Note("F", del), Note("G", del * 2),
  NoteO("D", oct + 1), Note("C", oct + 1, del * 2), Note("A#"),
  NoteO("D", oct + 1), Note("C", oct + 1, del * 2), Note("A#"),
  NoteO("D", oct + 1), NoteO("C", oct + 1)
};
*/

Note notes[] = { //Rocket Jump Waltz
  Note("G", del * 2), 
  Note("G", oct + 1, del / 2), Note("B", oct + 1, del * 2), 
  Note("G", oct + 1, del / 2), Note("E", oct + 1, del / 2), Note("B", del * 2),
  Note("E", oct + 1, del / 2), Note("G", oct + 1, del / 2), Note("E", oct + 1, del * 2),
  Note("F#", oct + 1, del / 2), Note("E", oct + 1, del / 2), Note("E", oct + 1, del * 2),
  Note("G", oct + 1, del / 2), Note("B", oct + 1, del / 2), Note("C", oct + 2, del * 2), 
  NoteO("D", oct + 2), NoteO("E", oct + 2),
  Note("D", oct + 2, del / 2), Note("C", oct + 2, del / 2), Note("B", oct + 1, del * 2),
  Note("A", oct + 1, del / 2), Note("B", oct + 1, del / 2), Note("C", oct + 2, del * 2),
  Note("E", oct + 2, del / 2), Note("G", oct + 2, del),
  Note("A", oct + 2, del / 2), Note("A", oct + 2, del * 2),
  Note("B", oct + 2, del / 2), Note("G", oct + 2, del * 2),
  Note("F#", oct + 2, del / 2), Note("E", oct + 2, del / 2), Note("A", oct + 2, del * 2),
  Note("G", oct + 2, del / 2), Note("F#", oct + 2, del * 2),
  Note("E", oct + 2, del / 2), Note("E", oct + 2, del * 2),
  Note("D#", oct + 2, del / 2), Note("B", oct + 1, del / 2), Note("D#", oct + 2, del), Note("B", oct + 1, del),
  Note("A", oct + 1, del / 2), Note("G", oct + 1, del * 2),
  Note("E", oct + 1, del / 2), Note("E", oct + 1, del * 2),
  Note("G", oct + 1, del / 2), Note("B", oct + 1, del / 2), Note("E", oct + 2, del * 2),
  Note("D", oct + 2, del / 2), Note("C", oct + 2, del / 2), Note("D", oct + 2, del),
  Note("E", oct + 2, del / 2), Note("C", oct + 2, del),
  Note("D", oct + 2, del / 2), Note("B", oct + 1, del * 2),
  Note("G", oct + 1, del / 2), Note("C", oct + 2, del / 2), Note("E", oct + 2, del),
  Note("G", oct + 2, del / 2), Note("G", oct + 2, del * 2),
  Note("F#", oct + 2, del / 2), Note("G", oct + 2, del / 2), Note("A", oct + 2, del),
  Note("F#", oct + 2, del), Note("A", oct + 2, del * 2),
  Note("G", oct + 2, del / 2), Note("F#", oct + 2, del / 2), Note("E", oct + 2, del / 2), Note("F#", oct + 2, del / 2), Note("E", oct + 2, del * 2),
  Note("D", oct + 2, del / 2), Note("C", oct + 2, del / 2), Note("B", oct + 1, del * 2),
  Note("A", oct + 1, del / 2), Note("G", oct + 1, del / 2), Note("E", oct + 1, del * 2),
  Note("D", oct + 1, del / 2), Note("E", oct + 1, del / 2), Note("E", oct + 1, del),
  Note("F#", oct + 1, del / 2), Note("F#", oct + 1, del * 2),
  Note("F#", oct + 1, del / 2), Note("B", oct + 1, del / 2), Note("D#", oct + 2, del * 2),
  Note("D#", oct + 2, del / 2), Note("E", oct + 2, del / 2), Note("F#", oct + 2, del), Note("B", oct + 2, del),
  Note("B", oct + 2, del), Note("A", oct + 2, del / 2), Note("G", oct + 2, del / 2), Note("E", oct + 2, del)
};

void setup() {
  pinMode(PIN_BUZZ, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  playMusic();
}

void playMusic(){
  int arraySize = sizeof(notes) / sizeof(notes[0]);

  for(int i = 0; i < arraySize; i++){
    int pow = 1;
    Note currNote = notes[i];

    Serial.print(currNote.letter);
    Serial.print(" ");

    for (int j = 0; j < currNote.octave; j++){
      pow *= 2;
    }

    int note = OCTAVE_0[currNote.pitch] * pow;

    tone(PIN_BUZZ, note);
    delay(currNote.duration);
    tone(PIN_BUZZ, 0, 30);
  }

  tone(PIN_BUZZ, 0);
  delay(1000);
  Serial.println();
}