#include "variabel.h" 

const uint8_t buttonPins[] = {13, 12, 11, 10, 9, 8, 7, 6}; 
const int buttonTones[] = {
    NOTE_C4, NOTE_D4, NOTE_E4, NOTE_F4,
    NOTE_G4, NOTE_A4, NOTE_B4, NOTE_C5
};

const int notes[] = {
    NOTE_E4, NOTE_G4, NOTE_A4, NOTE_A4, 0,
    NOTE_A4, NOTE_B4, NOTE_C5, NOTE_C5, 0,
    NOTE_C5, NOTE_D5, NOTE_B4, NOTE_B4, 0,
    NOTE_A4, NOTE_G4, NOTE_A4, 0,

    NOTE_E4, NOTE_G4, NOTE_A4, NOTE_A4, 0,
    NOTE_A4, NOTE_B4, NOTE_C5, NOTE_C5, 0,
    NOTE_C5, NOTE_D5, NOTE_B4, NOTE_B4, 0,
    NOTE_A4, NOTE_G4, NOTE_A4, 0,

    NOTE_E4, NOTE_G4, NOTE_A4, NOTE_A4, 0,
    NOTE_A4, NOTE_C5, NOTE_D5, NOTE_D5, 0,
    NOTE_D5, NOTE_E5, NOTE_F5, NOTE_F5, 0,
    NOTE_E5, NOTE_D5, NOTE_E5, NOTE_A4, 0,

    NOTE_A4, NOTE_B4, NOTE_C5, NOTE_C5, 0,
    NOTE_D5, NOTE_E5, NOTE_A4, 0,
    NOTE_A4, NOTE_C5, NOTE_B4, NOTE_B4, 0,
    NOTE_C5, NOTE_A4, NOTE_B4, 0
};

const int durations[] = {
    125, 125, 250, 125, 125,
    125, 125, 250, 125, 125,
    125, 125, 250, 125, 125,
    125, 125, 375, 125,

    125, 125, 250, 125, 125,
    125, 125, 250, 125, 125,
    125, 125, 250, 125, 125,
    125, 125, 375, 125,

    125, 125, 250, 125, 125,
    125, 125, 250, 125, 125,
    125, 125, 250, 125, 125,
    125, 125, 125, 250, 125,

    125, 125, 250, 125, 125,
    250, 125, 250, 125,
    125, 125, 250, 125, 125,
    125, 125, 375, 375
};

void setup() {
    for (uint8_t i = 0; i < sizeof(buttonPins) / sizeof(buttonPins[0]); i++) {
        pinMode(buttonPins[i], INPUT_PULLUP); 
    }
    pinMode(buzzerPin, OUTPUT); 
    pinMode(songPin, INPUT_PULLUP); 
}

void loop() {
    // Check if the song button is pressed
    if (digitalRead(songPin) == LOW) {
        playSong();
    } else {
        int pitch = 0;
        for (uint8_t i = 0; i < sizeof(buttonPins) / sizeof(buttonPins[0]); i++) {
            if (digitalRead(buttonPins[i]) == LOW) {
                pitch = buttonTones[i]; 
                break; 
            }
        }

        if (pitch) {
            tone(buzzerPin, pitch);
        } else {
            noTone(buzzerPin); 
        }
    }

    delay(50);
}

void playSong() {
    for (int i = 0; i < sizeof(notes) / sizeof(notes[0]); i++) {
        if (notes[i] != 0) {
            tone(buzzerPin, notes[i]);
            delay(durations[i]); 
        } else {
            noTone(buzzerPin); 
            delay(50); 
        }
    }
    noTone(buzzerPin); 
}