import machine
import time

# Konfigurasi Pin Buzzer 
# (Ganti angka 15 sesuai dengan pin GPIO yang kamu gunakan)
buzzer_pin = machine.Pin(15)
buzzer = machine.PWM(buzzer_pin)

# Kamus Frekuensi Nada (Tangga nada C Major)
NOTES = {
    'C4': 262, 'D4': 294, 'E4': 330, 'F4': 349,
    'G4': 392, 'A4': 440, 'B4': 494, 'C5': 523,
    'REST': 0
}

# Pengaturan Tempo: Andante (100 BPM)
BPM = 100
BEAT_DURATION = 60 / BPM

# Melodi Balonku beserta liriknya
# Format: (Nada, Jumlah Ketukan, "Suku Kata Lirik")
melody = [
    # Pickup
    ('E4', 0.5, "Ba"), ('F4', 0.5, "-lon"),
    
    # Bar 1
    ('G4', 1.5, "-ku "), ('C5', 0.5, "a"), ('G4', 1.0, "-da "), ('E4', 1.0, "li"),
    
    # Bar 2
    ('G4', 2.0, "-ma\n"), ('REST', 1.0, ""), ('D4', 0.5, "ru"), ('E4', 0.5, "-pa "),
    
    # Bar 3
    ('F4', 1.0, "ru"), ('D4', 1.0, "-pa "), ('G4', 1.0, "war"), ('F4', 1.0, "-na"),
    
    # Bar 4
    ('E4', 2.0, "-nya\n"), ('REST', 1.0, ""), ('C4', 0.5, "hi"), ('C4', 0.5, "-jau "),
    
    # Bar 5
    ('A4', 1.0, "ku"), ('A4', 1.0, "-ning "), ('B4', 1.0, "ke"), ('C5', 1.0, "-la"),
    
    # Bar 6
    ('G4', 2.0, "-bu\n"), ('REST', 1.0, ""), ('E4', 0.5, "me"), ('F4', 0.5, "-rah "),
    
    # Bar 7
    ('G4', 1.0, "mu"), ('F4', 1.0, "-da "), ('E4', 1.0, "dan "), ('D4', 1.0, "bi"),
    
    # Bar 8
    ('C4', 2.0, "-ru\n"), ('REST', 1.0, ""), ('E4', 0.5, "me"), ('F4', 0.5, "-le"),
    
    # Bar 9
    ('G4', 1.5, "-tus "), ('C5', 0.5, "ba"), ('G4', 1.0, "-lon "), ('E4', 1.0, "hi"),
    
    # Bar 10
    ('G4', 2.0, "-jau "), ('REST', 1.0, "(DOR!)\n"), ('D4', 0.5, "ha"), ('E4', 0.5, "-ti"),
    
    # Bar 11
    ('F4', 1.0, "-ku "), ('D4', 1.0, "sang"), ('G4', 1.0, "-at "), ('F4', 1.0, "ka"),
    
    # Bar 12
    ('C4', 2.0, "-cau\n")
]

def play_tone(note, duration_beats):
    """Fungsi untuk membunyikan satu nada dengan durasi tertentu."""
    duration_sec = duration_beats * BEAT_DURATION
    
    if note == 'REST' or NOTES[note] == 0:
        buzzer.duty_u16(0) 
        time.sleep(duration_sec)
    else:
        buzzer.freq(NOTES[note])
        buzzer.duty_u16(32768) 
        time.sleep(duration_sec * 0.9)
        buzzer.duty_u16(0)
        time.sleep(duration_sec * 0.1)

# Eksekusi Lagu dan Lirik
try:
    print("=== Balonku Ada Lima ===")
    
    for note, duration, lyric in melody:
        # Cetak lirik tanpa pindah baris (kecuali jika ada \n di liriknya)
        if lyric:
            print(lyric, end='')
            
        play_tone(note, duration)
        
    print("\nSelesai!")

except KeyboardInterrupt:
    print("\nDihentikan oleh pengguna.")

finally:
    buzzer.duty_u16(0)