from machine import I2C, Pin, PWM
from time import sleep
import i2c_lcd

# Inisialisasi LCD I2C
i2c = I2C(0, sda=Pin(21), scl=Pin(22), freq=400000)
addr = i2c.scan()[0] if i2c.scan() else 0x27
lcd = i2c_lcd.I2cLcd(i2c, addr, 2, 16)

# Inisialisasi Buzzer
buzzer = PWM(Pin(18))
buzzer.duty(512)

# Nada (frekuensi Hz)
notes = {
    'B4': 494, 'C5': 523, 'D5': 587, 'E5': 659,
    'A4': 440, 'G4': 392
}

# Liriksswoi
lines = [
    "You know you're on my mind",
    "And if the world don't break",
    "I'll be shaking it",
    "'Cause I'm a young man after all",
    "And when the seasons change",
    "Will you stand by me",
    "'Cause I'm a young man built to fall"
]

# Melodiwoiik
melody_lines = [
    ['B4','A4','G4','A4','B4','A4'],
    ['G4','A4','B4','C5','B4','A4'],
    ['G4','A4','B4','C5','B4'],
    ['C5','D5','C5','B4','C5','D5','E5','D5'],
    ['D5','C5','B4','C5','D5','C5'],
    ['B4','C5','D5','C5','B4'],
    ['C5','D5','C5','B4','C5','D5','E5','D5']
]

# Ketukannwoiik
beats_lines = [
    [4,4,4,4,4,2],
    [4,4,4,4,4,2],
    [4,4,4,4,2],
    [4,4,4,4,4,4,2,2],
    [4,4,4,4,4,2],
    [4,4,4,4,2],
    [4,4,4,4,4,4,2,2]
]

def display_full_sentence(text):
    lcd.clear()
    top = text[:16]       
    bottom = text[16:32]  
    lcd.move_to(0,0)
    lcd.putstr(top)
    lcd.move_to(0,1)
    lcd.putstr(bottom)

def play_bar(line, melody, beats):
    display_full_sentence(line)  
    for i, note in enumerate(melody):
        freq = notes.get(note, 0)
        dur = beats[i]
        if freq > 0:
            buzzer.freq(freq)
            buzzer.duty(512)
        else:
            buzzer.duty(0)
        sleep(0.4 * (4/dur)) 
        buzzer.duty(0)
        sleep(0.05)           
    sleep(1)                  

while True:
    for i in range(len(lines)):
        play_bar(lines[i], melody_lines[i], beats_lines[i])
    lcd.clear()
    lcd.putstr("The End. :3")
    sleep(3)