from machine import Pin, I2C, PWM
import ssd1306
import time

# OLED setup
i2c = I2C(0, scl=Pin(22), sda=Pin(21))
oled = ssd1306.SSD1306_I2C(128, 64, i2c)

# Buzzer setup
buzzer = PWM(Pin(25))
buzzer.duty(0)

# Notes (frequencies)
notes = {
    "C": 261, "D": 294, "E": 329,
    "F": 349, "G": 392, "A": 440, "B": 493
}

# Lyrics + notes
song = [
    ("Now Playing", "C"),
    ("Bairan...", "E"),
    ("Mann mora...", "G"),
    ("Dil ye bole...", "A"),
    ("Aa re...", "C")
]

def play_note(note, duration):
    buzzer.freq(notes[note])
    buzzer.duty(512)
    time.sleep(duration)
    buzzer.duty(0)

# Scrolling function
def scroll_text(text, y, note):
    for x in range(128, -len(text)*8, -2):  # move left
        oled.fill(0)
        oled.text(text, x, y)
        oled.show()
        
        buzzer.freq(notes[note])
        buzzer.duty(200)  # soft continuous tone
        time.sleep(0.03)
    
    buzzer.duty(0)

while True:
    for line, note in song:
        scroll_text(line, 25, note)
        time.sleep(0.3)