from machine import Pin, PWM, ADC
import utime

# Buzzer pinleri
buzzers = [PWM(Pin(2)), PWM(Pin(3)), PWM(Pin(4)), PWM(Pin(5))]
effect_buzzer1 = PWM(Pin(18))
effect_buzzer2 = PWM(Pin(19))

# LED pinleri
leds = [Pin(6, Pin.OUT), Pin(7, Pin.OUT), Pin(8, Pin.OUT)]

# Potansiyometre
pot = ADC(Pin(26))

# Butonlar
button1 = Pin(14, Pin.IN, Pin.PULL_DOWN)
button2 = Pin(15, Pin.IN, Pin.PULL_DOWN)

# HC-SR04
trigger = Pin(16, Pin.OUT)
echo = Pin(17, Pin.IN)

def measure_distance():
    trigger.low()
    utime.sleep_us(2)
    trigger.high()
    utime.sleep_us(10)
    trigger.low()
    duration = utime.time_pulse_us(echo, 1, 30000)
    distance_cm = (duration * 0.0343) / 2
    return distance_cm

def set_led(index):
    for i in range(3):
        leds[i].value(1 if i == index else 0)

def play_note(buzzer, freq, duration_ms):
    buzzer.freq(freq)
    buzzer.duty_u16(30000)
    utime.sleep_ms(duration_ms)
    buzzer.duty_u16(0)

def mario_theme():
    notes = [659, 659, 0, 659, 0, 523, 659, 0, 784]
    durations = [150,150,150,150,150,150,150,150,150]
    for freq, dur in zip(notes, durations):
        for b in buzzers:
            if freq > 0:
                play_note(b, freq, dur)
        utime.sleep_ms(50)

def giorno_theme():
    notes = [440, 494, 523, 587, 659, 698, 784]
    durations = [200,200,200,200,200,200,200]
    for freq, dur in zip(notes, durations):
        for b in buzzers:
            play_note(b, freq, dur)
        utime.sleep_ms(50)

def ba_dum_tss():
    play_note(effect_buzzer1, 196, 300)
    play_note(effect_buzzer1, 220, 300)
    play_note(effect_buzzer1, 196, 150)
    play_note(effect_buzzer1, 82, 600)

def sad_effect():
    play_note(effect_buzzer2, 392, 300)
    play_note(effect_buzzer2, 370, 300)
    play_note(effect_buzzer2, 349, 300)
    play_note(effect_buzzer2, 330, 600)

while True:
    distance = measure_distance()
    tempo = int(pot.read_u16() / 65535 * 200) + 50  # tempo 50–250 ms arası

    if button1.value():
        ba_dum_tss()
    elif button2.value():
        sad_effect()
    elif distance < 100:
        set_led(0)
        giorno_theme()
    elif distance < 200:
        set_led(1)
        mario_theme()
    else:
        set_led(2)
        for b in buzzers:
            b.duty_u16(0)  # Hepsini sustur
        utime.sleep(0.1)