from machine import Pin, PWM, ADC
from time import sleep

# servo class
class Servo:
    def __init__(self, pin):
        self.servo = PWM(Pin(pin))
        self.servo.freq(50)

    def set_from_adc(self, adc_value):
        servo_duty = int(3000 + adc_value * 4000 / 65536)
        self.servo.duty_u16(servo_duty)

# buzzer class
class Buzzer:
    def __init__(self, pin):
        self.buzzer = PWM(Pin(pin))
        self.off()

    def beep(self, duty=1000, freq=1000, times=1):
        for _ in range(times):
            self.buzzer.freq(freq)
            self.buzzer.duty_u16(duty)
            sleep(0.2)
            self.off()
            sleep(0.1)

    def winning_sound(self):
        print("Winner!")
        self.beep(3)
        self.buzzer.duty_u16(5000)

    def off(self):
        self.buzzer.duty_u16(0)

# button class
class Button:
    def __init__(self, pin):
        self.button = Pin(pin, Pin.IN, Pin.PULL_UP)

    def pressed(self):
        return self.button.value() == 0  # Active-low

# ldr_game class
class LDR_Game:
    def __init__(self, servo1, servo2, pot1, pot2, ldr, buzzer, button):
        self.servo1 = servo1
        self.servo2 = servo2
        self.pot1 = pot1
        self.pot2 = pot2
        self.ldr = ldr
        self.buzzer = buzzer
        self.button = button
        self.score = 0
        self.game_started = False

    def starting(self):
        print("Press button to start the game...")
        while not self.button.pressed():
            sleep(0.1)
        sleep(0.2)  # Debounce
        while self.button.pressed():
            sleep(0.1)
        print("Game Started!")
        self.game_started = True
        self.reset()

    def reset(self):
        self.score = 0
        self.buzzer.beep(2)
        print("Ready for new game")

    def move_servos(self):
        self.servo1.set_from_adc(self.pot1.read_u16())
        self.servo2.set_from_adc(self.pot2.read_u16())

    def check_ldr(self):
        ldr_value = self.ldr.read_u16()
        if ldr_value <5000:  # strong light detected
            self.score += 10
            self.buzzer.buzzer.freq(self.score + 100)
            self.buzzer.buzzer.duty_u16(self.score + 1000)
            print("Score:", self.score)
            if self.score > 1000:
                self.buzzer.winning_sound()
                self.reset()
                self.game_started = False
        else:
            self.buzzer.off()

# set up hardware
ldr = ADC(Pin(28))
pot1 = ADC(Pin(26))
pot2 = ADC(Pin(27))
servo1 = Servo(0)
servo2 = Servo(1)
buzzer = Buzzer(14)
button = Button(16)

# instantiate game
game = LDR_Game(servo1, servo2, pot1, pot2, ldr, buzzer, button)

# wait for button to be pressed to start the game
game.starting()

# main loop
while True:
    if game.game_started:
        game.move_servos()
        game.check_ldr()
    sleep(0.1)