from machine import Pin, PWM
from time import sleep
import cloud as cl

def pwm_angle(angle: float) -> float:
  return int(((angle)/180 *2 + 0.5) / 20 * 1023)

def luminosity_to_pwm_angle(ldr_value: int):
  MIN_ANALOG_VALUE, MAX_ANALOG_VALUE = 32, 4063
  MAX_ANGLE = 180

  angle = MAX_ANGLE - ((ldr_value - MIN_ANALOG_VALUE) / (MAX_ANALOG_VALUE - MIN_ANALOG_VALUE)) * MAX_ANGLE
  return pwm_angle(angle)

power_button = Pin(18, Pin.IN)
cloud = cl.Cloud('Wokwi-GUEST', '')

is_on = int(cloud.read_status())
luminosity = int(cloud.read_luminosity())

pwm = luminosity_to_pwm_angle(luminosity)
servo = PWM(Pin(2), freq=50, duty=pwm)

leds_system_on = {
  1: Pin(14, Pin.OUT),
  0: Pin(12, Pin.OUT)
}

leds_system_on[0].off()
leds_system_on[1].off()

leds_system_on[is_on].on()

while True:
  power_button_value = power_button.value()

  if power_button_value and not previous_power_button_value:
    is_on = abs(is_on - 1)
    leds_system_on[is_on].on()
    leds_system_on[abs(is_on - 1)].off()
    cloud.update_fields(luminosity, is_on)

  previous_power_button_value = power_button_value 

  if not is_on:
    sleep(0.1)
    continue

  luminosity = cloud.read_luminosity()

  if luminosity == None:
    luminosity = 0
  else:
    luminosity = int(luminosity)

  print('> Luminosity: ', luminosity)
  pwm = luminosity_to_pwm_angle(luminosity)

  print(f'> Moving blinds...')
  servo.duty(pwm)

  sleep(10)