from signal import signal, SIGINT
from time import sleep, time
from pyowm import OWM
from pcf8574 import PCF8574
from digital import DigitalOut, DigitalIn, R_TRIG
from blind import WindowBlind

running = 1

def handler(signum, frame):
    global running
    running = 0

def getWindSpeed(city):
    owm = OWM('your-API-key')
    return owm.weather_at_place(city).get_weather().get_wind()['speed']

if __name__=="__main__":
    signal(SIGINT, handler)
    triggerUp, triggerDown = R_TRIG(), R_TRIG()
    lastWeatherCheck = 0

    with PCF8574(bus=1, addr=0x20) as outputs, PCF8574(bus=1, addr=0x38) as inputs:
        outUp, outDown = DigitalOut(outputs, 0), DigitalOut(outputs, 1)
        inUp, inDown = DigitalIn(inputs, 0), DigitalIn(inputs, 1)
        blind = WindowBlind(20, 21, outUp, outDown)

        while running:
            if triggerUp(inUp.getValue()):
                blind.up()
            if triggerDown(inDown.getValue()):
                blind.down()
            if time() - lastWeatherCheck > 900:
                if getWindSpeed("Vienna,at") > 10:
                    blind.up()
                lastWeatherCheck = time()

            blind.run()
            sleep(.05)