import os
import logging
logging.basicConfig(
        format='[%(asctime)s] %(levelname)s %(module)s/%(funcName)s - %(message)s',
        level=logging.DEBUG if os.environ.get('DEBUG') else logging.INFO)
#logging.getLogger('aiohttp').setLevel(logging.DEBUG if os.environ.get('DEBUG') else logging.WARNING)

import asyncio
from statistics import mean

import w1therm
import relays
import data

HI_SETPOINT = 40.0
LO_SETPOINT = 30.0

FAN_RELAY = relays.RELAY3

async def main():
    relays.init_relays()

    while True:
        try:
            temps = await w1therm.get_temperatures()
            if len(temps) != len(data.PROBES):
                raise
        except:
            logging.error('Problem reading temperature probes! Setting fan on and sleeping.')
            relays.set_relay(FAN_RELAY, relays.RELAY_ON)
            await asyncio.sleep(60)
            continue

        temperature_log = []
        for id_, temp in temps.items():
            temperature_log.append('{}: {} C'.format(data.PROBES[id_], temp))
        logging.info('Temperature probe ' + ', '.join(temperature_log))

        temperature_list = list(temps.values())
        temperature_mean = mean(temperature_list)

        if temperature_mean > HI_SETPOINT:
            logging.info('Turning fan on')
            relays.set_relay(FAN_RELAY, relays.RELAY_ON)
        elif temperature_mean < LO_SETPOINT:
            logging.info('Turning fan off')
            relays.set_relay(FAN_RELAY, relays.RELAY_OFF)

        await asyncio.sleep(10)

if __name__ == '__main__':
    loop = asyncio.get_event_loop()
    loop.run_until_complete(main())
    loop.close()