import os
from dsmr_parser import telegram_specifications
from dsmr_parser.clients import SerialReader, SERIAL_SETTINGS_V2_2, SERIAL_SETTINGS_V4, SERIAL_SETTINGS_V5

from app_settings import Settings
from device_dsmr import Device_DSMR
from serial import SerialException

import logging

logger = logging.getLogger(__name__)


def main():
    logging.basicConfig(format='%(asctime)s (%(levelname)s) [%(name)s] %(message)s', level=logging.INFO)
    cfg = Settings()
    protocol_version: str = str(cfg.dsmr_protocol)
    dev = str(cfg.dsmr_port)
    if 'V2' in protocol_version:
        devsettings = SERIAL_SETTINGS_V2_2
        spec = telegram_specifications.V2_2
    elif 'V3' in protocol_version:
        devsettings = SERIAL_SETTINGS_V4
        spec = telegram_specifications.V3
    elif 'V4' in protocol_version:
        devsettings = SERIAL_SETTINGS_V4
        spec = telegram_specifications.V4
    else:
        devsettings = SERIAL_SETTINGS_V5
        spec = telegram_specifications.V5

    device = Device_DSMR("dsmr", name="Digitale Slimme Meter")

    serial_reader = SerialReader(dev, devsettings, spec)
    while True:
        try:
            telegram = next(serial_reader.read_as_object())
        except SerialException as serial_exc:
            logger.warning("Serial exception", exc_info=serial_exc)
    for telegram in serial_reader.read_as_object():
        device.update(telegram)

if __name__ == "__main__":
    main()