import os
import time
import threading
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():
    logfmt = "%(asctime)s [%(levelname)-5.5s] [%(name)s]  %(message)s"
    logging.basicConfig(level=logging.INFO, format=logfmt, filename="dsmr2mqtt.log")
    # set up logging to console
    consolelog = logging.StreamHandler()
    consolelog.setLevel(logging.INFO)
    # set a format which is simpler for console use
    formatter = logging.Formatter(logfmt)
    consolelog.setFormatter(formatter)
    logging.getLogger("").addHandler(consolelog)

    cfg = Settings()
    protocol_version: str = str(cfg.dsmr_protocol)
    if 'V2' in protocol_version:
        serial_setup = SERIAL_SETTINGS_V2_2
        spec = telegram_specifications.V2_2
    elif 'V3' in protocol_version:
        serial_setup = SERIAL_SETTINGS_V4
        spec = telegram_specifications.V3
    elif 'V4' in protocol_version:
        serial_setup = SERIAL_SETTINGS_V4
        spec = telegram_specifications.V4
    else:
        serial_setup = SERIAL_SETTINGS_V5
        spec = telegram_specifications.V5

    device = Device_DSMR("dsmr", name="Digitale Slimme Meter")
    serial_reader = SerialReader(cfg.dsmr_port, serial_setup, spec)

    def handle_next_telegram():
        telegram = next(serial_reader.read_as_object())
        device.update(telegram)
        logger.info(f"New telegram at {telegram.P1_MESSAGE_TIMESTAMP.value}")

    def startTimer():
        threading.Timer(cfg.dsmr_update_interval, startTimer).start()
        handle_next_telegram()

    startTimer()
    # for telegram in serial_reader.read_as_object():
    #         device.update(telegram)
    


if __name__ == "__main__":
    main()