from typing import List
from MAXDevice import MAXDevice, MAXThermostat, MAXPushButton
from MAXCube import CUL
from MAXPacketHandler import MAXPacketHandler
from MAXPacket import MAXPacketFactory
from time import sleep
import sys
import signal

DEBUG = True

devices: List[MAXDevice] = []
quit_flag = False
cube: CUL = None
handler: MAXPacketHandler = None


def read_devices(file_name):
    file = open(file_name, "r")
    lines = file.readlines()
    file.close()

    for line in lines:
        if not line.startswith("#") and line.strip() != "\n":
            new_dev = MAXDevice.from_string(line)
            if new_dev is not None:
                devices.append(new_dev)


def write_devices(file_name):
    file = open(file_name, "w")
    for device in devices:
        dev_str = device.serialize().replace("\n", "")
        file.write(dev_str)
        file.write("\n")
    file.close()


def receive_loop():
    global quit_flag
    while not quit_flag and cube.is_connected():
        try:
            resp = cube.response()
            if resp is not None and resp[0:1] == "Z":
                pkt = MAXPacketFactory.create_packet(resp)
                handler.handle_msg(pkt)
            sleep(0.1)
        except KeyboardInterrupt:
            quit_flag = True
            return


if __name__ == '__main__':
    read_devices("devices.conf")
    cube = CUL("123456")
    cube.connect("COM10")
    print(cube.version_string())
    handler = MAXPacketHandler(cube, devices)
    signal.signal(signal.SIGINT, signal.default_int_handler)
    receive_loop()
    cube.disconnect()
    write_devices("devices.conf")