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import sys

from .unix.unix_lister import UnixLister
from .windows.lister_win32 import Win32Lister


class DeviceLister:
    def __init__(self):
        if sys.platform == "win32":
            self.lister_backend = Win32Lister()
        elif "linux" in sys.platform:
            self.lister_backend = UnixLister()
        elif sys.platform == "darwin":
            self.lister_backend = UnixLister()
        else:
            self.lister_backend = None

    def enumerate(self):
        if self.lister_backend:
            return self.lister_backend.enumerate()
        return []

    def get_device(self, get_all=False, **kwargs):
        devices = self.enumerate()
        matching_devices = []
        for dev in devices:
            if (
                "vendor_id" in kwargs
                and kwargs["vendor_id"].lower() != dev.vendor_id.lower()
            ):
                continue
            if (
                "product_id" in kwargs
                and kwargs["product_id"].lower() != dev.product_id.lower()
            ):
                continue
            if "serial_number" in kwargs and (
                kwargs["serial_number"].lower().lstrip("0")
                != dev.serial_number.lower().lstrip("0")
            ):
                continue
            if "com" in kwargs and not dev.has_com_port(kwargs["com"]):
                continue

            matching_devices.append(dev)

        if not get_all:
            if len(matching_devices) == 0:
                return
            return matching_devices[0]
        return matching_devices
