import logging
import uuid
from datetime import datetime
import logging
import click

from iottb.utils.string_processing import make_canonical_name

logger = logging.getLogger(__name__)


class DeviceMetadata:
    def __init__(self, device_name, description="", model="", 
            manufacturer="", firmware_version="", device_type="",
            supported_interfaces="", companion_applications="", 
                save_to_file=None):
        self.device_id = str(uuid.uuid4())
        self.device_name = device_name
        cn, aliases = make_canonical_name(device_name)
        self.aliases = aliases
        self.canonical_name = cn
        self.date_added = datetime.now().isoformat()
        self.description = description
        self.model = model
        self.manufacturer = manufacturer
        self.current_firmware_version = firmware_version
        self.device_type = device_type
        self.supported_interfaces = supported_interfaces
        self.companion_applications = companion_applications
        self.last_metadata_update = datetime.now().isoformat()
        if save_to_file is not None:
            click.echo('TODO: Implement saving config to file after creation!')

    def add_alias(self, alias: str = ""):
        if alias == "":
            return
        self.aliases.append(alias)

    def get_canonical_name(self):
        return self.canonical_name

    def print_attributes(self):
        print(f'Printing attribute value pairs in {__name__}')
        for attr, value in self.__dict__.items():
            print(f'{attr}: {value}')