"""
This module contains functions for the server
"""

import time

from app.config import UserConfig
from app.lib.populate import Populate, PopulateCancelledError
from app.utils.generators import get_random_str
from app.utils.threading import background
from app.logger import log


@background
def run_periodic_scans():
    """
    Runs periodic scans.

    Periodic scans are checks that run every few minutes
    in the background to do stuff like:
    - checking for new music
    - delete deleted entries
    - downloading artist images, and other data.
    """
    # ValidateAlbumThumbs()
    # ValidatePlaylistThumbs()

    while UserConfig().enablePeriodicScans:

        try:
            Populate(instance_key=get_random_str())
        except PopulateCancelledError:
            log.error("'run_periodic_scans': Periodic scan cancelled.")
            pass

        time.sleep(UserConfig().scanInterval)