import os

import sys

import argparse

import logging

import configparser

import pyrpkg.utils

import pyrpkg

# import pyrpkg.cli

import centpkg.api.cli

from ..api import lookaside

class Commands(pyrpkg.Commands):

    def __init__(self, *args, **kwargs):

        """Init the object and some configuration details."""

        super(Commands, self).__init__(*args, **kwargs)

    def lookasidecache(self):

        """A helper to interact with the lookaside cache

        We override this because we need a different download path.

        """

        @pyrpkg.utils.cached_property

        def lookasidecache(self):

            return lookaside.CentOSLookasideCache(

                self.lookasidehash, self.lookaside, self.lookaside_cgi)

def get_log(client):

    """

    Returns a logging level based on client params.

    :param client: pyrpkg.cli.cliClient

    :return: str

    """

    if client.args.v:

        return logging.DEBUG

    if client.args.q:

        return logging.WARNING

    return logging.INFO

def run(*args, **kwargs):

    """

    Runs centpkg command based on args and kwargs.

    It will use sys.argv as cli arguments if no args or kwargs are provided.

    :param args: list

    :param kwargs: dict

    :return: None

    """

    cli_name = kwargs.get('cli_name', 'centpkg')

    parser = argparse.ArgumentParser(add_help=False)

    parser.add_argument(

        '-C', '--config', help='Specify a config file to use',

        default=f'/etc/{cli_name}/{cli_name}.conf')

    (args, other) = parser.parse_known_args()

    if not os.path.exists(args.config) and not other[-1] in ['--help', '-h']:

        sys.stderr.write(f'Invalid config file {cli_name} {args.config}\n')

        sys.exit(1)

    config = configparser.SafeConfigParser()

    config.read(args.config)

    client = centpkg.api.cli.CentPkgCli(config)

    client.do_imports(cli_name)

    client.parse_cmdline()

    if not client.args.path:

        try:

            client.args.path = pyrpkg.utils.getcwd()

        except Exception:

            print('Could not get current path, have you deleted it?')

            sys.exit(1)

    log = pyrpkg.log

    client.setupLogging(log)

    log.setLevel(get_log(client))

    try:

        sys.exit(client.args.command())

    except KeyboardInterrupt:

        pass