#!/usr/bin/env python

#   Copyright 2021 Red Hat, Inc.
#
#   Licensed under the Apache License, Version 2.0 (the "License"); you may
#   not use this file except in compliance with the License. You may obtain
#   a copy of the License at
#
#        http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#   WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#   License for the specific language governing permissions and limitations
#   under the License.
import sys

from cliff.app import App
from cliff.commandmanager import CommandManager


class ValidationCliApp(App):
    """Cliff application for the `ValidationCli` tool.
    :param description: one-liner explaining the program purpose
    :param version: application version number
    :param command_manager: plugin loader
    :param deferred_help: Allow subcommands to accept `--help` with allowing
    to defer help print after initialize_app
    """

    def __init__(self):
        super(ValidationCliApp, self).__init__(
            description="Validations Framework Command Line Interface (CLI)",
            version='1.0',
            command_manager=CommandManager('validation.cli'),
            deferred_help=True,
            )

    def initialize_app(self, argv):
        self.LOG.debug('Initialize Validation App.')

    def prepare_to_run_command(self, cmd):
        self.LOG.debug(
            'prepare_to_run_command {}'.format(cmd.__class__.__name__))

    def clean_up(self, cmd, result, err):
        self.LOG.debug(
            'clean_up {}'.format(cmd.__class__.__name__))
        if err:
            self.LOG.debug('got an error: {}'.format(err))


def main(argv=sys.argv[1:]):
    v_cli = ValidationCliApp()
    return v_cli.run(argv)


if __name__ == '__main__':
    sys.exit(main(sys.argv[1:]))