#  Copyright (c) 2015-2018 Cisco Systems, Inc.
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"""Side-effect Command Module."""

import logging

import click

from molecule.command import base

LOG = logging.getLogger(__name__)


class SideEffect(base.Base):
    """
    This action has side effects and not enabled by default.

    See the provisioners documentation for further details.

    .. program:: molecule side-effect

    .. option:: molecule side-effect

        Target the default scenario.

    .. program:: molecule side-effect --scenario-name foo

    .. option:: molecule side-effect --scenario-name foo

        Targeting a specific scenario.

    .. program:: molecule --debug side-effect

    .. option:: molecule --debug side-effect

        Executing with `debug`.

    .. program:: molecule --base-config base.yml side-effect

    .. option:: molecule --base-config base.yml side-effect

        Executing with a `base-config`.

    .. program:: molecule --env-file foo.yml side-effect

    .. option:: molecule --env-file foo.yml side-effect

        Load an env file to read variables from when rendering
        molecule.yml.
    """

    def execute(self):
        """
        Execute the actions necessary to perform a `molecule side-effect` and \
        returns None.

        :return: None
        """
        if not self._config.provisioner.playbooks.side_effect:
            msg = "Skipping, side effect playbook not configured."
            LOG.warning(msg)
            return

        self._config.provisioner.side_effect()


@base.click_command_ex()
@click.pass_context
@click.option(
    "--scenario-name",
    "-s",
    default=base.MOLECULE_DEFAULT_SCENARIO_NAME,
    help="Name of the scenario to target. ({})".format(
        base.MOLECULE_DEFAULT_SCENARIO_NAME
    ),
)
def side_effect(ctx, scenario_name):  # pragma: no cover
    """Use the provisioner to perform side-effects to the instances."""
    args = ctx.obj.get("args")
    subcommand = base._get_subcommand(__name__)
    command_args = {"subcommand": subcommand}

    base.execute_cmdline_scenarios(scenario_name, args, command_args)