# Copyright (c) Facebook, Inc. and its affiliates.

# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.

from __future__ import absolute_import, division, print_function, unicode_literals

from wadebug import results
from wadebug.wa_actions import docker_utils
from wadebug.wa_actions.base import WAAction


INVALID_CHARACTERS = "?{}&~!()^="


class CheckMySQLPassword(WAAction):
    user_facing_name = "check_mysql_password"
    short_description = "Test if database password has any invalid characters"
    config_dependencies = ("db.password",)

    @classmethod
    def _run(cls, config, *args, **kwargs):
        errors = []
        wa_containers = docker_utils.get_running_wa_containers()
        if wa_containers:
            password = docker_utils.get_mysql_password(wa_containers[0])
        else:
            # if containers not giving password then get password from db config file
            password = config.get("db").get("password")

        if set(INVALID_CHARACTERS) & set(password):
            errors.append(
                "Please make sure mysql password do not have "
                "any special characters from {}".format(INVALID_CHARACTERS)
            )

        if errors:
            return results.Problem(
                cls,
                "Your mysql password contains some invalid characters",
                "\n".join(errors),
                "",
            )
        return results.OK(cls)