# 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 typing as ty

from keystoneauth1 import identity
from keystoneauth1 import loading
from keystoneauth1.loading import opts


class Token(loading.BaseV2Loader[identity.V2Token]):
    """Given an existing token rescope it to another target.

    Use the Identity service's rescope mechanism to get a new token based upon
    an existing token. Because an auth plugin requires a service catalog and
    scope information it is often easier to fetch a new token based on an
    existing one than validate and reuse the one you already have.
    """

    @property
    def plugin_class(self) -> ty.Type[identity.V2Token]:
        return identity.V2Token

    def get_options(self) -> list[opts.Opt]:
        options = super().get_options()

        options.extend([loading.Opt('token', secret=True, help='Token')])

        return options


class Password(loading.BaseV2Loader[identity.V2Password]):
    """Authenticate with a username and password.

    Authenticate to the identity service using the provided username and
    password. This is the standard and most common form of authentication.
    """

    @property
    def plugin_class(self) -> ty.Type[identity.V2Password]:
        return identity.V2Password

    def get_options(self) -> list[opts.Opt]:
        options = super().get_options()

        options.extend(
            [
                loading.Opt(
                    'username',
                    deprecated=[loading.Opt('user-name')],
                    help='Username to login with',
                ),
                loading.Opt('user-id', help='User ID to login with'),
                loading.Opt(
                    'password',
                    secret=True,
                    prompt='Password: ',
                    help='Password to use',
                ),
            ]
        )

        return options