# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.
"""
Softlayer connection
"""

from libcloud.common.base import ConnectionUserAndKey
from libcloud.common.xmlrpc import XMLRPCResponse, XMLRPCConnection
from libcloud.common.types import InvalidCredsError, LibcloudError


class SoftLayerException(LibcloudError):
    """
    Exception class for SoftLayer driver
    """

    pass


class SoftLayerObjectDoesntExist(LibcloudError):
    """
    Exception class for SoftLayer driver object doesnt exist
    """

    pass


class SoftLayerResponse(XMLRPCResponse):
    defaultExceptionCls = SoftLayerException
    exceptions = {
        "SoftLayer_Account": InvalidCredsError,
        "SoftLayer_Exception_ObjectNotFound": SoftLayerObjectDoesntExist,
    }


class SoftLayerConnection(XMLRPCConnection, ConnectionUserAndKey):
    responseCls = SoftLayerResponse
    host = "api.softlayer.com"
    endpoint = "/xmlrpc/v3"

    def request(self, service, method, *args, **kwargs):
        headers = {}
        headers.update(self._get_auth_headers())
        headers.update(self._get_init_params(service, kwargs.get("id")))
        headers.update(self._get_object_mask(service, kwargs.get("object_mask")))
        headers.update(self._get_object_mask(service, kwargs.get("object_mask")))

        args = ({"headers": headers},) + args
        endpoint = "%s/%s" % (self.endpoint, service)
        return super(SoftLayerConnection, self).request(
            method, *args, **{"endpoint": endpoint}
        )

    def _get_auth_headers(self):
        return {"authenticate": {"username": self.user_id, "apiKey": self.key}}

    def _get_init_params(self, service, id):
        if id is not None:
            return {"%sInitParameters" % service: {"id": id}}
        else:
            return {}

    def _get_object_mask(self, service, mask):
        if mask is not None:
            return {"%sObjectMask" % service: {"mask": mask}}
        else:
            return {}