"""
Copyright (c) 2017 SONATA-NFV and Paderborn University
ALL RIGHTS RESERVED.

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.

Neither the name of the SONATA-NFV, Paderborn University
nor the names of its contributors may be used to endorse or promote
products derived from this software without specific prior written
permission.

This work has been performed in the framework of the SONATA project,
funded by the European Commission under Grant number 671517 through
the Horizon 2020 and 5G-PPP programmes. The authors would like to
acknowledge the contributions of their colleagues of the SONATA
partner consortium (www.sonata-nfv.eu).
"""
class Server(object):
    def __init__(self, name, id=None, flavor=None, image=None, command=None, nw_list=None):
        self.name = name
        self.full_name = None
        self.template_name = None
        self.id = id
        self.image = image
        self.command = command
        self.port_names = list()
        self.properties = dict()
        self.flavor = flavor
        self.son_emu_command = None
        self.emulator_compute = None

    def compare_attributes(self, other):
        """
        Compares only class attributes like name and flavor but not the list of ports with the other server.

        :param other: The second server to compare with.
        :type other: :class:`heat.resources.server`
        :return: * *True*: If all attributes are alike.
            * *False*: Else
        :rtype: ``bool``
        """
        if self.name == other.name and self.full_name == other.full_name and \
                        self.flavor == other.flavor and \
                        self.image == other.image and \
                        self.command == other.command:
            return True
        return False

    def __eq__(self, other):
        if self.name == other.name and self.full_name == other.full_name and \
                        self.flavor == other.flavor and \
                        self.image == other.image and \
                        self.command == other.command and \
                        len(self.port_names) == len(other.port_names) and \
                        set(self.port_names) == set(other.port_names):
            return True
        return False

    def create_server_dict(self, compute=None):
        """
        Creates the server description dictionary.

        :param compute: The compute resource for further status information.
        :type compute: :class:`heat.compute`
        :return: Server description dictionary.
        :rtype: ``dict``
        """
        server_dict = dict()
        server_dict['name'] = self.name
        server_dict['full_name'] = self.full_name
        server_dict['id'] = self.id
        server_dict['template_name'] = self.template_name
        server_dict['flavor'] = self.flavor
        server_dict['image'] = self.image
        if self.son_emu_command is not None:
            server_dict['command'] = self.son_emu_command
        else:
            server_dict['command'] = self.command

        if compute is not None:
            server_dict['status'] = 'ACTIVE'
            server_dict['OS-EXT-STS:power_state'] = 1
            server_dict["OS-EXT-STS:task_state"] = None
        return server_dict
