# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.

# Make coding more python3-ish
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type


class FakeLibRouterosError(Exception):
    def __init__(self, message):
        self.message = message
        super(FakeLibRouterosError, self).__init__(self.message)


class TrapError(FakeLibRouterosError):
    def __init__(self, message="failure: already have interface with such name"):
        super(TrapError, self).__init__(message)


# fixtures
class fake_ros_api(object):
    def __init__(self, api, path):
        pass

    def path(self, api, path):
        fake_bridge = [{".id": "*DC", "name": "b2", "mtu": "auto", "actual-mtu": 1500,
                        "l2mtu": 65535, "arp": "enabled", "arp-timeout": "auto",
                        "mac-address": "3A:C1:90:D6:E8:44", "protocol-mode": "rstp",
                        "fast-forward": "true", "igmp-snooping": "false",
                        "auto-mac": "true", "ageing-time": "5m", "priority":
                        "0x8000", "max-message-age": "20s", "forward-delay": "15s",
                        "transmit-hold-count": 6, "vlan-filtering": "false",
                        "dhcp-snooping": "false", "running": "true", "disabled": "false"}]
        return fake_bridge

    def arbitrary(self, api, path):
        def retr(self, *args, **kwargs):
            if 'name' not in kwargs.keys():
                raise TrapError(message="no such command")
            dummy_test_string = '/interface/bridge add name=unit_test_brige_arbitrary'
            result = "/%s/%s add name=%s" % (path[0], path[1], kwargs['name'])
            return [result]
        return retr

    def add(self, name):
        if name == "unit_test_brige_exist":
            raise TrapError
        return '*A1'

    def remove(self, id):
        if id != "*A1":
            raise TrapError(message="no such item (4)")
        return '*A1'

    def update(self, **kwargs):
        if kwargs['.id'] != "*A1" or 'name' not in kwargs.keys():
            raise TrapError(message="no such item (4)")
        return ["updated: {'.id': '%s' % kwargs['.id'], 'name': '%s' % kwargs['name']}"]

    def select(self, *args):
        dummy_bridge = [{".id": "*A1", "name": "dummy_bridge_A1"},
                        {".id": "*A2", "name": "dummy_bridge_A2"},
                        {".id": "*A3", "name": "dummy_bridge_A3"}]

        result = []
        for dummy in dummy_bridge:
            found = {}
            for search in args:
                if search in dummy.keys():
                    found[search] = dummy[search]
                else:
                    continue
            if len(found.keys()) == 2:
                result.append(found)

        if result:
            return result
        else:
            return ["no results for 'interface bridge 'query' %s" % ' '.join(args)]

    def select_where(self, api, path):
        api_path = Where()
        return api_path


class Where(object):
    def __init__(self):
        pass

    def select(self, *args):
        return self

    def where(self, *args):
        return ["*A1"]


class Key(object):
    def __init__(self, name):
        self.name = name
        self.str_return()

    def str_return(self):
        return str(self.name)