#
# (c) 2019, Ansible by Red Hat, inc
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
#

from __future__ import absolute_import, division, print_function


__metaclass__ = type

import itertools

from unittest.mock import patch

from ansible_collections.arista.eos.plugins.module_utils.network.eos.config.acls.acls import (
    add_commands,
)
from ansible_collections.arista.eos.plugins.modules import eos_acls
from ansible_collections.arista.eos.tests.unit.modules.utils import set_module_args

from .eos_module import TestEosModule, load_fixture


class TestEosAclsModule(TestEosModule):
    module = eos_acls

    def setUp(self):
        super(TestEosAclsModule, self).setUp()

        self.mock_get_config = patch(
            "ansible_collections.ansible.netcommon.plugins.module_utils.network.common.network.Config.get_config",
        )
        self.get_config = self.mock_get_config.start()

        self.mock_load_config = patch(
            "ansible_collections.ansible.netcommon.plugins.module_utils.network.common.network.Config.load_config",
        )
        self.load_config = self.mock_load_config.start()

        self.mock_get_resource_connection_config = patch(
            "ansible_collections.ansible.netcommon.plugins.module_utils.network.common.cfg.base.get_resource_connection",
        )
        self.get_resource_connection_config = self.mock_get_resource_connection_config.start()

        self.mock_get_resource_connection_facts = patch(
            "ansible_collections.ansible.netcommon.plugins.module_utils.network.common.facts.facts.get_resource_connection",
        )
        self.get_resource_connection_facts = self.mock_get_resource_connection_facts.start()

        self.mock_edit_config = patch(
            "ansible_collections.arista.eos.plugins.module_utils.network.eos.providers.providers.CliProvider.edit_config",
        )
        self.edit_config = self.mock_edit_config.start()

        self.mock_execute_show_command = patch(
            "ansible_collections.arista.eos.plugins.module_utils.network.eos.facts.acls.acls.AclsFacts.get_device_data",
        )
        self.execute_show_command = self.mock_execute_show_command.start()

    def tearDown(self):
        super(TestEosAclsModule, self).tearDown()
        self.mock_get_resource_connection_config.stop()
        self.mock_get_resource_connection_facts.stop()
        self.mock_edit_config.stop()
        self.mock_get_config.stop()
        self.mock_load_config.stop()
        self.mock_execute_show_command.stop()

    def load_fixtures(self, commands=None, transport="cli", filename=None):
        if filename is None:
            filename = "eos_acls_config.cfg"

        def load_from_file(*args, **kwargs):
            output = load_fixture(filename)
            return output

        self.execute_show_command.side_effect = load_from_file

    def test_eos_acls_merged(self):
        set_module_args(
            dict(
                config=[
                    dict(
                        afi="ipv6",
                        acls=[
                            dict(
                                name="test2",
                                standard="true",
                                aces=[
                                    dict(
                                        sequence="10",
                                        grant="permit",
                                        protocol="tcp",
                                        protocol_options=dict(
                                            tcp=dict(
                                                flags=dict(established="yes"),
                                            ),
                                        ),
                                        source=dict(
                                            subnet_address="30.2.0.0/8",
                                        ),
                                        destination=dict(any="true"),
                                        log="true",
                                    ),
                                ],
                            ),
                        ],
                    ),
                ],
                state="merged",
            ),
        )
        commands = [
            "ipv6 access-list standard test2",
            "10 permit tcp 30.2.0.0/8 any established log",
        ]
        self.execute_module(changed=True, commands=commands)

    def test_eos_acls_merged_idempotent(self):
        set_module_args(
            dict(
                config=[
                    dict(
                        afi="ipv4",
                        acls=[
                            dict(
                                name="test1",
                                aces=[
                                    dict(
                                        sequence="35",
                                        grant="deny",
                                        protocol="tcp",
                                        source=dict(
                                            subnet_address="20.0.0.0/8",
                                        ),
                                        destination=dict(any="true"),
                                        log="true",
                                    ),
                                    dict(
                                        grant="permit",
                                        source=dict(any="true"),
                                        destination=dict(any="true"),
                                        protocol=6,
                                    ),
                                ],
                            ),
                        ],
                    ),
                ],
                state="merged",
            ),
        )
        self.execute_module(changed=False, commands=[])

    def test_eos_acls_replaced(self):
        set_module_args(
            dict(
                config=[
                    dict(
                        afi="ipv4",
                        acls=[
                            dict(
                                name="test1",
                                aces=[
                                    dict(
                                        sequence="10",
                                        grant="permit",
                                        protocol="ospf",
                                        source=dict(
                                            subnet_address="30.2.0.0/8",
                                        ),
                                        destination=dict(any="true"),
                                        log="true",
                                    ),
                                    dict(
                                        sequence="20",
                                        grant="permit",
                                        protocol="ospf",
                                        source=dict(
                                            subnet_address="40.2.0.0/8",
                                        ),
                                        destination=dict(any="true"),
                                        log="true",
                                    ),
                                ],
                            ),
                            dict(
                                name="test3",
                                aces=[
                                    dict(
                                        sequence="50",
                                        grant="permit",
                                        protocol="ospf",
                                        source=dict(
                                            subnet_address="70.2.0.0/8",
                                        ),
                                        destination=dict(any="true"),
                                        log="true",
                                    ),
                                ],
                            ),
                        ],
                    ),
                ],
                state="replaced",
            ),
        )
        commands = [
            "ip access-list test1",
            "no 35",
            "no 45",
            "10 permit ospf 30.2.0.0/8 any log",
            "20 permit ospf 40.2.0.0/8 any log",
            "ip access-list test3",
            "50 permit ospf 70.2.0.0/8 any log",
        ]
        self.execute_module(changed=True, commands=commands)

    def test_eos_acls_replaced_exception(self):
        set_module_args(
            dict(
                config=[
                    dict(
                        afi="ipv4",
                        acls=[
                            dict(
                                name="test2",
                                aces=[
                                    dict(
                                        sequence="11",
                                        grant="permit",
                                        protocol="tcp",
                                        source=dict(
                                            host="192.168.2.1",
                                            port_protocol=dict(
                                                eq="50702",
                                            ),
                                        ),
                                        destination=dict(
                                            host="192.168.1.1",
                                        ),
                                    ),
                                ],
                            ),
                        ],
                    ),
                ],
                state="replaced",
            ),
        )
        commands = [
            "ip access-list test2",
            "11 permit tcp host 192.168.2.1 eq 50702 host 192.168.1.1",
        ]
        self.execute_module(changed=True, commands=commands)

    def test_eos_acls_replaced_idempotent(self):
        set_module_args(
            dict(
                config=[
                    dict(
                        afi="ipv4",
                        acls=[
                            dict(
                                name="test1",
                                aces=[
                                    dict(
                                        sequence="35",
                                        grant="deny",
                                        protocol="tcp",
                                        source=dict(
                                            subnet_address="20.0.0.0/8",
                                        ),
                                        destination=dict(any="true"),
                                        log="true",
                                    ),
                                    dict(
                                        grant="permit",
                                        source=dict(any="true"),
                                        destination=dict(any="true"),
                                        sequence="45",
                                        protocol="tcp",
                                    ),
                                ],
                            ),
                        ],
                    ),
                ],
                state="replaced",
            ),
        )
        self.execute_module(changed=False, commands=[])

    def test_eos_acls_overridden(self):
        set_module_args(
            dict(
                config=[
                    dict(
                        afi="ipv4",
                        acls=[
                            dict(
                                name="test1",
                                aces=[
                                    dict(
                                        sequence="10",
                                        grant="permit",
                                        protocol="ospf",
                                        source=dict(
                                            subnet_address="30.2.0.0/8",
                                        ),
                                        destination=dict(any="true"),
                                        log="true",
                                    ),
                                ],
                            ),
                            dict(
                                name="test3",
                                aces=[
                                    dict(
                                        sequence="50",
                                        grant="permit",
                                        protocol="ospf",
                                        source=dict(
                                            subnet_address="70.2.0.0/8",
                                        ),
                                        destination=dict(any="true"),
                                        log="true",
                                    ),
                                ],
                            ),
                        ],
                    ),
                ],
                state="overridden",
            ),
        )
        commands = [
            "ip access-list test1",
            "no 35",
            "no 45",
            "10 permit ospf 30.2.0.0/8 any log",
            "ip access-list test3",
            "50 permit ospf 70.2.0.0/8 any log",
        ]
        self.execute_module(changed=True, commands=commands)

    def test_eos_acls_overridden_idempotent(self):
        set_module_args(
            dict(
                config=[
                    dict(
                        afi="ipv4",
                        acls=[
                            dict(
                                name="test1",
                                aces=[
                                    dict(
                                        sequence="35",
                                        grant="deny",
                                        protocol="tcp",
                                        source=dict(
                                            subnet_address="20.0.0.0/8",
                                        ),
                                        destination=dict(any="true"),
                                        log="true",
                                    ),
                                    dict(
                                        grant="permit",
                                        source=dict(any="true"),
                                        destination=dict(any="true"),
                                        sequence="45",
                                        protocol="tcp",
                                    ),
                                ],
                            ),
                        ],
                    ),
                ],
                state="overridden",
            ),
        )
        self.execute_module(changed=False, commands=[])

    def test_eos_acls_deletedacls(self):
        set_module_args(
            dict(
                config=[dict(afi="ipv4", acls=[dict(name="test1")])],
                state="deleted",
            ),
        )
        commands = ["no ip access-list test1"]
        self.execute_module(changed=True, commands=commands)

    def test_eos_acls_deletedafis(self):
        set_module_args(dict(config=[dict(afi="ipv4")], state="deleted"))
        commands = ["no ip access-list test1"]
        self.execute_module(changed=True, commands=commands)

    def test_eos_acls_gathered(self):
        set_module_args(dict(config=[], state="gathered"))
        result = self.execute_module(
            changed=False,
            filename="eos_acls_config.cfg",
        )
        commands = []
        for gathered_cmds in result["gathered"]:
            cfg = add_commands(gathered_cmds)
            commands.append(cfg)
        commands = list(itertools.chain(*commands))
        config_commands = [
            "ip access-list test1",
            "35 deny tcp 20.0.0.0/8 any log",
            "45 permit tcp any any",
        ]
        self.assertEqual(
            sorted(config_commands),
            sorted(commands),
            result["gathered"],
        )

    def test_eos_acls_rendered(self):
        set_module_args(
            dict(
                config=[
                    dict(
                        afi="ipv4",
                        acls=[
                            dict(
                                name="test1",
                                aces=[
                                    dict(
                                        grant="permit",
                                        sequence="45",
                                        source=dict(any="true"),
                                        destination=dict(any="true"),
                                        protocol=6,
                                    ),
                                ],
                            ),
                        ],
                    ),
                ],
                state="rendered",
            ),
        )
        commands = ["ip access-list test1", "45 permit tcp any any"]
        result = self.execute_module(changed=False)
        self.assertEqual(
            sorted(result["rendered"]),
            sorted(commands),
            result["rendered"],
        )

    def test_eos_acls_parsed(self):
        set_module_args(
            dict(
                running_config="ipv6 access-list test2\n 10 permit icmpv6 host 10.2.33.1 any ttl eq 25",
                state="parsed",
            ),
        )
        commands = [
            "ipv6 access-list test2",
            "10 permit icmpv6 host 10.2.33.1 any ttl eq 25",
        ]
        result = self.execute_module(changed=False)
        parsed_commands = []
        for cmds in result["parsed"]:
            cfg = add_commands(cmds)
            parsed_commands.append(cfg)
        parsed_commands = list(itertools.chain(*parsed_commands))
        self.assertEqual(
            sorted(parsed_commands),
            sorted(commands),
            result["parsed"],
        )
