# -*- coding: utf-8 -*-
#
# Copyright (c) 2017 F5 Networks 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 os
import json
import pytest
import sys

if sys.version_info < (2, 7):
    pytestmark = pytest.mark.skip("F5 Ansible modules require Python >= 2.7")

from ansible.module_utils.basic import AnsibleModule

try:
    from library.modules.bigip_device_connectivity import ApiParameters
    from library.modules.bigip_device_connectivity import ModuleParameters
    from library.modules.bigip_device_connectivity import ModuleManager
    from library.modules.bigip_device_connectivity import ArgumentSpec

    from library.module_utils.network.f5.common import F5ModuleError

    # In Ansible 2.8, Ansible changed import paths.
    from test.units.compat import unittest
    from test.units.compat.mock import Mock
    from test.units.compat.mock import patch

    from test.units.modules.utils import set_module_args
except ImportError:
    from ansible.modules.network.f5.bigip_device_connectivity import ApiParameters
    from ansible.modules.network.f5.bigip_device_connectivity import ModuleParameters
    from ansible.modules.network.f5.bigip_device_connectivity import ModuleManager
    from ansible.modules.network.f5.bigip_device_connectivity import ArgumentSpec

    from ansible.module_utils.network.f5.common import F5ModuleError

    # Ansible 2.8 imports
    from units.compat import unittest
    from units.compat.mock import Mock
    from units.compat.mock import patch

    from units.modules.utils import set_module_args


fixture_path = os.path.join(os.path.dirname(__file__), 'fixtures')
fixture_data = {}


def load_fixture(name):
    path = os.path.join(fixture_path, name)

    if path in fixture_data:
        return fixture_data[path]

    with open(path) as f:
        data = f.read()

    try:
        data = json.loads(data)
    except Exception:
        pass

    fixture_data[path] = data
    return data


class TestParameters(unittest.TestCase):
    def test_module_parameters(self):
        args = dict(
            multicast_port='1010',
            multicast_address='10.10.10.10',
            multicast_interface='eth0',
            failover_multicast=True,
            unicast_failover=[
                dict(
                    address='20.20.20.20',
                    port='1234'
                )
            ],
            mirror_primary_address='1.2.3.4',
            mirror_secondary_address='5.6.7.8',
            config_sync_ip='4.3.2.1',
            state='present',
        )
        p = ModuleParameters(params=args)
        assert p.multicast_port == 1010
        assert p.multicast_address == '10.10.10.10'
        assert p.multicast_interface == 'eth0'
        assert p.failover_multicast is True
        assert p.mirror_primary_address == '1.2.3.4'
        assert p.mirror_secondary_address == '5.6.7.8'
        assert p.config_sync_ip == '4.3.2.1'
        assert len(p.unicast_failover) == 1
        assert 'effectiveIp' in p.unicast_failover[0]
        assert 'effectivePort' in p.unicast_failover[0]
        assert 'port' in p.unicast_failover[0]
        assert 'ip' in p.unicast_failover[0]
        assert p.unicast_failover[0]['effectiveIp'] == '20.20.20.20'
        assert p.unicast_failover[0]['ip'] == '20.20.20.20'
        assert p.unicast_failover[0]['port'] == 1234
        assert p.unicast_failover[0]['effectivePort'] == 1234

    def test_api_parameters(self):
        params = load_fixture('load_tm_cm_device.json')
        p = ApiParameters(params=params)
        assert p.multicast_port == 62960
        assert p.multicast_address == '224.0.0.245'
        assert p.multicast_interface == 'eth0'
        assert p.mirror_primary_address == '10.2.2.2'
        assert p.mirror_secondary_address == '10.2.3.2'
        assert p.config_sync_ip == '10.2.2.2'
        assert len(p.unicast_failover) == 2
        assert 'effectiveIp' in p.unicast_failover[0]
        assert 'effectivePort' in p.unicast_failover[0]
        assert 'port' in p.unicast_failover[0]
        assert 'ip' in p.unicast_failover[0]
        assert p.unicast_failover[0]['effectiveIp'] == 'management-ip'
        assert p.unicast_failover[0]['ip'] == 'management-ip'
        assert p.unicast_failover[0]['port'] == 1026
        assert p.unicast_failover[0]['effectivePort'] == 1026


class TestManager(unittest.TestCase):

    def setUp(self):
        self.spec = ArgumentSpec()

    def test_update_settings(self, *args):
        set_module_args(dict(
            config_sync_ip="10.1.30.1",
            mirror_primary_address="10.1.30.1",
            unicast_failover=[
                dict(
                    address="10.1.30.1"
                )
            ],
            provider=dict(
                server='localhost',
                password='password',
                user='admin'
            )
        ))

        # Configure the parameters that would be returned by querying the
        # remote device
        current = ApiParameters(params=load_fixture('load_tm_cm_device_default.json'))

        module = AnsibleModule(
            argument_spec=self.spec.argument_spec,
            supports_check_mode=self.spec.supports_check_mode,
            required_together=self.spec.required_together
        )
        mm = ModuleManager(module=module)

        # Override methods to force specific logic in the module to happen
        mm.update_on_device = Mock(return_value=True)
        mm.read_current_from_device = Mock(return_value=current)

        results = mm.exec_module()

        assert results['changed'] is True
        assert results['config_sync_ip'] == '10.1.30.1'
        assert results['mirror_primary_address'] == '10.1.30.1'
        assert len(results.keys()) == 4

    def test_set_primary_mirror_address_none(self, *args):
        set_module_args(dict(
            mirror_primary_address="none",
            provider=dict(
                server='localhost',
                password='password',
                user='admin'
            )
        ))

        # Configure the parameters that would be returned by querying the
        # remote device
        current = ApiParameters(params=load_fixture('load_tm_cm_device.json'))

        module = AnsibleModule(
            argument_spec=self.spec.argument_spec,
            supports_check_mode=self.spec.supports_check_mode,
            required_together=self.spec.required_together
        )
        mm = ModuleManager(module=module)

        # Override methods to force specific logic in the module to happen
        mm.update_on_device = Mock(return_value=True)
        mm.read_current_from_device = Mock(return_value=current)

        results = mm.exec_module()

        assert results['changed'] is True
        assert results['mirror_primary_address'] == 'none'
        assert len(results.keys()) == 2

    def test_set_secondary_mirror_address_none(self, *args):
        set_module_args(dict(
            mirror_secondary_address="none",
            provider=dict(
                server='localhost',
                password='password',
                user='admin'
            )
        ))

        # Configure the parameters that would be returned by querying the
        # remote device
        current = ApiParameters(params=load_fixture('load_tm_cm_device.json'))

        module = AnsibleModule(
            argument_spec=self.spec.argument_spec,
            supports_check_mode=self.spec.supports_check_mode,
            required_together=self.spec.required_together
        )
        mm = ModuleManager(module=module)

        # Override methods to force specific logic in the module to happen
        mm.update_on_device = Mock(return_value=True)
        mm.read_current_from_device = Mock(return_value=current)

        results = mm.exec_module()

        assert results['changed'] is True
        assert results['mirror_secondary_address'] == 'none'
        assert len(results.keys()) == 2

    def test_set_multicast_address_none(self, *args):
        set_module_args(dict(
            multicast_address="none",
            multicast_port=62960,
            multicast_interface="eth0",
            provider=dict(
                server='localhost',
                password='password',
                user='admin'
            )
        ))

        # Configure the parameters that would be returned by querying the
        # remote device
        current = ApiParameters(params=load_fixture('load_tm_cm_device.json'))

        module = AnsibleModule(
            argument_spec=self.spec.argument_spec,
            supports_check_mode=self.spec.supports_check_mode,
            required_together=self.spec.required_together
        )
        mm = ModuleManager(module=module)

        # Override methods to force specific logic in the module to happen
        mm.update_on_device = Mock(return_value=True)
        mm.read_current_from_device = Mock(return_value=current)

        results = mm.exec_module()

        assert results['changed'] is True
        assert results['multicast_address'] == 'none'
        assert len(results.keys()) == 2

    def test_set_multicast_port_negative(self, *args):
        set_module_args(dict(
            multicast_port=-1,
            multicast_address="224.0.0.245",
            multicast_interface="eth0",
            provider=dict(
                server='localhost',
                password='password',
                user='admin'
            )
        ))

        # Configure the parameters that would be returned by querying the
        # remote device
        current = ApiParameters(params=load_fixture('load_tm_cm_device.json'))

        module = AnsibleModule(
            argument_spec=self.spec.argument_spec,
            supports_check_mode=self.spec.supports_check_mode,
            required_together=self.spec.required_together
        )
        mm = ModuleManager(module=module)

        # Override methods to force specific logic in the module to happen
        mm.update_on_device = Mock(return_value=True)
        mm.read_current_from_device = Mock(return_value=current)

        with pytest.raises(F5ModuleError) as ex:
            mm.exec_module()

        assert 'must be between' in str(ex)

    def test_set_multicast_address(self, *args):
        set_module_args(dict(
            multicast_address="10.1.1.1",
            multicast_port=62960,
            multicast_interface="eth0",
            provider=dict(
                server='localhost',
                password='password',
                user='admin'
            )
        ))

        # Configure the parameters that would be returned by querying the
        # remote device
        current = ApiParameters(params=load_fixture('load_tm_cm_device.json'))

        module = AnsibleModule(
            argument_spec=self.spec.argument_spec,
            supports_check_mode=self.spec.supports_check_mode,
            required_together=self.spec.required_together
        )
        mm = ModuleManager(module=module)

        # Override methods to force specific logic in the module to happen
        mm.update_on_device = Mock(return_value=True)
        mm.read_current_from_device = Mock(return_value=current)

        results = mm.exec_module()

        assert results['changed'] is True
        assert results['multicast_address'] == '10.1.1.1'
        assert len(results.keys()) == 2

    def test_unset_unicast_failover(self, *args):
        set_module_args(dict(
            unicast_failover="none",
            provider=dict(
                server='localhost',
                password='password',
                user='admin'
            )
        ))

        # Configure the parameters that would be returned by querying the
        # remote device
        current = ApiParameters(params=load_fixture('load_tm_cm_device.json'))

        module = AnsibleModule(
            argument_spec=self.spec.argument_spec,
            supports_check_mode=self.spec.supports_check_mode,
            required_together=self.spec.required_together
        )
        mm = ModuleManager(module=module)

        # Override methods to force specific logic in the module to happen
        mm.update_on_device = Mock(return_value=True)
        mm.read_current_from_device = Mock(return_value=current)

        results = mm.exec_module()

        assert results['changed'] is True
        assert results['unicast_failover'] == 'none'
        assert len(results.keys()) == 2

    def test_unset_config_sync_ip(self, *args):
        set_module_args(dict(
            config_sync_ip="none",
            provider=dict(
                server='localhost',
                password='password',
                user='admin'
            )
        ))

        # Configure the parameters that would be returned by querying the
        # remote device
        current = ApiParameters(params=load_fixture('load_tm_cm_device.json'))

        module = AnsibleModule(
            argument_spec=self.spec.argument_spec,
            supports_check_mode=self.spec.supports_check_mode,
            required_together=self.spec.required_together
        )
        mm = ModuleManager(module=module)

        # Override methods to force specific logic in the module to happen
        mm.update_on_device = Mock(return_value=True)
        mm.read_current_from_device = Mock(return_value=current)

        results = mm.exec_module()

        assert results['changed'] is True
        assert results['config_sync_ip'] == 'none'
        assert len(results.keys()) == 2
