# -*- coding: utf-8 -*-
'''
    :codeauthor: :email:`Jayesh Kariya <jayeshk@saltstack.com>`
'''
# Import Python libs
from __future__ import absolute_import
import copy

# Import Salt Testing Libs
from tests.support.mixins import LoaderModuleMockMixin
from tests.support.unit import skipIf, TestCase
from tests.support.mock import (
    NO_MOCK,
    NO_MOCK_REASON,
    MagicMock,
    patch)

# Import Salt Libs
import salt.states.boto_elb as boto_elb


@skipIf(NO_MOCK, NO_MOCK_REASON)
class BotoElbTestCase(TestCase, LoaderModuleMockMixin):
    '''
    Test cases for salt.states.boto_elb
    '''
    def setup_loader_modules(self):
        return {boto_elb: {}}

    # 'present' function tests: 1

    def test_present(self):
        '''
        Test to ensure the IAM role exists.
        '''
        name = 'myelb'
        listeners = [{'elb_port': 'ELBPORT', 'instance_port': 'PORT',
                      'elb_protocol': 'HTTPS', 'certificate': 'A'}]
        alarms = {'MyAlarm': {'name': name,
                              'attributes': {'description': 'A'}}}
        attrs = {'alarm_actions': ['arn:aws:sns:us-east-1:12345:myalarm'],
                 'insufficient_data_actions': [],
                 'ok_actions': ['arn:aws:sns:us-east-1:12345:myalarm']}
        health_check = {'target:': 'HTTP:80/'}
        avail_zones = ['us-east-1a', 'us-east-1c', 'us-east-1d']
        cnames = [{'name': 'www.test.com', 'zone': 'test.com', 'ttl': 60}]

        ret = {'name': name,
               'result': True,
               'changes': {},
               'comment': ''}
        ret1 = copy.deepcopy(ret)

        mock = MagicMock(return_value={})
        mock_false_bool = MagicMock(return_value=False)
        mock_true_bool = MagicMock(return_value=True)
        mock_attributes = MagicMock(return_value=attrs)
        mock_health_check = MagicMock(return_value=health_check)

        with patch.dict(boto_elb.__salt__,
                        {'config.option': mock,
                         'boto_elb.exists': mock_false_bool,
                         'boto_elb.create': mock_false_bool,
                         'pillar.get': MagicMock(return_value={})}):
            with patch.dict(boto_elb.__opts__, {'test': False}):
                ret = boto_elb.present(
                    name,
                    listeners,
                    availability_zones=avail_zones
                )
                self.assertTrue(boto_elb.__salt__['boto_elb.exists'].called)
                self.assertTrue(boto_elb.__salt__['boto_elb.create'].called)
                self.assertIn('Failed to create myelb ELB.', ret['comment'])
                self.assertFalse(ret['result'])

        def mock_config_option(*args, **kwargs):
            if args[0] == 'boto_elb_policies':
                return []
            return {}

        mock = MagicMock(return_value={})
        with patch.dict(boto_elb.__salt__,
                        {'config.option': MagicMock(side_effect=mock_config_option),
                         'boto_elb.exists': mock_false_bool,
                         'boto_elb.create': mock_true_bool,
                         'boto_elb.get_attributes': mock_attributes,
                         'boto_elb.get_health_check': mock_health_check,
                         'boto_elb.get_elb_config': MagicMock(side_effect=[mock, MagicMock()]),
                         'pillar.get': MagicMock(return_value={})}):
            with patch.dict(boto_elb.__opts__, {'test': False}):
                with patch.dict(boto_elb.__states__, {'boto_cloudwatch_alarm.present': MagicMock(return_value=ret1)}):
                    ret = boto_elb.present(
                        name,
                        listeners,
                        availability_zones=avail_zones,
                        health_check=health_check,
                        alarms=alarms
                    )
                    self.assertTrue(boto_elb.__salt__['boto_elb.exists'].called)
                    self.assertTrue(boto_elb.__salt__['boto_elb.create'].called)
                    self.assertTrue(boto_elb.__states__['boto_cloudwatch_alarm.present'].called)
                    self.assertFalse(
                        boto_elb.__salt__['boto_elb.get_attributes'].called
                    )
                    self.assertTrue(
                        boto_elb.__salt__['boto_elb.get_health_check'].called
                    )
                    self.assertIn('ELB myelb created.', ret['comment'])
                    self.assertTrue(ret['result'])

        mock = MagicMock(return_value={})
        mock_elb = MagicMock(return_value={'dns_name': 'myelb.amazon.com', 'policies': [], 'listeners': [], 'backends': []})
        with patch.dict(boto_elb.__salt__,
                        {'config.option': MagicMock(side_effect=mock_config_option),
                         'boto_elb.exists': mock_false_bool,
                         'boto_elb.create': mock_true_bool,
                         'boto_elb.get_attributes': mock_attributes,
                         'boto_elb.get_health_check': mock_health_check,
                         'boto_elb.get_elb_config': mock_elb,
                         'pillar.get': MagicMock(return_value={})}):
            with patch.dict(boto_elb.__opts__, {'test': False}):
                with patch.dict(boto_elb.__states__, {'boto_route53.present': MagicMock(return_value=ret1)}):
                    ret = boto_elb.present(
                        name,
                        listeners,
                        availability_zones=avail_zones,
                        health_check=health_check,
                        cnames=cnames
                    )
                    mock_changes = {'new': {'elb': 'myelb'}, 'old': {'elb': None}}
                    self.assertTrue(boto_elb.__states__['boto_route53.present'].called)
                    self.assertEqual(mock_changes, ret['changes'])
                    self.assertTrue(ret['result'])

    # 'register_instances' function tests: 1

    def test_register_instances(self):
        '''
        Test to add instance/s to load balancer
        '''
        name = 'myelb'
        instances = ['instance-id1', 'instance-id2']

        ret = {'name': name,
               'result': False,
               'changes': {},
               'comment': ''}

        mock_bool = MagicMock(return_value=False)
        with patch.dict(boto_elb.__salt__, {'boto_elb.exists': mock_bool}):
            comt = ('Could not find lb {0}'.format(name))
            ret.update({'comment': comt})
            self.assertDictEqual(boto_elb.register_instances(name,
                                                             instances), ret)

    # 'absent' function tests: 1

    def test_absent(self):
        '''
        Test to ensure the IAM role is deleted.
        '''
        name = 'new_table'

        ret = {'name': name,
               'result': True,
               'changes': {},
               'comment': ''}

        mock = MagicMock(side_effect=[False, True])
        with patch.dict(boto_elb.__salt__, {'boto_elb.exists': mock}):
            comt = ('{0} ELB does not exist.'.format(name))
            ret.update({'comment': comt})
            self.assertDictEqual(boto_elb.absent(name), ret)

            with patch.dict(boto_elb.__opts__, {'test': True}):
                comt = ('ELB {0} is set to be removed.'.format(name))
                ret.update({'comment': comt, 'result': None})
                self.assertDictEqual(boto_elb.absent(name), ret)