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

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

# Import Salt Libs
import salt.utils.event
from salt.states import saltmod

saltmod.__opts__ = {'__role': 'master', 'file_client': 'remote'}
saltmod.__salt__ = {'saltutil.cmd': MagicMock()}
saltmod.__env__ = {}


@skipIf(NO_MOCK, NO_MOCK_REASON)
class SaltmodTestCase(TestCase):
    '''
    Test cases for salt.states.saltmod
    '''
    # 'state' function tests: 1

    def test_state(self):
        '''
        Test to invoke a state run on a given target
        '''
        name = 'state'
        tgt = 'minion1'

        comt = ('Passed invalid value for \'allow_fail\', must be an int')

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

        test_ret = {'name': name,
                    'changes': {},
                    'result': True,
                    'comment': 'States ran successfully.'
                    }

        self.assertDictEqual(saltmod.state(name, tgt, allow_fail='a'), ret)

        comt = ('No highstate or sls specified, no execution made')
        ret.update({'comment': comt})
        self.assertDictEqual(saltmod.state(name, tgt), ret)

        comt = ("Must pass in boolean for value of 'concurrent'")
        ret.update({'comment': comt})
        self.assertDictEqual(saltmod.state(name, tgt, highstate=True,
                                           concurrent='a'), ret)

        ret.update({'comment': comt, 'result': None})
        with patch.dict(saltmod.__opts__, {'test': True}):
            self.assertDictEqual(saltmod.state(name, tgt, highstate=True), test_ret)

        ret.update({'comment': 'States ran successfully.', 'result': True})
        with patch.dict(saltmod.__opts__, {'test': False}):
            mock = MagicMock(return_value={})
            with patch.dict(saltmod.__salt__, {'saltutil.cmd': mock}):
                self.assertDictEqual(saltmod.state(name, tgt, highstate=True),
                                     ret)

    # 'function' function tests: 1

    def test_function(self):
        '''
        Test to execute a single module function on a remote
        minion via salt or salt-ssh
        '''
        name = 'state'
        tgt = 'larry'

        comt = ('Function state will be executed'
                ' on target {0} as test=False'.format(tgt))

        ret = {'name': name,
               'changes': {},
               'result': None,
               'comment': comt}

        with patch.dict(saltmod.__opts__, {'test': True}):
            self.assertDictEqual(saltmod.function(name, tgt), ret)

        ret.update({'result': True,
                    'changes': {'out': 'highstate', 'ret': {tgt: ''}},
                    'comment': 'Function ran successfully.'
                              ' Function state ran on {0}.'.format(tgt)})
        with patch.dict(saltmod.__opts__, {'test': False}):
            mock_ret = {'larry': {'ret': '', 'retcode': 0, 'failed': False}}
            mock_cmd = MagicMock(return_value=mock_ret)
            with patch.dict(saltmod.__salt__, {'saltutil.cmd': mock_cmd}):
                self.assertDictEqual(saltmod.function(name, tgt), ret)

    # 'wait_for_event' function tests: 1

    def test_wait_for_event(self):
        '''
        Test to watch Salt's event bus and block until a condition is met
        '''
        name = 'state'
        tgt = 'minion1'

        comt = ('Timeout value reached.')

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

        class Mockevent(object):
            '''
            Mock event class
            '''
            flag = None

            def __init__(self):
                self.full = None

            def get_event(self, full):
                '''
                Mock get_event method
                '''
                self.full = full
                if self.flag:
                    return {'tag': name, 'data': {}}
                return None

        with patch.object(salt.utils.event, 'get_event',
                          MagicMock(return_value=Mockevent())):
            with patch.dict(saltmod.__opts__, {'sock_dir': True,
                                               'transport': True}):
                with patch.object(time, 'time', MagicMock(return_value=1.0)):
                    self.assertDictEqual(saltmod.wait_for_event(name, 'salt',
                                                                timeout=-1.0),
                                         ret)

                    Mockevent.flag = True
                    ret.update({'comment': 'All events seen in 0.0 seconds.',
                                'result': True})
                    self.assertDictEqual(saltmod.wait_for_event(name, ''), ret)

                    ret.update({'comment': 'Timeout value reached.',
                                'result': False})
                    self.assertDictEqual(saltmod.wait_for_event(name, tgt,
                                                                timeout=-1.0),
                                         ret)

    # 'runner' function tests: 1

    def test_runner(self):
        '''
        Test to execute a runner module on the master
        '''
        name = 'state'

        ret = {'changes': True, 'name': 'state', 'result': True,
               'comment': 'Runner function \'state\' executed.',
               '__orchestration__': True}
        runner_mock = MagicMock(return_value={'return': True})

        with patch.dict(saltmod.__salt__, {'saltutil.runner': runner_mock}):
            self.assertDictEqual(saltmod.runner(name), ret)

    # 'wheel' function tests: 1

    def test_wheel(self):
        '''
        Test to execute a wheel module on the master
        '''
        name = 'state'

        ret = {'changes': True, 'name': 'state', 'result': True,
               'comment': 'Wheel function \'state\' executed.',
               '__orchestration__': True}
        wheel_mock = MagicMock(return_value={'return': True})

        with patch.dict(saltmod.__salt__, {'saltutil.wheel': wheel_mock}):
            self.assertDictEqual(saltmod.wheel(name), ret)