# coding: utf-8

# Python libs
from __future__ import absolute_import

# Salt libs
from salt.beacons import twilio_txt_msg

# Salt testing libs
from tests.support.mixins import LoaderModuleMockMixin
from tests.support.unit import TestCase, skipIf
from tests.support.mock import MagicMock, patch

# Import 3rd Party libs
try:
    import twilio
    # Grab version, ensure elements are ints
    twilio_version = tuple([int(x) for x in twilio.__version_info__])
    if twilio_version > (5, ):
        TWILIO_5 = False
    else:
        TWILIO_5 = True
    HAS_TWILIO = True
except ImportError:
    HAS_TWILIO = False

import logging
log = logging.getLogger(__name__)


class MockTwilioRestException(Exception):
    '''
    Mock TwilioRestException class
    '''
    def __init__(self):
        self.code = 'error code'
        self.msg = 'Exception error'
        self.status = 'Not send'
        super(MockTwilioRestException, self).__init__(self.msg)


class MockMessages(object):
    '''
    Mock SMS class
    '''
    flag = None

    def __init__(self):
        self.sid = '011'
        self.price = '200'
        self.price_unit = '1'
        self.status = 'Sent'
        self.num_segments = '2'
        self.num_media = '0'
        self.body = None
        self.date_sent = '01-01-2015'
        self.date_created = '01-01-2015'
        self.to = None
        self.from_ = None

    def create(self, body, to, from_):
        '''
        Mock create method
        '''
        msg = MockMessages()
        if self.flag == 1:
            raise MockTwilioRestException()
        msg.body = body
        msg.to = to
        msg.from_ = from_
        return msg

    def list(self, to):
        '''
        Mock list method
        '''
        msg = MockMessages()
        return [msg]

    def delete(self):
        '''
        Mock delete method
        '''
        return None


class MockSMS(object):
    '''
    Mock SMS class
    '''
    def __init__(self):
        self.messages = MockMessages()


class MockTwilioRestClient(object):
    '''
    Mock TwilioRestClient class
    '''
    def __init__(self):
        if TWILIO_5:
            self.sms = MockSMS()
        else:
            self.messages = MockMessages()


@skipIf(not HAS_TWILIO, 'twilio.rest is not available')
class TwilioMsgTxtBeaconTestCase(TestCase, LoaderModuleMockMixin):
    '''
    Test case for salt.beacons.twilio_txt_msg
    '''
    def setup_loader_modules(self):
        return {twilio_txt_msg: {}}

    def test_validate_dictionary_config(self):
        '''
        Test empty configuration
        '''
        config = {}
        ret = twilio_txt_msg.validate(config)
        self.assertEqual(ret, (False, ('Configuration for twilio_txt_msg '
                                       'beacon must be a list.')))

    def test_validate_empty_config(self):
        '''
        Test empty configuration
        '''
        config = [{}]
        ret = twilio_txt_msg.validate(config)
        self.assertEqual(ret, (False, ('Configuration for twilio_txt_msg '
                                       'beacon must contain account_sid, '
                                       'auth_token and twilio_number items.')))

    def test_validate_missing_config_item(self):
        '''
        Test empty configuration
        '''
        config = [{'account_sid': 'ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX',
                   'twilio_number': '+15555555555'}]

        ret = twilio_txt_msg.validate(config)
        self.assertEqual(ret, (False, ('Configuration for twilio_txt_msg '
                                       'beacon must contain account_sid, '
                                       'auth_token and twilio_number items.')))

    def test_receive_message(self):
        '''
        Test receive a message
        '''
        config = [{'account_sid': 'ACXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX',
                   'auth_token': 'my_token',
                   'twilio_number': '+15555555555'}]

        ret = twilio_txt_msg.validate(config)
        self.assertEqual(ret, (True, 'Valid beacon configuration'))

        _expected_return = [{'texts': [{'body': 'None',
                                        'images': [],
                                        'from': 'None',
                                        'id': '011',
                                        'sent': '01-01-2015'}]}]
        mock = MagicMock(return_value=MockTwilioRestClient())
        with patch.object(twilio_txt_msg, 'TwilioRestClient', mock):
            ret = twilio_txt_msg.beacon(config)
        self.assertEqual(ret, _expected_return)