# -*- coding: utf-8 -*-

# Copyright (C) 2013-2015 Avencall
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>
from unittest.mock import patch

from xivo.asterisk.extension import Extension

from xivo_dao import line_dao
from xivo_dao.alchemy.linefeatures import LineFeatures
from xivo_dao.alchemy.sccpline import SCCPLine
from xivo_dao.tests.test_dao import DAOTestCase

USER_ID = 5
LINE_NUMBER = '1666'


class TestLineFeaturesDAO(DAOTestCase):

    def _insert_sccpline(self, sccpline_id):
        sccpline = SCCPLine()
        sccpline.id = sccpline_id
        sccpline.name = '1234'
        sccpline.context = 'test'
        sccpline.cid_name = 'Tester One'
        sccpline.cid_num = '1234'

        self.add_me(sccpline)

        return sccpline

    def test_get_peer_name_abcde(self):
        protocol = 'sip'
        name = 'abcde'
        expected_name = '/'.join([protocol, name])

        line = LineFeatures()
        line.device = '1232'
        line.protocolid = 0
        line.context = 'myctx'
        line.number = '1002'
        line.name = name
        line.provisioningid = 123
        line.protocol = protocol

        self.add_me(line)

        peer_name = line_dao.get_peer_name(line.device)

        self.assertEqual(peer_name, expected_name)

    def test_get_peer_name_qwerty(self):
        protocol = 'sip'
        name = 'qwerty'
        expected_name = '/'.join([protocol, name])

        line = LineFeatures()
        line.device = '213'
        line.protocolid = 0
        line.context = 'myctx'
        line.iduserfeatures = 5
        line.number = '1002'
        line.name = name
        line.provisioningid = 123
        line.protocol = protocol

        self.add_me(line)

        peer_name = line_dao.get_peer_name(line.device)

        self.assertEqual(peer_name, expected_name)

    def test_get_peer_name_no_matching_line(self):
        self.assertRaises(LookupError, line_dao.get_peer_name, '222')

    def test_device_exists_for_sip_id(self):
        line = LineFeatures()
        line.device = '01SomeId'
        line.protocolid = 12
        line.protocol = 'sip'
        line.context = 'default'
        line.provisioningid = 123
        self.add_me(line)
        response = line_dao.device_exists_for_sip_id(12)

        self.assertEqual(response, True)

    def test_device_exists_for_non_existing_sip_id(self):
        line = LineFeatures()
        line.device = '01SomeId'
        line.protocolid = 12
        line.protocol = 'sip'
        line.context = 'default'
        line.provisioningid = 123
        self.add_me(line)
        response = line_dao.device_exists_for_sip_id(2222)

        self.assertEqual(response, False)

    def test_device_exists_for_sip_id_no_device(self):
        line = LineFeatures()
        line.protocolid = 13
        line.protocol = 'sip'
        line.context = 'default'
        line.provisioningid = 4456
        line.device = ''
        self.add_me(line)
        response = line_dao.device_exists_for_sip_id(13)

        self.assertEqual(response, False)

    @patch('xivo.config_helper.os.getenv', return_value="SIP")
    def test_get_interface_from_exten_and_context_sip(self, getenv):
        protocol = 'sip'
        name = 'abcdef'
        context = 'foobar'

        self.add_user_line_without_user(exten=LINE_NUMBER, context=context, name=name, protocol=protocol)

        interface = line_dao.get_interface_from_exten_and_context(LINE_NUMBER, context)

        self.assertEqual('SIP/abcdef', interface)

    @patch('xivo.config_helper.os.getenv', return_value="PJSIP")
    def test_get_interface_from_exten_and_context_pjsip(self, getenv):
        protocol = 'sip'
        name = 'abcdef'
        context = 'foobar'

        self.add_user_line_without_user(exten=LINE_NUMBER, context=context, name=name, protocol=protocol)

        interface = line_dao.get_interface_from_exten_and_context(LINE_NUMBER, context)

        self.assertEqual('PJSIP/abcdef', interface)

    def test_get_interface_from_exten_and_context_sccp(self):
        protocol = 'sccp'
        name = '1001'
        context = 'foobar'

        self.add_user_line_without_user(exten=LINE_NUMBER, context=context, name=name, protocol=protocol)

        interface = line_dao.get_interface_from_exten_and_context(LINE_NUMBER, context)

        self.assertEqual('SCCP/1001', interface)

    def test_get_interface_from_exten_and_context_custom(self):
        protocol = 'custom'
        name = 'dahdi/g1/12345'
        context = 'foobar'

        self.add_user_line_without_user(exten=LINE_NUMBER, context=context, name=name, protocol=protocol)

        interface = line_dao.get_interface_from_exten_and_context(LINE_NUMBER, context)

        self.assertEqual('dahdi/g1/12345', interface)

    def test_get_interface_no_matching_exten(self):
        self.assertRaises(LookupError, line_dao.get_interface_from_exten_and_context, '555', 'fijsifjsif')

    def test_get_extension_from_protocol_interface_no_extension(self):
        self.assertRaises(LookupError, line_dao.get_extension_from_protocol_interface, 'SIP', 'abcdef')

    def test_get_extension_from_protocol_interface_sip(self):
        protocol = 'sip'
        name = 'abcdef'
        context = 'default'

        expected_extension = Extension(number=LINE_NUMBER, context=context, is_internal=True)
        self.add_user_line_without_user(exten=LINE_NUMBER, context=context, name=name, protocol=protocol)

        extension = line_dao.get_extension_from_protocol_interface(protocol, name)

        self.assertEquals(extension, expected_extension)

    def test_get_extension_from_protocol_interface_local(self):
        protocol = 'local'
        name = 'id-5@agentcallback'

        self.assertRaises(ValueError,
                          line_dao.get_extension_from_protocol_interface, protocol, name)

    def test_get_extension_from_protocol_interface_sccp(self):
        protocol = 'SCCP'
        name = LINE_NUMBER
        context = 'default'

        expected_extension = Extension(number=LINE_NUMBER, context=context, is_internal=True)
        self.add_user_line_without_user(exten=LINE_NUMBER, context=context, name=name, protocol=protocol.lower())

        extension = line_dao.get_extension_from_protocol_interface(protocol, name)

        self.assertEquals(extension, expected_extension)

    def test_get(self):
        line = self.add_line()
        result = line_dao.get(line.id)
        self.assertEquals(line, result)
