from udsoncan.client import Client
from udsoncan import services, CommunicationType
from udsoncan.exceptions import *

from test.ClientServerTest import ClientServerTest

class TestCommunicationControl(ClientServerTest):
    def __init__(self, *args, **kwargs):
        ClientServerTest.__init__(self, *args, **kwargs)

    def test_comcontrol_enable_node(self):
        for i in range(3):
            request = self.conn.touserqueue.get(timeout=0.2)
            self.assertEqual(request, b"\x28\x00\x01")
            self.conn.fromuserqueue.put(b"\x68\x00")	# Positive response

    def _test_comcontrol_enable_node(self):
        control_type = services.CommunicationControl.ControlType.enableRxAndTx
        com_type = CommunicationType(subnet=CommunicationType.Subnet.node, normal_msg=True)
        response = self.udsclient.communication_control(control_type=control_type, communication_type=com_type)
        self.assertTrue(response.positive)
        self.assertEqual(response.service_data.control_type_echo, control_type)

        response = self.udsclient.communication_control(control_type=control_type, communication_type=com_type.get_byte())
        self.assertTrue(response.positive)
        self.assertEqual(response.service_data.control_type_echo, control_type)

        response = self.udsclient.communication_control(control_type=control_type, communication_type=com_type.get_byte_as_int())
        self.assertTrue(response.positive)
        self.assertEqual(response.service_data.control_type_echo, control_type)



    def test_comcontrol_enable_node_spr(self):
        request = self.conn.touserqueue.get(timeout=0.2)
        self.assertEqual(request, b"\x28\x80\x01")
        self.conn.fromuserqueue.put('wait')	# Synchronize

    def _test_comcontrol_enable_node_spr(self):
        control_type = services.CommunicationControl.ControlType.enableRxAndTx
        com_type = CommunicationType(subnet=CommunicationType.Subnet.node, normal_msg=True)
        with self.udsclient.suppress_positive_response:
            response = self.udsclient.communication_control(control_type=control_type, communication_type=com_type)
            self.assertEqual(response, None)
        self.conn.fromuserqueue.get(timeout=0.2)	#Avoid closing connection prematurely

    def test_comcontrol_disable_subnet(self):
        request = self.conn.touserqueue.get(timeout=0.2)
        self.assertEqual(request, b"\x28\x03\x33")
        self.conn.fromuserqueue.put(b"\x68\x03")	# Positive response

    def _test_comcontrol_disable_subnet(self):
        control_type = services.CommunicationControl.ControlType.disableRxAndTx
        com_type = CommunicationType(subnet=3, normal_msg=True, network_management_msg=True)
        response = self.udsclient.communication_control(control_type=control_type, communication_type=com_type)	
        self.assertTrue(response.positive)
        self.assertEqual(response.service_data.control_type_echo, control_type)

    def test_comcontrol_negative_response_exception(self):
        self.wait_request_and_respond(b"\x7F\x28\x31") 	# Request Out Of Range

    def _test_comcontrol_negative_response_exception(self):
        with self.assertRaises(NegativeResponseException) as handle:
            control_type = services.CommunicationControl.ControlType.disableRxAndTx
            com_type = CommunicationType(subnet=3, normal_msg=True, network_management_msg=True)
            self.udsclient.communication_control(control_type=control_type, communication_type=com_type)	

    def test_comcontrol_negative_response_no_exception(self):
        self.wait_request_and_respond(b"\x7F\x28\x31") 	# Request Out Of Range

    def _test_comcontrol_negative_response_no_exception(self):
        self.udsclient.config['exception_on_negative_response'] = False
        control_type = services.CommunicationControl.ControlType.disableRxAndTx
        com_type = CommunicationType(subnet=3, normal_msg=True, network_management_msg=True)
        response = self.udsclient.communication_control(control_type=control_type, communication_type=com_type)				
        self.assertTrue(response.valid)
        self.assertFalse(response.positive)

    def test_set_params_invalidservice_exception(self):
        self.wait_request_and_respond(b"\x00\x22") #Inexistent Service

    def _test_set_params_invalidservice_exception(self):
        with self.assertRaises(InvalidResponseException) as handle:
            control_type = services.CommunicationControl.ControlType.disableRxAndTx
            com_type = CommunicationType(subnet=5, normal_msg=True, network_management_msg=True)
            self.udsclient.communication_control(control_type=control_type, communication_type=com_type)	

    def test_set_params_invalidservice_no_exception(self):
        request = self.conn.touserqueue.get(timeout=0.2)
        self.conn.fromuserqueue.put(b"\x00\x22") #Inexistent Service

    def _test_set_params_invalidservice_no_exception(self):
        self.udsclient.config['exception_on_invalid_response'] = False
        control_type = services.CommunicationControl.ControlType.disableRxAndTx
        com_type = CommunicationType(subnet=5, normal_msg=True, network_management_msg=True)
        response = self.udsclient.communication_control(control_type=control_type, communication_type=com_type)	
        self.assertFalse(response.valid)

    def test_comcontrol_wrongservice_exception(self):
        self.wait_request_and_respond(b"\x7E\x22") # Valid but wrong service (Tester Present)

    def _test_comcontrol_wrongservice_exception(self):
        with self.assertRaises(UnexpectedResponseException) as handle:
            control_type = services.CommunicationControl.ControlType.disableRxAndTx
            com_type = CommunicationType(subnet=3, normal_msg=True, network_management_msg=True)
            self.udsclient.communication_control(control_type=control_type, communication_type=com_type)	

    def test_comcontrol_wrongservice_no_exception(self):
        self.wait_request_and_respond(b"\x7E\x22") # Valid but wrong service (Tester Present)

    def _test_comcontrol_wrongservice_no_exception(self):
        self.udsclient.config['exception_on_unexpected_response'] = False
        control_type = services.CommunicationControl.ControlType.disableRxAndTx
        com_type = CommunicationType(subnet=3, normal_msg=True, network_management_msg=True)
        response = self.udsclient.communication_control(control_type=control_type, communication_type=com_type)	
        self.assertTrue(response.valid)
        self.assertTrue(response.unexpected)

    def test_comcontrol_bad_control_type_exception(self):
        self.wait_request_and_respond(b"\x68\x08") # Valid but bad control type

    def _test_comcontrol_bad_control_type_exception(self):
        with self.assertRaises(UnexpectedResponseException) as handle:
            com_type = CommunicationType(subnet=3, normal_msg=True, network_management_msg=True)
            self.udsclient.communication_control(control_type=9, communication_type=com_type)	

    def test_comcontrol_bad_control_type_no_exception(self):
        self.wait_request_and_respond(b"\x68\x08") # Valid but bad control type

    def _test_comcontrol_bad_control_type_no_exception(self):
        self.udsclient.config['exception_on_unexpected_response'] = False
        com_type = CommunicationType(subnet=3, normal_msg=True, network_management_msg=True)
        response = self.udsclient.communication_control(control_type=9, communication_type=com_type)	
        self.assertTrue(response.valid)
        self.assertTrue(response.unexpected)

    def test_bad_param(self):
        pass

    def _test_bad_param(self):
        valid_com_type = CommunicationType(subnet=3, normal_msg=True, network_management_msg=True)
        with self.assertRaises(ValueError):
            self.udsclient.communication_control(control_type='x', communication_type=valid_com_type)	

        with self.assertRaises(ValueError):
            self.udsclient.communication_control(control_type=0x80, communication_type=valid_com_type)

        with self.assertRaises(ValueError):
            self.udsclient.communication_control(control_type=-1, communication_type=valid_com_type)

        with self.assertRaises(ValueError):
            self.udsclient.communication_control(control_type=0, communication_type='x')
