#!/usr/bin/env python
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import copy
import unittest

import command
import config
import ipv6
import node

LEADER = 1
BR = 2
ROUTER1 = 3
DUT_ROUTER2 = 4
MED1 = 5


class Cert_5_3_10_AddressQuery(unittest.TestCase):
    def setUp(self):
        self.simulator = config.create_default_simulator()

        self.nodes = {}
        for i in range(1, 6):
            self.nodes[i] = node.Node(i, (i == MED1), simulator=self.simulator)

        self.nodes[LEADER].set_panid(0xface)
        self.nodes[LEADER].set_mode('rsdn')
        self.nodes[LEADER].add_whitelist(self.nodes[BR].get_addr64())
        self.nodes[LEADER].add_whitelist(self.nodes[ROUTER1].get_addr64())
        self.nodes[LEADER].add_whitelist(self.nodes[DUT_ROUTER2].get_addr64())
        self.nodes[LEADER].enable_whitelist()

        self.nodes[BR].set_panid(0xface)
        self.nodes[BR].set_mode('rsdn')
        self.nodes[BR].add_whitelist(self.nodes[LEADER].get_addr64())
        self.nodes[BR].enable_whitelist()
        self.nodes[BR].set_router_selection_jitter(1)

        self.nodes[ROUTER1].set_panid(0xface)
        self.nodes[ROUTER1].set_mode('rsdn')
        self.nodes[ROUTER1].add_whitelist(self.nodes[LEADER].get_addr64())
        self.nodes[ROUTER1].add_whitelist(self.nodes[DUT_ROUTER2].get_addr64())
        self.nodes[ROUTER1].enable_whitelist()
        self.nodes[ROUTER1].set_router_selection_jitter(1)

        self.nodes[DUT_ROUTER2].set_panid(0xface)
        self.nodes[DUT_ROUTER2].set_mode('rsdn')
        self.nodes[DUT_ROUTER2].add_whitelist(self.nodes[LEADER].get_addr64())
        self.nodes[DUT_ROUTER2].add_whitelist(self.nodes[ROUTER1].get_addr64())
        self.nodes[DUT_ROUTER2].add_whitelist(self.nodes[MED1].get_addr64())
        self.nodes[DUT_ROUTER2].enable_whitelist()
        self.nodes[DUT_ROUTER2].set_router_selection_jitter(1)

        self.nodes[MED1].set_panid(0xface)
        self.nodes[MED1].set_mode('rsn')
        self.nodes[MED1].add_whitelist(self.nodes[DUT_ROUTER2].get_addr64())
        self.nodes[MED1].enable_whitelist()

    def tearDown(self):
        for n in list(self.nodes.values()):
            n.stop()
            n.destroy()
        self.simulator.stop()

    def test(self):
        # 1 & 2
        # Build and verify the topology
        self.nodes[LEADER].start()
        self.simulator.go(5)
        self.assertEqual(self.nodes[LEADER].get_state(), 'leader')

        self.nodes[BR].start()
        self.simulator.go(5)
        self.assertEqual(self.nodes[BR].get_state(), 'router')

        # Configure two On-Mesh Prefixes on the BR
        self.nodes[BR].add_prefix('2003::/64', 'paros')
        self.nodes[BR].add_prefix('2004::/64', 'paros')
        self.nodes[BR].register_netdata()

        # Set lowpan context of sniffer
        self.simulator.set_lowpan_context(1, '2003::/64')
        self.simulator.set_lowpan_context(2, '2004::/64')

        self.nodes[DUT_ROUTER2].start()
        self.simulator.go(5)
        self.assertEqual(self.nodes[DUT_ROUTER2].get_state(), 'router')

        self.nodes[ROUTER1].start()
        self.simulator.go(5)
        self.assertEqual(self.nodes[ROUTER1].get_state(), 'router')

        self.nodes[MED1].start()
        self.simulator.go(5)
        self.assertEqual(self.nodes[MED1].get_state(), 'child')

        # 3 MED1: MED1 sends an ICMPv6 Echo Request to Router1 using GUA 2003::
        # address
        router1_addr = self.nodes[ROUTER1].get_addr("2003::/64")
        self.assertTrue(router1_addr is not None)
        self.assertTrue(self.nodes[MED1].ping(router1_addr))

        # Wait for sniffer got Address Notification messages
        self.simulator.go(1)

        # Verify DUT_ROUTER2 sent an Address Query Request
        dut_router2_messages = self.simulator.get_messages_sent_by(DUT_ROUTER2)
        msg = dut_router2_messages.next_coap_message('0.02', '/a/aq')
        command.check_address_query(
            msg,
            self.nodes[DUT_ROUTER2],