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

import node

COMMISSIONER = 1
LEADER = 2
ROUTER = 3
ED = 4
SED = 5

CHANNEL_INIT = 19
PANID_INIT = 0xface
LEADER_ACTIVE_TIMESTAMP = 10

COMMISSIONER_PENDING_CHANNEL = 20
COMMISSIONER_PENDING_PANID = 0xafce

class Cert_9_2_8_PersistentDatasets(unittest.TestCase):
    def setUp(self):
        self.nodes = {}
        for i in range(1,6):
            self.nodes[i] = node.Node(i)

        self.nodes[COMMISSIONER].set_active_dataset(LEADER_ACTIVE_TIMESTAMP, panid=PANID_INIT, channel=CHANNEL_INIT)
        self.nodes[COMMISSIONER].set_mode('rsdn')
        self.nodes[COMMISSIONER].add_whitelist(self.nodes[LEADER].get_addr64())
        self.nodes[COMMISSIONER].enable_whitelist()
        self.nodes[COMMISSIONER].set_router_selection_jitter(1)

        self.nodes[LEADER].set_active_dataset(LEADER_ACTIVE_TIMESTAMP, panid=PANID_INIT, channel=CHANNEL_INIT)
        self.nodes[LEADER].set_mode('rsdn')
        self.nodes[LEADER].add_whitelist(self.nodes[COMMISSIONER].get_addr64())
        self.nodes[LEADER].add_whitelist(self.nodes[ROUTER].get_addr64())
        self.nodes[LEADER].add_whitelist(self.nodes[ED].get_addr64())
        self.nodes[LEADER].add_whitelist(self.nodes[SED].get_addr64())
        self.nodes[LEADER].enable_whitelist()

        self.nodes[ROUTER].set_active_dataset(LEADER_ACTIVE_TIMESTAMP, panid=PANID_INIT, channel=CHANNEL_INIT)
        self.nodes[ROUTER].set_mode('rsdn')
        self._setUpRouter()

        self.nodes[ED].set_active_dataset(LEADER_ACTIVE_TIMESTAMP, panid=PANID_INIT, channel=CHANNEL_INIT)
        self.nodes[ED].set_mode('rsn')
        self._setUpEd()

        self.nodes[SED].set_active_dataset(LEADER_ACTIVE_TIMESTAMP, panid=PANID_INIT, channel=CHANNEL_INIT)
        self.nodes[SED].set_mode('s')
        self._setUpSed()

    def _setUpRouter(self):
        self.nodes[ROUTER].add_whitelist(self.nodes[LEADER].get_addr64())
        self.nodes[ROUTER].enable_whitelist()
        self.nodes[ROUTER].set_router_selection_jitter(1)

    def _setUpEd(self):
        self.nodes[ED].add_whitelist(self.nodes[LEADER].get_addr64())
        self.nodes[ED].enable_whitelist()
        self.nodes[ED].set_timeout(3)

    def _setUpSed(self):
        self.nodes[SED].add_whitelist(self.nodes[LEADER].get_addr64())
        self.nodes[SED].enable_whitelist()
        self.nodes[SED].set_timeout(3)

    def tearDown(self):
        for node in list(self.nodes.values()):
            node.stop()
        del self.nodes

    def test(self):
        self.nodes[LEADER].start()
        self.nodes[LEADER].set_state('leader')
        self.assertEqual(self.nodes[LEADER].get_state(), 'leader')

        self.nodes[COMMISSIONER].start()
        time.sleep(5)
        self.assertEqual(self.nodes[COMMISSIONER].get_state(), 'router')

        self.nodes[ROUTER].start()
        time.sleep(5)
        self.assertEqual(self.nodes[ROUTER].get_state(), 'router')

        self.nodes[ED].start()
        time.sleep(5)
        self.assertEqual(self.nodes[ED].get_state(), 'child')

        self.nodes[SED].start()
        time.sleep(5)
        self.assertEqual(self.nodes[SED].get_state(), 'child')

        self.nodes[COMMISSIONER].commissioner_start()
        time.sleep(3)

        self.nodes[COMMISSIONER].send_mgmt_pending_set(pending_timestamp=10,
                                                       active_timestamp=70,
                                                       delay_timer=60000,
                                                       channel=COMMISSIONER_PENDING_CHANNEL,
                                                       panid=COMMISSIONER_PENDING_PANID)
        time.sleep(5)

        self.nodes[ROUTER].reset()
        self.nodes[ED].reset()
        self.nodes[SED].reset()

        time.sleep(60)

        self.assertEqual(self.nodes[LEADER].get_panid(), COMMISSIONER_PENDING_PANID)
        self.assertEqual(self.nodes[COMMISSIONER].get_panid(), COMMISSIONER_PENDING_PANID)

        self.assertEqual(self.nodes[LEADER].get_channel(), COMMISSIONER_PENDING_CHANNEL)
        self.assertEqual(self.nodes[COMMISSIONER].get_channel(), COMMISSIONER_PENDING_CHANNEL)
        
        # reset the devices here again to simulate the fact that the devices were disabled the entire time
        self.nodes[ROUTER].reset()
        self._setUpRouter()
        self.nodes[ROUTER].start()
        self.nodes[ED].reset()
        self._setUpEd()
        self.nodes[ED].start()
        self.nodes[SED].reset()
        self._setUpSed()
        self.nodes[SED].start()

        self.assertEqual(self.nodes[ROUTER].get_panid(), PANID_INIT)
        self.assertEqual(self.nodes[ED].get_panid(), PANID_INIT)
        self.assertEqual(self.nodes[SED].get_panid(), PANID_INIT)

        self.assertEqual(self.nodes[ROUTER].get_channel(), CHANNEL_INIT)
        self.assertEqual(self.nodes[ED].get_channel(), CHANNEL_INIT)
        self.assertEqual(self.nodes[SED].get_channel(), CHANNEL_INIT)

        time.sleep(5)

        self.assertEqual(self.nodes[ROUTER].get_panid(), COMMISSIONER_PENDING_PANID)
        self.assertEqual(self.nodes[ED].get_panid(), COMMISSIONER_PENDING_PANID)
        self.assertEqual(self.nodes[SED].get_panid(), COMMISSIONER_PENDING_PANID)

        self.assertEqual(self.nodes[ROUTER].get_channel(), COMMISSIONER_PENDING_CHANNEL)
        self.assertEqual(self.nodes[ED].get_channel(), COMMISSIONER_PENDING_CHANNEL)
        self.assertEqual(self.nodes[SED].get_channel(), COMMISSIONER_PENDING_CHANNEL)

        time.sleep(5)

        ipaddrs = self.nodes[ROUTER].get_addrs()
        for ipaddr in ipaddrs:
            if ipaddr[0:4] != 'fe80':
                self.assertTrue(self.nodes[LEADER].ping(ipaddr))
 
        ipaddrs = self.nodes[ED].get_addrs()
        for ipaddr in ipaddrs:
            if ipaddr[0:4] != 'fe80':
                self.assertTrue(self.nodes[LEADER].ping(ipaddr))

        ipaddrs = self.nodes[SED].get_addrs()
        for ipaddr in ipaddrs:
            if ipaddr[0:4] != 'fe80':
                self.assertTrue(self.nodes[LEADER].ping(ipaddr))

if __name__ == '__main__':
    unittest.main()