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

import node

LEADER = 1
ROUTER1 = 2
ROUTER2 = 3
ROUTER3 = 4
ROUTER4 = 5

class Cert_5_5_4_SplitMergeRouters(unittest.TestCase):
    def setUp(self):
        self.nodes = {}
        for i in range(1,6):
            self.nodes[i] = node.Node(i)

        self.nodes[LEADER].set_panid(0xface)
        self.nodes[LEADER].set_mode('rsdn')
        self._setUpLeader()

        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[ROUTER3].get_addr64())
        self.nodes[ROUTER1].enable_whitelist()
        self.nodes[ROUTER1].set_router_selection_jitter(1)

        self.nodes[ROUTER2].set_panid(0xface)
        self.nodes[ROUTER2].set_mode('rsdn')
        self.nodes[ROUTER2].add_whitelist(self.nodes[LEADER].get_addr64())
        self.nodes[ROUTER2].add_whitelist(self.nodes[ROUTER4].get_addr64())
        self.nodes[ROUTER2].enable_whitelist()
        self.nodes[ROUTER2].set_router_selection_jitter(1)

        self.nodes[ROUTER3].set_panid(0xface)
        self.nodes[ROUTER3].set_mode('rsdn')
        self.nodes[ROUTER3].add_whitelist(self.nodes[ROUTER1].get_addr64())
        self.nodes[ROUTER3].enable_whitelist()
        self.nodes[ROUTER3].set_router_selection_jitter(1)

        self.nodes[ROUTER4].set_panid(0xface)
        self.nodes[ROUTER4].set_mode('rsdn')
        self.nodes[ROUTER4].add_whitelist(self.nodes[ROUTER2].get_addr64())
        self.nodes[ROUTER4].enable_whitelist()
        self.nodes[ROUTER4].set_router_selection_jitter(1)

    def _setUpLeader(self):
        self.nodes[LEADER].add_whitelist(self.nodes[ROUTER1].get_addr64())
        self.nodes[LEADER].add_whitelist(self.nodes[ROUTER2].get_addr64())
        self.nodes[LEADER].enable_whitelist()
        self.nodes[LEADER].set_router_selection_jitter(1)        

    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[ROUTER1].start()
        time.sleep(5)
        self.assertEqual(self.nodes[ROUTER1].get_state(), 'router')

        self.nodes[ROUTER2].start()
        time.sleep(5)
        self.assertEqual(self.nodes[ROUTER2].get_state(), 'router')

        self.nodes[ROUTER3].start()
        time.sleep(5)
        self.assertEqual(self.nodes[ROUTER3].get_state(), 'router')

        self.nodes[ROUTER4].start()
        time.sleep(5)
        self.assertEqual(self.nodes[ROUTER4].get_state(), 'router')

        self.nodes[LEADER].reset()
        self._setUpLeader()
        time.sleep(150)

        self.nodes[LEADER].start()
        time.sleep(50)

        self.assertEqual(self.nodes[LEADER].get_state(), 'router')

        addrs = self.nodes[ROUTER4].get_addrs()
        for addr in addrs:
            if addr[0:4] != 'fe80':
                self.assertTrue(self.nodes[ROUTER3].ping(addr))

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