#!/usr/bin/env python3
#
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from cli import verify
from cli import verify_within
import cli
import time

# -----------------------------------------------------------------------------------------------------------------------
# Test description:
#
# Two BRs on two different Thread networks.

test_name = __file__[:-3] if __file__.endswith('.py') else __file__
print('-' * 120)
print('Starting \'{}\''.format(test_name))

# -----------------------------------------------------------------------------------------------------------------------
# Creating `cli.Nodes` instances

speedup = 60
cli.Node.set_time_speedup_factor(speedup)

br1 = cli.Node()
br2 = cli.Node()

WAIT_TIME = 5
IF_INDEX = 1

# -----------------------------------------------------------------------------------------------------------------------
# Test implementation

# Start first BR with its own Thread network

br1.form('net1')
verify(br1.get_state() == 'leader')

br1.br_init(IF_INDEX, 1)
br1.br_enable()

time.sleep(1)
verify(br1.br_get_state() == 'running')

br1_local_omr = br1.br_get_local_omrprefix()
br1_favored_omr = br1.br_get_favored_omrprefix().split()[0]
verify(br1_local_omr == br1_favored_omr)

br1_local_onlink = br1.br_get_local_onlinkprefix()
br1_favored_onlink = br1.br_get_favored_onlinkprefix().split()[0]
verify(br1_local_onlink == br1_favored_onlink)

# Start second BR with its own Thread network.

br2.form('net2')
verify(br2.get_state() == 'leader')

br2.br_init(IF_INDEX, 1)
br2.br_enable()

time.sleep(1)
verify(br2.br_get_state() == 'running')

br2_local_omr = br2.br_get_local_omrprefix()
br2_favored_omr = br2.br_get_favored_omrprefix().split()[0]
verify(br2_local_omr == br2_favored_omr)

br2_local_onlink = br2.br_get_local_onlinkprefix()
br2_favored_onlink = br2.br_get_favored_onlinkprefix().split()[0]
verify(br2_local_onlink != br2_favored_onlink)

# BR2 should see and favor the on-link prefix already advertised by BR1.

verify(br1_favored_onlink == br2_favored_onlink)

# Check that the two BRs discover and track each other (not as peer BR since
# connected to different networks).

for br in [br1, br2]:
    routers = br.br_get_routers()
    verify(len(routers) > 0)
    for router in routers:
        verify('reachable:yes' in router)
        verify('S:1' in router)
        verify(not router.endswith('(peer BR)'))
    hist_list = br.cli('history onlinkprefix list')
    verify(len(hist_list) == 1)

# -----------------------------------------------------------------------------------------------------------------------
# Test finished

cli.Node.finalize_all_nodes()

print('\'{}\' passed.'.format(test_name))
