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

# -----------------------------------------------------------------------------------------------------------------------
# Test description: joining (as router, end-device, sleepy) - two node network

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

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

speedup = 4
cli.Node.set_time_speedup_factor(speedup)

server = cli.Node()
client = cli.Node()

WAIT_TIME = 5

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

server.form('srp-test')
verify(server.get_state() == 'leader')

client.join(server)
verify(client.get_state() == 'router')

# Check initial state of SRP client and server
verify(server.srp_server_get_state() == 'disabled')
verify(server.srp_server_get_addr_mode() == 'unicast')
verify(client.srp_client_get_state() == 'Disabled')

# Start server and client and register single service
server.srp_server_enable()

client.srp_client_enable_auto_start_mode()
verify(client.srp_client_get_auto_start_mode() == 'Enabled')
client.srp_client_set_host_name('host')
client.srp_client_set_host_address('fd00::cafe')
client.srp_client_add_service('ins', '_test._udp', 777, 2, 1)


def check_server_has_service():
    verify(len(server.srp_server_get_hosts()) > 0)


verify_within(check_server_has_service, WAIT_TIME)

# Check state and service/host info on client and server

verify(client.srp_client_get_auto_start_mode() == 'Enabled')
verify(client.srp_client_get_state() == 'Enabled')
verify(client.srp_client_get_server_address() == server.get_mleid_ip_addr())

verify(client.srp_client_get_host_state() == 'Registered')
verify(client.srp_client_get_host_name() == 'host')
addresses = client.srp_client_get_host_address()
verify(len(addresses) == 1)
verify(addresses[0] == 'fd00:0:0:0:0:0:0:cafe')

services = client.srp_client_get_services()
verify(len(services) == 1)
service = services[0]
verify(service['instance'] == 'ins')
verify(service['name'] == '_test._udp')
verify(service['state'] == 'Registered')
verify(service['port'] == '777')
verify(service['priority'] == '2')
verify(service['weight'] == '1')

verify(server.srp_server_get_state() == 'running')

hosts = server.srp_server_get_hosts()
verify(len(hosts) == 1)
host = hosts[0]
verify(host['name'] == 'host')
verify(host['deleted'] == 'false')
verify(host['addresses'] == ['fd00:0:0:0:0:0:0:cafe'])

services = server.srp_server_get_services()
verify(len(services) == 1)
service = services[0]
verify(service['instance'] == 'ins')
verify(service['name'] == '_test._udp')
verify(service['deleted'] == 'false')
verify(service['subtypes'] == '(null)')
verify(service['port'] == '777')
verify(service['priority'] == '2')
verify(service['weight'] == '1')
verify(service['host'] == 'host')
verify(service['addresses'] == ['fd00:0:0:0:0:0:0:cafe'])

# Check the client address is added in EID cache table (snoop).

cache_table = server.get_eidcache()
client_rloc = int(client.get_rloc16(), 16)
found_entry = False

for entry in cache_table:
    fields = entry.strip().split(' ')
    if (fields[0] == 'fd00:0:0:0:0:0:0:cafe'):
        verify(int(fields[1], 16) == client_rloc)
        verify(fields[2] == 'snoop')
        found_entry = True
        break

verify(found_entry)

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

cli.Node.finalize_all_nodes()

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