#!/usr/bin/env python

import subprocess
import ssl
import sys
import time

if sys.version < '2.7':
    print("WARNING: SSL not supported on Python 2.6")
    exit(0)


import inspect, os
# From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))
if cmd_subfolder not in sys.path:
    sys.path.insert(0, cmd_subfolder)

import mosq_test

def write_config1(filename, port1, port2):
    with open(filename, 'w') as f:
        f.write("allow_anonymous true\n")
        f.write("\n")
        f.write("psk_file 08-tls-psk-bridge.psk\n")
        f.write("\n")
        f.write("port %d\n" % (port1))
        f.write("\n")
        f.write("listener %d\n" % (port2))
        f.write("psk_hint hint\n")

def write_config2(filename, port2, port3):
    with open(filename, 'w') as f:
        f.write("port %d\n" % (port3))
        f.write("\n")
        f.write("connection bridge-psk\n")
        f.write("address localhost:%d\n" % (port2))
        f.write("topic psk/test out\n")
        f.write("bridge_identity psk-test\n")
        f.write("bridge_psk deadbeef\n")

(port1, port2, port3) = mosq_test.get_port(3)
conf_file1 = "08-tls-psk-bridge.conf"
conf_file2 = "08-tls-psk-bridge.conf2"
write_config1(conf_file1, port1, port2)
write_config2(conf_file2, port2, port3)

env = dict(os.environ)
env['LD_LIBRARY_PATH'] = '../../lib:../../lib/cpp'
try:
    pp = env['PYTHONPATH']
except KeyError:
    pp = ''
env['PYTHONPATH'] = '../../lib/python:'+pp


rc = 1
keepalive = 60
connect_packet = mosq_test.gen_connect("no-psk-test-client", keepalive=keepalive)
connack_packet = mosq_test.gen_connack(rc=0)

mid = 1
subscribe_packet = mosq_test.gen_subscribe(mid, "psk/test", 0)
suback_packet = mosq_test.gen_suback(mid, 0)

publish_packet = mosq_test.gen_publish(topic="psk/test", payload="message", qos=0)

bridge_cmd = ['../../src/mosquitto', '-c', '08-tls-psk-bridge.conf2']
broker = mosq_test.start_broker(filename=os.path.basename(__file__), use_conf=True, port=port1)
bridge = mosq_test.start_broker(filename=os.path.basename(__file__)+'_bridge', cmd=bridge_cmd, port=port3)

pub = None
try:
    sock = mosq_test.do_client_connect(connect_packet, connack_packet, timeout=30, port=port1)
    sock.send(subscribe_packet)

    if mosq_test.expect_packet(sock, "suback", suback_packet):
        pub = subprocess.Popen(['./c/08-tls-psk-bridge.test', str(port3)], env=env, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
        if pub.wait():
            raise ValueError
        (stdo, stde) = pub.communicate()

        if mosq_test.expect_packet(sock, "publish", publish_packet):
            rc = 0
    sock.close()
finally:
    os.remove(conf_file1)
    os.remove(conf_file2)
    time.sleep(1)
    broker.terminate()
    broker.wait()
    time.sleep(1)
    bridge.terminate()
    bridge.wait()
    (stdo, stde) = broker.communicate()
    if rc:
        print(stde)
        (stdo, stde) = bridge.communicate()
        print(stde)
        if pub:
            (stdo, stde) = pub.communicate()
            print(stdo)

exit(rc)