# -*- coding: utf-8 -*-
# !/usr/bin/env python

import sys
import uuid

import os

PROJECT_ROOT = os.path.join(os.path.abspath(os.path.split(os.path.realpath(__file__))[0] + "/.."), '..')
sys.path.insert(0, PROJECT_ROOT)

import os

os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'configs.{env}'.format(env = 'production'))

from django.conf import settings
from script.base import init_env
import simplejson as json

init_env(interactive = False)

from apps.web.core.networking import MessageSender
from apps.web.device.models import Device, DeviceDict
from apps.web.constant import Const, DeviceOnlineStatus
from apps.web.core.mqtt_client import MqttClient

driver_code = '100230'
driver_ver = '1.0.5'
driver_path = 'http://121.43.232.118/uploaded/version/drivers/task/100230_uart_huandian_anqi/default.driver'
max_count = -1

mqttc1883 = None
mqttc1884 = None

try:
    def on_connect(client, userdata, flags, rc):
        pass

    def on_message(mqttc, obj, msg):
        # type: (MqttClient, obj, json)->None
        msgDict = json.loads(bytes.decode(msg.payload))
        imei = msgDict['IMEI']

        print 'msg dict is: {}'.format(msgDict)

    def on_disconnect(client, userdata, self):
        print('exit. client = %s' % str(client))

    mqttc1883 = MqttClient(client_id = 'webapp_' + str(uuid.uuid1()))
    try:
        mqttc1883.on_message = on_message
        mqttc1883.on_connect = on_connect
        mqttc1883.on_disconnect = on_disconnect

        mqttc1883.username_pw_set(settings.MQTT_USER, settings.MQTT_PSWD)
        mqttc1883.connect(settings.MQTT_HOSTNAME, 1883, 60)
        mqttc1883.loop_start()

    except Exception as e:
        print(e)

    mqttc1884 = MqttClient(client_id = 'webapp_' + str(uuid.uuid1()))
    try:
        mqttc1884.on_message = on_message
        mqttc1884.on_connect = on_connect
        mqttc1884.on_disconnect = on_disconnect

        mqttc1884.username_pw_set(settings.MQTT_USER, settings.MQTT_PSWD)
        mqttc1884.connect(settings.MQTT_HOSTNAME, 1884, 60)
        mqttc1884.loop_start()
    except Exception as e:
        print(e)

    count = 0

    objs = Device.get_collection().find({'driverCode':driver_code})
    for obj in objs:
        try:
            if max_count != -1 and count >= 1:
                print 'max count reach.'
                break

            devNo = obj['devNo']

            dev = Device.get_dev(devNo)  # type: DeviceDict

            print(dev)

            if dev.online != DeviceOnlineStatus.DEV_STATUS_ONLINE:
                print '{} is offline.'.format(devNo)
                continue

            if dev['driverVersion'] == 'v{}'.format(driver_ver):
                continue

            cmdPara = {'IMEI': devNo, "driver_set": { "driver_url": driver_path}}
            print cmdPara

            result = MessageSender.send(device = dev, cmd = Const.CMD_CODE_SET_DEVINFO, payload = cmdPara, timeout = 15)
            if result['rst'] != 0:
                print 'IMEI({}) failure.'.format(devNo)
                continue
            else:
                count = count + 1

        except Exception, e:
            print 'some exception =%s' % e
finally:
    if mqttc1883:
        mqttc1883.loop_stop()
        mqttc1883.disconnect()
        mqttc1883.close()

    if mqttc1884:
        mqttc1884.loop_stop()
        mqttc1884.disconnect()
        mqttc1884.close()

    print('finished')