import uuid
from datetime import datetime
import simplejson as json
from concurrent.futures import ThreadPoolExecutor

from base import init_env
init_env(interactive = True)

from apps.web.core.mqtt_client import MqttClient


class LoggerHandler(object):

    def __init__(self):
        self._executor = ThreadPoolExecutor(max_workers=3)

    @property
    def executor(self):
        return self._executor

    def insert(self, msgDict):
        if msgDict.get("cmd") not in (210, 100):
            return
        print("------------------insert")
        self.executor.submit(self.log_msg, msgDict)

    @staticmethod
    def log_msg(msg):
        devNo = msg.get("IMEI")
        data = msg.get("data") or ""
        funCode = msg.get("funCode") or data[8: 10]
        topic = "smartBox" if funCode else "server"
        dateTime = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
        msg = "TOPIC: {}\nDATE: {}\nIMEI: {}\nDATA: {}\nCODE: {}\n".format(topic, dateTime, devNo, data, funCode)
        fileName = "./an_qi_log/{}.log".format(devNo)
        with open(fileName, "a") as f:
            f.write(msg)

        
loggerHandler = LoggerHandler()


def generate_device_imei():
    path = "./devNos.txt"
    with open(path) as devFile:
        devNos = devFile.readlines()
    return devNos


def on_connect(client, *args, **kwargs):

    for devNo in generate_device_imei():
        device_topic = "+/{}/210".format(devNo.strip())
        client.subscribe(device_topic)
        print 'subscribe topic(%s) success' % device_topic
        device_topic = "+/{}/100".format(devNo.strip())
        client.subscribe(device_topic)
        print 'subscribe topic(%s) success' % device_topic


def on_message(m, obj, msg):
    print("on message++++++++++++++++++++++++++++++")
    msgDict = json.loads(bytes.decode(msg.payload))

    print msgDict
    print type(msgDict)
    loggerHandler.insert(msgDict)



mqttClient = MqttClient(client_id='webapp_' + str(uuid.uuid1()))
MQTT_U = "UCQ3FCdN"
MQTT_P = "Wh4tN8eJKZ5GeV8n72BVbUTILr5VJmXf"
try:
    mqttClient.on_message = on_message
    mqttClient.on_connect = on_connect

    mqttClient.username_pw_set(MQTT_U, MQTT_P)
    mqttClient.connect("120.27.251.159", 1883, 60)

    mqttClient.loop_forever()

finally:
    mqttClient.disconnect()
    mqttClient.close()