'''
Created on 20.05.2015

@author: wn
'''

import paho.mqtt.client as mqtt
import json
import pymongo
import datetime

def on_message(client, userdata, msg):
    j = json.loads(msg.payload)
    now = datetime.datetime.now()
    midnight = now.replace(now.year, now.month, now.day, 0,0,0,0)
    seconds = (now - midnight).seconds
    j['metadata']['timestamp'] = datetime.datetime.now()
    j['metadata']['seconds'] = seconds
    j['metadata']['day'] = midnight
    print(j)
    mongoClient = pymongo.MongoClient('localhost')
    db = mongoClient.iot
    r = db.iot.insert_one(j)


if __name__ == '__main__':
    print("Starting client ...")
    
    client = mqtt.Client()
    client.on_message = on_message
    client.connect("mqttbroker", 1883, 60)
    client.subscribe("IoT/Measurement/#")
    client.subscribe("IoT/WiFiPowerMeter/Measurement")

    client.loop_forever()