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# Python sample to publish data to Aercloud
# uses mosquitto Python API
# see https://aeriscom.jira.com/wiki/display/DOCS/API+Reference#APIReference-MQTT

# Andy Piper @andypiper November 2013

import json
import mosquitto

# define callbacks
def on_connect(mosq, obj, rc):
    if rc == 0:
        print("Connected to Aercloud successfully.")
    else:
        print("Cannot connect, rc: "+str(rc))

def on_connect2(mosq, obj, rc):
    if rc == 0:
        mosq.subscribe("hack1/things/1/location", 0)
        print("Connected to IBM cloud successfully.")
    else:
        print("Cannot connect, rc: "+str(rc))

def on_disconnect(mosq, obj, rc):
    print("Disconnected.")

def on_publish(mosq, obj, mid):
    print("Message ID "+str(mid)+" published.")

def on_subscribe(mosq, obj, mid, granted_qos):
    print("Subscribed: "+str(mid)+" "+str(granted_qos))

def on_message(mosq, obj, msg):
    print(msg.topic+" "+str(msg.qos)+" "+str(msg.payload))

    lon,lat = str(msg.payload).split(",")

    # update robot location (should really set proper timestamp too...)

    pubmsg=json.dumps({
      "Accuracy":"10",
      "Latitude":lat,
      "LocationTimeStamp":"1366361979315",
      "Longitude":lon
      })

    print("Message data to be published: " + pubmsg)
    mqttc.publish(user + "/scls/" + sclID + "/containers/" + container + "/contentInstances", pubmsg)

# define variables
broker = "mqtt.aercloud.aeris.com"
port = 1883
user = "myuserid" # Aercloud User ID
pw = "mykey" # Aercloud API Key
sclID = "robotclient" # Aercloud sclID / deviceID (must be provisioned)
container = "mycontainer" # Aercloud Container

# create MQTT client instance for Aercloud
mqttc = mosquitto.Mosquitto(sclID)
mqttc.username_pw_set(user, pw) # must be user ID + API key

# set callbacks to be triggered
mqttc.on_connect = on_connect
mqttc.on_publish = on_publish
mqttc.on_disconnect = on_disconnect

# connect to broker
# NB call loop() regularly to enable callbacks to be triggered
mqttc.connect(broker, port, 60)
mqttc.loop()

# create MQTT client for IBM cloud
mqttc2 = mosquitto.Mosquitto("robotlistener")
mqttc2.on_subscribe = on_subscribe
mqttc2.on_message = on_message
mqttc2.on_connect = on_connect2
mqttc2.connect("5.153.17.246", 1883, 60)
mqttc2.loop_forever()