import paho.mqtt.client as mqtt
import ssl
import redis
import time
import signal
import sys
import os
import json

class RiderLocationCache(object):

    def run(self, client):
        print "running loop..."
        client.loop_forever()

# TODO: fix this and put these guys back under the class
def init_subscriptions(client):
    print "subscribing to rider/+/location"
    client.subscribe('rider/+/location')

def on_connect(client, userdata, flags, rc):
    init_subscriptions(client)
    #print("Connected with result code "+str(rc))
    # client.subscribe("$SYS/#")

def user_data_set(userdata):
    conn = redis.StrictRedis(host='localhost', port=6379, db=0)
    return conn

def on_publish(client, userdata, mid):
    pass

def on_message(client, userdata, message):
    # TODO: persist redis connection
    redis_conn = user_data_set(userdata)
    #print("message topic=", message.topic[0:10])

    topic_split = message.topic.split('/')
    if topic_split[0] != 'rider':
        return;
    payload_split = message.payload.split(':')

    #print repr(message)
    rider_long = str(res['longitude'])
    rider_lat = str(res['latitude'])

    # set the location
    redis_conn.geoadd('rider_active', rider_long, rider_lat, topic_split[1])