import paho.mqtt.client as mqtt
import requests

# The callback for when the client receives a CONNACK response from the server.
def on_connect(client, userdata, flags, rc):
    print("Connected with result code "+str(rc))
    # Subscribing in on_connect() means that if we lose the connection and
    # reconnect then subscriptions will be renewed. 
    client.subscribe("shellies/freilandsolar/relay/0/power") 
    client.subscribe("shellies/freilandsolar/relay/0/energy")

# The callback for when a PUBLISH message is received from the server.
def on_message(client, userdata, msg):
    print(msg.topic+" "+ msg.payload.decode("utf-8"))
    HEADERS = { "Authorization" : "43d3886948451157f1b03bfc7db18c1ed4e4950bc77ffac3e70dff422574b204", "content-type":"application/json" } 
    URL = ""
    BODY = ""
    #power
    if "power" in msg.topic: 
        URL = "https://api.opensensemap.org/boxes/63f26d484fbabe0007d105d2/63f26d484fbabe0007d105d3"
        BODY = '{"value":' + msg.payload.decode("utf-8")+"}"
        result = requests.post(url = URL, headers = HEADERS, data = BODY)
    #energy & savings
    if "energy" in msg.topic: 
        URL = "https://api.opensensemap.org/boxes/63f26d484fbabe0007d105d2/data" 
        #calculate energy from Watt-minutes
        energy = float(msg.payload.decode("utf-8"))/60.0/1000.0
        BODY = '['
        BODY = BODY + '{"sensor":"63f2778a4fbabe0007d68fd9", "value":' + ("{:.1f}".format(energy)) + "},"
        #calculate savings
        savings = energy * 0.45
        BODY = BODY + '{"sensor":"63f3482c4fbabe000746658e", "value":' + ("{:.2f}".format(savings)) + "}" 
        BODY = BODY + ']'
        print(BODY)
        result = requests.post(url = URL, headers = HEADERS, data = BODY)
    print(result.text)

client = mqtt.Client()
client.on_connect = on_connect
client.on_message = on_message
client.username_pw_set("freilandsolar","Js9LLejQA6cBiA==")

client.connect("ccc-p.org", 1883, 60)


# Blocking call that processes network traffic, dispatches callbacks and
# handles reconnecting.
# Other loop*() functions are available that give a threaded interface and a
# manual interface.
client.loop_forever()