ComfoFan plugin domoticz

#Comfofan Controller
#
"""
<plugin key="ComfoFanControl" name="Zehnder Comfofan Controller" version="0.0.1">
    <params>
        <param field="Address" label="Server address" width="300px" required="true" default="192.168.2.2"/>
        <param field="Username" label="Username" default="admin" width="300px"/>
        <param field="Password" label="Password" default="nrf905" width="300px"/>
    </params>
</plugin>
"""

import Domoticz
#import json
from requests import get
from requests import post


class BasePlugin:
#heartbeat of more thsn 30 secs gives error in domoticz log
#countbeat is the multiplier of 30 seconds so in this case 900 second between each update of the FAN data
    countBeats=30

    def __init__(self):
        return

    def onStart(self):
        # Enable heartbeat

        Domoticz.Log(Parameters["Address"])
        if len(Devices) < 3:
            Domoticz.Log("Missing devices:(")

            self.createDevices()
        Domoticz.Heartbeat(30)

    def createDevices(self):
        if not (1 in Devices):
            Domoticz.Device(Name="FanSpeed", Unit=1, Type=243, Subtype=19, Image=7, Used=1).Create()

        if not (2 in Devices):
            SelectorNames="|Low|Medium|High|Max"
            SelectorOptions="||||"
            Options={"LevelNames":SelectorNames,
                     "LevelActions":SelectorOptions,
                     "LevelOffHidden": "true",
                     "SelectorStyle": "0"}
            Domoticz.Device(Name="Afzuiging Snelheid", Used=1, Unit=2, TypeName="Selector Switch", Switchtype=18, Image=7, Options=Options).Create()
            Domoticz.Log("Devices created.")

        if not (3 in Devices):
            SelectorNames="|10min|30min|60min"
            SelectorOptions="|||"
            Options={"LevelNames":SelectorNames,
                     "LevelActions":SelectorOptions,
                     "LevelOffHidden": "true",
                     "SelectorStyle": "0"}
            Domoticz.Device(Name="Afzuiging Timer", Used=1, Unit=3, TypeName="Selector Switch", Switchtype=18, Image=13, Options=Options).Create()
            Domoticz.Log("Devices created.")


    def onStop(self):
        Domoticz.Log("Stopping")

    def onHeartbeat(self):
        self.countBeats -= 1
        if self.countBeats > 0:
            return
        else:
            self.countBeats = 30
        Domoticz.Log("Heartbeating...")
        url = 'http://'+Parameters['Address']+'/api/test/fan/querydevice.json'
        x =  get(url, auth=(Parameters['Username'], Parameters['Password']))
#        Parameters["Username"]
#        data = json.loads(x.text)
        data = x.json()
        devices = data['devices']
        fanID = list(devices.keys())[0] # get the first fanID, i only have one :)
        fanValues = devices[fanID]

        Domoticz.Log("ID: {0}".format(fanValues['id']))
        Domoticz.Log("Speed: {0}".format(fanValues['speed']))
        Domoticz.Log("Timer: {0}".format(fanValues['timer']))
        Domoticz.Log("Percentage: {0}".format(fanValues['percentage']))
        Domoticz.Log("Voltage: {0}".format(fanValues['voltage']))
        if (1 in Devices):
            Devices[1].Update(nValue = 0,sValue=fanValues['speed'])
#            Devices[2].Update(nValue = 10)
        if (2 in Devices):
           if fanValues['speed'] == 'low':
               curSpeed = '10'
           elif fanValues['speed'] == 'medium':
               curSpeed = '20'
           elif fanValues['speed'] == 'high':
               curSpeed = '30'
           else:
               curSpeed = '40'
           Devices[2].Update(0, curSpeed)

    def onCommand(self, Unit, Command, Level, Hue):
#        Domoticz.Log("onCommand called for Unit " + str(Unit) + ": Parameter '" + str(Command) + "', Level: " + str(Level))
        if Unit == 2:
            if  Level == 10:
#                Domoticz.Log("Fan speed set to Low")
                setSpeed = 'low'
            elif Level == 20:
                setSpeed = 'medium'
            elif Level == 30:
                setSpeed = 'high'
            else:
                setSpeed = "max"
            url = 'http://'+Parameters['Address']+'/api/v2/fan/setspeed.json?speed={0}'.format(setSpeed)
            x =  get(url, auth=(Parameters['Username'], Parameters['Password']))
            Devices[2].Update(0, str(Level))
        elif Unit == 3:
            if Level == 10:
                setTime = 10
                Domoticz.Log("10 minuten")
            elif Level == 20:
                Domoticz.Log("30 minuten")
                setTime = 30
            else:
                setTime = 60
                Domoticz.Log("60 minuten")
            setSpeed = "max"
            url = 'http://'+Parameters['Address']+'/api/v2/fan/setspeed.json?speed={0}&timer={1}'.format(setSpeed, setTime)
            x =  get(url, auth=(Parameters['Username'], Parameters['Password']))

#            Domoticz.Log('{0}'.format(Devices[2].sValue))
global _plugin
_plugin = BasePlugin()

def onStart():
    global _plugin
    _plugin.onStart()

def onStop():
    global _plugin
    _plugin.onStop()

def onHeartbeat():
    global _plugin
    _plugin.onHeartbeat()

def onCommand(Unit, Command, Level, Hue):
    global _plugin
    _plugin.onCommand(Unit, Command, Level, Hue)