#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
"""
devices (DEVICES)
=================

**Author:**

* Dirk Alders <sudo-dirk@mount-mockery.de>

**Description:**

    This Module supports smarthome devices

**Submodules:**

* :mod:`shelly`
* :mod:`silvercrest_powerplug`

**Unittest:**

        See also the :download:`unittest <devices/_testresults_/unittest.pdf>` documentation.

**Module Documentation:**

"""

from base import mqtt_base
from base import videv_base
import json
import logging
import math
import task
import time

try:
    from config import APP_NAME as ROOT_LOGGER_NAME
except ImportError:
    ROOT_LOGGER_NAME = 'root'

BATTERY_WARN_LEVEL = 10


class warning(dict):
    TYPE_BATTERY_LOW = 1
    TYPE_OVERTEMPERATURE = 2
    #
    KEY_ID = 'id'
    KEY_TYPE = 'type'
    KEY_TEXT = 'text'
    KEY_TM = 'tm'

    def __init__(self, identification, type, text, args):
        super().__init__({
            self.KEY_ID: identification,
            self.KEY_TYPE: type,
            self.KEY_TEXT: text % args,
            self.KEY_TM: time.localtime(),
        })

    def __str__(self):
        return time.asctime(self.get(self.KEY_TM)) + ": " + self[self.KEY_TEXT] + " - " + self[self.KEY_ID]


def is_json(data):
    try:
        json.loads(data)
    except json.decoder.JSONDecodeError:
        return False
    else:
        return True


class group(object):
    def __init__(self, *args):
        super().__init__()
        self._members = args
        self._iter_counter = 0
        #
        self.methods = []
        for method in [m for m in args[0].__class__.__dict__.keys()]:
            if not method.startswith('_') and callable(getattr(args[0], method)):   # add all public callable attributes to the list
                self.methods.append(method)
        #
        for member in self:
            methods = [m for m in member.__class__.__dict__.keys() if not m.startswith(
                '_') if not m.startswith('_') and callable(getattr(args[0], m))]
            if self.methods != methods:
                raise ValueError("All given instances needs to have same attributes:", self.methods, methods)

    def __iter__(self):
        return self

    def __next__(self):
        if self._iter_counter < len(self):
            self._iter_counter += 1
            return self._members[self._iter_counter - 1]
        self._iter_counter = 0
        raise StopIteration

    def __getitem__(self, i):
        return self._members[i]

    def __len__(self):
        return len(self._members)

    def __getattribute__(self, name):
        def group_execution(*args, **kwargs):
            for member in self[:]:
                m = getattr(member, name)
                m(*args, **kwargs)
        try:
            rv = super().__getattribute__(name)
        except AttributeError:
            return group_execution
        else:
            return rv


class base(mqtt_base):
    TX_TOPIC = "set"
    TX_VALUE = 0
    TX_DICT = 1
    TX_TYPE = -1
    TX_FILTER_DATA_KEYS = []
    #
    RX_KEYS = []
    RX_IGNORE_TOPICS = []
    RX_IGNORE_KEYS = []
    RX_FILTER_DATA_KEYS = []
    #
    KEY_WARNING = '__WARNING__'

    def __init__(self, mqtt_client, topic):
        super().__init__(mqtt_client, topic, default_values=dict.fromkeys(self.RX_KEYS + [self.KEY_WARNING]))
        # data storage
        # initialisations
        mqtt_client.add_callback(topic=self.topic, callback=self.receive_callback)
        mqtt_client.add_callback(topic=self.topic+"/#", callback=self.receive_callback)

    def set(self, key, data, block_callback=[]):
        if key in self.RX_IGNORE_KEYS:
            pass    # ignore these keys
        elif key in self.RX_KEYS or key == self.KEY_WARNING:
            return super().set(key, data, block_callback)
        else:
            self.logger.warning("Unexpected key %s", key)

    def receive_callback(self, client, userdata, message):
        if message.topic != self.topic + '/' + videv_base.KEY_INFO:
            content_key = message.topic[len(self.topic) + 1:]
            if content_key not in self.RX_IGNORE_TOPICS and (not message.topic.endswith(self.TX_TOPIC) or len(self.TX_TOPIC) == 0):
                self.logger.debug("Unpacking content_key \"%s\" from message.", content_key)
                if is_json(message.payload):
                    data = json.loads(message.payload)
                    if type(data) is dict:
                        for key in data:
                            self.set(key, self.__device_to_instance_filter__(key, data[key]))
                    else:
                        self.set(content_key, self.__device_to_instance_filter__(content_key, data))
                # String
                else:
                    self.set(content_key, self.__device_to_instance_filter__(content_key, message.payload.decode('utf-8')))
            else:
                self.logger.debug("Ignoring topic %s", content_key)

    def __device_to_instance_filter__(self, key, data):
        if key in self.RX_FILTER_DATA_KEYS:
            if data in [1, 'on', 'ON']:
                return True
            elif data in [0, 'off', 'OFF']:
                return False
        return data

    def __instance_to_device_filter__(self, key, data):
        if key in self.TX_FILTER_DATA_KEYS:
            if data is True:
                return "on"
            elif data is False:
                return "off"
        return data

    def send_command(self, key, data):
        data = self.__instance_to_device_filter__(key, data)
        if self.TX_TOPIC is not None:
            if self.TX_TYPE < 0:
                self.logger.error("Unknown tx type. Set TX_TYPE of class to a known value")
            else:
                self.logger.debug("Sending data for %s - %s", key, str(data))
                if self.TX_TYPE == self.TX_DICT:
                    self.mqtt_client.send('/'.join([self.topic, self.TX_TOPIC]), json.dumps({key: data}))
                else:
                    if type(data) not in [str, bytes]:
                        data = json.dumps(data)
                    self.mqtt_client.send('/'.join([self.topic, key, self.TX_TOPIC] if len(self.TX_TOPIC) > 0 else [self.topic, key]), data)
        else:
            self.logger.error("Unknown tx toptic. Set TX_TOPIC of class to a known value")


class shelly(base):
    """ Communication (MQTT)

        shelly
            +- relay
            |      +- 0 ["on" / "off"]              <- status 
            |      |  +- command ["on"/ "off"]      <- command
            |      |  +- energy [numeric]           <- status
            |      +- 1 ["on" / "off"]              <- status
            |         +- command ["on"/ "off"]      <- command
            |         +- energy [numeric]           <- status
            +- input
            |      +- 0 [0 / 1]                     <- status
            |      +- 1 [0 / 1]                     <- status
            +- input_event
            |      +- 0                             <- status
            |      +- 1                             <- status
            +- logpush
            |      +- 0 [0 / 1]                     <- status
            |      +- 1 [0 / 1]                     <- status
            +- temperature [numeric] °C             <- status
            +- temperature_f [numeric] F            <- status
            +- overtemperature [0 / 1]              <- status
            +- id                                   <- status
            +- model                                <- status
            +- mac                                  <- status
            +- ip                                   <- status
            +- new_fw                               <- status
            +- fw_ver                               <- status
    """
    KEY_OUTPUT_0 = "relay/0"
    KEY_OUTPUT_1 = "relay/1"
    KEY_INPUT_0 = "input/0"
    KEY_INPUT_1 = "input/1"
    KEY_LONGPUSH_0 = "longpush/0"
    KEY_LONGPUSH_1 = "longpush/1"
    KEY_TEMPERATURE = "temperature"
    KEY_OVERTEMPERATURE = "overtemperature"
    KEY_ID = "id"
    KEY_MODEL = "model"
    KEY_MAC = "mac"
    KEY_IP = "ip"
    KEY_NEW_FIRMWARE = "new_fw"
    KEY_FIRMWARE_VERSION = "fw_ver"
    #
    TX_TOPIC = "command"
    TX_TYPE = base.TX_VALUE
    TX_FILTER_DATA_KEYS = [KEY_OUTPUT_0, KEY_OUTPUT_1]
    #
    RX_KEYS = [KEY_OUTPUT_0, KEY_OUTPUT_1, KEY_INPUT_0, KEY_INPUT_1, KEY_LONGPUSH_0, KEY_LONGPUSH_1, KEY_OVERTEMPERATURE, KEY_TEMPERATURE,
               KEY_ID, KEY_MODEL, KEY_MAC, KEY_IP, KEY_NEW_FIRMWARE, KEY_FIRMWARE_VERSION]
    RX_IGNORE_TOPICS = [KEY_OUTPUT_0 + '/' + "energy", KEY_OUTPUT_1 + '/' + "energy", 'input_event/0', 'input_event/1']
    RX_IGNORE_KEYS = ['temperature_f']
    RX_FILTER_DATA_KEYS = [KEY_INPUT_0, KEY_INPUT_1, KEY_LONGPUSH_0, KEY_LONGPUSH_1, KEY_OUTPUT_0, KEY_OUTPUT_1, KEY_OVERTEMPERATURE]

    def __init__(self, mqtt_client, topic):
        super().__init__(mqtt_client, topic)
        #
        self.output_key_delayed = None
        self.delayed_flash_task = task.delayed(0.3, self.flash_task)
        self.delayed_off_task = task.delayed(0.3, self.off_task)
        #
        self.add_callback(self.KEY_OVERTEMPERATURE, True, self.__warning__, True)
        #
        self.all_off_requested = False

    def flash_task(self, *args):
        if self.flash_active:
            self.send_command(self.output_key_delayed, not self.get(self.output_key_delayed))
            self.output_key_delayed = None
            if self.all_off_requested:
                self.delayed_off_task.run()

    def off_task(self, *args):
        self.all_off()

    @property
    def flash_active(self):
        return self.output_key_delayed is not None

    #
    # WARNING CALL
    #
    def __warning__(self, client, key, data):
        w = warning(self.topic, warning.TYPE_OVERTEMPERATURE, "Temperature to high (%.1f°C)", self.get(self.KEY_TEMPERATURE) or math.nan)
        self.logger.warning(w)
        self.set(self.KEY_WARNING, w)

    #
    # RX
    #
    @property
    def output_0(self):
        """rv: [True, False]"""
        return self.get(self.KEY_OUTPUT_0)

    @property
    def output_1(self):
        """rv: [True, False]"""
        return self.get(self.KEY_OUTPUT_1)

    @property
    def input_0(self):
        """rv: [True, False]"""
        return self.get(self.KEY_INPUT_0)

    @property
    def input_1(self):
        """rv: [True, False]"""
        return self.get(self.KEY_INPUT_1)

    @property
    def longpush_0(self):
        """rv: [True, False]"""
        return self.get(self.KEY_LONGPUSH_0)

    @property
    def longpush_1(self):
        """rv: [True, False]"""
        return self.get(self.KEY_LONGPUSH_1)

    @property
    def temperature(self):
        """rv: numeric value"""
        return self.get(self.KEY_TEMPERATURE)

    #
    # TX
    #
    def set_output_0(self, state):
        """state: [True, False]"""
        self.send_command(self.KEY_OUTPUT_0, state)

    def set_output_0_mcb(self, device, key, data):
        self.logger.log(logging.INFO if data != self.output_0 else logging.DEBUG, "Changing output 0 to %s", str(data))
        self.set_output_0(data)

    def toggle_output_0_mcb(self, device, key, data):
        self.logger.info("Toggeling output 0")
        self.set_output_0(not self.output_0)

    def set_output_1(self, state):
        """state: [True, False]"""
        self.send_command(self.KEY_OUTPUT_1, state)

    def set_output_1_mcb(self, device, key, data):
        self.logger.log(logging.INFO if data != self.output_1 else logging.DEBUG, "Changing output 1 to %s", str(data))
        self.set_output_1(data)

    def toggle_output_1_mcb(self, device, key, data):
        self.logger.info("Toggeling output 1")
        self.set_output_1(not self.output_1)

    def flash_0_mcb(self, device, key, data):
        self.output_key_delayed = self.KEY_OUTPUT_0
        self.toggle_output_0_mcb(device, key, data)
        self.delayed_flash_task.run()

    def flash_1_mcb(self, device, key, data):
        self.output_key_delayed = self.KEY_OUTPUT_1
        self.toggle_output_1_mcb(device, key, data)
        self.delayed_flash_task.run()

    def all_off(self):
        if self.flash_active:
            self.all_off_requested = True
        else:
            if self.output_0:
                self.set_output_0(False)
            if self.output_1:
                self.set_output_1(False)


class silvercrest_powerplug(base):
    """ Communication (MQTT)

        silvercrest_powerplug {
                            |      "state": ["ON" / "OFF"]
                            |      "linkquality": [0...255] lqi
                            | }
                            +- get {
                            |           "state": ""
                            |      }
                            +- set {
                                        "state": ["ON" / "OFF"]
                                   }
    """
    KEY_LINKQUALITY = "linkquality"
    KEY_OUTPUT_0 = "state"
    #
    TX_TYPE = base.TX_DICT
    TX_FILTER_DATA_KEYS = [KEY_OUTPUT_0]
    #
    RX_KEYS = [KEY_LINKQUALITY, KEY_OUTPUT_0]
    RX_FILTER_DATA_KEYS = [KEY_OUTPUT_0]

    def __init__(self, mqtt_client, topic):
        super().__init__(mqtt_client, topic)

    #
    # RX
    #
    @property
    def output_0(self):
        """rv: [True, False]"""
        return self.get(self.KEY_OUTPUT_0)

    @property
    def linkquality(self):
        """rv: numeric value"""
        return self.get(self.KEY_LINKQUALITY)

    #
    # TX
    #
    def set_output_0(self, state):
        """state: [True, False]"""
        self.send_command(self.KEY_OUTPUT_0, state)

    def set_output_0_mcb(self, device, key, data):
        self.logger.log(logging.INFO if data != self.output_0 else logging.DEBUG, "Changing output 0 to %s", str(data))
        self.set_output_0(data)

    def toggle_output_0_mcb(self, device, key, data):
        self.logger.info("Toggeling output 0")
        self.set_output_0(not self.output_0)

    def all_off(self):
        if self.output_0:
            self.set_output_0(False)


class silvercrest_motion_sensor(base):
    """ Communication (MQTT)

        silvercrest_motion_sensor {
                                      battery: [0...100] %
                                      battery_low: [True, False]
                                      linkquality: [0...255] lqi
                                      occupancy: [True, False]
                                      tamper: [True, False]
                                      voltage: [0...] mV
                                  }
    """
    KEY_BATTERY = "battery"
    KEY_BATTERY_LOW = "battery_low"
    KEY_LINKQUALITY = "linkquality"
    KEY_OCCUPANCY = "occupancy"
    KEY_UNMOUNTED = "tamper"
    KEY_VOLTAGE = "voltage"
    #
    TX_TYPE = base.TX_DICT
    #
    RX_KEYS = [KEY_BATTERY, KEY_BATTERY_LOW, KEY_LINKQUALITY, KEY_OCCUPANCY, KEY_UNMOUNTED, KEY_VOLTAGE]

    def __init__(self, mqtt_client, topic):
        super().__init__(mqtt_client, topic)
        #
        self.add_callback(self.KEY_BATTERY_LOW, True, self.__warning__, True)

    #
    # WARNING CALL
    #
    def __warning__(self, client, key, data):
        w = warning(self.topic, warning.TYPE_BATTERY_LOW, "Battery low (%.1f%%)", self.get(self.KEY_BATTERY) or math.nan)
        self.logger.warning(w)
        self.set(self.KEY_WARNING, w)

    #
    # RX
    #
    @property
    def linkquality(self):
        """rv: numeric value"""
        return self.get(self.KEY_LINKQUALITY)

    @property
    def battery(self):
        """rv: numeric value"""
        return self.get(self.KEY_BATTERY)


class my_powerplug(base):
    """ Communication (MQTT)

        my_powerplug
                   +- output
                           +- 1 [True, False]                   <- status
                           |  +- set [True, False, "toggle"]    <- command
                           +- 2 [True, False]                   <- status
                           |  +- set [True, False, "toggle"]    <- command
                           +- 3 [True, False]                   <- status
                           |  +- set [True, False, "toggle"]    <- command
                           +- 4 [True, False]                   <- status
                           |  +- set [True, False, "toggle"]    <- command
                           +- all
                              +- set [True, False, "toggle"]    <- command
    """
    KEY_OUTPUT_0 = "output/1"
    KEY_OUTPUT_1 = "output/2"
    KEY_OUTPUT_2 = "output/3"
    KEY_OUTPUT_3 = "output/4"
    KEY_OUTPUT_ALL = "output/all"
    KEY_OUTPUT_LIST = [KEY_OUTPUT_0, KEY_OUTPUT_1, KEY_OUTPUT_2, KEY_OUTPUT_3]
    #
    TX_TYPE = base.TX_VALUE
    #
    RX_KEYS = [KEY_OUTPUT_0, KEY_OUTPUT_1, KEY_OUTPUT_2, KEY_OUTPUT_3]

    def __init__(self, mqtt_client, topic):
        super().__init__(mqtt_client, topic)

    #
    # RX
    #
    @property
    def output_0(self):
        """rv: [True, False]"""
        return self.get(self.KEY_OUTPUT_0)

    @property
    def output_1(self):
        """rv: [True, False]"""
        return self.get(self.KEY_OUTPUT_1)

    @property
    def output_2(self):
        """rv: [True, False]"""
        return self.get(self.KEY_OUTPUT_2)

    @property
    def output_3(self):
        """rv: [True, False]"""
        return self.get(self.KEY_OUTPUT_3)

    #
    # TX
    #
    def set_output(self, key, state):
        if key in self.KEY_OUTPUT_LIST:
            self.send_command(key, state)
        else:
            logging.error("Unknown key to set the output!")

    def set_output_0(self, state):
        """state: [True, False]"""
        self.send_command(self.KEY_OUTPUT_0, state)

    def set_output_0_mcb(self, device, key, data):
        self.logger.log(logging.INFO if data != self.output_0 else logging.DEBUG, "Changing output 0 to %s", str(data))
        self.set_output_0(data)

    def toggle_output_0_mcb(self, device, key, data):
        self.logger.info("Toggeling output 0")
        self.set_output_0(not self.output_0)

    def set_output_1(self, state):
        """state: [True, False]"""
        self.send_command(self.KEY_OUTPUT_1, state)

    def set_output_1_mcb(self, device, key, data):
        self.logger.log(logging.INFO if data != self.output_1 else logging.DEBUG, "Changing output 1 to %s", str(data))
        self.set_output_1(data)

    def toggle_output_1_mcb(self, device, key, data):
        self.logger.info("Toggeling output 1")
        self.set_output_1(not self.output_1)

    def set_output_2(self, state):
        """state: [True, False]"""
        self.send_command(self.KEY_OUTPUT_2, state)

    def set_output_2_mcb(self, device, key, data):
        self.logger.log(logging.INFO if data != self.output_2 else logging.DEBUG, "Changing output 2 to %s", str(data))
        self.set_output_2(data)

    def toggle_output_2_mcb(self, device, key, data):
        self.logger.info("Toggeling output 2")
        self.set_output_2(not self.output_2)

    def set_output_3(self, state):
        """state: [True, False]"""
        self.send_command(self.KEY_OUTPUT_3, state)

    def set_output_3_mcb(self, device, key, data):
        self.logger.log(logging.INFO if data != self.output_3 else logging.DEBUG, "Changing output 3 to %s", str(data))
        self.set_output_3(data)

    def toggle_output_3_mcb(self, device, key, data):
        self.logger.info("Toggeling output 3")
        self.set_output_3(not self.output_3)

    def set_output_all(self, state):
        """state: [True, False, 'toggle']"""
        self.send_command(self.KEY_OUTPUT_ALL, state)

    def set_output_all_mcb(self, device, key, data):
        self.logger.info("Changing all outputs to %s", str(data))
        self.set_output_all(data)

    def all_off(self):
        self.set_output_all(False)


class tradfri_light(base):
    """ Communication (MQTT)

        tradfri_light {
                    |      "state": ["ON" / "OFF" / "TOGGLE"]
                    |      "linkquality": [0...255] lqi
                    |      "brightness": [0...254]
                    |      "color_mode": ["color_temp"]
                    |      "color_temp": ["coolest", "cool", "neutral", "warm", "warmest", 250...454]
                    |      "color_temp_startup": ["coolest", "cool", "neutral", "warm", "warmest", "previous", 250...454]
                    |      "update": []
                    | }
                    +- get {
                    |           "state": ""
                    |      }
                    +- set {
                                "state": ["ON" / "OFF"]
                                "brightness": [0...256]
                                "color_temp": [250...454]
                                "transition": [0...] seconds
                                "brightness_move": [-X...0...X] X/s
                                "brightness_step": [-X...0...X]
                                "color_temp_move": [-X...0...X] X/s
                                "color_temp_step": [-X...0...X]
                            }
    """
    KEY_LINKQUALITY = "linkquality"
    KEY_OUTPUT_0 = "state"
    KEY_BRIGHTNESS = "brightness"
    KEY_COLOR_TEMP = "color_temp"
    KEY_BRIGHTNESS_FADE = "brightness_move"
    #
    TX_TYPE = base.TX_DICT
    TX_FILTER_DATA_KEYS = [KEY_OUTPUT_0, KEY_BRIGHTNESS, KEY_COLOR_TEMP, KEY_BRIGHTNESS_FADE]
    #
    RX_KEYS = [KEY_LINKQUALITY, KEY_OUTPUT_0, KEY_BRIGHTNESS, KEY_COLOR_TEMP]
    RX_IGNORE_KEYS = ['update', 'color_mode', 'color_temp_startup']
    RX_FILTER_DATA_KEYS = [KEY_OUTPUT_0, KEY_BRIGHTNESS, KEY_COLOR_TEMP]

    def __init__(self, mqtt_client, topic):
        super().__init__(mqtt_client, topic)

    def __device_to_instance_filter__(self, key, data):
        if key == self.KEY_BRIGHTNESS:
            return int(round((data - 1) * 100 / 253, 0))
        elif key == self.KEY_COLOR_TEMP:
            return int(round((data - 250) * 10 / 204, 0))
        return super().__device_to_instance_filter__(key, data)

    def __instance_to_device_filter__(self, key, data):
        if key == self.KEY_BRIGHTNESS:
            return int(round(data * 253 / 100 + 1, 0))
        elif key == self.KEY_COLOR_TEMP:
            return int(round(data * 204 / 10 + 250, 0))
        return super().__instance_to_device_filter__(key, data)

    #
    # RX
    #
    @property
    def output_0(self):
        """rv: [True, False]"""
        return self.get(self.KEY_OUTPUT_0, False)

    @property
    def linkquality(self):
        """rv: numeric value"""
        return self.get(self.KEY_LINKQUALITY, 0)

    @property
    def brightness(self):
        """rv: numeric value [0%, ..., 100%]"""
        return self.get(self.KEY_BRIGHTNESS, 0)

    @property
    def color_temp(self):
        """rv: numeric value [0, ..., 10]"""
        return self.get(self.KEY_COLOR_TEMP, 0)

    #
    # TX
    #
    def request_data(self, device=None, key=None, data=None):
        self.mqtt_client.send(self.topic + "/get", '{"%s": ""}' % self.KEY_OUTPUT_0)

    def set_output_0(self, state):
        """state: [True, False]"""
        self.send_command(self.KEY_OUTPUT_0, state)

    def set_output_0_mcb(self, device, key, data):
        self.logger.log(logging.INFO if data != self.output_0 else logging.DEBUG, "Changing output 0 to %s", str(data))
        self.set_output_0(data)

    def toggle_output_0_mcb(self, device, key, data):
        self.logger.info("Toggeling output 0")
        self.set_output_0(not self.output_0)

    def set_brightness(self, brightness):
        """brightness: [0, ..., 100]"""
        self.send_command(self.KEY_BRIGHTNESS, brightness)

    def set_brightness_mcb(self, device, key, data):
        self.logger.log(logging.INFO if data != self.brightness else logging.DEBUG, "Changing brightness to %s", str(data))
        self.set_brightness(data)

    def default_inc(self, speed=40):
        self.send_command(self.KEY_BRIGHTNESS_FADE, speed)

    def default_dec(self, speed=-40):
        self.default_inc(speed)

    def default_stop(self):
        self.default_inc(0)

    def set_color_temp(self, color_temp):
        """color_temp: [0, ..., 10]"""
        self.send_command(self.KEY_COLOR_TEMP, color_temp)

    def set_color_temp_mcb(self, device, key, data):
        self.logger.log(logging.INFO if data != self.color_temp else logging.DEBUG, "Changing color temperature to %s", str(data))
        self.set_color_temp(data)

    def all_off(self):
        if self.output_0:
            self.set_output_0(False)


class tradfri_button(base):
    """ Communication (MQTT)

        tradfri_button {
                            "action": [
                                           "arrow_left_click",
                                           "arrow_left_hold",
                                           "arrow_left_release",
                                           "arrow_right_click",
                                           "arrow_right_hold",
                                           "arrow_right_release",
                                           "brightness_down_click",
                                           "brightness_down_hold",
                                           "brightness_down_release",
                                           "brightness_up_click",
                                           "brightness_up_hold",
                                           "brightness_up_release",
                                           "toggle"
                                      ]
                            "action_duration": [0...] s
                            "battery": [0...100] %
                            "linkquality": [0...255] lqi
                            "update": []
                       }
    """
    ACTION_TOGGLE = "toggle"
    ACTION_BRIGHTNESS_UP = "brightness_up_click"
    ACTION_BRIGHTNESS_DOWN = "brightness_down_click"
    ACTION_RIGHT = "arrow_right_click"
    ACTION_LEFT = "arrow_left_click"
    ACTION_BRIGHTNESS_UP_LONG = "brightness_up_hold"
    ACTION_BRIGHTNESS_UP_RELEASE = "brightness_up_release"
    ACTION_BRIGHTNESS_DOWN_LONG = "brightness_down_hold"
    ACTION_BRIGHTNESS_DOWN_RELEASE = "brightness_down_release"
    ACTION_RIGHT_LONG = "arrow_right_hold"
    ACTION_RIGHT_RELEASE = "arrow_right_release"
    ACTION_LEFT_LONG = "arrow_left_hold"
    ACTION_LEFT_RELEASE = "arrow_left_release"
    #
    KEY_LINKQUALITY = "linkquality"
    KEY_BATTERY = "battery"
    KEY_ACTION = "action"
    KEY_ACTION_DURATION = "action_duration"
    #
    RX_KEYS = [KEY_LINKQUALITY, KEY_BATTERY, KEY_ACTION]
    RX_IGNORE_KEYS = ['update', KEY_ACTION_DURATION]

    def __init__(self, mqtt_client, topic):
        super().__init__(mqtt_client, topic)
        #
        self.add_callback(self.KEY_BATTERY, None, self.__warning__, True)
        self.__battery_warning__ = False

    #
    # WARNING CALL
    #
    def __warning__(self, client, key, data):
        if data <= BATTERY_WARN_LEVEL:
            if not self.__battery_warning__:
                w = warning(self.topic, warning.TYPE_BATTERY_LOW, "Battery low (%.1f%%)", data)
                self.logger.warning(w)
                self.set(self.KEY_WARNING, w)
        else:
            self.__battery_warning__ = False

    #
    # RX
    #
    @property
    def action(self):
        """rv: action_txt"""
        return self.get(self.KEY_ACTION)


class brennenstuhl_heatingvalve(base):
    """ Communication (MQTT)

        brennenstuhl_heatingvalve {
                                |      "away_mode": ["ON", "OFF"]
                                |      "battery": [0...100] %
                                |      "child_lock": ["LOCK", "UNLOCK"]
                                |      "current_heating_setpoint": [5...30] °C
                                |      "linkquality": [0...255] lqi
                                |      "local_temperature": [numeric] °C
                                |      "preset": ["manual", ...]
                                |      "system_mode": ["heat", ...]
                                |      "valve_detection": ["ON", "OFF"]
                                |      "window_detection": ["ON", "OFF"]
                                | }
                                +- set {
                                           "away_mode": ["ON", "OFF", "TOGGLE"]
                                           "child_lock": ["LOCK", "UNLOCK"]
                                           "current_heating_setpoint": [5...30] °C
                                           "preset": ["manual", ...]
                                           "system_mode": ["heat", ...]
                                           "valve_detection": ["ON", "OFF", "TOGGLE"]
                                           "window_detection": ["ON", "OFF", "TOGGLE"]
                                       }
    """
    KEY_LINKQUALITY = "linkquality"
    KEY_BATTERY = "battery"
    KEY_HEATING_SETPOINT = "current_heating_setpoint"
    KEY_TEMPERATURE = "local_temperature"
    #
    KEY_AWAY_MODE = "away_mode"
    KEY_CHILD_LOCK = "child_lock"
    KEY_PRESET = "preset"
    KEY_SYSTEM_MODE = "system_mode"
    KEY_VALVE_DETECTION = "valve_detection"
    KEY_WINDOW_DETECTION = "window_detection"
    #
    TX_TYPE = base.TX_DICT
    #
    RX_KEYS = [KEY_LINKQUALITY, KEY_BATTERY, KEY_HEATING_SETPOINT, KEY_TEMPERATURE]
    RX_IGNORE_KEYS = [KEY_AWAY_MODE, KEY_CHILD_LOCK, KEY_PRESET, KEY_SYSTEM_MODE, KEY_VALVE_DETECTION, KEY_WINDOW_DETECTION]

    def __init__(self, mqtt_client, topic):
        super().__init__(mqtt_client, topic)
        self.mqtt_client.send(self.topic + '/' + self.TX_TOPIC, json.dumps({self.KEY_WINDOW_DETECTION: "ON",
                              self.KEY_CHILD_LOCK: "UNLOCK", self.KEY_VALVE_DETECTION: "ON", self.KEY_SYSTEM_MODE: "heat", self.KEY_PRESET: "manual"}))
        #
        self.add_callback(self.KEY_BATTERY, None, self.__warning__, True)
        self.__battery_warning__ = False

    #
    # WARNING CALL
    #
    def __warning__(self, client, key, data):
        if data <= BATTERY_WARN_LEVEL:
            if not self.__battery_warning__:
                self.__battery_warning__ = True
                w = warning(self.topic, warning.TYPE_BATTERY_LOW, "Battery low (%.1f%%)", data)
                self.logger.warning(w)
                self.set(self.KEY_WARNING, w)
        else:
            self.__battery_warning__ = False

    #
    # RX
    #
    @property
    def linkqulity(self):
        return self.get(self.KEY_LINKQUALITY)

    @property
    def heating_setpoint(self):
        return self.get(self.KEY_HEATING_SETPOINT)

    @property
    def temperature(self):
        return self.get(self.KEY_TEMPERATURE)

    #
    # TX
    #
    def set_heating_setpoint(self, setpoint):
        self.send_command(self.KEY_HEATING_SETPOINT, setpoint)

    def set_heating_setpoint_mcb(self, device, key, data):
        self.logger.info("Changing heating setpoint to %s", str(data))
        self.set_heating_setpoint(data)


class remote(base):
    """ Communication (MQTT)

        remote (RAS5)                               <- command
             +- CD [dc]
             +- LINE1 [dc]
             +- LINE2 [dc]
             +- LINE3 [dc]
             +- MUTE [dc]
             +- POWER [dc]
             +- VOLDOWN [dc]
             +- VOLUP [dc]
             +- PHONO [dc]
             +- DOCK [dc]

        remote (EUR642100)                          <- command
             +- OPEN_CLOSE [dc]
             +- VOLDOWN [dc]
             +- VOLUP [dc]
             +- ONE [dc]
             +- TWO [dc]
             +- THREE [dc]
             +- FOUR [dc]
             +- FIVE [dc]
             +- SIX [dc]
             +- SEVEN [dc]
             +- EIGHT [dc]
             +- NINE [dc]
             +- ZERO [dc]
             +- TEN [dc]
             +- TEN_PLUS [dc]
             +- PROGRAM [dc]
             +- CLEAR [dc]
             +- RECALL [dc]
             +- TIME_MODE [dc]
             +- A_B_REPEAT [dc]
             +- REPEAT [dc]
             +- RANDOM [dc]
             +- AUTO_CUE [dc]
             +- TAPE_LENGTH [dc]
             +- SIDE_A_B [dc]
             +- TIME_FADE [dc]
             +- PEAK_SEARCH [dc]
             +- SEARCH_BACK [dc]
             +- SEARCH_FOR [dc]
             +- TRACK_NEXT [dc]
             +- TRACK_PREV [dc]
             +- STOP [dc]
             +- PAUSE [dc]
             +- PLAY [dc]
    """
    KEY_CD = "CD"
    KEY_LINE1 = "LINE1"
    KEY_LINE3 = "LINE3"
    KEY_MUTE = "MUTE"
    KEY_POWER = "POWER"
    KEY_VOLDOWN = "VOLDOWN"
    KEY_VOLUP = "VOLUP"
    #
    TX_TOPIC = ''
    TX_TYPE = base.TX_VALUE
    #
    RX_IGNORE_TOPICS = [KEY_CD, KEY_LINE1, KEY_LINE3, KEY_MUTE, KEY_POWER, KEY_VOLUP, KEY_VOLDOWN]

    def set_cd(self, device=None, key=None, data=None):
        self.send_command(self.KEY_CD, None)

    def set_line1(self, device=None, key=None, data=None):
        self.send_command(self.KEY_LINE1, None)

    def set_line3(self, device=None, key=None, data=None):
        self.send_command(self.KEY_LINE3, None)

    def set_mute(self, device=None, key=None, data=None):
        self.send_command(self.KEY_MUTE, None)

    def set_power(self, device=None, key=None, data=None):
        self.send_command(self.KEY_POWER, None)

    def set_volume_up(self, data=False):
        """data: [True, False]"""
        self.send_command(self.KEY_VOLUP, data)

    def set_volume_down(self, data=False):
        """data: [True, False]"""
        self.send_command(self.KEY_VOLDOWN, data)

    def default_inc(self, device=None, key=None, data=None):
        self.set_volume_up(True)

    def default_dec(self, device=None, key=None, data=None):
        self.set_volume_down(True)

    def default_stop(self, device=None, key=None, data=None):
        self.set_volume_up(False)


class audio_status(base):
    """ Communication (MQTT)

        audio_status
            +- state [True, False]                  <- status
            +- title [text]                         <- status
    """
    KEY_STATE = "state"
    KEY_TITLE = "title"
    #
    TX_TYPE = base.TX_VALUE
    #
    RX_KEYS = [KEY_STATE, KEY_TITLE]

    def set_state(self, num, data):
        """data: [True, False]"""
        self.send_command(self.KEY_STATE + "/" + str(num), data)

    def set_state_mcb(self, device, key, data):
        self.logger.info("Changing state to %s", str(data))
        self.set_state(data)