#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import json
import logging
import os

try:
    from tinkerforge.bricklet_temperature import Temperature
    from tinkerforge.bricklet_humidity import Humidity
    from tinkerforge.bricklet_ambient_light import AmbientLight
    from tinkerforge.bricklet_barometer import Barometer
    from tinkerforge.bricklet_temperature_ir import BrickletTemperatureIR
except ImportError:
    print("package 'tinkerforge' not installed, canceling")
    raise Exception("package 'tinkerforge' not installed, canceling")


class SensorType:
    none = 0
    temp = 1  # temperature bricklet
    humi = 2  # humidity bricklet
    ambi = 3  # ambient light bricklet
    baro = 4  # barometer bricklet
    rain = 5  # IO4 #TODO
    iram = 6  # temperature ir bricklet, ambient
    irob = 7  # temperature ir bricklet, object
    irde = 8  # temperature ir bricklet, delta object-ambient


SENSOR_CONFIGS = {
    # SensorType.none: {
    # 	'obj': ,
    # 	'setcb': ,
    # 	'get': ,
    # 	'cb':
    # },
    SensorType.temp: {
        'obj': Temperature,
        'setcb': Temperature.set_temperature_callback_period,
        'get': Temperature.get_temperature,
        'cb': Temperature.CALLBACK_TEMPERATURE
    },
    SensorType.humi: {
        'obj': Humidity,
        'setcb': Humidity.set_humidity_callback_period,
        'get': Humidity.get_humidity,
        'cb': Humidity.CALLBACK_HUMIDITY
    },
    SensorType.ambi: {
        'obj': AmbientLight,
        'setcb': AmbientLight.set_illuminance_callback_period,
        'get': AmbientLight.get_illuminance,
        'cb': AmbientLight.CALLBACK_ILLUMINANCE
    },
    SensorType.baro: {
        'obj': Barometer,
        'setcb': Barometer.set_air_pressure_callback_period,
        'get': Barometer.get_air_pressure,
        'cb': Barometer.CALLBACK_AIR_PRESSURE
    },
    SensorType.iram: {
        'obj': BrickletTemperatureIR,
        'setcb': BrickletTemperatureIR.set_ambient_temperature_callback_period,
        'get': BrickletTemperatureIR.get_ambient_temperature,
        'cb': BrickletTemperatureIR.CALLBACK_AMBIENT_TEMPERATURE
    },
    SensorType.irob: {
        'obj': BrickletTemperatureIR,
        'setcb': BrickletTemperatureIR.set_object_temperature_callback_period,
        'get': BrickletTemperatureIR.get_object_temperature,
        'cb': BrickletTemperatureIR.CALLBACK_OBJECT_TEMPERATURE
    },
    SensorType.irde: {
        'delta': True,
        'obj': BrickletTemperatureIR,
        'setcb': BrickletTemperatureIR.set_object_temperature_callback_period,
        'get': BrickletTemperatureIR.get_ambient_temperature,
        'cb': BrickletTemperatureIR.CALLBACK_OBJECT_TEMPERATURE
    }
}

DEFAULTS = {
    "hosts": {
        "HOSTDESC_i": {
            "host": {"name": "HOSTNAME_OR_IP", "port": 4223},
            "sensors": {
                "NAME": ["UID", "SensorType.TYPE"]}
        }
    },
    "sensor_properties": {
        "SensorType.none": [0, 0, ""],
        "SensorType.temp": [30000, 100.0, "°C"],
        "SensorType.humi": [30000, 10.0, "%RH"],
        "SensorType.ambi": [60000, 10.0, "Lux"],
        "SensorType.baro": [60000, 1000, "mbar"],
        "SensorType.rain": [0, 2.5, "l/qm"],
        "SensorType.iram": [1000, 10.0, "°C"],
        "SensorType.irob": [1000, 10.0, "°C"]},
    "tempmaxdiff": 200,
    "prev_temps_default": 20000,
    "logs": 'logs',
    "locks": 'locks',
    "records": 'records',
    "arch": 'arch',
    "lockname": "all.lock",
    "logname": "logging.log",
    "exceptionlog": "exceptions.xml",
    "recordlog": "record.log",
    "movelog": "move.log",
    "movelock": "last_move",
    "waitDelay": 10,
    "tempSensors": 0,
    "loglevel": "info",
    "datalog": "info",
    "dataecho": "info",
    "legacy_record": True
}


class Settings(dict):
    def __getattr__(self, name):
        if name in self:
            return self[name]
        return DEFAULTS[name]

    def __setattr__(self, name, value):
        self[name] = value

    def __delattr__(self, name):
        del self[name]


def load_json(filename="config.json"):
    values = json.load(open(filename), object_hook=Settings)
    sensors_name = "hosts"
    if sensors_name in values:
        for host in values[sensors_name]:
            for sensor in values[sensors_name][host]["sensors"]:
                sensor = values[sensors_name][host]["sensors"][sensor]
                sensor[1] = eval(sensor[1])
    sensor_props = "sensor_properties"
    if sensor_props in values:
        new_units = {}
        for unit in values[sensor_props]:
            new_units[eval(unit)] = values[sensor_props][unit]
        values[sensor_props] = new_units
    return values


def setup_logger():
    level = getattr(logging, settings.loglevel.upper(), logging.INFO)
    log = logging.getLogger("weatherstation")
    log.setLevel(level)
    ch = logging.StreamHandler()
    # formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
    formatter = logging.Formatter('%(asctime)s:[%(levelname)s] - %(message)s')
    ch.setFormatter(formatter)
    log.addHandler(ch)
    fh = logging.FileHandler(os.path.join(settings.logs, settings.logname))
    fh.setFormatter(formatter)
    log.addHandler(fh)
    return log


def setup_data_log():
    level = getattr(logging, settings.datalog.upper(), logging.INFO)
    log = logging.getLogger("weatherstation.datalog")
    log.setLevel(level)
    fh = logging.FileHandler(os.path.join(settings.records, settings.recordlog))
    fformat = logging.Formatter()
    fh.setFormatter(fformat)
    log.addHandler(fh)
    log.propagate = False
    return log


def setup_data_echo():
    level = getattr(logging, settings.dataecho.upper(), logging.INFO)
    log = logging.getLogger("weatherstation.data")
    log.setLevel(level)
    ch = logging.StreamHandler()
    formatter = logging.Formatter('%(asctime)s:[DATA] - %(message)s')
    ch.setFormatter(formatter)
    log.addHandler(ch)
    log.propagate = False
    return log


settings = load_json()
"""
    0: {
        "host": {
            "name": "192.168.2.60",
            "port": 4223
        },
        "sensors": {
            "temp1": ["7B5", SensorType.temp],
            "temp2": ["8js", SensorType.temp],
            "humi1": ["7RY", SensorType.humi],
            "ambi1": ["8Fw", SensorType.ambi],
            "ambi2": ["8DJ", SensorType.ambi],
            "baro1": ["bB7", SensorType.baro],
            "temp3": ["8ms", SensorType.temp],
            "humi2": ["9V5", SensorType.humi],
        }
    },"""