"""Support for Abode Home Security system."""
import logging
from functools import partial
from requests.exceptions import HTTPError, ConnectTimeout

import voluptuous as vol

from homeassistant.const import (
    ATTR_ATTRIBUTION,
    ATTR_DATE,
    ATTR_TIME,
    ATTR_ENTITY_ID,
    CONF_USERNAME,
    CONF_PASSWORD,
    CONF_EXCLUDE,
    CONF_NAME,
    CONF_LIGHTS,
    EVENT_HOMEASSISTANT_STOP,
    EVENT_HOMEASSISTANT_START,
)
from homeassistant.helpers import config_validation as cv
from homeassistant.helpers import discovery
from homeassistant.helpers.entity import Entity

_LOGGER = logging.getLogger(__name__)

ATTRIBUTION = "Data provided by goabode.com"

CONF_POLLING = "polling"

DOMAIN = "abode"
DEFAULT_CACHEDB = "./abodepy_cache.pickle"

NOTIFICATION_ID = "abode_notification"
NOTIFICATION_TITLE = "Abode Security Setup"

EVENT_ABODE_ALARM = "abode_alarm"
EVENT_ABODE_ALARM_END = "abode_alarm_end"
EVENT_ABODE_AUTOMATION = "abode_automation"
EVENT_ABODE_FAULT = "abode_panel_fault"
EVENT_ABODE_RESTORE = "abode_panel_restore"

SERVICE_SETTINGS = "change_setting"
SERVICE_CAPTURE_IMAGE = "capture_image"
SERVICE_TRIGGER = "trigger_quick_action"

ATTR_DEVICE_ID = "device_id"
ATTR_DEVICE_NAME = "device_name"
ATTR_DEVICE_TYPE = "device_type"
ATTR_EVENT_CODE = "event_code"
ATTR_EVENT_NAME = "event_name"
ATTR_EVENT_TYPE = "event_type"
ATTR_EVENT_UTC = "event_utc"
ATTR_SETTING = "setting"
ATTR_USER_NAME = "user_name"
ATTR_VALUE = "value"

ABODE_DEVICE_ID_LIST_SCHEMA = vol.Schema([str])

CONFIG_SCHEMA = vol.Schema(
    {
        DOMAIN: vol.Schema(
            {
                vol.Required(CONF_USERNAME): cv.string,
                vol.Required(CONF_PASSWORD): cv.string,
                vol.Optional(CONF_NAME): cv.string,
                vol.Optional(CONF_POLLING, default=False): cv.boolean,
                vol.Optional(CONF_EXCLUDE, default=[]): ABODE_DEVICE_ID_LIST_SCHEMA,
                vol.Optional(CONF_LIGHTS, default=[]): ABODE_DEVICE_ID_LIST_SCHEMA,
            }
        )
    },
    extra=vol.ALLOW_EXTRA,
)

CHANGE_SETTING_SCHEMA = vol.Schema(
    {vol.Required(ATTR_SETTING): cv.string, vol.Required(ATTR_VALUE): cv.string}
)

CAPTURE_IMAGE_SCHEMA = vol.Schema({ATTR_ENTITY_ID: cv.entity_ids})

TRIGGER_SCHEMA = vol.Schema({ATTR_ENTITY_ID: cv.entity_ids})

ABODE_PLATFORMS = [
    "alarm_control_panel",
    "binary_sensor",
    "lock",
    "switch",
    "cover",
    "camera",
    "light",
    "sensor",
]


class AbodeSystem:
    """Abode System class."""

    def __init__(self, username, password, cache, name, polling, exclude, lights):
        """Initialize the system."""
        import abodepy

        self.abode = abodepy.Abode(
            username,
            password,
            auto_login=True,
            get_devices=True,
            get_automations=True,
            cache_path=cache,
        )
        self.name = name
        self.polling = polling
        self.exclude = exclude
        self.lights = lights
        self.devices = []

    def is_excluded(self, device):
        """Check if a device is configured to be excluded."""
        return device.device_id in self.exclude

    def is_automation_excluded(self, automation):
        """Check if an automation is configured to be excluded."""
        return automation.automation_id in self.exclude

    def is_light(self, device):
        """Check if a switch device is configured as a light."""
        import abodepy.helpers.constants as CONST

        return device.generic_type == CONST.TYPE_LIGHT or (
            device.generic_type == CONST.TYPE_SWITCH and device.device_id in self.lights
        )


def setup(hass, config):
    """Set up Abode component."""
    from abodepy.exceptions import AbodeException

    conf = config[DOMAIN]
    username = conf.get(CONF_USERNAME)
    password = conf.get(CONF_PASSWORD)
    name = conf.get(CONF_NAME)
    polling = conf.get(CONF_POLLING)
    exclude = conf.get(CONF_EXCLUDE)
    lights = conf.get(CONF_LIGHTS)

    try:
        cache = hass.config.path(DEFAULT_CACHEDB)
        hass.data[DOMAIN] = AbodeSystem(
            username, password, cache, name, polling, exclude, lights
        )
    except (AbodeException, ConnectTimeout, HTTPError) as ex:
        _LOGGER.error("Unable to connect to Abode: %s", str(ex))

        hass.components.persistent_notification.create(
            "Error: {}<br />"
            "You will need to restart hass after fixing."
            "".format(ex),
            title=NOTIFICATION_TITLE,
            notification_id=NOTIFICATION_ID,
        )
        return False

    setup_hass_services(hass)
    setup_hass_events(hass)
    setup_abode_events(hass)

    for platform in ABODE_PLATFORMS:
        discovery.load_platform(hass, platform, DOMAIN, {}, config)

    return True


def setup_hass_services(hass):
    """Home assistant services."""
    from abodepy.exceptions import AbodeException

    def change_setting(call):
        """Change an Abode system setting."""
        setting = call.data.get(ATTR_SETTING)
        value = call.data.get(ATTR_VALUE)

        try:
            hass.data[DOMAIN].abode.set_setting(setting, value)
        except AbodeException as ex:
            _LOGGER.warning(ex)

    def capture_image(call):
        """Capture a new image."""
        entity_ids = call.data.get(ATTR_ENTITY_ID)

        target_devices = [
            device
            for device in hass.data[DOMAIN].devices
            if device.entity_id in entity_ids
        ]

        for device in target_devices:
            device.capture()

    def trigger_quick_action(call):
        """Trigger a quick action."""
        entity_ids = call.data.get(ATTR_ENTITY_ID, None)

        target_devices = [
            device
            for device in hass.data[DOMAIN].devices
            if device.entity_id in entity_ids
        ]

        for device in target_devices:
            device.trigger()

    hass.services.register(
        DOMAIN, SERVICE_SETTINGS, change_setting, schema=CHANGE_SETTING_SCHEMA
    )

    hass.services.register(
        DOMAIN, SERVICE_CAPTURE_IMAGE, capture_image, schema=CAPTURE_IMAGE_SCHEMA
    )

    hass.services.register(
        DOMAIN, SERVICE_TRIGGER, trigger_quick_action, schema=TRIGGER_SCHEMA
    )


def setup_hass_events(hass):
    """Home Assistant start and stop callbacks."""

    def startup(event):
        """Listen for push events."""
        hass.data[DOMAIN].abode.events.start()

    def logout(event):
        """Logout of Abode."""
        if not hass.data[DOMAIN].polling:
            hass.data[DOMAIN].abode.events.stop()

        hass.data[DOMAIN].abode.logout()
        _LOGGER.info("Logged out of Abode")

    if not hass.data[DOMAIN].polling:
        hass.bus.listen_once(EVENT_HOMEASSISTANT_START, startup)

    hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP, logout)


def setup_abode_events(hass):
    """Event callbacks."""
    import abodepy.helpers.timeline as TIMELINE

    def event_callback(event, event_json):
        """Handle an event callback from Abode."""
        data = {
            ATTR_DEVICE_ID: event_json.get(ATTR_DEVICE_ID, ""),
            ATTR_DEVICE_NAME: event_json.get(ATTR_DEVICE_NAME, ""),
            ATTR_DEVICE_TYPE: event_json.get(ATTR_DEVICE_TYPE, ""),
            ATTR_EVENT_CODE: event_json.get(ATTR_EVENT_CODE, ""),
            ATTR_EVENT_NAME: event_json.get(ATTR_EVENT_NAME, ""),
            ATTR_EVENT_TYPE: event_json.get(ATTR_EVENT_TYPE, ""),
            ATTR_EVENT_UTC: event_json.get(ATTR_EVENT_UTC, ""),
            ATTR_USER_NAME: event_json.get(ATTR_USER_NAME, ""),
            ATTR_DATE: event_json.get(ATTR_DATE, ""),
            ATTR_TIME: event_json.get(ATTR_TIME, ""),
        }

        hass.bus.fire(event, data)

    events = [
        TIMELINE.ALARM_GROUP,
        TIMELINE.ALARM_END_GROUP,
        TIMELINE.PANEL_FAULT_GROUP,
        TIMELINE.PANEL_RESTORE_GROUP,
        TIMELINE.AUTOMATION_GROUP,
    ]

    for event in events:
        hass.data[DOMAIN].abode.events.add_event_callback(
            event, partial(event_callback, event)
        )


class AbodeDevice(Entity):
    """Representation of an Abode device."""

    def __init__(self, data, device):
        """Initialize a sensor for Abode device."""
        self._data = data
        self._device = device

    async def async_added_to_hass(self):
        """Subscribe Abode events."""
        self.hass.async_add_job(
            self._data.abode.events.add_device_callback,
            self._device.device_id,
            self._update_callback,
        )

    @property
    def should_poll(self):
        """Return the polling state."""
        return self._data.polling

    def update(self):
        """Update automation state."""
        self._device.refresh()

    @property
    def name(self):
        """Return the name of the sensor."""
        return self._device.name

    @property
    def device_state_attributes(self):
        """Return the state attributes."""
        return {
            ATTR_ATTRIBUTION: ATTRIBUTION,
            "device_id": self._device.device_id,
            "battery_low": self._device.battery_low,
            "no_response": self._device.no_response,
            "device_type": self._device.type,
        }

    def _update_callback(self, device):
        """Update the device state."""
        self.schedule_update_ha_state()


class AbodeAutomation(Entity):
    """Representation of an Abode automation."""

    def __init__(self, data, automation, event=None):
        """Initialize for Abode automation."""
        self._data = data
        self._automation = automation
        self._event = event

    async def async_added_to_hass(self):
        """Subscribe Abode events."""
        if self._event:
            self.hass.async_add_job(
                self._data.abode.events.add_event_callback,
                self._event,
                self._update_callback,
            )

    @property
    def should_poll(self):
        """Return the polling state."""
        return self._data.polling

    def update(self):
        """Update automation state."""
        self._automation.refresh()

    @property
    def name(self):
        """Return the name of the sensor."""
        return self._automation.name

    @property
    def device_state_attributes(self):
        """Return the state attributes."""
        return {
            ATTR_ATTRIBUTION: ATTRIBUTION,
            "automation_id": self._automation.automation_id,
            "type": self._automation.type,
            "sub_type": self._automation.sub_type,
        }

    def _update_callback(self, device):
        """Update the device state."""
        self._automation.refresh()
        self.schedule_update_ha_state()