""" device tracker for Georide object """

import logging

from homeassistant.core import callback
from homeassistant.const import ATTR_LATITUDE, ATTR_LONGITUDE
from homeassistant.components.device_tracker.const import ENTITY_ID_FORMAT, SOURCE_TYPE_GPS
from homeassistant.helpers.restore_state import RestoreEntity
from homeassistant.components.device_tracker.config_entry import TrackerEntity

import georideapilib.api as GeorideApi

from .const import (
    CONF_TOKEN
)

from . import DOMAIN as GEORIDE_DOMAIN


_LOGGER = logging.getLogger(__name__)

async def async_setup_entry(hass, config_entry, async_add_entities): # pylint: disable=W0613
    """Set up Georide tracker based off an entry."""

    georide_context = hass.data[GEORIDE_DOMAIN]["context"]
        
    if georide_context.token is None:
        return False

    _LOGGER.info('Current georide token: %s', georide_context.token)

    """TODO: add here token expiration control"""
        
    trackers = GeorideApi.get_trackers(georide_context.token)

    
    tracker_entities = []
    for tracker in trackers:
        entity = GeorideTrackerEntity(tracker.tracker_id, tracker.tracker_name, data=tracker)
        hass.data[GEORIDE_DOMAIN]["devices"][tracker.tracker_id] = entity
        tracker_entities.append(entity)

    async_add_entities(tracker_entities)

    return True


class GeorideTrackerEntity(TrackerEntity, RestoreEntity):
    """Represent a tracked device."""

    def __init__(self, tracker_id, name, data=None):
        """Set up Georide entity."""
        self._tracker_id = tracker_id
        self._name = name
        self._data = data or {}
        self.entity_id = ENTITY_ID_FORMAT.format(tracker_id)

    @property
    def unique_id(self):
        """Return the unique ID."""
        return self._tracker_id

    @property
    def name(self):
        return self._name
    
    @property
    def latitude(self):
        """Return latitude value of the device."""
        if self._data.latitude:
            return self._data.latitude

        return None

    @property
    def longitude(self):
        """Return longitude value of the device."""
        if self._data.longitude:
            return self._data.longitude

        return None

    @property
    def source_type(self):
        """Return the source type, eg gps or router, of the device."""
        return SOURCE_TYPE_GPS

    @property
    def device_info(self):
        """Return the device info."""
        return {"name": self.name, "identifiers": {(GEORIDE_DOMAIN, self._tracker_id)}}

    async def async_added_to_hass(self):
        """Call when entity about to be added to Home Assistant."""
        await super().async_added_to_hass()

        # Don't restore if we got set up with data.
        if self._data:
            return

        state = await self.async_get_last_state()

        if state is None:
            return

        attr = state.attributes
        self._data = {
            "host_name": state.name,
            "gps": (attr.get(ATTR_LATITUDE), attr.get(ATTR_LONGITUDE)),
        }

    @callback
    def update_data(self, data):
        """Mark the device as seen."""
        self._data = data
        self.async_write_ha_state()