"""Support for ASUSWRT devices."""
import logging

import voluptuous as vol

from homeassistant.const import (
    CONF_HOST, CONF_PASSWORD, CONF_USERNAME, CONF_PORT, CONF_MODE,
    CONF_PROTOCOL)
from homeassistant.helpers import config_validation as cv
from homeassistant.helpers.discovery import async_load_platform

_LOGGER = logging.getLogger(__name__)

CONF_PUB_KEY = 'pub_key'
CONF_REQUIRE_IP = 'require_ip'
CONF_SENSORS = 'sensors'
CONF_SSH_KEY = 'ssh_key'

DOMAIN = "asuswrt"
DATA_ASUSWRT = DOMAIN
DEFAULT_SSH_PORT = 22

SECRET_GROUP = 'Password or SSH Key'
SENSOR_TYPES = ['upload_speed', 'download_speed', 'download', 'upload']

CONFIG_SCHEMA = vol.Schema({
    DOMAIN: vol.Schema({
        vol.Required(CONF_HOST): cv.string,
        vol.Required(CONF_USERNAME): cv.string,
        vol.Optional(CONF_PROTOCOL, default='ssh'): vol.In(['ssh', 'telnet']),
        vol.Optional(CONF_MODE, default='router'): vol.In(['router', 'ap']),
        vol.Optional(CONF_PORT, default=DEFAULT_SSH_PORT): cv.port,
        vol.Optional(CONF_REQUIRE_IP, default=True): cv.boolean,
        vol.Exclusive(CONF_PASSWORD, SECRET_GROUP): cv.string,
        vol.Exclusive(CONF_SSH_KEY, SECRET_GROUP): cv.isfile,
        vol.Exclusive(CONF_PUB_KEY, SECRET_GROUP): cv.isfile,
        vol.Optional(CONF_SENSORS): vol.All(
            cv.ensure_list, [vol.In(SENSOR_TYPES)]),
    }),
}, extra=vol.ALLOW_EXTRA)


async def async_setup(hass, config):
    """Set up the asuswrt component."""
    from aioasuswrt.asuswrt import AsusWrt
    conf = config[DOMAIN]

    api = AsusWrt(conf[CONF_HOST], conf.get(CONF_PORT),
                  conf.get(CONF_PROTOCOL) == 'telnet',
                  conf[CONF_USERNAME],
                  conf.get(CONF_PASSWORD, ''),
                  conf.get('ssh_key', conf.get('pub_key', '')),
                  conf.get(CONF_MODE), conf.get(CONF_REQUIRE_IP))

    await api.connection.async_connect()
    if not api.is_connected:
        _LOGGER.error("Unable to setup asuswrt component")
        return False

    hass.data[DATA_ASUSWRT] = api

    hass.async_create_task(async_load_platform(
        hass, 'sensor', DOMAIN, config[DOMAIN].get(CONF_SENSORS), config))
    hass.async_create_task(async_load_platform(
        hass, 'device_tracker', DOMAIN, {}, config))

    return True