import voluptuous as vol
from homeassistant.components.switch import (SwitchDevice, PLATFORM_SCHEMA)
from homeassistant.const import (
    STATE_ON, STATE_OFF, STATE_UNKNOWN, CONF_NAME, CONF_FILENAME)
import homeassistant.helpers.config_validation as cv
import struct
import socket

DOMAIN = 'esp8266_curtains'
DEFAULT_NAME = 'Curtains'
ICON = 'mdi:switch'

PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
    vol.Required('ip'): cv.string,
    vol.Optional('port', default=7788): cv.positive_int
})

def setup_platform(hass, config, add_devices, discovery_info=None):
    add_devices([Esp8266Curtain(config.get('ip'), config.get('port'))])

class Esp8266Curtain(SwitchDevice):
    def __init__(self, ip, port):
        self.ip = ip
        self.port = port
        self._state = False

    @property
    def available(self):
        return True

    @property
    def name(self):
        return "ESP8266 Curtains"

    @property
    def is_on(self):
        return self._state

    @property
    def state_attributes(self):
        return False

    def _send(self, command):
        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        s.settimeout(5)
        s.connect((self.ip, self.port))
        s.send(command.encode())
        s.close()

    def update(self):
        pass

    def turn_on(self):
        if self._state == False:
            self._send("open")
        self._state = True

    def turn_off(self):
        if self._state == True:
            self._send("close")
        self._state = False