# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.

from dbus.mainloop.glib import DBusGMainLoop
import json
import logging
import socket
from threading import Thread
import time
import urllib3

from odoo.addons.hw_drivers.tools import helpers

_logger = logging.getLogger(__name__)

drivers = []
interfaces = {}
iot_devices = {}


class Manager(Thread):
    def send_alldevices(self):
        """
        This method send IoT Box and devices informations to Odoo database
        """
        server = helpers.get_odoo_server_url()
        if server:
            subject = helpers.read_file_first_line('odoo-subject.conf')
            if subject:
                domain = helpers.get_ip().replace('.', '-') + subject.strip('*')
            else:
                domain = helpers.get_ip()
            iot_box = {
                'name': socket.gethostname(),
                'identifier': helpers.get_mac_address(),
                'ip': domain,
                'token': helpers.get_token(),
                'version': helpers.get_version(),
            }
            devices_list = {}
            for device in iot_devices:
                identifier = iot_devices[device].device_identifier
                devices_list[identifier] = {
                    'name': iot_devices[device].device_name,
                    'type': iot_devices[device].device_type,
                    'manufacturer': iot_devices[device].device_manufacturer,
                    'connection': iot_devices[device].device_connection,
                }
            data = {'params': {'iot_box': iot_box, 'devices': devices_list,}}
            # disable certifiacte verification
            urllib3.disable_warnings()
            http = urllib3.PoolManager(cert_reqs='CERT_NONE')
            try:
                http.request(
                    'POST',
                    server + "/iot/setup",
                    body=json.dumps(data).encode('utf8'),
                    headers={
                        'Content-type': 'application/json',
                        'Accept': 'text/plain',
                    },
                )
            except Exception as e:
                _logger.error('Could not reach configured server')
                _logger.error('A error encountered : %s ' % e)
        else:
            _logger.warning('Odoo server not set')

    def run(self):
        """
        Thread that will load interfaces and drivers and contact the odoo server with the updates
        """

        helpers.check_git_branch()
        helpers.check_certificate()

        # We first add the IoT Box to the connected DB because IoT handlers cannot be downloaded if
        # the identifier of the Box is not found in the DB. So add the Box to the DB.
        self.send_alldevices()
        helpers.download_iot_handlers()
        helpers.load_iot_handlers()

        # Start the interfaces
        for interface in interfaces.values():
            i = interface()
            i.daemon = True
            i.start()

        # Check every 3 secondes if the list of connected devices has changed and send the updated
        # list to the connected DB.
        self.previous_iot_devices = []
        while 1:
            if iot_devices != self.previous_iot_devices:
                self.send_alldevices()
                self.previous_iot_devices = iot_devices.copy()
            time.sleep(3)


# Must be started from main thread
DBusGMainLoop(set_as_default=True)

manager = Manager()
manager.daemon = True
manager.start()