#!/usr/bin/env python
# -*- coding: utf-8 -*-

# Copyright (C) 2013 Agustin Zubiaga <aguz@sugarlabs.org>

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

import bluez

from gi.repository import GObject

SEARCH_TIME = 20  # seconds


class Bluetooth(GObject.GObject):

    __gsignals__ = {
            'device-found': (GObject.SignalFlags.RUN_FIRST, None, [object]),
            'search-finished': (GObject.SignalFlags.RUN_FIRST, None, [])}

    def __init__(self):
        super(Bluetooth, self).__init__()

        manager = bluez.Manager('gobject')
        self._adapter = manager.DefaultAdapter()

        def device_found(address, properties):
            already_found = False
            for i in self.nearby_devices:
                if properties['Address'] == i['Address']:
                    already_found = True

            if not already_found:
                self.nearby_devices.append(properties)
                self.emit('device-found', properties)

        self._adapter.HandleSignal(device_found, 'DeviceFound')

        self.nearby_devices = []
        self._paired_devices = self._adapter.ListDevices()

    def get_paired_devices(self):
        return [i.GetProperties() for i in self._paired_devices]

    def find_devices(self):
        self._adapter.StartDiscovery()
        self.nearby_devices = []

    def stop_search(self):
        self._adapter.StopDiscovery()