#!/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

from gi.repository import Gtk
from gi.repository import GObject

from sugar3.activity import activity
from sugar3.activity.widgets import ActivityToolbarButton
from sugar3.activity.widgets import StopButton
from sugar3.graphics.radiotoolbutton import RadioToolButton
from sugar3.graphics.toolbarbox import ToolbarBox

from widgets import DeviceList
from widgets import EmptyWidgets
from bt import Bluetooth

from gettext import gettext as _

import logging

# Logging
_logger = logging.getLogger('bluetooth-activity')
_logger.setLevel(logging.DEBUG)
logging.basicConfig()


class ActivityBluetooth(activity.Activity):

    def __init__(self, handle):
        activity.Activity.__init__(self, handle)

        self.max_participants = 1

        self.bluetooth = Bluetooth()
        self.bluetooth.connect('device-found', self._device_found)

        # Canvas
        self._notebook = Gtk.Notebook()
        self._notebook.set_show_tabs(False)
        self.set_canvas(self._notebook)

        scroll = Gtk.ScrolledWindow()
        scroll.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)
        self._notebook.append_page(scroll, Gtk.Label())

        self._pdevices = DeviceList()
        self._pdevices.set_devices(self.bluetooth.get_paired_devices())
        scroll.add(self._pdevices)
        scroll.show_all()

        scroll = Gtk.ScrolledWindow()
        scroll.set_policy(Gtk.PolicyType.NEVER, Gtk.PolicyType.AUTOMATIC)

        self._nbdevices = DeviceList()
        scroll.add(self._nbdevices)
        scroll.show_all()

        self.progressbar = Gtk.ProgressBar()

        nbbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
        nbbox.pack_start(scroll, True, True, 0)
        nbbox.pack_start(self.progressbar, False, True, 0)

        self._notebook.append_page(nbbox, Gtk.Label())

        self._ew = EmptyWidgets()
        self._ew.connect('search-again', self._find_devices)

        self._notebook.append_page(self._ew, Gtk.Label())

        # Toolbars
        toolbarbox = ToolbarBox()

        activity_button = ActivityToolbarButton(self)
        toolbarbox.toolbar.insert(activity_button, 0)

        toolbarbox.toolbar.insert(Gtk.SeparatorToolItem(), -1)

        pdevices_btn = RadioToolButton()
        pdevices_btn.set_tooltip(_("Paired devices"))
        pdevices_btn.props.icon_name = 'paired-devices'
        pdevices_btn.connect('clicked', lambda w: self._notebook.set_current_page(0))
        toolbarbox.toolbar.insert(pdevices_btn, -1)

        search_btn = RadioToolButton()
        search_btn.set_tooltip(_("Search devices"))
        search_btn.props.icon_name = 'system-search'
        search_btn.props.group = pdevices_btn
        search_btn.connect('clicked', self._find_devices)
        toolbarbox.toolbar.insert(search_btn, -1)

        separator = Gtk.SeparatorToolItem()
        separator.set_draw(False)
        separator.set_expand(True)
        toolbarbox.toolbar.insert(separator, -1)

        stopbtn = StopButton(self)
        toolbarbox.toolbar.insert(stopbtn, -1)
        
        self._notebook.set_current_page(0)

        self.set_toolbar_box(toolbarbox)
        self.show_all()

    def _find_devices(self, widget):
        self._notebook.set_current_page(1)
        self._times = 0
        GObject.timeout_add(100, self._update_bar)
        self.bluetooth.find_devices()
        self._nbdevices.model.clear()

    def _device_found(self, bluetooth, deviceprops):
        self._nbdevices.add_device(deviceprops)

    def _update_bar(self):
        self._times += 0.1
        self.progressbar.set_fraction(self._times / 20.0)

        if self._times >= 20.0:
            self.bluetooth.stop_search()
            if not self.bluetooth.nearby_devices:
                self._notebook.set_current_page(2)
            return False
        else:
            return True