import os

from gajim.common import app
from gajim.plugins import GajimPlugin
from gajim.plugins.helpers import log_calls
from gajim.common import dbus_support

# Since Gajim 1.1.0 _() has to be imported
try:
    from gajim.common.i18n import _
except ImportError:
    pass

class WicdPlugin(GajimPlugin):
    @log_calls('WicdPlugin')
    def init(self):
        self.description = _('Support for autodetection of network status '
        'for Wicd Network Manager.\nRequires wicd and python-dbus.')
        self.config_dialog = None
        self.test_activatable()

    def test_activatable(self):
        self.available_text = ''
        if os.name == 'nt':
            self.available_text = _('Plugin can\'t be run under Windows.')
            self.activatable = False
            return
        if not dbus_support.supported:
            self.activatable = False
            self.available_text += _('python-dbus is missing! '
                'Install python-dbus.')

    @log_calls('WicdPlugin')
    def activate(self):
        try:
            import dbus
            from gajim.common.dbus_support import system_bus

            self.bus = system_bus.bus()

            if 'org.wicd.daemon' not in self.bus.list_names():
                return
            wicd_object = self.bus.get_object('org.wicd.daemon',
                    '/org/wicd/daemon')
            self.props = dbus.Interface(wicd_object,
                "org.freedesktop.DBus.Properties")
            self.bus.add_signal_receiver(self.state_changed, 'StatusChanged',
                'org.wicd.daemon', 'org.wicd.daemon', '/org/wicd/daemon')
        except dbus.DBusException:
            pass

    @log_calls('WicdPlugin')
    def deactivate(self):
        self.bus.remove_signal_receiver(self.state_changed, 'StatusChanged',
            'org.wicd.daemon', 'org.wicd.daemon','/org/wicd/daemon')

    def state_changed(self, state, info):
        # Connection state constants
        #NOT_CONNECTED = 0
        #CONNECTING = 1
        #WIRELESS = 2
        #WIRED = 3
        #SUSPENDED = 4
        if state == 2 or state == 3:
            for connection in app.connections.values():
                if app.config.get_per('accounts', connection.name,
                'listen_to_network_manager') and connection.time_to_reconnect:
                    connection._reconnect()
        else:
            for connection in app.connections.values():
                if app.config.get_per('accounts', connection.name,
                'listen_to_network_manager') and connection.connected > 1:
                    connection._disconnectedReconnCB()