"""
Generische Applikationsdaten

"""

import os
from tracker import Tracker

class AppData():

    def __init__(self):
        self.shutdown = False # Globaler Ausschalter
        self.track = Tracker('NONE')
        self.frontend = None

        # Für u.a. Header-Indikatoren
        # TODO
        self.status = {
            'AP': False,    # Accesspoint
            'WIFI': False,  # Wireless Client
            'TCP': False,   # TCP Network
            'N2K': False,   # NMEA2000
            '183': False,   # NMEA0183
            'USB': False,   # USB Datenverbindung
            'GPS': False,   # GPS-Fix und -daten
            'TRK': False    # Tracker
        }

    def setFrontend(self, frontend):
        self.frontend = frontend # Referenz zur GUI

    def refreshStatus(self):
        self.status['AP'] = False

        self.status['TCP'] = False
        self.status['WIFI'] = False
        for intf in os.listdir('/sys/class/net'):
            statefile = os.path.join('/sys/class/net', interface, 'operstate')
            wififile = os.path.join('/sys/class/net', interface, 'wireless')
            if os.path.exists(statefile):
                with open(statefile) as fh:
                    state = f.read().strip()
                if state == 'up':
                    if os.path.exists(wififile):
                        self.status['WIFI'] = True
                    else:
                        self.status['TCP'] = True

        self.status['TRK'] = self.track.is_active()