#!/usr/bin/env python3
# Contains examples of using realm to query stations and get specific information from them
import sys
import os
import importlib
import argparse

if sys.version_info[0] != 3:
    print("This script requires Python 3")
    exit(1)

sys.path.append(os.path.join(os.path.abspath(__file__ + "../../../")))

lfcli_base = importlib.import_module("py-json.LANforge.lfcli_base")
LFCliBase = lfcli_base.LFCliBase
realm = importlib.import_module("py-json.realm")
Realm = realm.Realm


class StationsConnected(LFCliBase):
    def __init__(self, lfjson_host, lfjson_port):
        super().__init__(_lfjson_host=lfjson_host, _lfjson_port=lfjson_port)
        self.localrealm = Realm(lfclient_host=lfjson_host, lfclient_port=lfjson_port)
        self.check_connect()
        fields = "_links,port,alias,ip,ap,port+type"
        self.station_results = self.localrealm.find_ports_like("sta*", fields, debug_=False)

    def run(self):
        self.clear_test_results()
        # pprint(self.station_results)
        if not self.station_results or (len(self.station_results) < 1):
            self.get_failed_result_list()
            return False
        return True

    def num_associated(self, bssid):
        counter = 0
        # print("there are %d results" % len(self.station_results))
        for eid, record in self.station_results.items():
            # print("-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ")
            # pprint(eid)
            # pprint(record)
            if record["ap"] == bssid:
                counter += 1
            # print("-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- ")
        return counter


def main():
    parser = argparse.ArgumentParser(
        prog='stations_connected.py',
        formatter_class=argparse.RawTextHelpFormatter,
        epilog='''\
        stations_connected.py

            ''',
        description='''\
Contains examples of using realm to query stations and get specific information from them
        ''')
    # if args are added  args=parser.parse_args() swap out next line
    parser.parse_args()

    qstationsx = StationsConnected("localhost", 8080)
    bssid = "00:0E:8E:7B:DF:9B"
    if qstationsx.run():
        associated_stations = qstationsx.num_associated(bssid)
        print("Number of stations associated to %s: %s" % (bssid, associated_stations))
    else:
        print("problem querying for stations for %s" % bssid)


if __name__ == "__main__":
    main()