#!/usr/bin/env python

from sys import argv, exit, stderr
import os
import os.path
import xml.etree.ElementTree

class AccessPoint:
	def __init__(self):
		self.essid = None
		self.encryption = set()
		self.packets = 0
		self.beaconrate = []
		self.bssid = set()
		self.strength = []
		self.manufacturer = set()
		self.channel = set()
	def __cmp__(self, other):
		self = sum(self.strength) / len(self.strength)
		other = sum(other.strength) / len(other.strength)
		if self > other:
			return 1
		elif self < other:
			return -1
		else:
			return 0
	def __str__(self):
		out = ""
		if self.essid is None:
			out += "<cloaked>\n"
		else:
			out += self.essid + "\n"
		out += "Encryption: %s\n" % ", ".join(self.encryption)
		out += "Manufacturer: %s\n" % ", ".join(self.manufacturer)
		out += "BSSID: %s\n" % ", ".join(self.bssid)
		out += "Channel: %s\n" % ", ".join(self.channel)
		out += "Packets: %d" % self.packets
		if len(self.beaconrate) > 0:
			out += "\nBeacon Rate: %d" % (sum(self.beaconrate) / len(self.beaconrate))
		if len(self.strength) > 0:
			out += "\nStrength: %d" % (sum(self.strength) / len(self.strength))
			if len(self.strength) > 1:
				out += " max: %d" % max(self.strength)
		return out


def processDir(directory):
	for entry in os.listdir(directory):
		entry = os.path.join(directory, entry)
		if os.path.isdir(entry):
			processDir(entry)
		elif os.path.splitext(entry)[1] == ".netxml":
			processFile(entry)

accessPoints = {}

def processFile(xmlfile):
	root = xml.etree.ElementTree.parse(xmlfile).getroot()
	for network in root.findall("wireless-network"):
		ap = AccessPoint()
		essid = network.find("SSID/essid")
		if essid is None:
			continue
		if essid.get("cloaked", "false") == "true":
			ap.essid = None
		else:
			ap.essid = essid.text
		if ap.essid is not None and ap.essid in accessPoints:
			ap = accessPoints[ap.essid]
		for encryption in network.findall("SSID/encryption"):
			ap.encryption.add(encryption.text)
		packets = network.findtext("SSID/packets")
		if packets is not None:
			ap.packets += int(packets)
		strength = network.findtext("snr-info/max_signal_dbm")
		if strength is not None:
			ap.strength.append(int(strength))
		beaconrate = network.findtext("SSID/beaconrate")
		if beaconrate is not None:
			ap.beaconrate.append(int(beaconrate))
		ap.bssid.add(network.findtext("BSSID"))
		ap.manufacturer.add(network.findtext("manuf"))
		ap.channel.add(network.findtext("channel"))
		accessPoints[ap.essid] = ap

if len(argv) < 2:
	print >> stderr, "Usage: %s DIRECTORIES... | FILES..." % argv[0]
	exit(-1)
for arg in argv[1:]:
	if not os.path.exists(arg):
		print >> stderr, "%s does not exist." % arg
	elif os.path.isfile(arg):
		processFile(arg)
	elif os.path.isdir(arg):
		processDir(arg)

accessPoints = sorted(accessPoints.values(), reverse=True)
for ap in accessPoints:
	print ap
	print