#!/usr/bin/python

from __future__ import print_function
from copy import deepcopy
import io
import json
import socket
import subprocess
import time
import StringIO

class AlfredParser:
	alfred_json = 'alfred-json'
	alfred_datatypes = [ ('static', 158), ('dynamic', 159) ]

	def __str__(self):
		return 'AlfredParser \'{0}\' {1}'.format(self.alfred_json, str.join(' ', [ '{1}=>{0}'.format(x[0], x[1]) for x in self.alfred_datatypes ]))

	def sanitycheck(self):
		testdata = None
		try:
			testdata = subprocess.check_output([self.alfred_json, '-z', '-r', str(int(self.alfred_datatypes[0][1]))])
		except Exception as err:
			raise Exception("alfred-json not found or incompatible: " + str(err))

		try:
			check = json.loads(testdata)
		except Exception as err:
			raise Exception("alfred-json does not return valid JSON data: " + str(err))

		return True

	def fetch(self, alfred_dump=None, include_rawdata=False):
		data = { }
		ts = int(time.time())

		alfreddata = { }
		for datatype in self.alfred_datatypes:
			rawdata = subprocess.check_output([self.alfred_json, '-z', '-r', str(int(datatype[1]))])
			newdata = json.loads(rawdata)
			
			for item in newdata:
				if not item in alfreddata:
					alfreddata[item] = { }

				alfreddata[item][datatype[0]] = newdata[item]

		if not alfred_dump is None:
			jsondata = json.dumps(alfreddata, ensure_ascii=False)
			f = io.open(alfred_dump, 'w')
			f.write(jsondata)
			f.close()

		for alfredid in alfreddata:
			alfredinfo = alfreddata[alfredid]

			myid = alfredinfo['static']['node_id'] if 'node_id' in alfredinfo['static'] else alfredid.lower().replace(':', '')

			nodeinfo = { 'hostname': None, 'mac': None, 'software': {}, 'statistics': {} }
			data[myid] = nodeinfo

			nodestatic = alfredinfo['static']
			if 'hostname' in nodestatic: nodeinfo['hostname'] = nodestatic['hostname']
			if 'network' in nodestatic:
				if 'mac' in nodestatic['network']:
					nodeinfo['mac'] = nodestatic['network']['mac']
				if 'mesh_interfaces' in nodestatic['network']:
					nodeinfo['macs'] = [ x for x in nodestatic['network']['mesh_interfaces'] ]
				else:
					nodeinfo['macs'] = []
			if 'software' in nodestatic:
				sw = nodestatic['software']

				nodeinfo['software']['firmware'] = sw['firmware']['release'] if 'firmware' in sw and 'release' in sw['firmware'] else None
				nodeinfo['software']['autoupdater'] = sw['autoupdater']['branch'] if sw['autoupdater']['enabled'] else 'off'

			nodedyn = alfredinfo['dynamic'] if 'dynamic' in alfredinfo else nodestatic['statistics']
			if 'uptime' in nodedyn: nodeinfo['uptime'] = int(float(nodedyn['uptime']))
			if 'gateway' in nodedyn: nodeinfo['gateway'] = nodedyn['gateway']
				
			traffic = nodedyn["traffic"] if "traffic" in nodedyn else None
			if not traffic is None:
				if not 'traffic' in nodeinfo['statistics']: nodeinfo['statistics']['traffic'] = { }
				t = nodeinfo['statistics']['traffic']
				t['rxbytes'] = int(traffic["rx"]["bytes"])
				t['txbytes'] = int(traffic["tx"]["bytes"])

		return data

if __name__ == "__main__":
	a = AlfredParser()
	try:
		a.sanitycheck()
	except Exception  as err:
		print('SANITY-CHECK failed:', str(err))
		import sys
		sys.exit(1)
	data = a.fetch()
	print(json.dumps(data))