"""
    This file is part of SleekXMPP.

    SleekXMPP is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    SleekXMPP is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with SleekXMPP; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
"""

import logging
import sleekxmpp.clientxmpp
from optparse import OptionParser
from xml.etree import cElementTree as ET
import os
import time
import sys
import queue


class testps(sleekxmpp.clientxmpp.ClientXMPP):
	def __init__(self, jid, password, ssl=False, plugin_config = {}, plugin_whitelist=[], nodenum=0, pshost=None):
		sleekxmpp.clientxmpp.ClientXMPP.__init__(self, jid, password, ssl, plugin_config, plugin_whitelist)
		self.registerPlugin('xep_0004')
		self.registerPlugin('xep_0030')
		self.registerPlugin('xep_0060')
		self.registerPlugin('xep_0092')
		self.add_handler("<message xmlns='jabber:client'><event xmlns='http://jabber.org/protocol/pubsub#event' /></message>", self.pubsubEventHandler, threaded=True)
		self.add_event_handler("session_start", self.start, threaded=True)
		self.add_handler("<iq type='error' />", self.handleError)
		self.events = queue.Queue()
		self.default_config = None
		self.ps = self.plugin['xep_0060']
		self.node = "pstestnode_%s"
		self.pshost = pshost
		if pshost is None:
			self.pshost = self.server
		self.nodenum = int(nodenum)
		self.leafnode = self.nodenum + 1
		self.collectnode = self.nodenum + 2
		self.lasterror = ''
		self.sprintchars = 0
		self.defaultconfig = None
		self.tests = ['test_defaultConfig', 'test_createDefaultNode', 'test_getNodes', 'test_deleteNode', 'test_createWithConfig', 'test_reconfigureNode', 'test_subscribeToNode', 'test_addItem', 'test_updateItem', 'test_deleteItem', 'test_unsubscribeNode', 'test_createCollection', 'test_subscribeCollection', 'test_addNodeCollection', 'test_deleteNodeCollection', 'test_addCollectionNode', 'test_deleteCollectionNode', 'test_unsubscribeNodeCollection', 'test_deleteCollection']
		self.passed = 0
		self.width = 120
	
	def start(self, event):
		#TODO: make this configurable
		self.getRoster()
		self.sendPresence(ppriority=20)
		self.test_all()
	
	def sprint(self, msg, end=False, color=False):
		length = len(msg)
		if color:
			if color == "red":
				color = "1;31"
			elif color == "green":
				color = "0;32"
			msg = "%s%s%s" % ("\033[%sm" % color, msg, "\033[0m")
		if not end:
			sys.stdout.write(msg)
			self.sprintchars += length
		else:
			self.sprint("%s%s" % ("." * (self.width - self.sprintchars - length), msg))
			print('')
			self.sprintchars = 0
		sys.stdout.flush()

	def pubsubEventHandler(self, xml):
		for item in xml.findall('{http://jabber.org/protocol/pubsub#event}event/{http://jabber.org/protocol/pubsub#event}items/{http://jabber.org/protocol/pubsub#event}item'):
			self.events.put(item.get('id', '__unknown__'))
		for item in xml.findall('{http://jabber.org/protocol/pubsub#event}event/{http://jabber.org/protocol/pubsub#event}items/{http://jabber.org/protocol/pubsub#event}retract'):
			self.events.put(item.get('id', '__unknown__'))
		for item in xml.findall('{http://jabber.org/protocol/pubsub#event}event/{http://jabber.org/protocol/pubsub#event}collection/{http://jabber.org/protocol/pubsub#event}disassociate'):
			self.events.put(item.get('node', '__unknown__'))
		for item in xml.findall('{http://jabber.org/protocol/pubsub#event}event/{http://jabber.org/protocol/pubsub#event}collection/{http://jabber.org/protocol/pubsub#event}associate'):
			self.events.put(item.get('node', '__unknown__'))
	
	def handleError(self, xml):
		error = xml.find('{jabber:client}error')
		self.lasterror =  error.getchildren()[0].tag.split('}')[-1]
		
	def test_all(self):
		print("Running Publish-Subscribe Tests")
		version = self.plugin['xep_0092'].getVersion(self.pshost)
		if version:
			print("%s %s on %s" % (version.get('name', 'Unknown Server'), version.get('version', 'v?'), version.get('os', 'Unknown OS')))
		print("=" * self.width)
		for test in self.tests:
			testfunc = getattr(self, test)
			self.sprint("%s" % testfunc.__doc__)
			if testfunc():
				self.sprint("Passed", True, "green")
				self.passed += 1
			else:
				if not self.lasterror:
					self.lasterror = 'No response'
				self.sprint("Failed (%s)" % self.lasterror, True, "red")
				self.lasterror = ''
		print("=" * self.width)
		self.sprint("Cleaning up...")
		#self.ps.deleteNode(self.pshost, self.node % self.nodenum)
		self.ps.deleteNode(self.pshost, self.node % self.leafnode)
		#self.ps.deleteNode(self.pshost, self.node % self.collectnode)
		self.sprint("Done", True, "green")
		self.disconnect()
		self.sprint("%s" % self.passed, False, "green")
		self.sprint("/%s Passed -- " % len(self.tests))
		if len(self.tests) - self.passed:
			self.sprint("%s" % (len(self.tests) - self.passed), False, "red")
		else:
			self.sprint("%s" % (len(self.tests) - self.passed), False, "green")
		self.sprint(" Failed Tests")
		print
		#print "%s/%s Passed -- %s Failed Tests" % (self.passed, len(self.tests), len(self.tests) - self.passed)
	
	def test_defaultConfig(self):
		"Retreiving default configuration"
		result = self.ps.getNodeConfig(self.pshost)
		if result is False or result is None:
			return False
		else:
			self.defaultconfig = result
			try:
				self.defaultconfig.field['pubsub#access_model'].setValue('open')
			except KeyError:
				pass
			try:
				self.defaultconfig.field['pubsub#notify_retract'].setValue(True)
			except KeyError:
				pass
			return True
	
	def test_createDefaultNode(self):
		"Creating default node"
		return self.ps.create_node(self.pshost, self.node % self.nodenum)
	
	def test_getNodes(self):
		"Getting list of nodes"
		self.ps.getNodes(self.pshost)
		self.ps.getItems(self.pshost, 'blog')
		return True
	
	def test_deleteNode(self):
		"Deleting node"
		return self.ps.deleteNode(self.pshost, self.node % self.nodenum)
	
	def test_createWithConfig(self):
		"Creating node with config"
		if self.defaultconfig is None:
			self.lasterror = "No Avail Config"
			return False
		return self.ps.create_node(self.pshost, self.node % self.leafnode, self.defaultconfig)
	
	def test_reconfigureNode(self):
		"Retrieving node config and reconfiguring"
		nconfig = self.ps.getNodeConfig(self.pshost, self.node % self.leafnode)
		if nconfig == False:
			return False
		return self.ps.setNodeConfig(self.pshost, self.node % self.leafnode, nconfig)
		
	def test_subscribeToNode(self):
		"Subscribing to node"
		return self.ps.subscribe(self.pshost, self.node % self.leafnode)
	
	def test_addItem(self):
		"Adding item, waiting for notification"
		item = ET.Element('test')
		result = self.ps.setItem(self.pshost, self.node % self.leafnode, {'test_node1': item})
		if result == False:
			return False
		try:
			event = self.events.get(True, 10)
		except queue.Empty:
			return False
		if event == 'test_node1':
			return True
		return False
	
	def test_updateItem(self):
		"Updating item, waiting for notification"
		item = ET.Element('test')
		item.attrib['crap'] = 'yup, right here'
		result = self.ps.setItem(self.pshost, self.node % self.leafnode, {'test_node1': item})
		if result == False:
			return False
		try:
			event = self.events.get(True, 10)
		except queue.Empty:
			return False
		if event == 'test_node1':
			return True
		return False

	def test_deleteItem(self):
		"Deleting item, waiting for notification"
		result = self.ps.deleteItem(self.pshost, self.node % self.leafnode, 'test_node1')
		if result == False:
			return False
		try:
			event = self.events.get(True, 10)
		except queue.Empty:
			self.lasterror = "No Notification"
			return False
		if event == 'test_node1':
			return True
		return False
	
	def test_unsubscribeNode(self):
		"Unsubscribing from node"
		return self.ps.unsubscribe(self.pshost, self.node % self.leafnode)

	def test_createCollection(self):
		"Creating collection node"
		return self.ps.create_node(self.pshost, self.node % self.collectnode, self.defaultconfig, True)
	
	def test_subscribeCollection(self):
		"Subscribing to collection node"
		return self.ps.subscribe(self.pshost, self.node % self.collectnode)
	
	def test_addNodeCollection(self):
		"Assigning node to collection, waiting for notification"
		config = self.ps.getNodeConfig(self.pshost, self.node % self.leafnode)
		if not config or config is None:
			self.lasterror = "Config Error"
			return False
		try:
			config.field['pubsub#collection'].setValue(self.node % self.collectnode)
		except KeyError:
			self.sprint("...Missing Field...", False, "red")
			config.addField('pubsub#collection', value=self.node % self.collectnode)
		if not self.ps.setNodeConfig(self.pshost, self.node % self.leafnode, config):
			return False
		try:
			event = self.events.get(True, 10)
		except queue.Empty:
			self.lasterror = "No Notification"
			return False
		if event == self.node % self.leafnode:
			return True
		return False
	
	def test_deleteNodeCollection(self):
		"Removing node assignment to collection, waiting for notification"
		config = self.ps.getNodeConfig(self.pshost, self.node % self.leafnode)
		if not config or config is None:
			self.lasterror = "Config Error"
			return False
		try:
			config.field['pubsub#collection'].delValue(self.node % self.collectnode)
		except KeyError:
			self.sprint("...Missing Field...", False, "red")
			config.addField('pubsub#collection', value='')
		if not self.ps.setNodeConfig(self.pshost, self.node % self.leafnode, config):
			return False
		try:
			event = self.events.get(True, 10)
		except queue.Empty:
			self.lasterror = "No Notification"
			return False
		if event == self.node % self.leafnode:
			return True
		return False

	def test_addCollectionNode(self):
		"Assigning node from collection, waiting for notification"
		config = self.ps.getNodeConfig(self.pshost, self.node % self.collectnode)
		if not config or config is None:
			self.lasterror = "Config Error"
			return False
		try:
			config.field['pubsub#children'].setValue(self.node % self.leafnode)
		except KeyError:
			self.sprint("...Missing Field...", False, "red")
			config.addField('pubsub#children', value=self.node % self.leafnode)
		if not self.ps.setNodeConfig(self.pshost, self.node % self.collectnode, config):
			return False
		try:
			event = self.events.get(True, 10)
		except queue.Empty:
			self.lasterror = "No Notification"
			return False
		if event == self.node % self.leafnode:
			return True
		return False

	def test_deleteCollectionNode(self):
		"Removing node from collection, waiting for notification"
		config = self.ps.getNodeConfig(self.pshost, self.node % self.collectnode)
		if not config or config is None:
			self.lasterror = "Config Error"
			return False
		try:
			config.field['pubsub#children'].delValue(self.node % self.leafnode)
		except KeyError:
			self.sprint("...Missing Field...", False, "red")
			config.addField('pubsub#children', value='')
		if not self.ps.setNodeConfig(self.pshost, self.node % self.collectnode, config):
			return False
		try:
			event = self.events.get(True, 10)
		except queue.Empty:
			self.lasterror = "No Notification"
			return False
		if event == self.node % self.leafnode:
			return True
		return False
	
	def test_unsubscribeNodeCollection(self):
		"Unsubscribing from collection"
		return self.ps.unsubscribe(self.pshost, self.node % self.collectnode)
	
	def test_deleteCollection(self):
		"Deleting collection"
		return self.ps.deleteNode(self.pshost, self.node % self.collectnode)

if __name__ == '__main__':
	#parse command line arguements
	optp = OptionParser()
	optp.add_option('-q','--quiet', help='set logging to ERROR', action='store_const', dest='loglevel', const=logging.ERROR, default=logging.INFO)
	optp.add_option('-d','--debug', help='set logging to DEBUG', action='store_const', dest='loglevel', const=logging.DEBUG, default=logging.INFO)
	optp.add_option('-v','--verbose', help='set logging to COMM', action='store_const', dest='loglevel', const=5, default=logging.INFO)
	optp.add_option("-c","--config", dest="configfile", default="config.xml", help="set config file to use")
	optp.add_option("-n","--nodenum", dest="nodenum", default="1", help="set node number to use")
	optp.add_option("-p","--pubsub", dest="pubsub", default="1", help="set pubsub host to use")
	opts,args = optp.parse_args()
	
	logging.basicConfig(level=opts.loglevel, format='%(levelname)-8s %(message)s')

	#load xml config
	logging.info("Loading config file: %s" % opts.configfile)
	config = ET.parse(os.path.expanduser(opts.configfile)).find('auth')
	
	#init
	logging.info("Logging in as %s" % config.attrib['jid'])
	
	
	plugin_config = {}
	plugin_config['xep_0092'] = {'name': 'SleekXMPP Example', 'version': '0.1-dev'}
	plugin_config['xep_0199'] = {'keepalive': True, 'timeout': 30, 'frequency': 300}
	
	con = testps(config.attrib['jid'], config.attrib['pass'], plugin_config=plugin_config, plugin_whitelist=[], nodenum=opts.nodenum, pshost=opts.pubsub)
	if not config.get('server', None):
		# we don't know the server, but the lib can probably figure it out
		con.connect() 
	else:
		con.connect((config.attrib['server'], 5222))
	con.process()
	print("")