"""
	SleekXMPP: The Sleek XMPP Library
	Copyright (C) 2007  Nathanael C. Fritz
	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
"""
from xml.etree import cElementTree as ET
from . import base
from .. xmlstream.handler.xmlwaiter import XMLWaiter

class xep_0092(base.base_plugin):
	"""
	XEP-0092 Software Version
	"""
	def plugin_init(self):
		self.description = "Software Version"
		self.xep = "0092"
		self.name = self.config.get('name', 'SleekXMPP')
		self.version = self.config.get('version', '0.1-dev')
		self.xmpp.add_handler("<iq type='get' xmlns='%s'><query xmlns='jabber:iq:version' /></iq>" % self.xmpp.default_ns, self.report_version)
	
	def post_init(self):
		base.base_plugin.post_init(self)
		self.xmpp.plugin['xep_0030'].add_feature('jabber:iq:version')
	
	def report_version(self, xml):
		iq = self.xmpp.makeIqResult(xml.get('id', 'unknown'))
		iq.attrib['to'] = xml.get('from', self.xmpp.domain)
		query = ET.Element('{jabber:iq:version}query')
		name = ET.Element('name')
		name.text = self.name
		version = ET.Element('version')
		version.text = self.version
		query.append(name)
		query.append(version)
		iq.append(query)
		self.xmpp.send(iq)
	
	def getVersion(self, jid):
		iq = self.xmpp.makeIqGet()
		query = ET.Element('{jabber:iq:version}query')
		iq.append(query)
		iq.attrib['to'] = jid
		iq.attrib['from'] = self.xmpp.fulljid
		id = iq.get('id')
		result = iq.send()
		if result and result is not None and result.get('type', 'error') != 'error':
			qry = result.find('{jabber:iq:version}query')
			version = {}
			for child in qry.getchildren():
				version[child.tag.split('}')[-1]] = child.text
			return version
		else:
			return False