/**

 * XMPP - libpurple transport

 *

 * Copyright (C) 2012, Jan Kaluza <hanzz@soc.pidgin.im>

 *

 * This program 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.

 *

 * This program 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 this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA

 */

#include "transport/adhocmanager.h"

#include "transport/adhoccommandfactory.h"

#include "transport/discoitemsresponder.h"

#include "transport/conversation.h"

#include "transport/usermanager.h"

#include "transport/buddy.h"

#include "transport/factory.h"

#include "transport/user.h"

#include "transport/logging.h"

namespace Transport {

DEFINE_LOGGER(logger, "AdHocManager");

AdHocManager::AdHocManager(Component *component, DiscoItemsResponder *discoItemsResponder) : Swift::Responder<Swift::Command>(component->getIQRouter()){

	m_component = component;

	m_discoItemsResponder = discoItemsResponder;

	m_collectTimer = m_component->getNetworkFactories()->getTimerFactory()->createTimer(20);

	m_collectTimer->onTick.connect(boost::bind(&AdHocManager::removeOldSessions, this));

	m_collectTimer->start();

}

AdHocManager::~AdHocManager() {

	m_collectTimer->stop();

	stop();

}

void AdHocManager::start() {

	Swift::Responder<Swift::Command>::start();

}

void AdHocManager::stop() {

	Swift::Responder<Swift::Command>::stop();

	for (SessionsMap::iterator it = m_sessions.begin(); it != m_sessions.end(); it++) {

		std::vector<std::string> candidates;

		for (CommandsMap::iterator ct = it->second.begin(); ct != it->second.end(); ct++) {

			delete ct->second;

		}

	}

	m_sessions.clear();

}

void AdHocManager::addAdHocCommand(AdHocCommandFactory *factory) {

	if (m_factories.find(factory->getNode()) != m_factories.end()) {

		LOG4CXX_ERROR(logger, "Command with node " << factory->getNode() << " is already registered. Ignoring this attempt.");

		return;

	}

	m_factories[factory->getNode()] = factory;

	m_discoItemsResponder->addAdHocCommand(factory->getNode(), factory->getName());

}

void AdHocManager::removeOldSessions() {

	unsigned long removedCommands = 0;

	time_t now = time(NULL);

	std::vector<std::string> toRemove;

	for (SessionsMap::iterator it = m_sessions.begin(); it != m_sessions.end(); it++) {

		std::vector<std::string> candidates;

		for (CommandsMap::iterator ct = it->second.begin(); ct != it->second.end(); ct++) {

			if (now - ct->second->getLastActivity() > 15*60) {

				candidates.push_back(it->first);

				delete ct->second;

				removedCommands++;

			}

		}

		BOOST_FOREACH(std::string &key, candidates) {

			it->second.erase(key);

		}

		if (it->second.empty()) {

			toRemove.push_back(it->first);

		}

	}

	BOOST_FOREACH(std::string &key, toRemove) {

		m_sessions.erase(key);

	}

	if (removedCommands > 0) {

		LOG4CXX_INFO(logger, "Removed " << removedCommands << " old commands sessions.");

	}

}

bool AdHocManager::handleGetRequest(const Swift::JID& from, const Swift::JID& to, const std::string& id, boost::shared_ptr<Swift::Command> payload) {

	return false;

}

bool AdHocManager::handleSetRequest(const Swift::JID& from, const Swift::JID& to, const std::string& id, boost::shared_ptr<Swift::Command> payload) {

	AdHocCommand *command = NULL;

	// Try to find AdHocCommand according to 'from' and session_id

			command = m_sessions[from][payload->getSessionID()];

		}

	// Check if we can create command with this node

	else if (m_factories.find(payload->getNode()) != m_factories.end()) {

		command = m_factories[payload->getNode()]->createAdHocCommand(m_component, from, to);

		m_sessions[from][command->getId()] = command;

		LOG4CXX_INFO(logger, from.toString() << ": Started new AdHoc command session with node " << payload->getNode());

	}

	else {

		LOG4CXX_INFO(logger, from.toString() << ": Unknown node " << payload->getNode() << ". Can't start AdHoc command session.");

		sendError(from, id, Swift::ErrorPayload::BadRequest, Swift::ErrorPayload::Modify);

		return true;

	}

	if (!command) {

		LOG4CXX_ERROR(logger, from.toString() << ": createAdHocCommand for node " << payload->getNode() << " returned NULL pointer");

		sendError(from, id, Swift::ErrorPayload::BadRequest, Swift::ErrorPayload::Modify);

		return true;

	}

	boost::shared_ptr<Swift::Command> response = command->handleRequest(payload);

	if (!response) {

		LOG4CXX_ERROR(logger, from.toString() << ": handleRequest for node " << payload->getNode() << " returned NULL pointer");

		sendError(from, id, Swift::ErrorPayload::BadRequest, Swift::ErrorPayload::Modify);

		return true;

	}

	response->setSessionID(command->getId());

	sendResponse(from, id, response);

	command->refreshLastActivity();

	// Command completed, so we can remove it now

		m_sessions[from].erase(command->getId());

		if (m_sessions[from].empty()) {

			m_sessions.erase(from);

		}

		delete command;

	}

	return true;

}

}

/**

 * XMPP - libpurple transport

 *

 * Copyright (C) 2012, Jan Kaluza <hanzz@soc.pidgin.im>

 *

 * This program 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.

 *

 * This program 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 this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA

 */

#include "transport/settingsadhoccommand.h"

#include "transport/conversation.h"

#include "transport/usermanager.h"

#include "transport/buddy.h"

#include "transport/factory.h"

#include "transport/user.h"

#include "transport/logging.h"

namespace Transport {

DEFINE_LOGGER(logger, "SettingsAdHocCommand");

SettingsAdHocCommand::SettingsAdHocCommand(Component *component, const Swift::JID &initiator, const Swift::JID &to) : AdHocCommand(component, initiator, to) {

	m_state = Init;

}

SettingsAdHocCommand::~SettingsAdHocCommand() {

}

boost::shared_ptr<Swift::Command> SettingsAdHocCommand::getForm() {

	boost::shared_ptr<Swift::Command> response(new Swift::Command("settings", m_id, Swift::Command::Executing));

	boost::shared_ptr<Swift::Form> form(new Swift::Form());

	BOOST_FOREACH(Swift::FormField::ref field, m_fields) {

		form->addField(field);

	}

	response->setForm(form);

	return response;

}

boost::shared_ptr<Swift::Command> SettingsAdHocCommand::handleResponse(boost::shared_ptr<Swift::Command> payload) {

	return response;

}

boost::shared_ptr<Swift::Command> SettingsAdHocCommand::handleRequest(boost::shared_ptr<Swift::Command> payload) {

	boost::shared_ptr<Swift::Command> response;

	switch (m_state) {

		case Init:

			response = getForm();

			m_state = WaitingForResponse;

			break;

		case WaitingForResponse:

			response = handleResponse(payload);

			break;

		default:

			break;

	}

	return response;

}

}

#include "transport/userregistry.h"

#include "transport/userregistration.h"

#include "transport/config.h"

#include "transport/storagebackend.h"

#include "transport/user.h"

#include "transport/transport.h"

#include "transport/conversation.h"

#include "transport/usermanager.h"

#include "transport/localbuddy.h"

#include "transport/settingsadhoccommand.h"

#include "transport/adhocmanager.h"

#include <cppunit/TestFixture.h>

#include <cppunit/extensions/HelperMacros.h>

#include <Swiften/Swiften.h>

#include <Swiften/EventLoop/DummyEventLoop.h>

#include <Swiften/Server/Server.h>

#include <Swiften/Network/DummyNetworkFactories.h>

#include <Swiften/Network/DummyConnectionServer.h>

#include "Swiften/Server/ServerStanzaChannel.h"

#include "Swiften/Server/ServerFromClientSession.h"

#include "Swiften/Parser/PayloadParsers/FullPayloadParserFactoryCollection.h"

#include "basictest.h"

using namespace Transport;

class SettingsAdHocCommandTest : public CPPUNIT_NS :: TestFixture, public BasicTest {

	CPPUNIT_TEST_SUITE(SettingsAdHocCommandTest);

	CPPUNIT_TEST(getItems);

	CPPUNIT_TEST(execute);

	CPPUNIT_TEST_SUITE_END();

	public:

		AdHocManager *adhoc;

		SettingsAdHocCommandFactory *settings;

		void setUp (void) {

			setMeUp();

			adhoc = new AdHocManager(component, itemsResponder);

			adhoc->start();

			settings = new SettingsAdHocCommandFactory();

			adhoc->addAdHocCommand(settings);

			received.clear();

		}

		void tearDown (void) {

			received.clear();

			delete adhoc;

			delete settings;

			tearMeDown();

		}

		void getItems() {

			boost::shared_ptr<Swift::DiscoItems> payload(new Swift::DiscoItems());

			payload->setNode("http://jabber.org/protocol/commands");

			boost::shared_ptr<Swift::IQ> iq = Swift::IQ::createRequest(Swift::IQ::Get, Swift::JID("localhost"), "id", payload);

			iq->setFrom("user@localhost");

			injectIQ(iq);

			loop->processEvents();

			CPPUNIT_ASSERT_EQUAL(1, (int) received.size());

			CPPUNIT_ASSERT(dynamic_cast<Swift::IQ *>(getStanza(received[0])));

			CPPUNIT_ASSERT_EQUAL(Swift::IQ::Result, dynamic_cast<Swift::IQ *>(getStanza(received[0]))->getType());

			CPPUNIT_ASSERT(getStanza(received[0])->getPayload<Swift::DiscoItems>());

			CPPUNIT_ASSERT_EQUAL(std::string("settings"), getStanza(received[0])->getPayload<Swift::DiscoItems>()->getItems()[0].getNode());

		}

		void execute() {

			boost::shared_ptr<Swift::Command> payload(new Swift::Command("settings"));

			boost::shared_ptr<Swift::IQ> iq = Swift::IQ::createRequest(Swift::IQ::Set, Swift::JID("localhost"), "id", payload);

			iq->setFrom("user@localhost");

			injectIQ(iq);

			loop->processEvents();

		}

};

CPPUNIT_TEST_SUITE_REGISTRATION (SettingsAdHocCommandTest);