/*
 *  xfirelib - C++ Library for the xfire protocol.
 *  Copyright (C) 2006 by
 *          Beat Wolf <asraniel@fryx.ch> / http://gfire.sf.net
 *          Herbert Poul <herbert.poul@gmail.com> / http://goim.us
 *    http://xfirelib.sphene.net
 *
 *  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 St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#include "stdafx.h"
#include "xdebug.h"
#include "client.h"
#include "clientinformationpacket.h"
#include "clientversionpacket.h"
#include "xfirepacket.h"
#include "authpacket.h"
#include "clientloginpacket.h"
#include "buddylistnamespacket.h"
#include "messagepacket.h"
#include "sendmessagepacket.h"
#include "messageackpacket.h"
#include "recvoldversionpacket.h"
#include "sendkeepalivepacket.h"

#include "baseProtocol.h"

#include <iostream>

//#define XFIRE_HOST "cs.xfire.com"
#define XFIRE_HOST "206.220.42.147"
#define XFIRE_PORT 25999

extern BOOL mySleep(int ms, HANDLE evt);
extern HANDLE hConnectionClose;
extern WINBASEAPI
BOOL
WINAPI
ResetEvent(
__in HANDLE hEvent
);

//#define UINT_8 unsigned char
//#define UINT_32 unsigned long

namespace xfirelib
{

	using namespace std;

	Client::Client()
	{
		XDEBUG(("Client constructor...\n"));
		gameResolver = NULL;
		packetReader = new PacketReader(NULL);
		packetReader->addPacketListener(this);
		buddyList = new BuddyList(this);
		socket = NULL;
#ifndef NO_PTHREAD
		sendpingthread.p=NULL;
		readthread.p=NULL;
#endif
	}

	Client::~Client()
	{
		XDEBUG(("Client destructor...\n"));
		delete username;
		delete password;
		delete buddyList;
		delete packetReader;
		delete socket;
	}

	void Client::connect(string username, string password, int useproxy, string proxyip, int proxyport)
	{
		try {
			this->gotBudduyList = FALSE;
			this->username = new string(username);
			this->password = new string(password);
			socket = new Socket(XFIRE_HOST, XFIRE_PORT, useproxy, proxyip, proxyport);

			//bevors losgeht, erstmal die localaddr sichern
			struct sockaddr_in sa;
			int iLen = sizeof(sa);
			getsockname(socket->m_sock, (SOCKADDR*)&sa, &iLen);
			strncpy(this->localaddr, inet_ntoa(sa.sin_addr), sizeof(this->localaddr) - 1);
			this->llocaladdr = inet_addr(this->localaddr);

			packetReader->setSocket(socket);

			ResetEvent(hConnectionClose);

			startThreads();
			//packetReader->startListening();


			socket->send("UA01");
			XDEBUG(("Sent UA01\n"));
			ClientInformationPacket *infoPacket = new ClientInformationPacket();
			this->send(infoPacket);
			delete infoPacket;
			XINFO(("sent ClientInformationPacket\n"));

			ClientVersionPacket *versionPacket = new ClientVersionPacket();
			versionPacket->setProtocolVersion(protocolVersion);
			this->send(versionPacket);
			delete versionPacket;

			XINFO(("sent ClientVersionPacket\n"));
			this->connected = TRUE;
		}
		catch (SocketException ex) {
			XERROR(("Socket Exception ?! %s \n", ex.description().c_str()));
			this->connected = FALSE;
		}
	}
	XFireGameResolver *Client::getGameResolver()
	{
		return gameResolver;
	}
	void Client::startThreads()
	{
		XINFO(("About to start thread\n"));
#ifndef NO_PTHREAD
		void* (*func)(void*) = &xfirelib::Client::startReadThread;
		pthread_create( &readthread, NULL, func, (void*)this );
		void* (*func2)(void*) = &xfirelib::Client::startSendPingThread;
		pthread_create( &sendpingthread, NULL, func2, (void*)this );
#else
		//mir_create!!!!
		mir_forkthread(xfirelib::Client::startReadThread, (LPVOID)this);
		mir_forkthread(xfirelib::Client::startSendPingThread, (LPVOID)this);
#endif
	}
#ifndef NO_PTHREAD
	void *Client::startReadThread(void *ptr) {
#else
	void Client::startReadThread(LPVOID lParam)
	{
		void* ptr = (void*)lParam;
#endif
		if (ptr == NULL || ((Client*)ptr)->packetReader == NULL)
#ifndef NO_PTHREAD
			return NULL;
#else
			return;
#endif
		try {
			((Client*)ptr)->packetReader->run();
		}
		catch (SocketException ex) {
			XERROR(("Socket Exception ?! %s \n", ex.description().c_str()));

			//miranda bescheid geben, wir haben verbindung verloren
			if (ptr == NULL || ((Client*)ptr)->connected) SetStatus(ID_STATUS_OFFLINE, NULL);

			//((Client*)ptr)->disconnect();
		}
#ifndef NO_PTHREAD
		return NULL;
#else
		return;
#endif
	}

#ifndef NO_PTHREAD
	void *Client::startSendPingThread(void *ptr) {
		Client *me = (Client*)ptr;
#else
	void Client::startSendPingThread(LPVOID lParam)
	{
		Client *me = (Client*)lParam;
#endif
		SendKeepAlivePacket packet;

		while (1) {
#ifndef NO_PTHREAD
			pthread_testcancel();
#endif
			//Sleep(60000); // Sleep for 40 sek
			if (mySleep(60000, hConnectionClose)) {
#ifndef NO_PTHREAD
				return NULL;
#else
				return;
#endif
			}
#ifndef NO_PTHREAD
			pthread_testcancel();
#endif
			XDEBUG(("Sending KeepAlivePacket\n"));
			if (!me->send(&packet)) {
				XINFO(("Could not send KeepAlivePacket... exiting thread.\n"));
				break;
			}
		}
#ifndef NO_PTHREAD
		return NULL;
#else
		return;
#endif
	}

	void Client::disconnect()
	{
		this->connected = FALSE;

		//socket vom packetreader auf NULL, damit die readschleife geschlossen wird
		if (this->packetReader != NULL)
			this->packetReader->setSocket(NULL);

		XDEBUG("cancelling readthread... \n");
#ifndef NO_PTHREAD
		if (readthread.p!=NULL) pthread_cancel (readthread);
		readthread.p=NULL;

		XDEBUG( "cancelling sendpingthread... \n");
		if (sendpingthread.p!=NULL) pthread_cancel (sendpingthread);
		sendpingthread.p=NULL;
#endif

		XDEBUG("deleting socket...\n");
		if (socket) {
			delete socket;
			socket = NULL;
		}
		XDEBUG(("done\n"));
	}

	bool Client::send(XFirePacketContent *content)
	{
		if (!socket) {
			XERROR(("Trying to send content packet altough socket is NULL ! (ignored)\n"));
			return false;
		}
		XFirePacket *packet = new XFirePacket(content);
		packet->sendPacket(socket);
		delete packet;
		return true;
	}

	void Client::addPacketListener(PacketListener *listener)
	{
		packetReader->addPacketListener(listener);
	}


	void Client::receivedPacket(XFirePacket *packet)
	{
		XDEBUG(("Client::receivedPacket\n"));
		if (packet == NULL) {
			XERROR(("packet is NULL !!!\n"));
			return;
		}
		if (packet->getContent() == NULL) {
			XERROR(("ERRRR getContent() returns null ?!\n"));
			return;
		}
		XFirePacketContent *content = packet->getContent();

		switch (content->getPacketId()) {
		case XFIRE_PACKET_AUTH_ID:
			{
				XINFO(("Got Auth Packet .. Sending Login\n"));
				AuthPacket *authPacket = (AuthPacket*)packet->getContent();

				ClientLoginPacket *login = new ClientLoginPacket();
				login->setSalt(authPacket->getSalt());
				login->setUsername(*username);
				login->setPassword(*password);
				send(login);
				delete login;
				break;
			}

		case XFIRE_MESSAGE_ID:
			{
				XDEBUG(("Got Message, sending ACK\n"));
				MessagePacket *message = (MessagePacket*)packet->getContent();
				if (message->getMessageType() == 0) {
					MessageACKPacket *ack = new MessageACKPacket();
					memcpy(ack->sid, message->getSid(), 16);
					ack->imindex = message->getImIndex();
					send(ack);
					delete ack;
				}
				else if (message->getMessageType() == 2) {
					send(message);
				}
				break;
			}

		default:
			//cout << "Nothing here... " << endl;
			break;
		}
	}
};