/*
 * synergy -- mouse and keyboard sharing utility
 * Copyright (C) 2013-2016 Symless Ltd.
 * 
 * This package is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * found in the file LICENSE that should have accompanied this file.
 * 
 * This package 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, see <http://www.gnu.org/licenses/>.
 */

#include "server/ClientProxy1_5.h"

#include "server/Server.h"
#include "synergy/FileChunk.h"
#include "synergy/StreamChunker.h"
#include "synergy/ProtocolUtil.h"
#include "io/IStream.h"
#include "base/TMethodEventJob.h"
#include "base/Log.h"

#include <sstream>

//
// ClientProxy1_5
//

ClientProxy1_5::ClientProxy1_5(const String& name, synergy::IStream* stream, Server* server, IEventQueue* events) :
	ClientProxy1_4(name, stream, server, events),
	m_events(events)
{

	m_events->adoptHandler(m_events->forFile().keepAlive(),
							this,
							new TMethodEventJob<ClientProxy1_3>(this,
								&ClientProxy1_3::handleKeepAlive, NULL));
}

ClientProxy1_5::~ClientProxy1_5()
{
	m_events->removeHandler(m_events->forFile().keepAlive(), this);
}

void
ClientProxy1_5::sendDragInfo(UInt32 fileCount, const char* info, size_t size)
{
	String data(info, size);

	ProtocolUtil::writef(getStream(), kMsgDDragInfo, fileCount, &data);
}

void
ClientProxy1_5::fileChunkSending(UInt8 mark, char* data, size_t dataSize)
{
	FileChunk::send(getStream(), mark, data, dataSize);
}

bool
ClientProxy1_5::parseMessage(const UInt8* code)
{
	if (memcmp(code, kMsgDFileTransfer, 4) == 0) {
		fileChunkReceived();
	}
	else if (memcmp(code, kMsgDDragInfo, 4) == 0) {
		dragInfoReceived();
	}
	else {
		return ClientProxy1_4::parseMessage(code);
	}

	return true;
}

void
ClientProxy1_5::fileChunkReceived()
{
	Server* server = getServer();
	int result = FileChunk::assemble(
					getStream(),
					server->getReceivedFileData(),
					server->getExpectedFileSize());
	

	if (result == kFinish) {
		m_events->addEvent(Event(m_events->forFile().fileRecieveCompleted(), server));
	}
	else if (result == kStart) {
		if (server->getFakeDragFileList().size() > 0) {
			String filename = server->getFakeDragFileList().at(0).getFilename();
			LOG((CLOG_DEBUG "start receiving %s", filename.c_str()));
		}
	}
}

void
ClientProxy1_5::dragInfoReceived()
{
	// parse
	UInt32 fileNum = 0;
	String content;
	ProtocolUtil::readf(getStream(), kMsgDDragInfo + 4, &fileNum, &content);
	
	m_server->dragInfoReceived(fileNum, content);
}