#include "tfarmserver.h"
#include "tfarmexecutor.h"
#include "tsystem.h"

#include "tconvert.h"

#include <vector>
using namespace std;

//------------------------------------------------------------------------------

class TFarmServerStub::Imp : public TFarmExecutor
{
public:
	Imp(TFarmServer *server, int port)
		: TFarmExecutor(port), m_server(server)
	{
		assert(m_server);
	}

	// TFarmExecutor overrides
	QString execute(const vector<QString> &argv);

	TFarmServer *m_server;
};

//------------------------------------------------------------------------------

QString TFarmServerStub::Imp::execute(const vector<QString> &argv)
{
#ifdef DEBUG
	std::cout << "executing " << argv[0].c_str() << endl;
#endif

	if (argv.size() > 0) {
#ifdef DEBUG
		for (int i = 0; i < (int)argv.size(); ++i)
			std::cout << argv[i] << " ";
#endif

		if (argv[0] == "addTask" && argv.size() == 3) {
			int ret = m_server->addTask(argv[1], argv[2]);
			return QString::number(ret);
		} else if (argv[0] == "terminateTask" && argv.size() > 1) {
			int ret = m_server->terminateTask(argv[1]);
			return QString::number(ret);
		} else if (argv[0] == "getTasks") {
			vector<QString> tasks;
			int ret = m_server->getTasks(tasks);

			QString reply(QString::number(ret));
			reply += ",";

			vector<QString>::iterator it = tasks.begin();
			for (; it != tasks.end(); ++it) {
				reply += *it;
				reply += ",";
			}

			if (!reply.isEmpty())
				reply.remove(reply.length() - 1, 1);

			return reply;
		} else if (argv[0] == "queryHwInfo") {
			TFarmServer::HwInfo hwInfo;
			m_server->queryHwInfo(hwInfo);

			QString ret;
			ret += QString::number((int)hwInfo.m_cpuCount);
			ret += ",";
			ret += QString::number((int)(hwInfo.m_totPhysMem / 1024));
			ret += ",";
			ret += QString::number((int)(hwInfo.m_availPhysMem / 1024));
			ret += ",";
			ret += QString::number((int)(hwInfo.m_totVirtMem / 1024));
			ret += ",";
			ret += QString::number((int)(hwInfo.m_availVirtMem / 1024));
			ret += ",";
			ret += QString::number(hwInfo.m_type);
			return ret;
		} else if (argv[0] == "attachController" && argv.size() > 3) {
			int port = argv[3].toInt();
			m_server->attachController(argv[1], argv[2], port);
			return "";
		} else if (argv[0] == "detachController" && argv.size() > 3) {
			int port = argv[3].toInt();
			m_server->detachController(argv[1], argv[2], port);
			return "";
		}
	}

	return "";
}

//------------------------------------------------------------------------------
//------------------------------------------------------------------------------

TFarmServerStub::TFarmServerStub(TFarmServer *farmServer, int port)
	: m_imp(new Imp(farmServer, port))
{
}

//------------------------------------------------------------------------------

TFarmServerStub::~TFarmServerStub()
{
	delete m_imp;
}

//------------------------------------------------------------------------------

int TFarmServerStub::run()
{
	m_imp->run();
	return m_imp->getExitCode();
}

//------------------------------------------------------------------------------

int TFarmServerStub::shutdown()
{
	TTcpIpClient client;

	int socketId;
	int ret = client.connect(TSystem::getHostName(), "", m_imp->getPort(), socketId);
	if (ret == OK) {
		ret = client.send(socketId, "shutdown");
	}

	return ret;
}

//------------------------------------------------------------------------------

int TFarmServerStub::getPort() const
{
	return m_imp->getPort();
}