/*

 * Hedgewars, a worms-like game

 * Copyright (c) 2005, 2006 Andrey Korotaev <unC0Rr@gmail.com>

 *

 * 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; version 2 of the License

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

 */

#include <QMessageBox>

#include <QProcess>

#include <QTimer>

#include <QString>

#include <QByteArray>

#include <QFile>

#include <QTextStream>

#include <QUuid>

#include "game.h"

#include "hwconsts.h"

#include "gameuiconfig.h"

#include "gamecfgwidget.h"

#include "KB.h"

#include "proto.h"

HWGame::HWGame(GameUIConfig * config, GameCFGWidget * gamecfg) :

  TCPBase(true)

{

	this->config = config;

	this->gamecfg = gamecfg;

	TeamCount = 0;

	seed = "";

}

void HWGame::onClientDisconnect()

{

	SaveDemo(cfgdir->absolutePath() + "/Demos/LastRound.hwd_" + cProtoVer);

	emit GameStateChanged(gsStopped);

}

void HWGame::SendTeamConfig(int index)

{

	LocalCFG(teams[index]);

}

void HWGame::commonConfig()

{

	QByteArray buf;

	HWProto::addStringListToBuffer(buf, gamecfg->getFullConfig());

	HWProto::addStringToBuffer(buf, "TL");

	RawSendIPC(buf);

}

void HWGame::SendConfig()

{

	commonConfig();

	for (int i = 0; i < TeamCount; i++)

	{

		HWTeam team(teams[i]);

		team.LoadFromFile();

		QColor clr = m_teamsParams[teams[i]].teamColor;

		QByteArray buf;

		QStringList sl = team.TeamGameConfig(clr.rgb()&0xFFFFFF,

				m_teamsParams[teams[i]].numHedgehogs,

				gamecfg->getInitHealth());

		HWProto::addStringListToBuffer(buf, sl);

		RawSendIPC(buf);

	}

}

void HWGame::SendQuickConfig()

{

	commonConfig();

	QByteArray teamscfg;

	HWTeam team1(0);

	team1.difficulty = 0;

	HWProto::addStringListToBuffer(teamscfg,

			team1.TeamGameConfig(65535, 4, gamecfg->getInitHealth()));

	HWTeam team2(2);

	team2.difficulty = 4;

	RawSendIPC(HWProto::addStringListToBuffer(teamscfg,

			team2.TeamGameConfig(16776960, 4, gamecfg->getInitHealth())));

}

void HWGame::ParseMessage(const QByteArray & msg)

{

	switch(msg.at(1)) {

		case '?': {

			if (gameType == gtNet)

				emit SendNet(QByteArray("\x01""?"));

			else

				SendIPC("!");

			break;

		}

		case 'C': {

			switch (gameType) {

				case gtLocal: {

				 	SendConfig();

					break;

				}

				case gtQLocal: {

				 	SendQuickConfig();

					break;

				}

				case gtDemo: break;

				case gtNet: {

					SendIPC("TN");

					emit SendNet(QByteArray("\x01""C"));

					break;

				}

			}

			break;

		}

		case 'E': {

			QMessageBox::critical(0,

					"Hedgewars: error message",

					QString().append(msg.mid(2)).left(msg.size() - 6),

					QMessageBox::Ok,

					QMessageBox::NoButton,

					QMessageBox::NoButton);

			return;

		}

		case 'K': {

			ulong kb = msg.mid(2).toULong();

			if (kb && kb <= KBmsgsCount)

			{

				QMessageBox::information(0,

						"Hedgewars: information",

						KBMessages[kb - 1],

						QMessageBox::Ok,

						QMessageBox::NoButton,

						QMessageBox::NoButton);

			}

			return;

		}

		case '+': {

			if (gameType == gtNet)

			{

				emit SendNet(msg);

			}

			break;

		}

		case 'i': {

			emit GameStats(msg.at(2), QString::fromUtf8(msg.mid(3)));

			break;

		}

		case 'Q': {

			emit GameStateChanged(gsInterrupted);

			break;

		}

		case 'q': {

			emit GameStateChanged(gsFinished);

			break;

		}

		default: {

			if (gameType == gtNet)

			{

				emit SendNet(msg);

			}

			demo->append(msg);

		}

	}

}

void HWGame::FromNet(const QByteArray & msg)

{

	RawSendIPC(msg);

}

void HWGame::onClientRead()

{

	quint8 msglen;

	quint32 bufsize;

	while (((bufsize = readbuffer.size()) > 0) &&

			((msglen = readbuffer.data()[0]) < bufsize))

	{

		QByteArray msg = readbuffer.left(msglen + 1);

		readbuffer.remove(0, msglen + 1);

		ParseMessage(msg);

	}

}

QStringList HWGame::setArguments()

{

	QStringList arguments;

	arguments << resolutions[0][config->vid_Resolution()];

	arguments << resolutions[1][config->vid_Resolution()];

	arguments << "16"; // bpp

	arguments << QString("%1").arg(ipc_port);

	arguments << (config->vid_Fullscreen() ? "1" : "0");

	arguments << (config->isSoundEnabled() ? "1" : "0");

	arguments << tr("en.txt");

	arguments << "128"; // sound volume

	arguments << QString::number(config->timerInterval());

	arguments << datadir->absolutePath();

	arguments << (config->isShowFPSEnabled() ? "1" : "0");

	return arguments;

}

void HWGame::AddTeam(const QString & teamname, HWTeamTempParams teamParams)

{

	if (TeamCount == 5) return;

	teams[TeamCount] = teamname;

	TeamCount++;

	m_teamsParams[teamname]=teamParams;

}

void HWGame::SaveDemo(const QString & filename)

{

	demo->replace(QByteArray("\x02TL"), QByteArray("\x02TD"));

	demo->replace(QByteArray("\x02TN"), QByteArray("\x02TD"));

	QFile demofile(filename);

	if (!demofile.open(QIODevice::WriteOnly))

	{

		QMessageBox::critical(0,

				tr("Error"),

				tr("Cannot save demo to file %1").arg(filename),

				tr("Quit"));

		return ;

	}

	QDataStream stream(&demofile);

	stream.writeRawData(demo->constData(), demo->size());

	demofile.close();

	delete demo;

}

void HWGame::PlayDemo(const QString & demofilename)

{

	gameType = gtDemo;

	QFile demofile(demofilename);

	if (!demofile.open(QIODevice::ReadOnly))

	{

		QMessageBox::critical(0,

				tr("Error"),

				tr("Cannot open demofile %1").arg(demofilename),

				tr("Quit"));

		return ;

	}

	// read demo

	QDataStream stream(&demofile);

	char buf[512];

	int readbytes;

	do

	{

		readbytes = stream.readRawData((char *)&buf, 512);

		toSendBuf.append(QByteArray((char *)&buf, readbytes));

		//SendIPC(QByteArray((char *)&buf, readbytes));

	} while (readbytes > 0);

	demofile.close();

	// run engine

	demo = new QByteArray;

	Start();

	emit GameStateChanged(gsStarted);

}

void HWGame::StartNet()

{

	gameType = gtNet;

	demo = new QByteArray;

	Start();

	emit GameStateChanged(gsStarted);

}

void HWGame::StartLocal()

{

	gameType = gtLocal;

	if (TeamCount < 2) return;

	seed = gamecfg->getCurrentSeed();

	demo = new QByteArray;

	Start();

	emit GameStateChanged(gsStarted);

}

void HWGame::StartQuick()

{

	gameType = gtQLocal;

	seed = gamecfg->getCurrentSeed();

	demo = new QByteArray;

	Start();

	emit GameStateChanged(gsStarted);

}

void HWGame::LocalCFG(const QString & teamname)

{

	QByteArray teamcfg;

	HWTeam team(teamname);

	team.LoadFromFile();

	RawSendIPC(HWProto::addStringListToBuffer(teamcfg,

			team.TeamGameConfig(16776960, 4, gamecfg->getInitHealth())));

}