/*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2005-2008 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 <QString>

#include <QByteArray>

#include <QUuid>

#include "game.h"

#include "hwconsts.h"

#include "gameuiconfig.h"

#include "gamecfgwidget.h"

#include "teamselect.h"

#include "KB.h"

#include "proto.h"

#include <QTextStream>

QString training; // TODO: Cleaner solution?

HWGame::HWGame(GameUIConfig * config, GameCFGWidget * gamecfg, QString ammo, TeamSelWidget* pTeamSelWidget) :

  TCPBase(true),

  ammostr(ammo),

  m_pTeamSelWidget(pTeamSelWidget)

{

	this->config = config;

	this->gamecfg = gamecfg;

	TeamCount = 0;

}

HWGame::~HWGame()

{

	SetGameState(gsDestroyed);

}

void HWGame::onClientDisconnect()

{

	switch (gameType) {

		case gtDemo: break;

		case gtNet:

			emit HaveRecord(true, demo);

			break;

		default:

			if (gameState == gsInterrupted) emit HaveRecord(false, demo);

			else if (gameState == gsFinished) emit HaveRecord(true, demo);

	}

	SetGameState(gsStopped);

}

void HWGame::commonConfig()

{

	QByteArray buf;

	QString gt;

	switch (gameType) {

		case gtDemo:

			gt = "TD";

			break;

		case gtNet:

			gt = "TN";

			break;

		default:

			gt = "TL";

	}

	HWProto::addStringToBuffer(buf, gt);

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

	if (m_pTeamSelWidget)

	{

		QList<HWTeam> teams = m_pTeamSelWidget->getPlayingTeams();

		for(QList<HWTeam>::iterator it = teams.begin(); it != teams.end(); ++it)

		{

			HWProto::addStringListToBuffer(buf,

				(*it).TeamGameConfig(gamecfg->getInitHealth()));

			HWProto::addStringToBuffer(buf, QString("eammstore %1").arg(ammostr));

		}

	}

	RawSendIPC(buf);

}

void HWGame::SendConfig()

{

	commonConfig();

}

void HWGame::SendQuickConfig()

{

	QByteArray teamscfg;

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

	HWProto::addStringToBuffer(teamscfg, QString("etheme %1")

			.arg((Themes->size() > 0) ? Themes->at(rand() % Themes->size()) : "steel"));

	HWProto::addStringToBuffer(teamscfg, "eseed " + QUuid::createUuid().toString());

	HWNamegen namegen;

	HWTeam * team1;

	team1 = new HWTeam;

	team1->difficulty = 0;

	team1->teamColor = *color1;

	team1->numHedgehogs = 4;

	namegen.TeamRandomNames(team1,TRUE);

	HWProto::addStringListToBuffer(teamscfg,

			team1->TeamGameConfig(100));

	HWTeam * team2;

	team2 = new HWTeam;

	team2->difficulty = 4;

	team2->teamColor = *color2;

	team2->numHedgehogs = 4;

	namegen.TeamRandomNames(team2,TRUE);

	HWProto::addStringListToBuffer(teamscfg,

			team2->TeamGameConfig(100));

	HWProto::addStringToBuffer(teamscfg, "eammstore " + *cDefaultAmmoStore);

	HWProto::addStringToBuffer(teamscfg, "eammstore " + *cDefaultAmmoStore);

	RawSendIPC(teamscfg);

}

void HWGame::SendTrainingConfig()

{

	QByteArray traincfg;

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

	QFile file(datadir->absolutePath() + "/Trainings/" + training + ".txt");

	if(!file.open(QFile::ReadOnly))

	{

		emit ErrorMessage(tr("Error reading training config file"));

		return;

	}

	QTextStream stream(&file);

	while(!stream.atEnd())

	{

		QString line = stream.readLine();

		if(!line.isEmpty() && !line.startsWith("#"))

			if(line != "<binds>")

				HWProto::addStringToBuffer(traincfg, "e" + line);

			else

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

					if(!cbinds[i].strbind.isEmpty())

						HWProto::addStringToBuffer(traincfg, "ebind " + cbinds[i].strbind + " " + cbinds[i].action);

	}

	RawSendIPC(traincfg);

}

void HWGame::SendNetConfig()

{

	commonConfig();

}

void HWGame::ParseMessage(const QByteArray & msg)

{

	switch(msg.at(1)) {

		case '?': {

			SendIPC("!");

			break;

		}

		case 'C': {

			switch (gameType) {

				case gtLocal: {

					SendConfig();

					break;

				}

				case gtQLocal: {

					SendQuickConfig();

					break;

				}

				case gtDemo: break;

				case gtNet: {

					SendNetConfig();

					break;

				}

				case gtTraining: {

					SendTrainingConfig();

					break;

				}

			}

			break;

		}

		case 'E': {

			int size = msg.size();

			emit ErrorMessage(QString("Last two engine messages:\n") + QString().append(msg.mid(2)).left(size - 4));

			return;

		}

		case 'K': {

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

			if (kb==1) {

			  qWarning("%s", KBMessages[kb - 1].toLocal8Bit().constData());

			  return;

			}

			if (kb && kb <= KBmsgsCount)

			{

				emit ErrorMessage(KBMessages[kb - 1]);

			}

			return;

		}

		case 'i': {

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

			break;

		}

		case 'Q': {

			SetGameState(gsInterrupted);

			break;

		}

		case 'q': {

			SetGameState(gsFinished);

			break;

		}

		case 's': {

			int size = msg.size();

			QString msgbody = QString::fromUtf8(msg.mid(2).left(size - 4));

			emit SendChat(msgbody);

			// FIXME: /me command doesn't work here

			QByteArray buf;

			HWProto::addStringToBuffer(buf, "s" + HWProto::formatChatMsg(config->netNick(), msgbody) + "\x20\x20");

			demo.append(buf);

			break;

		}

		case 'b': {

			int size = msg.size();

			QString msgbody = QString::fromUtf8(msg.mid(2).left(size - 4));

			emit SendTeamMessage(msgbody);

			break;

		}

		default: {

			if (gameType == gtNet)

			{

				emit SendNet(msg);

			}

		if (msg.at(1) != 's')

			demo.append(msg);

		}

	}

}

void HWGame::FromNet(const QByteArray & msg)

{

	RawSendIPC(msg);

}

void HWGame::FromNetChat(const QString & msg)

{

	QByteArray buf;

	HWProto::addStringToBuffer(buf, 's' + msg + "\x20\x20");

	RawSendIPC(buf);

}

void HWGame::onClientRead()

{

	quint8 msglen;

	quint32 bufsize;

	while (!readbuffer.isEmpty() && ((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;

	QRect resolution = config->vid_Resolution();

	arguments << cfgdir->absolutePath();

	arguments << QString::number(resolution.width());

	arguments << QString::number(resolution.height());

	arguments << QString::number(config->bitDepth()); // bpp

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

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

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

#ifdef _WIN32

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

#else

	arguments << "0";

#endif

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

	arguments << QString::number(config->volume()); // sound volume

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

	arguments << datadir->absolutePath();

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

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

	arguments << config->netNick().toUtf8().toBase64();

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

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

	return arguments;

}

void HWGame::AddTeam(const QString & teamname)

{

	if (TeamCount == 5) return;

	teams[TeamCount] = teamname;

	TeamCount++;

}

void HWGame::PlayDemo(const QString & demofilename)

{

	gameType = gtDemo;

	QFile demofile(demofilename);

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

	{

		emit ErrorMessage(tr("Cannot open demofile %1").arg(demofilename));

		return ;

	}

	// read demo

	toSendBuf = demofile.readAll();

	// run engine

	demo.clear();

	Start();

	SetGameState(gsStarted);

}

void HWGame::StartNet()

{

	gameType = gtNet;

	demo.clear();

	Start();

	SetGameState(gsStarted);

}

void HWGame::StartLocal()

{

	gameType = gtLocal;

	demo.clear();

	Start();

	SetGameState(gsStarted);

}

void HWGame::StartQuick()

{

	gameType = gtQLocal;

	demo.clear();

	Start();

	SetGameState(gsStarted);

}

void HWGame::StartTraining(const QString & file)

{

	gameType = gtTraining;

	training = file;

	demo.clear();

	Start();

	SetGameState(gsStarted);

}

void HWGame::SetGameState(GameState state)

{

	gameState = state;

	emit GameStateChanged(state);

}