/*

 * Hedgewars, a worms-like game

 * Copyright (c) 2006 Ulyanov Igor <iulyanov@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 <QDebug>

#include "newnetclient.h"

#include "proto.h"

#include "gameuiconfig.h"

#include "game.h"

#include "gamecfgwidget.h"

#include "teamselect.h"

char delimeter='\t';

HWNewNet::HWNewNet(GameUIConfig * config, GameCFGWidget* pGameCFGWidget, TeamSelWidget* pTeamSelWidget) :

  config(config),

  m_pGameCFGWidget(pGameCFGWidget),

  m_pTeamSelWidget(pTeamSelWidget),

  isChief(false)

{

  connect(&NetSocket, SIGNAL(readyRead()), this, SLOT(ClientRead()));

  connect(&NetSocket, SIGNAL(connected()), this, SLOT(OnConnect()));

  connect(&NetSocket, SIGNAL(disconnected()), this, SLOT(OnDisconnect()));

  connect(&NetSocket, SIGNAL(error(QAbstractSocket::SocketError)), this,

	  SLOT(displayError(QAbstractSocket::SocketError)));

}

void HWNewNet::Connect(const QString & hostName, quint16 port, const QString & nick)

{

  qDebug() << hostName << ":" << port;

  NetSocket.connectToHost(hostName, port);

  mynick = nick;

}

void HWNewNet::Disconnect()

{

  NetSocket.disconnect();

}

void HWNewNet::JoinGame(const QString & game)

{

  RawSendNet(QString("JOIN %1").arg(game));

}

void HWNewNet::AddTeam(const HWTeam & team)

{

  RawSendNet(QString("ADDTEAM:") + delimeter +

	     team.TeamName + delimeter + team.HHName[0] + delimeter + team.HHName[1] + delimeter +

	     team.HHName[2] + delimeter + team.HHName[3] + delimeter + team.HHName[4] + delimeter +

	     team.HHName[5] + delimeter + team.HHName[6] + delimeter + team.HHName[7]);

}

void HWNewNet::RemoveTeam(const HWTeam & team)

{

  RawSendNet(QString("REMOVETEAM:") + delimeter + team.TeamName);

}

void HWNewNet::StartGame()

{

  RawSendNet(QString("START:"));

}

void HWNewNet::SendConfigToEngine()

{

}

void HWNewNet::SendNet(const QByteArray & buf)

{

  QString msg = QString(buf.toBase64());

  qDebug() << "to net:" << buf << ":" << msg;

  if(msg == "AUM=") {

    SendConfigToEngine();

    return ;

  }

  //NetBuffer += buf;

  RawSendNet(QString("GAMEMSG:%1%2").arg(delimeter).arg(msg));

}

void HWNewNet::RawSendNet(const QString & str)

{

  RawSendNet(str.toUtf8());

}

void HWNewNet::RawSendNet(const QByteArray & buf)

{

  NetSocket.write(buf);

  NetSocket.write("\n", 1);

}

void HWNewNet::ClientRead()

{

  while (NetSocket.canReadLine()) {

    ParseLine(NetSocket.readLine().trimmed());

  }

}

void HWNewNet::OnConnect()

{

  RawSendNet(QString("USER") + delimeter + "hwgame 1 2 Hedgewars game");

  RawSendNet(QString("NICK%1%2").arg(delimeter).arg(mynick));

}

void HWNewNet::OnDisconnect()

{

  //emit ChangeInTeams(QStringList());

  emit Disconnected();

}

void HWNewNet::displayError(QAbstractSocket::SocketError socketError)

{

  switch (socketError) {

  case QAbstractSocket::RemoteHostClosedError:

    break;

  case QAbstractSocket::HostNotFoundError:

    QMessageBox::information(0, tr("Error"),

			     tr("The host was not found. Please check the host name and port settings."));

    break;

  case QAbstractSocket::ConnectionRefusedError:

    QMessageBox::information(0, tr("Error"),

			     tr("Connection refused"));

    break;

  default:

    QMessageBox::information(0, tr("Error"),

			     NetSocket.errorString());

  }

}

void HWNewNet::ParseLine(const QByteArray & line)

{

  QString msg = QString::fromUtf8 (line.data(), line.size());

  qDebug() << "line " << msg << " received";

  QStringList lst = msg.split(delimeter);

  if (lst[0] == "ERRONEUSNICKNAME") {

    QMessageBox::information(0, 0, "Your net nickname is in use or cannot be used");

    return;

  }

  if (lst[0] == "CONNECTED") {

    emit Connected();

    emit EnteredGame();

    return;

  }

  if (lst[0] == "ADDTEAM:") {

    lst.pop_front();

    emit AddNetTeam(lst);

    return;

  }

  if (lst[0] == "REMOVETEAM:") {

    if(lst.size()<3) return;

    m_pTeamSelWidget->removeNetTeam(HWTeam(lst[1], lst[2].toUInt()));

    return;

  }

  if(lst[0]=="SLAVE") {

    m_pGameCFGWidget->setEnabled(false);

    return;

  }

  if (lst[0] == "CONFIGASKED") {

    isChief=true;

    ConfigAsked();

    return;

  }

  if (lst[0] == "RUNGAME") {

    HWGame* game = new HWGame(config, m_pGameCFGWidget, m_pTeamSelWidget); // FIXME: memory leak here (stackify it?)

    connect(game, SIGNAL(SendNet(const QByteArray &)), this, SLOT(SendNet(const QByteArray &)));

    connect(this, SIGNAL(FromNet(const QByteArray &)), game, SLOT(FromNet(const QByteArray &)));

    connect(this, SIGNAL(LocalCFG(const QString &)), game, SLOT(LocalCFG(const QString &)));

    game->StartNet();

  }

  if (lst[0] == "CONFIGURED") {

    lst.pop_front();

    if(lst.size()<5) return;

    qDebug() << lst;

    emit seedChanged(lst[0]);

    emit mapChanged(lst[1]);

    emit themeChanged(lst[2]);

    emit initHealthChanged(lst[3].toUInt());

    emit turnTimeChanged(lst[4].toUInt());

    //emit fortsModeChanged(lst[5].toInt() != 0); // FIXME: add a getFortsMode in ConfigAsked

    return;

  }

  if(lst[0]=="TEAM_ACCEPTED") {

    m_networkToLocalteams.insert(lst[2].toUInt(), lst[1]);

    return;

  }

  if (lst[0] == "CONFIG_PARAM") {

  	if (lst[1] == "SEED") {

	  emit seedChanged(lst[2]);

	  return;

  	}

  	if (lst[1] == "MAP") {

	  emit mapChanged(lst[2]);

	  return;

  	}

  	if (lst[1] == "THEME") {

	  emit themeChanged(lst[2]);

	  return;

  	}

  	if (lst[1] == "HEALTH") {

	  emit initHealthChanged(lst[2].toUInt());

	  return;

  	}

  	if (lst[1] == "TURNTIME") {

	  emit turnTimeChanged(lst[2].toUInt());

	  return;

  	}

  	if (lst[1] == "FORTSMODE") {

	  emit fortsModeChanged(lst[2].toInt() != 0);

	  return;

  	}

  	if (lst[1] == "HHNUM") {

	  HWTeam tmptm(lst[2], lst[3].toUInt());

	  QMap<unsigned int, QString>::iterator it=m_networkToLocalteams.find(lst[3].toUInt());

	  if(it!=m_networkToLocalteams.end()) {

	    tmptm=HWTeam(lst[2]); // local team should be changed

	  }

	  tmptm.numHedgehogs=lst[4].toUInt();

	  emit hhnumChanged(tmptm);

	  return;

  	}

  	qDebug() << "unknow config param: " << lst[1];

    return;

  }

  // should be kinda game states, which don't allow "GAMEMSG:" at configure step,

  // "CONNECTED" at round phase, etc.

  if (lst[0] == "GAMEMSG:") {

    QByteArray em = QByteArray::fromBase64(lst[1].toAscii());

    emit FromNet(em);

    return;

  }

  qDebug() << "unknown net command: " << msg;

}

void HWNewNet::ConfigAsked()

{

  onSeedChanged(m_pGameCFGWidget->getCurrentSeed());

  onMapChanged(m_pGameCFGWidget->getCurrentMap());

  onThemeChanged(m_pGameCFGWidget->getCurrentTheme());

  onInitHealthChanged(m_pGameCFGWidget->getInitHealth());

  onTurnTimeChanged(m_pGameCFGWidget->getTurnTime());

}

void HWNewNet::RunGame()

{

  HWGame * game = new HWGame(config, 0);

  connect(game, SIGNAL(SendNet(const QByteArray &)), this, SLOT(SendNet(const QByteArray &)));

  connect(this, SIGNAL(FromNet(const QByteArray &)), game, SLOT(FromNet(const QByteArray &)));

  connect(this, SIGNAL(LocalCFG(const QString &)), game, SLOT(LocalCFG(const QString &)));

  game->StartNet();

}

void HWNewNet::onHedgehogsNumChanged(const HWTeam& team)

{

  qDebug() << team.getNetID() << ":" << team.numHedgehogs;

  RawSendNet(QString("CONFIG_PARAM%1HHNUM%1%2%1%3%1%4").arg(delimeter).arg(team.TeamName)\

	     .arg(team.getNetID() ? team.getNetID() : m_networkToLocalteams.key(team.TeamName))\

	     .arg(team.numHedgehogs));

}

void HWNewNet::onSeedChanged(const QString & seed)

{

  RawSendNet(QString("CONFIG_PARAM%1SEED%1%2").arg(delimeter).arg(seed));

}

void HWNewNet::onMapChanged(const QString & map)

{

  RawSendNet(QString("CONFIG_PARAM%1MAP%1%2").arg(delimeter).arg(map));

}

void HWNewNet::onThemeChanged(const QString & theme)

{

  RawSendNet(QString("CONFIG_PARAM%1THEME%1%2").arg(delimeter).arg(theme));

}

void HWNewNet::onInitHealthChanged(quint32 health)

{

  RawSendNet(QString("CONFIG_PARAM%1HEALTH%1%2").arg(delimeter).arg(health));

}

void HWNewNet::onTurnTimeChanged(quint32 time)

{

  RawSendNet(QString("CONFIG_PARAM%1TURNTIME%1%2").arg(delimeter).arg(time));

}

void HWNewNet::onFortsModeChanged(bool value)

{

  RawSendNet(QString("CONFIG_PARAM%1FORTSMODE%1%2").arg(delimeter).arg(value));

}