/*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2006, 2007 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 <algorithm>

#include <QLabel>

#include <QPixmap>

#include <QPushButton>

#include <QFrame>

#include <QDebug>

#include <vertScrollArea.h>

#include "teamselect.h"

#include "teamselhelper.h"

#include "frameTeam.h"

void TeamSelWidget::addTeam(HWTeam team)

{

  if(team.isNetTeam()) {

    framePlaying->addTeam(team, true);

    curPlayingTeams.push_back(team);

    connect(framePlaying->getTeamWidget(team), SIGNAL(teamStatusChanged(HWTeam)),

		     this, SLOT(netTeamStatusChanged(const HWTeam&)));

    connect(framePlaying->getTeamWidget(team), SIGNAL(hhNmChanged(const HWTeam&)),

			    this, SLOT(hhNumChanged(const HWTeam&)));

    dynamic_cast<TeamShowWidget*>(framePlaying->getTeamWidget(team))->hhNumChanged();

    connect(framePlaying->getTeamWidget(team), SIGNAL(teamColorChanged(const HWTeam&)),

			    this, SLOT(proxyTeamColorChanged(const HWTeam&)));

  } else {

    frameDontPlaying->addTeam(team, false);

    curDontPlayingTeams.push_back(team);

    if(m_acceptOuter) {

      connect(frameDontPlaying->getTeamWidget(team), SIGNAL(teamStatusChanged(HWTeam)),

	      this, SLOT(pre_changeTeamStatus(HWTeam)));

    } else {

      connect(frameDontPlaying->getTeamWidget(team), SIGNAL(teamStatusChanged(HWTeam)),

	      this, SLOT(changeTeamStatus(HWTeam)));

    }

  }

  emit setEnabledGameStart(curPlayingTeams.size()>1);

}

void TeamSelWidget::setNonInteractive()

{

  framePlaying->setNonInteractive();

}

void TeamSelWidget::hhNumChanged(const HWTeam& team)

{

	QList<HWTeam>::iterator itPlay=std::find(curPlayingTeams.begin(), curPlayingTeams.end(), team);

	if(itPlay==curPlayingTeams.end())

	{

		qWarning() << QString("hhNumChanged: team '%1' not found").arg(team.TeamName);

		return;

	}

	itPlay->numHedgehogs=team.numHedgehogs;

	emit hhogsNumChanged(team);

}

void TeamSelWidget::proxyTeamColorChanged(const HWTeam& team)

{

	QList<HWTeam>::iterator itPlay=std::find(curPlayingTeams.begin(), curPlayingTeams.end(), team);

	if(itPlay==curPlayingTeams.end())

	{

		qWarning() << QString("proxyTeamColorChanged: team '%1' not found").arg(team.TeamName);

		return;

	}

	itPlay->teamColor=team.teamColor;

	emit teamColorChanged(team);

}

void TeamSelWidget::changeHHNum(const HWTeam& team)

{

  QList<HWTeam>::iterator itPlay=std::find(curPlayingTeams.begin(), curPlayingTeams.end(), team);

	if(itPlay==curPlayingTeams.end())

	{

		qWarning() << QString("changeHHNum: team '%1' not found").arg(team.TeamName);

		return;

	}

  itPlay->numHedgehogs=team.numHedgehogs;

  framePlaying->setHHNum(team);

}

void TeamSelWidget::changeTeamColor(const HWTeam& team)

{

	QList<HWTeam>::iterator itPlay=std::find(curPlayingTeams.begin(), curPlayingTeams.end(), team);

	if(itPlay==curPlayingTeams.end())

	{

		qWarning() << QString("changeTeamColor: team '%1' not found").arg(team.TeamName);

		return;

	}

	itPlay->teamColor=team.teamColor;

	framePlaying->setTeamColor(team);

}

void TeamSelWidget::removeNetTeam(const HWTeam& team)

{

	qDebug() << QString("removeNetTeam: removing team '%1'").arg(team.TeamName);

	for(;;) {

		QList<HWTeam>::iterator itPlay=std::find(curPlayingTeams.begin(), curPlayingTeams.end(), team);

		if(itPlay==curPlayingTeams.end())

		{

			qWarning() << QString("removeNetTeam: team '%1' not found").arg(team.TeamName);

			break;

		}

		if(itPlay->isNetTeam()) {

			QObject::disconnect(framePlaying->getTeamWidget(*itPlay), SIGNAL(teamStatusChanged(HWTeam)));

			framePlaying->removeTeam(team);

			curPlayingTeams.erase(itPlay);

			break;

		}

	}

	emit setEnabledGameStart(curPlayingTeams.size()>1);

}

void TeamSelWidget::netTeamStatusChanged(const HWTeam& team)

{

  QList<HWTeam>::iterator itPlay=std::find(curPlayingTeams.begin(), curPlayingTeams.end(), team);

}

//void TeamSelWidget::removeTeam(__attribute__ ((unused)) HWTeam team)

//{

  //curDontPlayingTeams.erase(std::find(curDontPlayingTeams.begin(), curDontPlayingTeams.end(), team));

//}

void TeamSelWidget::changeTeamStatus(HWTeam team)

{

  QList<HWTeam>::iterator itDontPlay=std::find(curDontPlayingTeams.begin(), curDontPlayingTeams.end(), team);

  QList<HWTeam>::iterator itPlay=std::find(curPlayingTeams.begin(), curPlayingTeams.end(), team);

  bool willBePlaying=itDontPlay!=curDontPlayingTeams.end();

  if(!willBePlaying) {

    // playing team => dont playing

    curDontPlayingTeams.push_back(*itPlay);

    emit teamNotPlaying(*itPlay);

    curPlayingTeams.erase(itPlay);

  } else {

    // return if max playing teams reached

    if(framePlaying->isFullTeams()) return;

    // dont playing team => playing

    team=*itDontPlay; // for net team info saving in framePlaying (we have only name with netID from network)

    itDontPlay->teamColor=framePlaying->getNextColor();

    curPlayingTeams.push_back(*itDontPlay);

    if(!m_acceptOuter) emit teamWillPlay(*itDontPlay);

    curDontPlayingTeams.erase(itDontPlay);

  }

  FrameTeams* pRemoveTeams;

  FrameTeams* pAddTeams;

  if(!willBePlaying) {

    pRemoveTeams=framePlaying;

    pAddTeams=frameDontPlaying;

  } else {

    pRemoveTeams=frameDontPlaying;

    pAddTeams=framePlaying;

  }

  pAddTeams->addTeam(team, willBePlaying);

  pRemoveTeams->removeTeam(team);

  if(!team.isNetTeam() && m_acceptOuter && !willBePlaying) {

    connect(frameDontPlaying->getTeamWidget(team), SIGNAL(teamStatusChanged(HWTeam)),

	    this, SLOT(pre_changeTeamStatus(HWTeam)));

  } else {

    connect(pAddTeams->getTeamWidget(team), SIGNAL(teamStatusChanged(HWTeam)),

	    this, SLOT(changeTeamStatus(HWTeam)));

  }

  if(willBePlaying) {

    connect(framePlaying->getTeamWidget(team), SIGNAL(hhNmChanged(const HWTeam&)),

	    this, SLOT(hhNumChanged(const HWTeam&)));

    dynamic_cast<TeamShowWidget*>(framePlaying->getTeamWidget(team))->hhNumChanged();

    connect(framePlaying->getTeamWidget(team), SIGNAL(teamColorChanged(const HWTeam&)),

	    this, SLOT(proxyTeamColorChanged(const HWTeam&)));

    emit teamColorChanged(((TeamShowWidget*)framePlaying->getTeamWidget(team))->getTeam());

  }

  QSize szh=pAddTeams->sizeHint();

  QSize szh1=pRemoveTeams->sizeHint();

  if(szh.isValid() && szh1.isValid()) {

    pAddTeams->resize(pAddTeams->size().width(), szh.height());

    pRemoveTeams->resize(pRemoveTeams->size().width(), szh1.height());

  }

  emit setEnabledGameStart(curPlayingTeams.size()>1);

}

void TeamSelWidget::addScrArea(FrameTeams* pfteams, QColor color, int maxHeight)

{

  VertScrArea* area=new VertScrArea(color);

  area->setWidget(pfteams);

  mainLayout.addWidget(area, 30);

  if (maxHeight > 0)

  	area->setMaximumHeight(maxHeight);

}

TeamSelWidget::TeamSelWidget(QWidget* parent) :

  QGroupBox(parent), mainLayout(this), m_acceptOuter(false)

{

  setTitle(QGroupBox::tr("Playing teams"));

  framePlaying=new FrameTeams();

  frameDontPlaying=new FrameTeams();

//  addScrArea(framePlaying, QColor("DarkTurquoise"));

//  addScrArea(frameDontPlaying, QColor("LightGoldenrodYellow"));

  QPalette p;

  addScrArea(framePlaying, p.color(QPalette::Window).light(105), 200);

  addScrArea(frameDontPlaying, p.color(QPalette::Window).dark(105), 0);

  QPushButton * btnSetup = new QPushButton(this);

  btnSetup->setText(QPushButton::tr("Setup"));

  connect(btnSetup, SIGNAL(clicked()), this, SIGNAL(SetupClicked()));

  mainLayout.addWidget(btnSetup);

}

void TeamSelWidget::setAcceptOuter(bool acceptOuter)

{

  m_acceptOuter=acceptOuter;

}

void TeamSelWidget::resetPlayingTeams(const QList<HWTeam>& teamslist)

{

  QList<HWTeam>::iterator it;

  //for(it=curPlayingTeams.begin(); it!=curPlayingTeams.end(); it++) {

  //framePlaying->removeTeam(*it);

  //}

  framePlaying->resetTeams();

  framePlaying->resetColors();

  curPlayingTeams.clear();

  //for(it=curDontPlayingTeams.begin(); it!=curDontPlayingTeams.end(); it++) {

  //frameDontPlaying->removeTeam(*it);

  //}

  frameDontPlaying->resetTeams();

  curDontPlayingTeams.clear();

  for (QList<HWTeam>::ConstIterator it = teamslist.begin(); it != teamslist.end(); ++it ) {

    addTeam(*it);

  }

}

bool TeamSelWidget::isPlaying(HWTeam team) const

{

  return std::find(curPlayingTeams.begin(), curPlayingTeams.end(), team)!=curPlayingTeams.end();

}

QList<HWTeam> TeamSelWidget::getPlayingTeams() const

{

  return curPlayingTeams;

}

QList<HWTeam> TeamSelWidget::getDontPlayingTeams() const

{

  return curDontPlayingTeams;

}

void TeamSelWidget::pre_changeTeamStatus(HWTeam team)

{

  team.teamColor=framePlaying->getNextColor();

  emit acceptRequested(team);

}