/*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2006-2008 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 "selectWeapon.h"

#include "weaponItem.h"

#include "hwconsts.h"

#include <QPushButton>

#include <QGridLayout>

#include <QHBoxLayout>

#include <QLabel>

#include <QBitmap>

#include <QLineEdit>

#include <QSettings>

#include <QMessageBox>

QImage getAmmoImage(int num)

{

  static QImage ammo(":Ammos.png");

  return ammo.copy(0, num*32, 32, 32);

}

SelWeaponItem::SelWeaponItem(int iconNum, int wNum, QWidget* parent) :

  QWidget(parent)

{

  QHBoxLayout* hbLayout = new QHBoxLayout(this);

  hbLayout->setSpacing(1);

  hbLayout->setMargin(1);

  QLabel* lbl = new QLabel(this);

  lbl->setPixmap(QPixmap::fromImage(getAmmoImage(iconNum)));

  lbl->setMaximumWidth(30);

  lbl->setGeometry(0, 0, 30, 30);

  hbLayout->addWidget(lbl);

  item=new WeaponItem(QImage(":/res/ammopic.png"), this);

  item->setItemsNum(wNum);

  item->setInfinityState(true);

  hbLayout->addWidget(item);

  hbLayout->setStretchFactor(lbl, 1);

  hbLayout->setStretchFactor(item, 99);

  hbLayout->setAlignment(lbl, Qt::AlignLeft | Qt::AlignVCenter);

  hbLayout->setAlignment(item, Qt::AlignLeft | Qt::AlignVCenter);

}

void SelWeaponItem::setItemsNum(const unsigned char num)

{

  item->setItemsNum(num);

}

unsigned char SelWeaponItem::getItemsNum() const

{

  return item->getItemsNum();

}

SelWeaponWidget::SelWeaponWidget(int numItems, QWidget* parent) :

  m_numItems(numItems),

  QWidget(parent)

{

  wconf = new QSettings(cfgdir->absolutePath() + "/weapons.ini", QSettings::IniFormat, this);

  if(wconf->value("Default", "").toString().size() != cDefaultAmmoStore->size() - 10)

  {

    wconf->clear();

    wconf->setValue("Default", cDefaultAmmoStore->mid(10));

  }

  currentState=cDefaultAmmoStore->mid(10);

  pLayout=new QGridLayout(this);

  pLayout->setSpacing(1);

  pLayout->setMargin(1);

  int j=-1;

  int i=0, k=0;

  for(; i<m_numItems; ++i) {

    if(i==6) continue;

    if (k%4==0) ++j;

    weaponItems[i]=new SelWeaponItem(i, currentState[i].digitValue(), this);

    pLayout->addWidget(weaponItems[i], j, k%4);

    ++k;

  }

  //pLayout->setRowStretch(5, 100);

  m_name = new QLineEdit(this);

  pLayout->addWidget(m_name, i, 0, 1, 5);

}

void SelWeaponWidget::setWeapons(const QString& ammo)

{

  for(int i=0; i<m_numItems; ++i) {

    twi::iterator it=weaponItems.find(i);

    if (it==weaponItems.end()) continue;

    it->second->setItemsNum(ammo[i].digitValue());

  }

  update();

}

void SelWeaponWidget::setDefault()

{

  setWeapons(cDefaultAmmoStore->mid(10));

}

void SelWeaponWidget::save()

{

  if (m_name->text()=="Default") {

    QMessageBox impossible(QMessageBox::Warning, QMessageBox::tr("Weapons"), QMessageBox::tr("Can not edit default weapon set"));

    impossible.exec();

    return;

  }

  if (m_name->text()=="") return;

  currentState="";

  for(int i=0; i<m_numItems; ++i) {

    twi::const_iterator it=weaponItems.find(i);

    int num = it==weaponItems.end() ? 9 : (*this)[i];

    currentState = QString("%1%2").arg(currentState).arg(num);

  }

  if (curWeaponsName!="") {

    // remove old entry

    wconf->remove(curWeaponsName);

  }

  wconf->setValue(m_name->text(), currentState);

  emit weaponsChanged();

}

int SelWeaponWidget::operator [] (unsigned int weaponIndex) const

{

  twi::const_iterator it=weaponItems.find(weaponIndex);

  return it==weaponItems.end() ? 9 : it->second->getItemsNum();

}

QString SelWeaponWidget::getWeaponsString(const QString& name) const

{

  return wconf->value(name).toString();

}

void SelWeaponWidget::deleteWeaponsName()

{

  if (curWeaponsName=="") return;

  if (curWeaponsName=="Default") {

    QMessageBox impossible(QMessageBox::Warning, QMessageBox::tr("Weapons"), QMessageBox::tr("Can not delete default weapon set"));

    impossible.exec();

    return;

  }

  QMessageBox reallyDelete(QMessageBox::Question, QMessageBox::tr("Weapons"), QMessageBox::tr("Really delete this weapon set?"),

			   QMessageBox::Ok | QMessageBox::Cancel);

  if (reallyDelete.exec()==QMessageBox::Ok) {

    wconf->remove(curWeaponsName);

    emit weaponsDeleted();

  }

}

void SelWeaponWidget::setWeaponsName(const QString& name, bool editMode)

{

  if(name!="" && wconf->contains(name)) {

    setWeapons(wconf->value(name).toString());

  }

  if(editMode) curWeaponsName=name;

  else curWeaponsName="";

  m_name->setText(name);

}

QStringList SelWeaponWidget::getWeaponNames() const

{

  return wconf->allKeys();

}