/*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2004-2015 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#include <QGridLayout>

#include <QHBoxLayout>

#include <QPushButton>

#include <QComboBox>

#include <QLabel>

#include <QLineEdit>

#include <QTabWidget>

#include <QGroupBox>

#include <QToolBox>

#include <QMessageBox>

#include <QStandardItemModel>

#include <QDebug>

#include <QRegExp>

#include <QRegExpValidator>

#include "SquareLabel.h"

#include "HWApplication.h"

#include "keybinder.h"

#include "hwconsts.h"

#include "physfs.h"

#include "DataManager.h"

#include "hatbutton.h"

#include "pageeditteam.h"

QLayout * PageEditTeam::bodyLayoutDefinition()

{

    QGridLayout * pageLayout = new QGridLayout();

    tbw = new QTabWidget();

    QWidget * page1 = new QWidget(this);

    binder = new KeyBinder(this, tr("Select an action to choose a custom key bind for this team"), tr("Use my default"), tr("Reset all binds"));

    connect(binder, SIGNAL(resetAllBinds()), this, SLOT(resetAllBinds()));

    tbw->addTab(page1, tr("General"));

    tbw->addTab(binder, tr("Custom Controls"));

    pageLayout->addWidget(tbw, 0, 0, 1, 3);

    QHBoxLayout * page1Layout = new QHBoxLayout(page1);

    page1Layout->setAlignment(Qt::AlignTop);

// ====== Page 1 ======

    QVBoxLayout * vbox1 = new QVBoxLayout();

    QVBoxLayout * vbox2 = new QVBoxLayout();

    page1Layout->addLayout(vbox1);

    page1Layout->addLayout(vbox2);

    GBoxHedgehogs = new QGroupBox(this);

    GBoxHedgehogs->setTitle(QGroupBox::tr("Team Members"));

    GBoxHedgehogs->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);

    QGridLayout * GBHLayout = new QGridLayout(GBoxHedgehogs);

    GBHLayout->addWidget(new QLabel(tr("Hat")), 0, 0);

    GBHLayout->addWidget(new QLabel(tr("Name")), 0, 1);

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

    {

        HHHats[i] = new HatButton(GBoxHedgehogs);

        GBHLayout->addWidget(HHHats[i], i + 1, 0);

        HHNameEdit[i] = new QLineEdit(GBoxHedgehogs);

        HHNameEdit[i]->setMaxLength(64);

        HHNameEdit[i]->setMinimumWidth(120);

        HHNameEdit[i]->setFixedHeight(36);

        HHNameEdit[i]->setWhatsThis(tr("This hedgehog's name"));

        HHNameEdit[i]->setStyleSheet("QLineEdit { padding: 6px; }");

        GBHLayout->addWidget(HHNameEdit[i], i + 1, 1, 1, 2);

        btnRandomHogName[i] = addButton(":/res/dice.png", GBHLayout, i + 1, 5, 1, 1, true);

        btnRandomHogName[i]->setFixedHeight(HHNameEdit[i]->height());

        btnRandomHogName[i]->setWhatsThis(tr("Randomize this hedgehog's name"));

    }

    btnRandomHats = new QPushButton();

    btnRandomHats->setText(tr("Random Hats"));

    btnRandomHats->setStyleSheet("padding: 6px 10px;");

    GBHLayout->addWidget(btnRandomHats, 9, 1, 1, 1, Qt::AlignCenter);

    btnRandomHats->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);

    btnRandomNames = new QPushButton();

    btnRandomNames->setText(tr("Random Names"));

    btnRandomNames->setStyleSheet("padding: 6px 10px;");

    GBHLayout->addWidget(btnRandomNames, 9, 2, 1, 1, Qt::AlignCenter);

    btnRandomNames->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);

    vbox1->addWidget(GBoxHedgehogs);

    btnRandomTeam = new QPushButton();

    btnRandomTeam->setText(tr("Random Team"));

    btnRandomTeam->setStyleSheet("padding: 6px 10px;");

    btnRandomTeam->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);

    vbox1->addWidget(btnRandomTeam, 0, Qt::AlignCenter);

    GBoxTeam = new QGroupBox(this);

    GBoxTeam->setTitle(QGroupBox::tr("Team Settings"));

    GBoxTeam->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);

    QGridLayout * GBTLayout = new QGridLayout(GBoxTeam);

    QLabel * tmpLabel = new QLabel(GBoxTeam);

    tmpLabel->setText(QLabel::tr("Name"));

    GBTLayout->addWidget(tmpLabel, 0, 0);

    tmpLabel = new QLabel(GBoxTeam);

    tmpLabel->setText(QLabel::tr("Player"));

    GBTLayout->addWidget(tmpLabel, 1, 0);

    tmpLabel = new QLabel(GBoxTeam);

    tmpLabel->setText(QLabel::tr("Grave"));

    GBTLayout->addWidget(tmpLabel, 2, 0);

    tmpLabel = new QLabel(GBoxTeam);

    tmpLabel->setText(QLabel::tr("Flag"));

    GBTLayout->addWidget(tmpLabel, 3, 0);

    tmpLabel = new QLabel(GBoxTeam);

    tmpLabel->setText(QLabel::tr("Voice"));

    GBTLayout->addWidget(tmpLabel, 4, 0);

    TeamNameEdit = new QLineEdit(GBoxTeam);

    TeamNameEdit->setMaxLength(64);

    TeamNameEdit->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);

    TeamNameEdit->setStyleSheet("QLineEdit { padding: 6px; }");

    QRegExp rx(*cSafeFileNameRegExp);

    QRegExpValidator * val = new QRegExpValidator(rx, TeamNameEdit);

    TeamNameEdit->setValidator(val);

    GBTLayout->addWidget(TeamNameEdit, 0, 1, 1, 2);

    vbox2->addWidget(GBoxTeam);

    CBTeamLvl = new QComboBox(GBoxTeam);

    CBTeamLvl->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);

    CBTeamLvl->setIconSize(QSize(32, 32));

    CBTeamLvl->addItem(QIcon(":/res/botlevels/small0.png"), QComboBox::tr("Human"));

    for(int i = 5; i > 0; i--)

        CBTeamLvl->addItem(

            QIcon(QString(":/res/botlevels/small%1.png").arg(6 - i)),

            QComboBox::tr("Computer (Level %1)").arg(i)

        );

    CBTeamLvl->setFixedHeight(38);

    GBTLayout->addWidget(CBTeamLvl, 1, 1, 1, 2);

    CBGrave = new QComboBox(GBoxTeam);

    CBGrave->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);

    CBGrave->setMaxCount(65535);

    CBGrave->setMaxVisibleItems(20);

    CBGrave->setIconSize(QSize(32, 32));

    CBGrave->setFixedHeight(44);

    GBTLayout->addWidget(CBGrave, 2, 1, 1, 2);

    // Player flags, combobox to select flag

    CBFlag = new QComboBox(GBoxTeam);

    CBFlag->setMaxCount(65535);

    CBFlag->setMaxVisibleItems(50);

    CBFlag->setIconSize(QSize(22, 15));

    CBFlag->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);

    GBTLayout->addWidget(CBFlag, 3, 1, 1, 2);

    // CPU level flag. Static image, only displayed when computer player is selected

    QImage imgBotlevels = QImage("physfs://Graphics/botlevels.png");

    int botlevelOffsets[5]= { 19, 14, 10, 6, 0 };   

    for(int i=0; i<5; i++) {

        QImage imgCPU = QImage("physfs://Graphics/Flags/cpu.png");

        QPainter painter(&imgCPU);

        painter.drawImage(botlevelOffsets[i], 0, imgBotlevels, botlevelOffsets[i]);

        pixCPU[i] = QPixmap::fromImage(imgCPU);

    }

    QHBoxLayout* hboxCPU = new QHBoxLayout();

    hboxCPU->setContentsMargins(0, 0, 0, 0);

    hboxCPUWidget = new QWidget();

    hboxCPUWidget->setLayout(hboxCPU);

    CPUFlag = new QLabel();

    CPUFlag->setPixmap(pixCPU[0]);

    CPUFlag->setFixedHeight(38);

    hboxCPU->addWidget(CPUFlag);

    CPUFlagLabel = new QLabel("CPU");

    CPUFlagLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);

    hboxCPU->addWidget(CPUFlagLabel);

    hboxCPUWidget->setHidden(true);

    GBTLayout->addWidget(hboxCPUWidget, 3, 1, 1, 1);

    btnRandomTeamName = addButton(":/res/dice.png", GBTLayout, 0, 3, 1, 1, true);

    btnRandomTeamName->setWhatsThis(tr("Randomize the team name"));

    btnRandomGrave = addButton(":/res/dice.png", GBTLayout, 2, 3, 1, 1, true);

    btnRandomGrave->setWhatsThis(tr("Randomize the grave"));

    btnRandomFlag = addButton(":/res/dice.png", GBTLayout, 3, 3, 1, 1, true);

    btnRandomFlag->setWhatsThis(tr("Randomize the flag"));

    CBVoicepack = new QComboBox(GBoxTeam);

    CBVoicepack->setMaxVisibleItems(50);

    CBVoicepack->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);

    GBTLayout->addWidget(CBVoicepack, 4, 1, 1, 1);

    btnTestSound = addSoundlessButton(":/res/PlaySound.png", GBTLayout, 4, 2, 1, 1, true);

    btnTestSound->setWhatsThis(tr("Play a random example of this voice"));

    btnRandomVoice = addButton(":/res/dice.png", GBTLayout, 4, 3, 1, 1, true);

    btnRandomVoice->setWhatsThis(tr("Randomize the voice"));

    GBoxFort = new QGroupBox(this);

    GBoxFort->setTitle(QGroupBox::tr("Fort"));

    QGridLayout * GBFLayout = new QGridLayout(GBoxFort);

    CBFort = new QComboBox(GBoxFort);

    CBFort->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);

    CBFort->setMaxVisibleItems(25);

    CBFort->setMaxCount(65535);

    GBFLayout->addWidget(CBFort, 0, 0);

    btnRandomFort = addButton(":/res/dice.png", GBFLayout, 0, 2, 1, 1, true);

    btnRandomFort->setWhatsThis(tr("Randomize the fort"));

    FortPreview = new SquareLabel(GBoxFort);

    FortPreview->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);

    FortPreview->setMinimumSize(128, 128);

    FortPreview->setPixmap(QPixmap());

    // perhaps due to handling its own paintevents, SquareLabel doesn't play nice with the stars

    //FortPreview->setAttribute(Qt::WA_PaintOnScreen, true);

    GBFLayout->addWidget(FortPreview, 1, 0, 1, 2);

    vbox2->addWidget(GBoxFort);

    vbox1->addStretch();

    vbox2->addStretch();

    return pageLayout;

}

QLayout * PageEditTeam::footerLayoutDefinition()

{

    return NULL;

}

void PageEditTeam::connectSignals()

{

    connect(this, SIGNAL(pageLeave()), this, SLOT(saveTeam()));

    signalMapper1 = new QSignalMapper(this);

    signalMapper2 = new QSignalMapper(this);

    connect(signalMapper1, SIGNAL(mapped(int)), this, SLOT(fixHHname(int)));

    connect(signalMapper2, SIGNAL(mapped(int)), this, SLOT(setRandomHogName(int)));

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

    {

        connect(HHNameEdit[i], SIGNAL(editingFinished()), signalMapper1, SLOT(map()));

        signalMapper1->setMapping(HHNameEdit[i], i);

        connect(btnRandomHogName[i], SIGNAL(clicked()), signalMapper2, SLOT(map()));

        signalMapper2->setMapping(btnRandomHogName[i], i);

    }

    connect(btnRandomTeam, SIGNAL(clicked()), this, SLOT(setRandomTeam()));

    connect(btnRandomNames, SIGNAL(clicked()), this, SLOT(setRandomHogNames()));

    connect(btnRandomHats, SIGNAL(clicked()), this, SLOT(setRandomHats()));

    connect(CBTeamLvl, SIGNAL(currentIndexChanged(const int)), this, SLOT(CBTeamLvl_activated(const int)));

    connect(btnRandomTeamName, SIGNAL(clicked()), this, SLOT(setRandomTeamName()));

    connect(btnRandomGrave, SIGNAL(clicked()), this, SLOT(setRandomGrave()));

    connect(btnRandomFlag, SIGNAL(clicked()), this, SLOT(setRandomFlag()));

    connect(btnRandomVoice, SIGNAL(clicked()), this, SLOT(setRandomVoice()));

    connect(btnRandomFort, SIGNAL(clicked()), this, SLOT(setRandomFort()));

    connect(btnTestSound, SIGNAL(clicked()), this, SLOT(testSound()));

    connect(CBFort, SIGNAL(currentIndexChanged(const int)), this, SLOT(CBFort_activated(const int)));

}

PageEditTeam::PageEditTeam(QWidget* parent) :

    AbstractPage(parent)

{

    initPage();

    m_playerHash = "0000000000000000000000000000000000000000";

    m_loaded = false;

}

void PageEditTeam::lazyLoad()

{

    if(m_loaded) return;

    m_loaded = true;

    qDebug("[LAZINESS] PageEditTeam::lazyLoad()");

    HatModel * hatsModel = DataManager::instance().hatModel();

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

        HHHats[i]->setModel(hatsModel);

    QRegExp pngSuffix("\\.png$");

    DataManager & dataMgr = DataManager::instance();

    QStringList list;

    // voicepacks

    list = dataMgr.entryList("Sounds/voices",

                             QDir::AllDirs | QDir::NoDotAndDotDot);

    CBVoicepack->addItems(list);

    QIcon dlcIcon;

    dlcIcon.addFile(":/res/dlcMarker.png", QSize(), QIcon::Normal, QIcon::On);

    dlcIcon.addFile(":/res/dlcMarkerSelected.png", QSize(), QIcon::Selected, QIcon::On);

    QPixmap emptySpace = QPixmap(7, 15);

    emptySpace.fill(QColor(0, 0, 0, 0));

    QIcon notDlcIcon = QIcon(emptySpace);

    // forts

    list = dataMgr.entryList("Forts", QDir::Files, QStringList("*L.png"));

    foreach (QString file, list)

    {

        QString fortPath = PHYSFS_getRealDir(QString("Forts/%1").arg(file).toLocal8Bit().data());

        QString fort = file.replace(QRegExp("L\\.png$"), "");

        bool isDLC = !fortPath.startsWith(datadir->absolutePath());

        if (isDLC)

        {

            CBFort->addItem(dlcIcon, fort, fort);

        }

        else

        {

            CBFort->addItem(notDlcIcon, fort, fort);

        }

    }

    // graves

    list =

        dataMgr.entryList("Graphics/Graves", QDir::Files, QStringList("*.png"));

    foreach (QString file, list)

    {

        QPixmap pix("physfs://Graphics/Graves/" + file);

        if ((pix.height() > 32) || pix.width() > 32)

            pix = pix.copy(0, 0, 32, 32);

        QIcon icon(pix);

        QString grave = file.remove(pngSuffix);

        CBGrave->addItem(icon, grave);

    }

    // flags

    list =

        dataMgr.entryList("Graphics/Flags", QDir::Files, QStringList("*.png"));

    // skip cpu and hedgewars flags

    int idx = list.indexOf("cpu.png");

    if (idx >= 0)

        list.removeAt(idx);

    idx = list.indexOf("cpu_plain.png");

    if (idx >= 0)

        list.removeAt(idx);

    idx = list.indexOf("hedgewars.png");

    if (idx >= 0)

        list.removeAt(idx);

    // add the default flag

    QPixmap hwFlag("physfs://Graphics/Flags/hedgewars.png");

    CBFlag->addItem(QIcon(hwFlag.copy(0, 0, 22, 15)), "Hedgewars", "hedgewars");

    // add seperator after

    CBFlag->insertSeparator(1);

    int insertAt = 2; // insert country flags after Hedgewars flag and seperator

    // add all country flags

    foreach (const QString & file, list)

    {

        QIcon icon(QPixmap("physfs://Graphics/Flags/" + file));

        QString flag = QString(file).remove(pngSuffix);

        bool isCountryFlag = !file.startsWith("cm_");

        if (isCountryFlag)

        {

            CBFlag->insertItem(insertAt, icon, flag.replace("_", " "), flag);

            insertAt++;

        }

        else // append community flags at end

            CBFlag->addItem(icon, flag.replace("cm_", QComboBox::tr("Community") + ": "), flag);

    }

    // add separator between country flags and community flags

    CBFlag->insertSeparator(insertAt);

}

void PageEditTeam::fixHHname(int idx)

{

    HHNameEdit[idx]->setText(HHNameEdit[idx]->text().trimmed());

    if (HHNameEdit[idx]->text().isEmpty())

        HHNameEdit[idx]->setText(QLineEdit::tr("hedgehog %1").arg(idx+1));

}

void PageEditTeam::CBFort_activated(const int index)

{

    QString fortName = CBFort->itemData(index).toString();

    QPixmap pix("physfs://Forts/" + fortName + "L.png");

    FortPreview->setPixmap(pix);

}

void PageEditTeam::CBTeamLvl_activated(const int index)

{

    CBFlag->setHidden(index != 0);

    btnRandomFlag->setHidden(index != 0);

    if(index > 0) 

    {

        int cpuLevel = 6 - index;

        CPUFlag->setPixmap(pixCPU[cpuLevel - 1]);

        //: Name of a flag for computer-controlled enemies. %1 is replaced with the computer level

        CPUFlagLabel->setText(tr("CPU %1").arg(cpuLevel));

    }

    hboxCPUWidget->setHidden(index == 0);

}

void PageEditTeam::testSound()

{

    DataManager & dataMgr = DataManager::instance();

    QString voiceDir = QString("Sounds/voices/") + CBVoicepack->currentText();

    QStringList list = dataMgr.entryList(

                           voiceDir,

                           QDir::Files,

                           QStringList() <<

                           "Illgetyou.ogg" <<

                           "Incoming.ogg" <<

                           "Stupid.ogg" <<

                           "Coward.ogg" <<

                           "Firstblood.ogg"

                       );

    if (!list.isEmpty())

        SDLInteraction::instance().playSoundFile("/" + voiceDir + "/" +

                                    list[rand() % list.size()]);

}

void PageEditTeam::createTeam(const QString & name, const QString & playerHash)

{

    m_playerHash = playerHash;

    lazyLoad();

    OldTeamName = name;

    // Mostly create a default team, with 2 important exceptions:

    HWTeam newTeam(name);

    // Randomize grave to make it less likely that default teams have equal graves (important for resurrector)

    HWNamegen::teamRandomGrave(newTeam, false);

    // Randomize fort for greater variety in fort mode with default teams

    HWNamegen::teamRandomFort(newTeam, false);

    // DLC forts and graves intentionally filtered out to prevent desyncs and missing grave error

    // TODO: Remove DLC filter as soon it is not needed anymore

    loadTeam(newTeam);

}

void PageEditTeam::editTeam(const QString & name, const QString & playerHash)

{

    m_playerHash = playerHash;

    lazyLoad();

    OldTeamName = name;

    HWTeam team(name);

    team.loadFromFile();

    loadTeam(team);