/*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2004-2012 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 "pageplayrecord.h"

#include <QFont>

#include <QGridLayout>

#include <QPushButton>

#include <QListWidget>

#include <QListWidgetItem>

#include <QFileInfo>

#include <QMessageBox>

#include <QInputDialog>

#include "hwconsts.h"

#include "DataManager.h"

QLayout * PagePlayDemo::bodyLayoutDefinition()

{

    QGridLayout * pageLayout = new QGridLayout();

    pageLayout->setColumnStretch(0, 1);

    pageLayout->setColumnStretch(1, 2);

    pageLayout->setColumnStretch(2, 1);

    pageLayout->setRowStretch(2, 100);

    BtnPlayDemo = new QPushButton(this);

    BtnPlayDemo->setFont(*font14);

    BtnPlayDemo->setText(QPushButton::tr("Play demo"));

    pageLayout->addWidget(BtnPlayDemo, 3, 2);

    BtnRenameRecord = new QPushButton(this);

    BtnRenameRecord->setText(QPushButton::tr("Rename"));

    pageLayout->addWidget(BtnRenameRecord, 0, 2);

    BtnRemoveRecord = new QPushButton(this);

    BtnRemoveRecord->setText(QPushButton::tr("Delete"));

    pageLayout->addWidget(BtnRemoveRecord, 1, 2);

    DemosList = new QListWidget(this);

    DemosList->setGeometry(QRect(170, 10, 311, 311));

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

    return pageLayout;

}

void PagePlayDemo::connectSignals()

{

    connect(BtnRenameRecord, SIGNAL(clicked()), this, SLOT(renameRecord()));

    connect(BtnRemoveRecord, SIGNAL(clicked()), this, SLOT(removeRecord()));

    connect(&DataManager::instance(), SIGNAL(updated()), this, SLOT(refresh()));

}

PagePlayDemo::PagePlayDemo(QWidget* parent) : AbstractPage(parent)

{

    initPage();

}

void PagePlayDemo::FillFromDir(RecordType rectype)

{

    QDir dir;

    QString extension;

    recType = rectype;

    dir.cd(cfgdir->absolutePath());

    if (rectype == RT_Demo)

    {

        dir.cd("Demos");

        extension = "hwd";

        BtnPlayDemo->setText(QPushButton::tr("Play demo"));

    }

    else

    {

        dir.cd("Saves");

        extension = "hws";

        BtnPlayDemo->setText(QPushButton::tr("Load"));

    }

    dir.setFilter(QDir::Files);

    QStringList sl = dir.entryList(QStringList(QString("*.%2.%1").arg(extension, *cProtoVer)));

    sl.replaceInStrings(QRegExp(QString("^(.*)\\.%2\\.%1$").arg(extension, *cProtoVer)), "\\1");

    DemosList->clear();

    DemosList->addItems(sl);

    for (int i = 0; i < DemosList->count(); ++i)

    {

        DemosList->item(i)->setData(Qt::UserRole, dir.absoluteFilePath(QString("%1.%3.%2").arg(sl[i], extension, *cProtoVer)));

        DemosList->item(i)->setIcon(recType == RT_Demo ? QIcon(":/res/file_demo.png") : QIcon(":/res/file_save.png"));

    }

}

void PagePlayDemo::refresh()

{

    if (this->isVisible())

        FillFromDir(recType);

}

void PagePlayDemo::renameRecord()

{

    QListWidgetItem * curritem = DemosList->currentItem();

    if (!curritem)

    {

        QMessageBox::critical(this,

                              tr("Error"),

                              tr("Please select record from the list"),

                              tr("OK"));

        return ;

    }

    QFile rfile(curritem->data(Qt::UserRole).toString());

    QFileInfo finfo(rfile);

    bool ok;

    QString newname = QInputDialog::getText(this, tr("Rename dialog"), tr("Enter new file name:"), QLineEdit::Normal, finfo.completeBaseName().replace("." + *cProtoVer, ""), &ok);

    if(ok && newname.size())

    {

        QString newfullname = QString("%1/%2.%3.%4")

                              .arg(finfo.absolutePath())

                              .arg(newname)

                              .arg(*cProtoVer)

                              .arg(finfo.suffix());

        ok = rfile.rename(newfullname);

        if(!ok)

            QMessageBox::critical(this, tr("Error"), tr("Cannot rename to") + newfullname);

        else

            FillFromDir(recType);

    }

}

void PagePlayDemo::removeRecord()

{

    QListWidgetItem * curritem = DemosList->currentItem();

    if (!curritem)

    {

        QMessageBox::critical(this,

                              tr("Error"),

                              tr("Please select record from the list"),

                              tr("OK"));

        return ;

    }

    QFile rfile(curritem->data(Qt::UserRole).toString());

    bool ok;

    ok = rfile.remove();

    if(!ok)

        QMessageBox::critical(this, tr("Error"), tr("Cannot delete file"));

    else

    {

        int i = DemosList->row(curritem);

        delete curritem;

        DemosList->setCurrentRow(i < DemosList->count() ? i : DemosList->count() - 1);

    }

}

bool PagePlayDemo::isSave()

{

    return recType == RT_Save;

}