/* ============================================================
*
* This file is a part of the rekonq project
*
* Copyright (C) 2009 by Andrea Diamantini <adjam7 at gmail dot 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; either version 2 of
* the License or (at your option) version 3 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy 
* defined in Section 14 of version 3 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, see <http://www.gnu.org/licenses/>.
*
* ============================================================ */


// Self Includes
#include "homepage.h"
#include "homepage.moc"

// Local Includes
#include "historymodels.h"
#include "bookmarks.h"
#include "application.h"
#include "mainwindow.h"
#include "mainview.h"
#include "websnap.h"

// KDE Includes
#include <KStandardDirs>
#include <KIconLoader>
#include <KDebug>
#include <KConfig>
#include <KConfigGroup>

// Qt Includes
#include <QFile>


HomePage::HomePage(QObject *parent)
    : QObject(parent)
{
    m_homePagePath = KStandardDirs::locate("data", "rekonq/htmls/home.html");
}


HomePage::~HomePage()
{
}


QString HomePage::rekonqHomePage()
{
    QFile file(m_homePagePath);
    bool isOpened = file.open(QIODevice::ReadOnly);
    if (!isOpened)
    {
        kWarning() << "Couldn't open the home.html file";
        return QString("");
    }

    QString speed = speedDial();
    QString search = searchEngines();
    QString closedtabs = recentlyClosedTabs();
    

    QString html = QString(QLatin1String(file.readAll()))
                        .arg(search)
                        .arg(closedtabs)
                        .arg(speed)
                        ;

    return html;
}


QString HomePage::speedDial()
{
    KUrl::List ul ;
    ul << KUrl("http://www.google.com") << KUrl("http://www.kde.org") << KUrl("http://sourceforge.net")
    << KUrl("http://www.slacky.eu") << KUrl("http://kde-apps.org") << KUrl("http://www.kernel.org") 
    << KUrl("http://it.wikipedia.org") << KUrl("http://www.adjam.org") << KUrl("http://wordpress.com");
    
    QString speed = QString();
    for(int i = 0; i< ul.count(); ++i)
    {
        KUrl url = ul.at(i);
        QString fileName = QString("thumb") + QString::number(i) + QString(".png");
        QString path = KStandardDirs::locateLocal("cache", QString("thumbs/") + fileName, true);
        if( !QFile::exists(path) )
        {
            kDebug() << "websnap";
            WebSnap *ws = new WebSnap(url, fileName);
        }
        
        speed += "<div class=\"thumbnail\">";
        speed += "<a href=\"" + url.prettyUrl() + "\">";
        speed += "<img src=\"" + path + "\" width=\"200\" alt=\"" + url.prettyUrl() + "\" />";
        speed += "<br />";
        speed += url.prettyUrl() + "</a></div>";
    }
    return speed;
}


QString HomePage::searchEngines()
{
    QString engines = "<h2>Search Engines</h2>";
    
    KConfig config("kuriikwsfilterrc"); //Share with konqueror
    KConfigGroup cg = config.group("General");
    QStringList favoriteEngines;
    favoriteEngines << "google" << "wikipedia"; //defaults
    favoriteEngines = cg.readEntry("FavoriteSearchEngines", favoriteEngines);

    foreach (const QString &engine, favoriteEngines)
    {
        if(!engine.isEmpty())
        {
            engines += engine + ": <input type=\"text\" name=\"" + engine + "\" /><br />"; 
//             service = KService::serviceByDesktopPath(QString("searchproviders/%1.desktop").arg(engine));
//             const QString searchProviderPrefix = *(service->property("Keys").toStringList().begin()) + keywordDelimiter;
//             data.setData(searchProviderPrefix + "some keyword");
//             a = new KAction(service->name(), this);
//             a->setIcon(Application::icon(KUrl(data.uri())));
//             a->setData(searchProviderPrefix);
//             connect(a, SIGNAL(triggered(bool)), this, SLOT(slotSearch()));
//             searchMenu->addAction(a);
        }
    }
    
    return engines;
}


QString HomePage::recentlyClosedTabs()
{
    QString closed = "<h2>Recently closed tabs</h2>";

    KUrl::List links = Application::instance()->mainWindow()->mainView()->recentlyClosedTabs();
    
    foreach(const KUrl &url, links)
    {
        closed += "<a href=\"" + url.prettyUrl() + "\">" + url.prettyUrl() + "</a><br />";
    }
    return closed;
}

// QString HomePage::fillHistory()
// {
//     QString history = QString();
//     HistoryTreeModel *model = Application::historyManager()->historyTreeModel();
//     
//     int i = 0;
//     do
//     {
//         QModelIndex index = model->index(i, 0, QModelIndex() );
//         if(model->hasChildren(index))
//         {
//             QString s = QString::number(i);
//             history += createSubMenu(index.data().toString(), s);
//             history += "<p id=\"y" + s + "\" class=\"indent\" style=\"display:none\">";
//             for(int j=0; j< model->rowCount(index); ++j)
//             {
//                 QModelIndex son = model->index(j, 0, index );
// // FIXME add an icon to each history item   history += "<img src=\"" + ciao + "\" alt=\"icon\" />";
//                 history += QString("<a href=\"") + son.data(HistoryModel::UrlStringRole).toString() + QString("\">") + 
//                         son.data().toString() + QString("</a><br />");
//             }
//             history += "</p>";
//         }
//         else
//         {
//             history += QString("<p> NO CHILDREN: ") + index.data().toString() + QString("</p>");
//         }
//         i++;
//     }
//     while( model->hasIndex( i , 0 , QModelIndex() ) );
// 
//     return history;
//     
// }
// 
// 
// QString HomePage::fillBookmarks()
// {
//     KBookmarkGroup toolBarGroup = Application::bookmarkProvider()->rootGroup();
//     if (toolBarGroup.isNull())
//     {
//         return QString("Error retrieving bookmarks!");
//     }
// 
//     QString str = QString("");
//     KBookmark bookmark = toolBarGroup.first();
//     while (!bookmark.isNull())
//     {
//         str += createBookItem(bookmark);
//         bookmark = toolBarGroup.next(bookmark);
//     }
//     
//     return str;
// }
// 
// 
// QString HomePage::createSubMenu(const QString &item, const QString &s)
// {
//     QString menu = "<div onClick=\"ToggleVisibility('x" + s + "','y" + s + "')\">";
// 
//     menu += "<p><img id=\"x" + s + "\" src=\"" + m_imagesPath + "closed.png\" /> <b><u>" + item + "</u></b></p></div>";
//     return menu;
// }
// 
// 
// QString HomePage::createBookItem(const KBookmark &bookmark)
// {
//     static int i = 0;
//     
//     if (bookmark.isGroup())
//     {
//         QString result = QString("");
//         QString ss = "b" + QString::number(i);
//         i++;
//         
//         KBookmarkGroup group = bookmark.toGroup();
//         KBookmark bm = group.first();
//         result += createSubMenu( bookmark.text() , ss );
//         result += "<p id=\"y" + ss + "\" class=\"indent\" style=\"display:none\">";
// 
//         while (!bm.isNull())
//         {
//             result += createBookItem(bm);    //menuAction->addAction(fillBookmarkBar(bm));
//             bm = group.next(bm);
//         }
//         result += "</p>";
//         return result;
//     }
//  
//     if(bookmark.isSeparator())
//     {
//         return QString("<hr />");
//     }
//     
//     QString str = ""; // FIXME Add icon "<img src=\"" + KStandardDirs::findResource( "icon", bookmark.icon() + ".png" ) + "\" alt=\"icon\" />";
//     str += "<a href=\"" + bookmark.url().prettyUrl() + "\">" + bookmark.text() + "</a><br />";
//     return str;
// }