/* ============================================================
*
* This file is a part of the rekonq project
*
* Copyright (C) 2010-2011 by Yoann Laissus <yoann dot laissus at gmail dot com>
* Copyright (C) 2012 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/>.
*
* ============================================================ */


// Auto Includes
#include "bookmarkwidget.h"
#include "bookmarkwidget.moc"

// Local includes
#include "application.h"
#include "bookmarkmanager.h"
#include "bookmarkowner.h"

// KDE Includes
#include <KComboBox>
#include <KLocalizedString>
#include <KIcon>
#include <KLineEdit>
#include <KRatingWidget>

// Qt Includes
#include <QtGui/QDialogButtonBox>
#include <QtGui/QFormLayout>
#include <QtGui/QLabel>
#include <QtGui/QPushButton>
#include <QCompleter>
#include <QTextCursor>

// Nepomuk config include
#include "../config-nepomuk.h"

#ifdef HAVE_NEPOMUK
    // Local Nepomuk Includes
    #include "resourcelinkdialog.h"

    //Nepomuk Includes
    #include <Soprano/Vocabulary/NAO>
#endif



BookmarkWidget::BookmarkWidget(const KBookmark &bookmark, QWidget *parent)
    : QMenu(parent)
    , m_bookmark(new KBookmark(bookmark))
{
    setAttribute(Qt::WA_DeleteOnClose);
    setFixedWidth(320);

#ifdef HAVE_NEPOMUK
    m_nfoResource = (QUrl)m_bookmark->url();
#endif
    
    QFormLayout *layout = new QFormLayout(this);
    layout->setHorizontalSpacing(20);

    // Title
    QHBoxLayout *hLayout = new QHBoxLayout;
    QLabel *bookmarkInfo = new QLabel(this);
    bookmarkInfo->setText(i18n(" Bookmark"));
    QFont f = bookmarkInfo->font();
    f.setBold(true);
    bookmarkInfo->setFont(f);

    // Remove button
    QLabel *removeLabel = new QLabel( this );
    removeLabel->setText( i18n( "<a href='Remove'>Remove</a>" ) );
    removeLabel->setAlignment( Qt::AlignRight );
    hLayout->addWidget(bookmarkInfo);
    hLayout->addWidget(removeLabel);
    layout->addRow(hLayout);

    connect(removeLabel, SIGNAL( linkActivated(QString) ), this, SLOT( removeBookmark() ));

    //Bookmark Folder
    QLabel *folderLabel = new QLabel(this);
    folderLabel->setText(i18n("Folder:"));

    m_folder = new KComboBox(this);
    layout->addRow(folderLabel, m_folder);
    setupFolderComboBox();

    // Bookmark name
    QLabel *nameLabel = new QLabel(this);
    nameLabel->setText(i18n("Name:"));
    m_name = new KLineEdit(this);
    if (m_bookmark->isNull())
    {
        m_name->setEnabled(false);
    }
    else
    {
        m_name->setText(m_bookmark->text());
        m_name->setFocus();
    }
    layout->addRow(nameLabel, m_name);

#ifdef HAVE_NEPOMUK
    QLabel* rateLabel = new QLabel(this);
    rateLabel->setText( i18n( "Rate:" ) );
    KRatingWidget *ratingWidget = new KRatingWidget( this );
    if( m_nfoResource.rating() != NULL ) {
        ratingWidget->setRating( m_nfoResource.rating() );
    }
    connect( ratingWidget, SIGNAL( ratingChanged( int ) ), this, SLOT( setRatingSlot( int ) ) );
    ratingWidget->setToolTip( i18n( "Rate this page" ) );
    layout->addRow( rateLabel,ratingWidget );

    //Add comments
    QLabel *commentLabel = new QLabel( this );
    commentLabel->setText( i18n( "Describe:" ) );
    commentLabel->setAlignment( Qt::AlignCenter );
    m_commentEdit = new QPlainTextEdit( this );
    if( !m_nfoResource.description().isEmpty() ) {
        m_commentEdit->setPlainText( m_nfoResource.description() );
    }
    connect( m_commentEdit, SIGNAL(textChanged()), this, SLOT(addCommentSlot()) );
    layout->addRow( commentLabel, m_commentEdit );

    // Create tags
    QLabel *tagLabel = new QLabel( this );
    tagLabel->setText( i18n( "Tags:" ) );
    tagLabel->setAlignment( Qt::AlignLeft );
    m_tagLine = new KLineEdit( this );
    m_tagLine->setPlaceholderText( i18n( "add tags(comma separated)" ) );


    QList<Nepomuk::Tag> tagList = Nepomuk::Tag::allTags();
    Q_FOREACH(Nepomuk::Tag t,tagList) {
        m_tList.append(t.label());
    }
    QCompleter *completeTag = new QCompleter( m_tList );
    completeTag->setCompletionMode(QCompleter::PopupCompletion);
    m_tagLine->setCompleter(completeTag);
    loadTags();

    layout->addRow(tagLabel,m_tagLine);

    QPushButton *linkToResource = new QPushButton( this );
    linkToResource->setText( i18n( "Link Resources" ) );
    connect(linkToResource, SIGNAL(clicked()), this, SLOT( linkToResourceSlot() ) );
    layout->addWidget(linkToResource);
#endif
    
    // Ok & Cancel buttons
    QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel, Qt::Horizontal, this);
    connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
    connect(buttonBox, SIGNAL(rejected()), this, SLOT(close()));
    layout->addWidget(buttonBox);
}


BookmarkWidget::~BookmarkWidget()
{
    delete m_bookmark;
}


void BookmarkWidget::showAt(const QPoint &pos)
{
    adjustSize();

    QPoint p(pos.x() - width(), pos.y() + 10);
    move(p);
    show();
}


void BookmarkWidget::accept()
{
    if (!m_bookmark->isNull() && m_name->text() != m_bookmark->fullText())
    {
        m_bookmark->setFullText(m_name->text());
        rApp->bookmarkManager()->emitChanged();
    }
    QString folderAddress = m_folder->itemData(m_folder->currentIndex()).toString();
    KBookmarkGroup a = rApp->bookmarkManager()->manager()->findByAddress(folderAddress).toGroup();

    KBookmarkGroup parent = m_bookmark->parentGroup();
    parent.deleteBookmark(*m_bookmark);
    a.addBookmark(*m_bookmark);
    rApp->bookmarkManager()->manager()->emitChanged(a);

#ifdef HAVE_NEPOMUK
    parseTags();
#endif
    
    close();
}


void BookmarkWidget::setupFolderComboBox()
{
    KBookmarkGroup root = rApp->bookmarkManager()->manager()->toolbar();

    if (rApp->bookmarkManager()->manager()->toolbar().address() == rApp->bookmarkManager()->manager()->root().address())
    {
        m_folder->addItem(i18n("Bookmark Toolbar"),
                          rApp->bookmarkManager()->manager()->toolbar().address());
    }
    else
    {
        m_folder->addItem(rApp->bookmarkManager()->manager()->toolbar().text(),
                          rApp->bookmarkManager()->manager()->toolbar().address());
    }
    m_folder->insertSeparator(1);

    if (m_bookmark->parentGroup().address() != rApp->bookmarkManager()->manager()->toolbar().address())
    {
        m_folder->addItem(m_bookmark->parentGroup().text(),
                          m_bookmark->parentGroup().address());
        m_folder->insertSeparator(3);
    }

    for (KBookmark bookmark = root.first(); !bookmark.isNull(); bookmark = root.next(bookmark))
    {
        if (bookmark.isGroup())
        {
            m_folder->addItem(bookmark.text(), bookmark.address());
        }
    }

    if (m_bookmark->parentGroup().address() == root.address())
    {
        m_folder->setCurrentIndex(0);
    }
    else
    {
        int index = m_folder->findText(m_bookmark->parentGroup().text());
        m_folder->setCurrentIndex(index);
    }
}


void BookmarkWidget::removeBookmark()
{
    rApp->bookmarkManager()->owner()->deleteBookmark(*m_bookmark);
    close();

    emit updateIcon();
}


#ifdef HAVE_NEPOMUK
    void BookmarkWidget::addTags(QList<Nepomuk::Tag> tagList)
    {
        foreach ( const Nepomuk::Tag &tag,tagList)
        {
            if (!m_nfoResource.tags().contains(tag))
            {
                m_nfoResource.addTag(tag);
            }
        }
        foreach ( Nepomuk::Tag tag,m_nfoResource.tags())
        {
            if (!tagList.contains(tag))
            {
                tag.remove();
            }
        }
    }

    void BookmarkWidget::parseTags()
    {
        QList<Nepomuk::Tag> tagList;
        if(m_tagLine->text().contains(','))
        {
            QString text = m_tagLine->text();
            QStringList tagStringList = text.split( QChar::fromAscii(',') );

            foreach( const QString &tag, tagStringList )
            {
                QString trimmedTag = tag.trimmed();
                if (!trimmedTag.isEmpty())
                    tagList << trimmedTag;
                }
        }
        else
        {
            tagList << m_tagLine->text().trimmed();
        }
        addTags(tagList);
    }

    
    void BookmarkWidget::loadTags()
    {
        QString list;
        if(!m_nfoResource.tags().isEmpty())
        {
            foreach( const Nepomuk::Tag &tag, m_nfoResource.tags() )
            {
                list.append(tag.genericLabel());
                list.append(",");
            }
            m_tagLine->setText(list);
        }
    }

    
    void BookmarkWidget::setRatingSlot( int rate )
    {
        m_nfoResource.setRating(rate);
    }

    
    void BookmarkWidget::addCommentSlot()
    {
        m_nfoResource.setDescription(m_commentEdit->toPlainText());
    }


    void BookmarkWidget::linkToResourceSlot()
    {
        Nepomuk::ResourceLinkDialog r( m_nfoResource );
        r.exec();
    }
#endif