/*
 * Cantata
 *
 * Copyright (c) 2011-2015 Craig Drummond <craig.p.drummond@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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#include "singlepagewidget.h"
#include "widgets/itemview.h"
#include "widgets/sizewidget.h"
#include "widgets/spacerwidget.h"
#include "widgets/toolbutton.h"
#include "widgets/icons.h"
#include "gui/stdactions.h"
#include "support/localize.h"
#include "mpd-interface/mpdconnection.h"
#include <QGridLayout>
#include <QHBoxLayout>

SinglePageWidget::SinglePageWidget(QWidget *p)
    : QWidget(p)
    , btnFlags(0)
    , refreshAction(0)
    , configureAction(0)
{
    QGridLayout *layout=new QGridLayout(this);
    view=new ItemView(this);
    layout->addWidget(view, 0, 0, 1, 5);
    layout->addItem(new QSpacerItem(0, 0, QSizePolicy::MinimumExpanding, QSizePolicy::Preferred), 1, 1, 1, 1);
    layout->addWidget(new SizeWidget(this), 1, 2, 1, 1);
    layout->addItem(new QSpacerItem(0, 0, QSizePolicy::MinimumExpanding, QSizePolicy::Preferred), 1, 3, 1, 1);
    layout->setMargin(0);
    layout->setSpacing(0);
    connect(view, SIGNAL(searchItems()), this, SIGNAL(searchItems()));
    connect(view, SIGNAL(itemsSelected(bool)), this, SLOT(controlActions()));
    connect(this, SIGNAL(add(const QStringList &, bool, quint8)), MPDConnection::self(), SLOT(add(const QStringList &, bool, quint8)));
    connect(this, SIGNAL(addSongsToPlaylist(const QString &, const QStringList &)), MPDConnection::self(), SLOT(addToPlaylist(const QString &, const QStringList &)));
}

void SinglePageWidget::init(int flags, const QList<QWidget *> &leftXtra, const QList<QWidget *> &rightXtra)
{
    if (0!=btnFlags) {
        return;
    }
    btnFlags=flags;
    QList<QWidget *> left;
    QList<QWidget *> right=rightXtra;

    if (!right.isEmpty()) {
        right << new SpacerWidget(this);
    }
    if (flags&AddToPlayQueue) {
        ToolButton *addToPlayQueue=new ToolButton(this);
        addToPlayQueue->setDefaultAction(StdActions::self()->addToPlayQueueAction);
        right.append(addToPlayQueue);
        view->addAction(StdActions::self()->addToPlayQueueAction);
    }

    if (flags&ReplacePlayQueue) {
        ToolButton *replacePlayQueue=new ToolButton(this);
        replacePlayQueue->setDefaultAction(StdActions::self()->replacePlayQueueAction);
        right.append(replacePlayQueue);
        view->addAction(StdActions::self()->replacePlayQueueAction);
    }

    if (flags&Configure) {
        ToolButton *configureButon=new ToolButton(this);
        configureAction=new Action(Icons::self()->configureIcon, i18n("Configure"), this);
        configureButon->setDefaultAction(configureAction);
        connect(configureAction, SIGNAL(triggered()), this, SLOT(configure()));
        left.prepend(configureButon);
    }

    if (flags&Refresh) {
        ToolButton *refreshButton=new ToolButton(this);
        refreshAction=new Action(Icon("view-refresh"), i18n("Refresh"), this);
        refreshButton->setDefaultAction(refreshAction);
        connect(refreshAction, SIGNAL(triggered()), this, SLOT(refresh()));
        left.prepend(refreshButton);
    }

    left << leftXtra;

    if (flags&AddToPlayQueue) {
        view->addAction(StdActions::self()->addWithPriorityAction);
    }

    connect(this, SIGNAL(searchItems()), this, SLOT(doSearch()));

    if (!left.isEmpty()) {
        QHBoxLayout *ll=new QHBoxLayout();
        foreach (QWidget *b, left) {
            ll->addWidget(b);
        }
        static_cast<QGridLayout *>(layout())->addItem(ll, 1, 0, 1, 1);
    }
    if (!right.isEmpty()) {
        QHBoxLayout *rl=new QHBoxLayout();
        foreach (QWidget *b, right) {
            rl->addWidget(b);
        }
        static_cast<QGridLayout *>(layout())->addItem(rl, 1, 4, 1, 1);
    }
}

void SinglePageWidget::addSelectionToPlaylist(const QString &name, bool replace, quint8 priorty)
{
    QStringList files=selectedFiles(name.isEmpty());
    if (!files.isEmpty()) {
        if (name.isEmpty()) {
            emit add(files, replace, priorty);
        } else {
            emit addSongsToPlaylist(name, files);
        }
        view->clearSelection();
    }
}

void SinglePageWidget::showEvent(QShowEvent *e)
{
    QWidget::showEvent(e);
    controlActions();
}

void SinglePageWidget::setView(int v)
{
    view->setMode((ItemView::Mode)v);
}

void SinglePageWidget::focusSearch()
{
    view->focusSearch();
}

void SinglePageWidget::controlActions()
{
    QModelIndexList selected=view->selectedIndexes(false);
    if (btnFlags&ReplacePlayQueue) {
        StdActions::self()->replacePlayQueueAction->setEnabled(!selected.isEmpty());
    }
    if (btnFlags&AddToPlayQueue) {
        StdActions::self()->addToPlayQueueAction->setEnabled(!selected.isEmpty());
    }
}