/***************************************************************************
*   Copyright (C) 2005-09 by the Quassel Project                          *
*   devel@quassel-irc.org                                                 *
*                                                                         *
*   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.                                           *
*                                                                         *
*   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 <QFileDialog>

#include <phonon/mediaobject.h>

#include "phononnotificationbackend.h"

#include "clientsettings.h"
#include "iconloader.h"
#include "mainwin.h"
#include "qtui.h"

PhononNotificationBackend::PhononNotificationBackend(QObject *parent)
  : AbstractNotificationBackend(parent),
  _media(0)
{
  NotificationSettings notificationSettings;
  _enabled = notificationSettings.value("Phonon/Enabled", true).toBool();
  createMediaObject(notificationSettings.value("Phonon/AudioFile", QString()).toString());

  notificationSettings.notify("Phonon/Enabled", this, SLOT(enabledChanged(const QVariant &)));
  notificationSettings.notify("Phonon/AudioFile", this, SLOT(audioFileChanged(const QVariant &)));
}

PhononNotificationBackend::~PhononNotificationBackend() {
  if(_media)
    delete _media;
}

void PhononNotificationBackend::notify(const Notification &notification) {
  if(_enabled && _media && (notification.type == Highlight || notification.type == PrivMsg)) {
    _media->stop();
    _media->play();
  }
}

void PhononNotificationBackend::close(uint notificationId) {
  Q_UNUSED(notificationId);
}

void PhononNotificationBackend::enabledChanged(const QVariant &v) {
  _enabled = v.toBool();
}

void PhononNotificationBackend::audioFileChanged(const QVariant &v) {
  createMediaObject(v.toString());
}

SettingsPage *PhononNotificationBackend::createConfigWidget() const {
  return new ConfigWidget();
}

void PhononNotificationBackend::createMediaObject(const QString &file) {
  if(_media)
    delete _media;

  if(file.isEmpty()) {
    _media = 0;
    return;
  }

  _media = Phonon::createPlayer(Phonon::NotificationCategory,
                                Phonon::MediaSource(file));
}

/***************************************************************************/

PhononNotificationBackend::ConfigWidget::ConfigWidget(QWidget *parent)
: SettingsPage("Internal", "PhononNotification", parent),
  audioPreview(0)
{
  ui.setupUi(this);
  ui.play->setIcon(SmallIcon("media-playback-start"));
  ui.open->setIcon(SmallIcon("document-open"));

  connect(ui.enabled, SIGNAL(toggled(bool)), SLOT(widgetChanged()));
  connect(ui.filename, SIGNAL(textChanged(const QString &)), SLOT(widgetChanged()));
}

PhononNotificationBackend::ConfigWidget::~ConfigWidget() {
  if(audioPreview)
    delete audioPreview;
}

void PhononNotificationBackend::ConfigWidget::widgetChanged() {
  ui.play->setEnabled(ui.enabled->isChecked() && !ui.filename->text().isEmpty());

  bool changed = (enabled != ui.enabled->isChecked()
               || filename != ui.filename->text());

  if(changed != hasChanged()) setChangedState(changed);
}

bool PhononNotificationBackend::ConfigWidget::hasDefaults() const {
  return true;
}

void PhononNotificationBackend::ConfigWidget::defaults() {
  ui.enabled->setChecked(false);
  ui.filename->setText(QString());
  widgetChanged();
}

void PhononNotificationBackend::ConfigWidget::load() {
  NotificationSettings s;
  enabled = s.value("Phonon/Enabled", false).toBool();
  filename = s.value("Phonon/AudioFile", QString()).toString();

  ui.enabled->setChecked(enabled);
  ui.filename->setText(filename);

  setChangedState(false);
}

void PhononNotificationBackend::ConfigWidget::save() {
  NotificationSettings s;
  s.setValue("Phonon/Enabled", ui.enabled->isChecked());
  s.setValue("Phonon/AudioFile", ui.filename->text());
  load();
}

void PhononNotificationBackend::ConfigWidget::on_open_clicked() {
  QString file = QFileDialog::getOpenFileName(this, tr("Select Audio File"));
  if(!file.isEmpty()) {
    ui.filename->setText(file);
    ui.play->setEnabled(true);
    widgetChanged();
  }
}

void PhononNotificationBackend::ConfigWidget::on_play_clicked() {
  if(!ui.filename->text().isEmpty()) {
    if(audioPreview)
      delete audioPreview;

    audioPreview = Phonon::createPlayer(Phonon::NotificationCategory,
                                        Phonon::MediaSource(ui.filename->text()));
    audioPreview->play();
  }
}
