/* This file is part of Clementine.
   Copyright 2010, David Sansome <me@davidsansome.com>

   Clementine 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 3 of the License, or
   (at your option) any later version.

   Clementine 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 Clementine.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "fileviewlist.h"

#include <QContextMenuEvent>
#include <QFileSystemModel>
#include <QMenu>
#include <QtDebug>

#include "core/mimedata.h"
#include "core/utilities.h"
#include "ui/iconloader.h"

FileViewList::FileViewList(QWidget* parent)
    : QListView(parent), menu_(new QMenu(this)) {
  menu_->addAction(IconLoader::Load("media-playback-start", IconLoader::Base),
                   tr("Append to current playlist"), this,
                   SLOT(AddToPlaylistSlot()));
  menu_->addAction(IconLoader::Load("media-playback-start", IconLoader::Base),
                   tr("Replace current playlist"), this, SLOT(LoadSlot()));
  menu_->addAction(IconLoader::Load("document-new", IconLoader::Base),
                   tr("Open in new playlist"), this,
                   SLOT(OpenInNewPlaylistSlot()));
  menu_->addSeparator();
  menu_->addAction(IconLoader::Load("edit-copy", IconLoader::Base),
                   tr("Copy to library..."), this, SLOT(CopyToLibrarySlot()));
  menu_->addAction(IconLoader::Load("go-jump", IconLoader::Base),
                   tr("Move to library..."), this, SLOT(MoveToLibrarySlot()));
  menu_->addAction(
      IconLoader::Load("multimedia-player-ipod-mini-blue", IconLoader::Base),
      tr("Copy to device..."), this, SLOT(CopyToDeviceSlot()));
  menu_->addAction(IconLoader::Load("edit-delete", IconLoader::Base),
                   tr("Delete from disk..."), this, SLOT(DeleteSlot()));

  menu_->addSeparator();
  menu_->addAction(IconLoader::Load("edit-rename", IconLoader::Base),
                   tr("Edit track information..."), this, SLOT(EditTagsSlot()));
  menu_->addAction(IconLoader::Load("document-open-folder", IconLoader::Base),
                   tr("Show in file browser..."), this, SLOT(ShowInBrowser()));

  setAttribute(Qt::WA_MacShowFocusRect, false);
}

void FileViewList::contextMenuEvent(QContextMenuEvent* e) {
  menu_selection_ = selectionModel()->selection();

  menu_->popup(e->globalPos());
  e->accept();
}

QList<QUrl> FileViewList::UrlListFromSelection() const {
  QList<QUrl> urls;
  for (const QModelIndex& index : menu_selection_.indexes()) {
    if (index.column() == 0)
      urls << QUrl::fromLocalFile(static_cast<QFileSystemModel*>(model())
                                      ->fileInfo(index)
                                      .canonicalFilePath());
  }
  return urls;
}

MimeData* FileViewList::MimeDataFromSelection() const {
  MimeData* data = new MimeData;
  data->setUrls(UrlListFromSelection());

  QList<QString> filenames = FilenamesFromSelection();
  // if just one folder selected - use it's path as the new playlist's name
  if (filenames.size() == 1 && QFileInfo(filenames.first()).isDir()) {
    data->name_for_new_playlist_ = filenames.first();
    // otherwise, use the current root path
  } else {
    data->name_for_new_playlist_ =
        static_cast<QFileSystemModel*>(model())->rootPath();
  }

  return data;
}

QStringList FileViewList::FilenamesFromSelection() const {
  QStringList filenames;
  for (const QModelIndex& index : menu_selection_.indexes()) {
    if (index.column() == 0)
      filenames << static_cast<QFileSystemModel*>(model())->filePath(index);
  }
  return filenames;
}

void FileViewList::LoadSlot() {
  MimeData* data = MimeDataFromSelection();
  data->clear_first_ = true;
  emit AddToPlaylist(data);
}

void FileViewList::AddToPlaylistSlot() {
  emit AddToPlaylist(MimeDataFromSelection());
}

void FileViewList::OpenInNewPlaylistSlot() {
  MimeData* data = MimeDataFromSelection();
  data->open_in_new_playlist_ = true;
  emit AddToPlaylist(data);
}

void FileViewList::CopyToLibrarySlot() {
  emit CopyToLibrary(UrlListFromSelection());
}

void FileViewList::MoveToLibrarySlot() {
  emit MoveToLibrary(UrlListFromSelection());
}

void FileViewList::CopyToDeviceSlot() {
  emit CopyToDevice(UrlListFromSelection());
}

void FileViewList::DeleteSlot() { emit Delete(FilenamesFromSelection()); }

void FileViewList::EditTagsSlot() { emit EditTags(UrlListFromSelection()); }

void FileViewList::mousePressEvent(QMouseEvent* e) {
  switch (e->button()) {
    case Qt::XButton1:
      emit Back();
      break;
    case Qt::XButton2:
      emit Forward();
      break;
    // enqueue to playlist with middleClick
    case Qt::MidButton: {
      QListView::mousePressEvent(e);

      // we need to update the menu selection
      menu_selection_ = selectionModel()->selection();

      MimeData* data = new MimeData;
      data->setUrls(UrlListFromSelection());
      data->enqueue_now_ = true;
      emit AddToPlaylist(data);
      break;
    }
    default:
      QListView::mousePressEvent(e);
      break;
  }
}

void FileViewList::ShowInBrowser() {
  Utilities::OpenInFileBrowser(UrlListFromSelection());
}