/*
 * playlist_model.h
 * Copyright 2014 Michał Lipski
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions, and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions, and the following disclaimer in the documentation
 *    provided with the distribution.
 *
 * This software is provided "as is" and without any warranty, express or
 * implied. In no event shall the authors be liable for any damages arising from
 * the use of this software.
 */

#ifndef PLAYLIST_MODEL_H
#define PLAYLIST_MODEL_H

#include <QAbstractListModel>
#include <QSortFilterProxyModel>

#include <libaudcore/playlist.h>

class PlaylistModel : public QAbstractListModel
{
public:
    enum
    {
        EntryNumber,
        Title,
        Artist,
        Year,
        Album,
        AlbumArtist,
        Track,
        Genre,
        QueuePos,
        Length,
        Path,
        Filename,
        CustomTitle,
        Bitrate,
        Comment,
        Publisher,
        CatalogNum,
        Disc,
        n_cols
    };

    static const char * const labels[];

    PlaylistModel(QObject * parent, Playlist playlist);

    int rowCount(const QModelIndex & parent = QModelIndex()) const;
    int columnCount(const QModelIndex & parent = QModelIndex()) const;
    QVariant data(const QModelIndex & index, int role = Qt::DisplayRole) const;
    QVariant headerData(int section, Qt::Orientation orientation,
                        int role = Qt::DisplayRole) const;

    Qt::ItemFlags flags(const QModelIndex & index) const;

    QStringList mimeTypes() const;
    QMimeData * mimeData(const QModelIndexList & indexes) const;
    bool dropMimeData(const QMimeData * data, Qt::DropAction action, int row,
                      int column, const QModelIndex & parent);

    void entriesAdded(int row, int count);
    void entriesRemoved(int row, int count);
    void entriesChanged(int row, int count);

    void setFont(const QFont & font);
    void setPlayingCol(int playing_col);

private:
    Playlist m_playlist;
    int m_rows;
    QFont m_bold;
    int m_playing_col = -1;

    QVariant alignment(int col) const;
    QString queuePos(int row) const;
    QString filename(const Tuple & tuple) const;
};

class PlaylistProxyModel : public QSortFilterProxyModel
{
public:
    PlaylistProxyModel(QObject * parent, Playlist playlist)
        : QSortFilterProxyModel(parent), m_playlist(playlist)
    {
    }

    void setFilter(const char * filter);

private:
    bool filterAcceptsRow(int source_row, const QModelIndex &) const;

    Playlist m_playlist;
    Index<String> m_searchTerms;
};

#endif
