/*
 * Copyright 2013 (c) Anna Schumaker.
 *
 * The playlist manager is in charge of the various playlists Ocarina
 * knows about.  This code also manages a special queue used by the GUI
 * to display the tracks in each playlist.
 */
#ifndef OCARINA_CORE_PLAYLIST_H
#define OCARINA_CORE_PLAYLIST_H

#include <core/containers/index.h>
#include <core/queue.h>

enum playlist_t {
	PL_FAVORITED,    /* Songs that the user likes.              */
	PL_HIDDEN,       /* Songs that the user has hidden.         */
	PL_UNPLAYED,     /* Songs that have not been played yet.    */
	PL_MOST_PLAYED,  /* Songs with an above average play count. */
	PL_LEAST_PLAYED, /* Songs with a below average play count.  */
};

/* Called to initialize the playlist manager. */
void playlist_init(struct queue_ops *);

/* Called to deinitialize the playlist manager. */
void playlist_deinit();


/* Called to add a track to a playlist. */
bool playlist_add(enum playlist_t, struct track *);

/* Called to remove a track from a playlist. */
bool playlist_remove(enum playlist_t, struct track *);


/* Called to check if a specific track is in the playlist. */
bool playlist_has(enum playlist_t, struct track *);

/* Called to fill the queue with a specific playlist. */
void playlist_select(enum playlist_t);


/* Called to access the playlist queue. */
struct queue *playlist_get_queue(enum playlist_t);

#endif /* OCARINA_CORE_PLAYLIST_H */