/*
 * Copyright 2008-2011 Various Authors
 * Copyright 2004-2005 Timo Hirvonen
 *
 * 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; if not, see <http://www.gnu.org/licenses/>.
 */

#ifndef _TRACK_INFO_H
#define _TRACK_INFO_H

#include <time.h>
#include <stddef.h>

struct track_info {
	struct keyval *comments;

	// next track_info in the hash table (cache.c)
	struct track_info *next;

	time_t mtime;
	int duration;
	long bitrate;
	char *codec;
	char *codec_profile;
	int ref;
	char *filename;

	int tracknumber;
	int discnumber;
	int date;
	int originaldate;
	double rg_track_gain;
	double rg_track_peak;
	double rg_album_gain;
	double rg_album_peak;
	const char *artist;
	const char *album;
	const char *title;
	const char *genre;
	const char *comment;
	const char *albumartist;
	const char *artistsort;
	const char *albumsort;
	const char *media;

	char *collkey_artist;
	char *collkey_album;
	char *collkey_title;
	char *collkey_genre;
	char *collkey_comment;
	char *collkey_albumartist;

	int is_va_compilation : 1;
};

typedef size_t sort_key_t;

#define SORT_ARTIST        offsetof(struct track_info, collkey_artist)
#define SORT_ALBUM         offsetof(struct track_info, collkey_album)
#define SORT_TITLE         offsetof(struct track_info, collkey_title)
#define SORT_TRACKNUMBER   offsetof(struct track_info, tracknumber)
#define SORT_DISCNUMBER    offsetof(struct track_info, discnumber)
#define SORT_DATE          offsetof(struct track_info, date)
#define SORT_ORIGINALDATE  offsetof(struct track_info, originaldate)
#define SORT_RG_TRACK_GAIN offsetof(struct track_info, rg_track_gain)
#define SORT_RG_TRACK_PEAK offsetof(struct track_info, rg_track_peak)
#define SORT_RG_ALBUM_GAIN offsetof(struct track_info, rg_album_gain)
#define SORT_RG_ALBUM_PEAK offsetof(struct track_info, rg_album_peak)
#define SORT_GENRE         offsetof(struct track_info, collkey_genre)
#define SORT_COMMENT       offsetof(struct track_info, collkey_comment)
#define SORT_ALBUMARTIST   offsetof(struct track_info, collkey_albumartist)
#define SORT_FILENAME      offsetof(struct track_info, filename)
#define SORT_FILEMTIME     offsetof(struct track_info, mtime)
#define SORT_BITRATE       offsetof(struct track_info, bitrate)
#define SORT_CODEC         offsetof(struct track_info, codec)
#define SORT_CODEC_PROFILE offsetof(struct track_info, codec_profile)
#define SORT_MEDIA         offsetof(struct track_info, media)
#define SORT_INVALID       ((sort_key_t) (-1))

#define TI_MATCH_ARTIST       (1 << 0)
#define TI_MATCH_ALBUM        (1 << 1)
#define TI_MATCH_TITLE        (1 << 2)
#define TI_MATCH_ALBUMARTIST  (1 << 3)
#define TI_MATCH_ALL          (~0)

/* initializes only filename and ref */
struct track_info *track_info_new(const char *filename);
void track_info_set_comments(struct track_info *ti, struct keyval *comments);

void track_info_ref(struct track_info *ti);
void track_info_unref(struct track_info *ti);

/*
 * returns: 1 if @ti has any of the following tags: artist, album, title
 *          0 otherwise
 */
int track_info_has_tag(const struct track_info *ti);

/*
 * @flags  fields to search in (TI_MATCH_*)
 *
 * returns: 1 if all words in @text are found to match defined fields (@flags) in @ti
 *          0 otherwise
 */
int track_info_matches(const struct track_info *ti, const char *text, unsigned int flags);

/*
 * @flags            fields to search in (TI_MATCH_*)
 * @exclude_flags    fields which must not match (TI_MATCH_*)
 * @match_all_words  if true, all words must be found in @ti
 *
 * returns: 1 if all/any words in @text are found to match defined fields (@flags) in @ti
 *          0 otherwise
 */
int track_info_matches_full(const struct track_info *ti, const char *text, unsigned int flags,
		unsigned int exclude_flags, int match_all_words);

int track_info_cmp(const struct track_info *a, const struct track_info *b, const sort_key_t *keys);

#endif
