/*
 * Copyright 2014 (c) Anna Schumaker.
 */
#include <core/string.h>
#include <core/tags/artist.h>


static struct database artist_db;

static struct artist *__artist_alloc(gchar *name)
{
	struct artist *artist = g_malloc(sizeof(struct artist));

	dbe_init(&artist->ar_dbe, artist);
	artist->ar_name     = name;
	artist->ar_lower    = string_lowercase(name);
	artist->ar_playlist = NULL;

	return artist;
}


static struct db_entry *artist_alloc(const gchar *name)
{
	return &__artist_alloc(g_strdup(name))->ar_dbe;
}

static void artist_free(struct db_entry *dbe)
{
	g_free(ARTIST(dbe)->ar_lower);
	g_free(ARTIST(dbe));
}

static gchar *artist_key(struct db_entry *dbe)
{
	return ARTIST(dbe)->ar_name;
}

struct db_entry *artist_read(struct file *file)
{
	return &__artist_alloc(file_readl(file))->ar_dbe;
}

static void artist_write(struct file *file, struct db_entry *dbe)
{
	file_writef(file, "%s", ARTIST(dbe)->ar_name);
}


static const struct db_ops artist_ops = {
	artist_alloc,
	artist_free,
	artist_key,
	artist_read,
	NULL,
	artist_write,
};


void artist_db_init()
{
	db_init(&artist_db, "artist.db", true, &artist_ops);
	db_load_idle(&artist_db);
}

void artist_db_deinit()
{
	db_deinit(&artist_db);
}

struct artist *artist_find(const gchar *name)
{
	return ARTIST(db_find(&artist_db, name));
}

struct artist *artist_lookup(const gchar *name)
{
	return ARTIST(db_get(&artist_db, name));
}

struct artist *artist_get(const unsigned int index)
{
	return ARTIST(db_at(&artist_db, index));
}

int artist_compare(struct artist *lhs, struct artist *rhs)
{
	return string_compare(lhs->ar_lower, rhs->ar_lower);
}

#ifdef CONFIG_TESTING
const struct db_ops *test_artist_ops() { return &artist_ops; }
#endif /* CONFIG_TESTING */