/**
 * Copyright 2014 (c) Anna Schumaker.
 */
extern "C" {
#include <core/string.h>
}
#include <core/tags/genre.h>


static struct database genre_db;

genre :: genre() {}

static struct db_entry *genre_alloc(const gchar *name)
{
	struct genre *genre = new struct genre;
	gchar *lower = string_lowercase(name);

	genre->ge_name  = name;
	genre->ge_lower = lower;

	g_free(lower);
	return genre;
}

static void genre_free(struct db_entry *dbe)
{
	delete (struct genre *)dbe;
}

static gchar *genre_key(struct db_entry *dbe)
{
	struct genre *genre = (struct genre *)dbe;
	return g_strdup_printf(genre->ge_name.c_str());
}

static struct db_entry *genre_read(struct file *file)
{
	gchar *name = file_readl(file);
	struct genre *genre = (struct genre *)genre_alloc(name);
	g_free(name);
	return genre;
}

static void genre_write(struct file *file, struct db_entry *dbe)
{
	struct genre *genre = (struct genre *)dbe;
	file_writef(file, "%s", genre->ge_name.c_str());
}


static const struct db_ops genre_ops = {
	genre_alloc,
	genre_free,
	genre_key,
	genre_read,
	NULL,
	genre_write,
};


void genre_db_init()
{
	db_init(&genre_db, "genre.db", true, &genre_ops);
	db_load(&genre_db);
}

void genre_db_deinit()
{
	db_deinit(&genre_db);
}

struct genre *genre_find(const std::string &name)
{
	return GENRE(db_find(&genre_db, name.c_str()));
}

struct genre *genre_get(const unsigned int index)
{
	return GENRE(db_at(&genre_db, index));
}

int genre_compare(struct genre *lhs, struct genre *rhs)
{
	return string_compare(lhs->ge_lower.c_str(), rhs->ge_lower.c_str());
}

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