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


static struct database library_db;


library :: library()
	 : li_size(0), li_enabled(false)
{
}

static struct db_entry *library_alloc(const gchar *path)
{
	struct library *library = new struct library;
	library->li_size    = 0;
	library->li_enabled = true;
	library->li_path    = path;
	return library;
}

static void library_free(struct db_entry *dbe)
{
	delete (struct library *)dbe;
}

static gchar *library_key(struct db_entry *dbe)
{
	struct library *library = (struct library *)dbe;
	return g_strdup_printf(library->li_path.c_str());
}

static struct db_entry *library_read(struct file *file)
{
	struct library *library = new struct library;
	gchar *path;
	int enabled;

	file_readf(file, "%d\n", &enabled);
	library->li_enabled = enabled;

	path  = file_readl(file);
	library->li_path = path;

	g_free(path);
	return library;
}

static void library_write(struct file *file, struct db_entry *dbe)
{
	struct library *library = (struct library *)dbe;
	file_writef(file, "%d %s", library->li_enabled, library->li_path.c_str());
}


static const struct db_ops library_ops = {
	library_alloc,
	library_free,
	library_key,
	library_read,
	NULL,
	library_write,
};


void library_db_init()
{
	db_init(&library_db, "library.db", true, &library_ops);
	db_load(&library_db);
}

void library_db_deinit()
{
	db_deinit(&library_db);
}

const struct database *library_db_get()
{
	return &library_db;
}

struct library *library_find(const std::string &path)
{
	return LIBRARY(db_find(&library_db, path.c_str()));
}

struct library *library_get(const unsigned int index)
{
	return LIBRARY(db_at(&library_db, index));
}

void library_remove(struct library *library)
{
	if (library)
		db_remove(&library_db, library);
}

void library_set_enabled(struct library *library, bool enabled)
{
	library->li_enabled = enabled;
	db_save(&library_db);
}

std::string library_file(struct library *library, const std::string &path)
{
	return library->li_path + "/" + path;
}

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