/*
 * Copyright 2006 John M Bell <jmb202@ecs.soton.ac.uk>
 *
 * This file is part of NetSurf, http://www.netsurf-browser.org/
 *
 * NetSurf 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; version 2 of the License.
 *
 * NetSurf 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/>.
 */

/** \file
 * Unified URL information database (interface)
 */

#ifndef _NETSURF_CONTENT_URLDB_H_
#define _NETSURF_CONTENT_URLDB_H_

#include <stdbool.h>
#include <time.h>
#include "content/content.h"
#include "content/content_type.h"

typedef enum {
	COOKIE_NETSCAPE = 0,
	COOKIE_RFC2109 = 1,
	COOKIE_RFC2965 = 2
} cookie_version;

struct url_data {
	const char *title;		/**< Resource title */
	unsigned int visits;		/**< Visit count */
	time_t last_visit;		/**< Last visit time */
	content_type type;		/**< Type of resource */
};

struct cookie_data {
	const char *name;		/**< Cookie name */
	const char *value;		/**< Cookie value */
	const bool value_was_quoted;	/**< Value was quoted in Set-Cookie: */
	const char *comment;		/**< Cookie comment */
	const bool domain_from_set;	/**< Domain came from Set-Cookie: header */
	const char *domain;		/**< Domain */
	const bool path_from_set;	/**< Path came from Set-Cookie: header */
	const char *path;		/**< Path */
	const time_t expires;		/**< Expiry timestamp, or 1 for session */
	const time_t last_used;		/**< Last used time */
	const bool secure;		/**< Only send for HTTPS requests */
	cookie_version version;		/**< Specification compliance */
	const bool no_destroy;		/**< Never destroy this cookie,
				 	* unless it's expired */

	const struct cookie_data *prev;	/**< Previous in list */
	const struct cookie_data *next;	/**< Next in list */
};

struct bitmap;

/* Destruction */
void urldb_destroy(void);

/* Persistence support */
void urldb_load(const char *filename);
void urldb_save(const char *filename);
void urldb_set_url_persistence(const char *url, bool persist);

/* URL insertion */
bool urldb_add_url(const char *url);
struct host_part *urldb_add_host(const char *host);
struct path_data *urldb_add_path(const char *scheme,
		unsigned int port, const struct host_part *host,
		const char *path, const char *query, const char *fragment,
		const char *url);

/* URL data modification / lookup */
void urldb_set_url_title(const char *url, const char *title);
void urldb_set_url_content_type(const char *url, content_type type);
void urldb_update_url_visit_data(const char *url);
void urldb_reset_url_visit_data(const char *url);
const struct url_data *urldb_get_url_data(const char *url);
const char *urldb_get_url(const char *url);

/* Authentication modification / lookup */
void urldb_set_auth_details(const char *url, const char *realm,
		const char *auth);
const char *urldb_get_auth_details(const char *url, const char *realm);

/* SSL certificate permissions */
void urldb_set_cert_permissions(const char *url, bool permit);
bool urldb_get_cert_permissions(const char *url);

/* Thumbnail handling */
void urldb_set_thumbnail(const char *url, struct bitmap *bitmap);
struct bitmap *urldb_get_thumbnail(const char *url);

/* URL completion */
void urldb_iterate_partial(const char *prefix,
		bool (*callback)(const char *url,
		const struct url_data *data));

/* Iteration */
void urldb_iterate_entries(bool (*callback)(const char *url,
		const struct url_data *data));
void urldb_iterate_cookies(bool (*callback)(const struct cookie_data *cookie));

/* Debug */
void urldb_dump(void);

/* Cookies */
bool urldb_set_cookie(const char *header, const char *url,
		const char *referer);
char *urldb_get_cookie(const char *url);
void urldb_delete_cookie(const char *domain, const char *path, const char *name);
void urldb_load_cookies(const char *filename);
void urldb_save_cookies(const char *filename);

#endif
