/**
 * vim: set ts=4 sw=4 tw=99 noet:
 * =============================================================================
 * SourceMod Client Preferences Extension
 * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.
 * =============================================================================
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, version 3.0, as published by the
 * Free Software Foundation.
 * 
 * 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/>.
 *
 * As a special exception, AlliedModders LLC gives you permission to link the
 * code of this program (as well as its derivative works) to "Half-Life 2," the
 * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
 * by the Valve Corporation.  You must obey the GNU General Public License in
 * all respects for all other code used.  Additionally, AlliedModders LLC grants
 * this exception to all derivative works.  AlliedModders LLC defines further
 * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
 * or <http://www.sourcemod.net/license.php>.
 *
 * Version: $Id$
 */

#ifndef _INCLUDE_SOURCEMOD_EXTENSION_PROPER_H_
#define _INCLUDE_SOURCEMOD_EXTENSION_PROPER_H_

#include <stdlib.h>
#include <stdarg.h>
#include "smsdk_ext.h"
#include "am-vector.h"

#include <am-thread-utils.h>
#include <am-refcounting.h>

char * UTIL_strncpy(char * destination, const char * source, size_t num);

#include "cookie.h"
#include "menus.h"
#include "query.h"

enum DbDriver
{
	Driver_MySQL,
	Driver_SQLite
};

#define MAX_TRANSLATE_PARAMS		32

class TQueryOp;

/**
 * @brief Sample implementation of the SDK Extension.
 * Note: Uncomment one of the pre-defined virtual functions in order to use it.
 */
class ClientPrefs : public SDKExtension
{
public:
	ClientPrefs();
public:
	/**
	 * @brief This is called after the initial loading sequence has been processed.
	 *
	 * @param error		Error message buffer.
	 * @param maxlength	Size of error message buffer.
	 * @param late		Whether or not the module was loaded after map load.
	 * @return			True to succeed loading, false to fail.
	 */
	virtual bool SDK_OnLoad(char *error, size_t maxlength, bool late);

	virtual void SDK_OnDependenciesDropped();

	/**
	 * @brief This is called once all known extensions have been loaded.
	 * Note: It is is a good idea to add natives here, if any are provided.
	 */
	virtual void SDK_OnAllLoaded();

	virtual bool QueryInterfaceDrop(SMInterface *pInterface);

	virtual void NotifyInterfaceDrop(SMInterface *pInterface);

	const char *GetExtensionVerString();
	const char *GetExtensionDateString();

	virtual void OnCoreMapStart(edict_t *pEdictList, int edictCount, int clientMax);
	
	void DatabaseConnect();

	bool AddQueryToQueue(TQueryOp *query);
	void ProcessQueryCache();
	
	void AttemptReconnection();
	void CatchLateLoadClients();
	void ClearQueryCache(int serial);

	/**
	 * @brief Called when the pause state is changed.
	 */
	//virtual void SDK_OnPauseChange(bool paused);

	/**
	 * @brief this is called when Core wants to know if your extension is working.
	 *
	 * @param error		Error message buffer.
	 * @param maxlength	Size of error message buffer.
	 * @return			True if working, false otherwise.
	 */
	//virtual bool QueryRunning(char *error, size_t maxlength);
public:
#if defined SMEXT_CONF_METAMOD
	/**
	 * @brief Called when Metamod is attached, before the extension version is called.
	 *
	 * @param error			Error buffer.
	 * @param maxlength		Maximum size of error buffer.
	 * @param late			Whether or not Metamod considers this a late load.
	 * @return				True to succeed, false to fail.
	 */
	//virtual bool SDK_OnMetamodLoad(ISmmAPI *ismm, char *error, size_t maxlength, bool late);

	/**
	 * @brief Called when Metamod is detaching, after the extension version is called.
	 * NOTE: By default this is blocked unless sent from SourceMod.
	 *
	 * @param error			Error buffer.
	 * @param maxlength		Maximum size of error buffer.
	 * @return				True to succeed, false to fail.
	 */
	//virtual bool SDK_OnMetamodUnload(char *error, size_t maxlength);

	/**
	 * @brief Called when Metamod's pause state is changing.
	 * NOTE: By default this is blocked unless sent from SourceMod.
	 *
	 * @param paused		Pause state being set.
	 * @param error			Error buffer.
	 * @param maxlength		Maximum size of error buffer.
	 * @return				True to succeed, false to fail.
	 */
	//virtual bool SDK_OnMetamodPauseChange(bool paused, char *error, size_t maxlength);
#endif
public:
	IdentityToken_t *GetIdentity() const;
public:
	IDBDriver *Driver;
	ke::RefPtr<IDatabase> Database;
	IPhraseCollection *phrases;
	const DatabaseInfo *DBInfo;

	bool databaseLoading;

private:
	ke::Vector<TQueryOp *> cachedQueries;
	ke::Mutex queryLock;
	IdentityToken_t *identity;
};

class CookieTypeHandler : public IHandleTypeDispatch
{
public:
	void OnHandleDestroy(HandleType_t type, void *object)
	{
		/* No delete needed since Cookies are persistent */
	}
};

class CookieIteratorHandler : public IHandleTypeDispatch
{
public:
	void OnHandleDestroy(HandleType_t type, void *object)
	{
		delete (size_t *)object;
	}
};

const char *GetPlayerCompatAuthId(IGamePlayer *pPlayer);

extern sp_nativeinfo_t g_ClientPrefNatives[];

extern ClientPrefs g_ClientPrefs;
extern HandleType_t g_CookieType;
extern CookieTypeHandler g_CookieTypeHandler;

extern HandleType_t g_CookieIterator;
extern CookieIteratorHandler g_CookieIteratorHandler;

bool Translate(char *buffer, 
				   size_t maxlength,
				   const char *format,
				   unsigned int numparams,
				   size_t *pOutLength,
				   ...);

extern DbDriver g_DriverType;

#endif // _INCLUDE_SOURCEMOD_EXTENSION_PROPER_H_