#ifndef _INCLUDE_SOURCEMOD_HANDLESYSTEM_H_

#define _INCLUDE_SOURCEMOD_HANDLESYSTEM_H_

#include <IHandleSys.h>

#include "sm_globals.h"

#include "sm_trie.h"

#include "sourcemod.h"

#include "sm_memtable.h"

#define HANDLESYS_MAX_HANDLES		(1<<16)

#define HANDLESYS_MAX_TYPES			(1<<9)

#define HANDLESYS_MAX_SUBTYPES		0xF

#define HANDLESYS_SUBTYPE_MASK		0xF

#define HANDLESYS_TYPEARRAY_SIZE	(HANDLESYS_MAX_TYPES * (HANDLESYS_MAX_SUBTYPES + 1))

#define HANDLESYS_MAX_SERIALS		0xFFFF

#define HANDLESYS_SERIAL_MASK		0xFFFF0000

#define HANDLESYS_HANDLE_MASK		0x0000FFFF

struct QHandle

{

	HandleType_t type;

	void *object;

	unsigned int freeID;

	IdentityToken_t source;

	bool set;

	unsigned int serial;

};

struct QHandleType

{

	IHandleTypeDispatch *dispatch;

	unsigned int freeID;

	unsigned int children;

	HandleSecurity sec;

	unsigned int opened;

	int nameIdx;

};

class HandleSystem : 

	public IHandleSys

{

public:

	HandleSystem();

	~HandleSystem();

public: //IHandleSystem

	HandleType_t CreateType(const char *name, IHandleTypeDispatch *dispatch);

	HandleType_t CreateTypeEx(const char *name,	

							  IHandleTypeDispatch *dispatch, 

							  HandleType_t parent, 

							  const HandleSecurity *security);

	HandleType_t CreateChildType(const char *name, HandleType_t parent, IHandleTypeDispatch *dispatch);

	bool RemoveType(HandleType_t type, IdentityToken_t ident);

	bool FindHandleType(const char *name, HandleType_t *type);

	Handle_t CreateHandle(HandleType_t type, 

							void *object, 

							IdentityToken_t source, 

							IdentityToken_t ident);

	Handle_t CreateScriptHandle(HandleType_t type, void *object, sp_context_t *ctx, IdentityToken_t ident);

	HandleError DestroyHandle(Handle_t handle, IdentityToken_t ident);

	HandleError ReadHandle(Handle_t handle, HandleType_t type, IdentityToken_t ident, void **object);

private:

	QHandle *m_Handles;

	QHandleType *m_Types;

	Trie *m_TypeLookup;

	unsigned int m_TypeTail;

	unsigned int m_FreeTypes;

	unsigned int m_HandleTail;

	unsigned int m_FreeHandles;

	unsigned int m_HSerial;

	BaseStringTable *m_strtab;

};

extern HandleSystem g_HandleSys;

#endif //_INCLUDE_SOURCEMOD_HANDLESYSTEM_H_