/*       +------------------------------------+
 *       | Inspire Internet Relay Chat Daemon |
 *       +------------------------------------+
 *
 *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
 *                       E-mail:
 *                <brain@chatspike.net>
 *           	  <Craig@chatspike.net>
 *     
 * Written by Craig Edwards, Craig McLure, and others.
 * This program is free but copyrighted software; see
 *            the file COPYING for details.
 *
 * ---------------------------------------------------
 */

#ifndef __INSPIRCD_H__
#define __INSPIRCD_H__

#include <time.h>
#include <string>
#include <sstream>
#include "inspircd_config.h"
#include "users.h"
#include "channels.h"
#include "socket.h"
#include "mode.h"
#include "helperfuncs.h"
#include "socketengine.h"
#include "command_parse.h"

/* Some misc defines */
#define ERROR -1
#define MAXCOMMAND 32

/* Crucial defines */
#define ETIREDGERBILS EAGAIN

/* This define is used in place of strcmp when we 
 * want to check if a char* string contains only one
 * letter. Pretty fast, its just two compares and an
 * addition.
 */
#define IS_SINGLE(x,y) ( (*x == y) && (*(x+1) == 0) )

#define DELETE(x) { InspIRCd::Log(DEBUG,"%s:%d: delete()",__FILE__,__LINE__); if (x) { delete x; x = NULL; } else InspIRCd::Log(DEBUG,"Attempt to delete NULL pointer!"); }

template<typename T> inline std::string ConvToStr(const T &in)
{
	std::stringstream tmp;
	if (!(tmp << in)) return std::string();
	return tmp.str();
}

class serverstats : public classbase
{
  public:
	unsigned long statsAccept;
	unsigned long statsRefused;
	unsigned long statsUnknown;
	unsigned long statsCollisions;
	unsigned long statsDns;
	unsigned long statsDnsGood;
	unsigned long statsDnsBad;
	unsigned long statsConnects;
	double statsSent;
	double statsRecv;
	unsigned long BoundPortCount;

	serverstats()
	{
		statsAccept = statsRefused = statsUnknown = 0;
		statsCollisions = statsDns = statsDnsGood = 0;
		statsDnsBad = statsConnects = 0;
		statsSent = statsRecv = 0.0;
		BoundPortCount = 0;
	}
};


class InspIRCd : public classbase
{
 private:
	char MODERR[MAXBUF];
	bool expire_run;
	servernamelist servernames;
 
	void EraseFactory(int j);
	void EraseModule(int j);
	void BuildISupport();
	void MoveTo(std::string modulename,int slot);
	void Start();
	void SetSignals(bool SEGVHandler);
	bool DaemonSeed();
	void MakeLowerMap();
	void MoveToLast(std::string modulename);
	void MoveToFirst(std::string modulename);
	void MoveAfter(std::string modulename, std::string after);
	void MoveBefore(std::string modulename, std::string before);

	void ProcessUser(userrec* cu);
	void DoSocketTimeouts(time_t TIME);
	void DoBackgroundUserStuff(time_t TIME);

 public:
	time_t startup_time;
	ModeParser* ModeGrok;
	CommandParser* Parser;
	SocketEngine* SE;
	serverstats* stats;
	ServerConfig* Config;
	std::vector<InspSocket*> module_sockets;
	InspSocket* socket_ref[MAX_DESCRIPTORS];	/* XXX: This should probably be made private, with inline accessors */
	userrec* fd_ref_table[MAX_DESCRIPTORS];		/* XXX: Ditto */
	user_hash clientlist;
	chan_hash chanlist;
	std::vector<userrec*> local_users;
	DNS* Res;
	TimerManager* Timers;

	void AddServerName(const std::string &servername);
	const char* FindServerNamePtr(const std::string &servername);
	bool FindServerName(const std::string &servername);

	std::string GetServerDescription(const char* servername);

	void WriteOpers(const char* text, ...);
	void WriteOpers(const std::string &text);
	
	userrec* FindNick(const std::string &nick);
	userrec* FindNick(const char* nick);

	chanrec* FindChan(const std::string &chan);
	chanrec* FindChan(const char* chan);

	bool UserToPseudo(userrec* user, const std::string &message);
	bool PseudoToUser(userrec* alive, userrec* zombie, const std::string &message);

	void ServerNoticeAll(char* text, ...);
	void ServerPrivmsgAll(char* text, ...);
	void WriteMode(const char* modes, int flags, const char* text, ...);

	int usercnt();
	int registered_usercount();
	int usercount_invisible();
	int usercount_opers();
	int usercount_unknown();
	long chancount();
	long local_count();

	void SendError(const char *s);

	std::string GetRevision();
	std::string GetVersionString();
	void WritePID(const std::string &filename);
	char* ModuleError();
	bool LoadModule(const char* filename);
	bool UnloadModule(const char* filename);
	InspIRCd(int argc, char** argv);
	void DoOneIteration(bool process_module_sockets);
	static void Log(int level, const char* text, ...);
	static void Log(int level, const std::string &text);
	int Run();
};

/* Miscellaneous stuff here, moved from inspircd_io.h */
void Exit(int status);

#endif