/*
Copyright (C) 1996-1997 Id Software, Inc.

This program 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; either version 2
of the License, or (at your option) any later version.

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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#include "qwsvdef.h"

qboolean	sv_allow_cheats;

int fp_messages = 4, fp_persecond = 4, fp_secondsdead = 10;
char fp_msg[255] = { 0 };
extern cvar_t cl_warncmd;
extern		redirect_t	sv_redirected;


/*
===============================================================================

OPERATOR CONSOLE ONLY COMMANDS

These commands can only be entered from stdin or by a remote operator datagram
===============================================================================
*/

/*
====================
SV_SetMaster_f

Make a master server current
====================
*/
void SV_SetMaster_f (void)
{
	char	data[2];
	int		i;
	
	memset (&master_adr, 0, sizeof (master_adr));
	
	for (i = 1 ; i < Cmd_Argc() ; i++)
	{
		if (!strcmp (Cmd_Argv (i), "none") || !NET_StringToAdr (Cmd_Argv (i), &master_adr[i-1]))
		{
			Con_Printf ("Setting nomaster mode.\n");
			return;
		}
		if (master_adr[i-1].port == 0)
			master_adr[i-1].port = BigShort (27000);
			
		Con_Printf ("Master server at %s\n", NET_AdrToString (master_adr[i-1]));
		
		Con_Printf ("Sending a ping.\n");
		
		data[0] = A2A_PING;
		data[1] = 0;
		NET_SendPacket (2, data, master_adr[i-1]);
	}
	
	svs.last_heartbeat = -99999;
}


/*
==================
SV_Quit_f
==================
*/
void SV_Quit_f (void)
{
	SV_FinalMessage ("server shutdown\n");
	Con_Printf ("Shutting down.\n");
	SV_Shutdown ();
	Sys_Quit ();
}

/*
============
SV_Logfile_f
============
*/
void SV_Logfile_f (void)
{
	char	name[MAX_OSPATH];
	
	if (sv_logfile)
	{
		Con_Printf ("File logging off.\n");
		fclose (sv_logfile);
		sv_logfile = NULL;
		return;
	}
	
	sprintf (name, "%s/qconsole.log", com_gamedir);
	Con_Printf ("Logging text to %s.\n", name);
	sv_logfile = fopen (name, "w");
	if (!sv_logfile)
		Con_Printf ("failed.\n");
}


/*
============
SV_Fraglogfile_f
============
*/
void SV_Fraglogfile_f (void)
{
	char	name[MAX_OSPATH];
	int		i;
	
	if (sv_fraglogfile)
	{
		Con_Printf ("Frag file logging off.\n");
		fclose (sv_fraglogfile);
		sv_fraglogfile = NULL;
		return;
	}
	
	// find an unused name
	for (i = 0 ; i < 1000 ; i++)
	{
		sprintf (name, "%s/frag_%i.log", com_gamedir, i);
		sv_fraglogfile = fopen (name, "r");
		if (!sv_fraglogfile)
		{
			// can't read it, so create this one
			sv_fraglogfile = fopen (name, "w");
			if (!sv_fraglogfile)
				i = 1000;	// give error
			break;
		}
		fclose (sv_fraglogfile);
	}
	if (i == 1000)
	{
		Con_Printf ("Can't open any logfiles.\n");
		sv_fraglogfile = NULL;
		return;
	}
	
	Con_Printf ("Logging frags to %s.\n", name);
}


/*
==================
SV_SetPlayer

Sets host_client and sv_player to the player with idnum Cmd_Argv(1)
==================
*/
qboolean SV_SetPlayer (void)
{
	client_t	*cl;
	int			i;
	int			idnum;
	
	idnum = atoi (Cmd_Argv (1));
	
	for (i = 0, cl = svs.clients ; i < MAX_CLIENTS ; i++, cl++)
	{
		if (!cl->state)
			continue;
		if (cl->userid == idnum)
		{
			host_client = cl;
			sv_player = host_client->edict;
			return true;
		}
	}
	Con_Printf ("Userid %i is not on the server\n", idnum);
	return false;
}


/*
==================
SV_God_f

Sets client to godmode
==================
*/
void SV_God_f (void)
{
	if (!sv_allow_cheats)
	{
		Con_Printf ("You must run the server with -cheats to enable this command.\n");
		return;
	}
	
	if (!SV_SetPlayer ())
		return;
		
	sv_player->v.flags = (int) sv_player->v.flags ^ FL_GODMODE;
	if (! ( (int) sv_player->v.flags & FL_GODMODE))
		SV_ClientPrintf (host_client, PRINT_HIGH, "godmode OFF\n");
	else
		SV_ClientPrintf (host_client, PRINT_HIGH, "godmode ON\n");
}


void SV_Noclip_f (void)
{
	if (!sv_allow_cheats)
	{
		Con_Printf ("You must run the server with -cheats to enable this command.\n");
		return;
	}
	
	if (!SV_SetPlayer ())
		return;
		
	if (sv_player->v.movetype != MOVETYPE_NOCLIP)
	{
		sv_player->v.movetype = MOVETYPE_NOCLIP;
		SV_ClientPrintf (host_client, PRINT_HIGH, "noclip ON\n");
	}
	else
	{
		sv_player->v.movetype = MOVETYPE_WALK;
		SV_ClientPrintf (host_client, PRINT_HIGH, "noclip OFF\n");
	}
}


/*
==================
SV_Give_f
==================
*/
void SV_Give_f (void)
{
	char	*t;
	int		v;
	
	if (!sv_allow_cheats)
	{
		Con_Printf ("You must run the server with -cheats to enable this command.\n");
		return;
	}
	
	if (!SV_SetPlayer ())
		return;
		
	t = Cmd_Argv (2);
	v = atoi (Cmd_Argv (3));
	
	switch (t[0])
	{
		case '2':
		case '3':
		case '4':
		case '5':
		case '6':
		case '7':
		case '8':
		case '9':
			sv_player->v.items = (int) sv_player->v.items | IT_SHOTGUN << (t[0] - '2');
			break;
			
		case 's':
			sv_player->v.ammo_shells = v;
			break;
		case 'n':
			sv_player->v.ammo_nails = v;
			break;
		case 'r':
			sv_player->v.ammo_rockets = v;
			break;
		case 'h':
			sv_player->v.health = v;
			break;
		case 'c':
			sv_player->v.ammo_cells = v;
			break;
	}
}


/*
======================
SV_Map_f

handle a
map <mapname>
command from the console or progs.
======================
*/
void SV_Map_f (void)
{
	char	level[MAX_QPATH];
	char	expanded[MAX_QPATH];
	FILE	*f;
	
	if (Cmd_Argc() != 2)
	{
		Con_Printf ("map <levelname> : continue game on a new level\n");
		return;
	}
	strcpy (level, Cmd_Argv (1));
	
#if 0
	if (!strcmp (level, "e1m8"))
	{
		// QuakeWorld can't go to e1m8
		SV_BroadcastPrintf (PRINT_HIGH, "can't go to low grav level in QuakeWorld...\n");
		strcpy (level, "e1m5");
	}
#endif
	
	// check to make sure the level exists
	sprintf (expanded, "maps/%s.bsp", level);
	COM_FOpenFile (expanded, &f);
	if (!f)
	{
		Con_Printf ("Can't find %s\n", expanded);
		return;
	}
	fclose (f);
	
	SV_BroadcastCommand ("changing\n");
	SV_SendMessagesToAll ();
	
	SV_SpawnServer (level);
	
	SV_BroadcastCommand ("reconnect\n");
}


/*
==================
SV_Kick_f

Kick a user off of the server
==================
*/
void SV_Kick_f (void)
{
	int			i;
	client_t	*cl;
	int			uid;
	
	uid = atoi (Cmd_Argv (1));
	
	for (i = 0, cl = svs.clients; i < MAX_CLIENTS; i++, cl++)
	{
		if (!cl->state)
			continue;
		if (cl->userid == uid)
		{
			SV_BroadcastPrintf (PRINT_HIGH, "%s was kicked\n", cl->name);
			// print directly, because the dropped client won't get the
			// SV_BroadcastPrintf message
			SV_ClientPrintf (cl, PRINT_HIGH, "You were kicked from the game\n");
			SV_DropClient (cl);
			return;
		}
	}
	
	Con_Printf ("Couldn't find user number %i\n", uid);
}


/*
================
SV_Status_f
================
*/
void SV_Status_f (void)
{
	int			i, j, l;
	client_t	*cl;
	float		cpu, avg, pak;
	char		*s;
	
	
	cpu = (svs.stats.latched_active + svs.stats.latched_idle);
	if (cpu)
		cpu = 100 * svs.stats.latched_active / cpu;
	avg = 1000 * svs.stats.latched_active / STATFRAMES;
	pak = (float) svs.stats.latched_packets / STATFRAMES;
	
	Con_Printf ("net address      : %s\n", NET_AdrToString (net_local_adr));
	Con_Printf ("cpu utilization  : %3i%%\n", (int) cpu);
	Con_Printf ("avg response time: %i ms\n", (int) avg);
	Con_Printf ("packets/frame    : %5.2f (%d)\n", pak, num_prstr);
	
// min fps lat drp
	if (sv_redirected != RD_NONE)
	{
		// most remote clients are 40 columns
		//           0123456789012345678901234567890123456789
		Con_Printf ("name               userid frags\n");
		Con_Printf ("  address          rate ping drop\n");
		Con_Printf ("  ---------------- ---- ---- -----\n");
		for (i = 0, cl = svs.clients ; i < MAX_CLIENTS ; i++, cl++)
		{
			if (!cl->state)
				continue;
				
			Con_Printf ("%-16.16s  ", cl->name);
			
			Con_Printf ("%6i %5i", cl->userid, (int) cl->edict->v.frags);
			if (cl->spectator)
				Con_Printf (" (s)\n");
			else
				Con_Printf ("\n");
				
			s = NET_BaseAdrToString (cl->netchan.remote_address);
			Con_Printf ("  %-16.16s", s);
			if (cl->state == cs_connected)
			{
				Con_Printf ("CONNECTING\n");
				continue;
			}
			if (cl->state == cs_zombie)
			{
				Con_Printf ("ZOMBIE\n");
				continue;
			}
			Con_Printf ("%4i %4i %5.2f\n"
						, (int) (1000 * cl->netchan.frame_rate)
						, (int) SV_CalcPing (cl)
						, 100.0 * cl->netchan.drop_count / cl->netchan.incoming_sequence);
		}
	}
	else
	{
		Con_Printf ("frags userid address         name            rate ping drop  qport\n");
		Con_Printf ("----- ------ --------------- --------------- ---- ---- ----- -----\n");
		for (i = 0, cl = svs.clients ; i < MAX_CLIENTS ; i++, cl++)
		{
			if (!cl->state)
				continue;
			Con_Printf ("%5i %6i ", (int) cl->edict->v.frags,  cl->userid);
			
			s = NET_BaseAdrToString (cl->netchan.remote_address);
			Con_Printf ("%s", s);
			l = 16 - strlen (s);
			for (j = 0 ; j < l ; j++)
				Con_Printf (" ");
				
			Con_Printf ("%s", cl->name);
			l = 16 - strlen (cl->name);
			for (j = 0 ; j < l ; j++)
				Con_Printf (" ");
			if (cl->state == cs_connected)
			{
				Con_Printf ("CONNECTING\n");
				continue;
			}
			if (cl->state == cs_zombie)
			{
				Con_Printf ("ZOMBIE\n");
				continue;
			}
			Con_Printf ("%4i %4i %3.1f %4i"
						, (int) (1000 * cl->netchan.frame_rate)
						, (int) SV_CalcPing (cl)
						, 100.0 * cl->netchan.drop_count / cl->netchan.incoming_sequence
						, cl->netchan.qport);
			if (cl->spectator)
				Con_Printf (" (s)\n");
			else
				Con_Printf ("\n");
				
				
		}
	}
	Con_Printf ("\n");
}

/*
==================
SV_ConSay_f
==================
*/
void SV_ConSay_f (void)
{
	client_t *client;
	int		j;
	char	*p;
	char	text[1024];
	
	if (Cmd_Argc () < 2)
		return;
		
	Q_strcpy (text, "console: ");
	p = Cmd_Args();
	
	if (*p == '"')
	{
		p++;
		p[Q_strlen (p)-1] = 0;
	}
	
	Q_strcat (text, p);
	
	for (j = 0, client = svs.clients; j < MAX_CLIENTS; j++, client++)
	{
		if (client->state != cs_spawned)
			continue;
		SV_ClientPrintf (client, PRINT_CHAT, "%s\n", text);
	}
}


/*
==================
SV_Heartbeat_f
==================
*/
void SV_Heartbeat_f (void)
{
	svs.last_heartbeat = -9999;
}

void SV_SendServerInfoChange (char *key, char *value)
{
	if (!sv.state)
		return;
		
	MSG_WriteByte (&sv.reliable_datagram, svc_serverinfo);
	MSG_WriteString (&sv.reliable_datagram, key);
	MSG_WriteString (&sv.reliable_datagram, value);
}

/*
===========
SV_Serverinfo_f

  Examine or change the serverinfo string
===========
*/
char *CopyString (char *s);
void SV_Serverinfo_f (void)
{
	cvar_t	*var;
	
	if (Cmd_Argc() == 1)
	{
		Con_Printf ("Server info settings:\n");
		Info_Print (svs.info);
		return;
	}
	
	if (Cmd_Argc() != 3)
	{
		Con_Printf ("usage: serverinfo [ <key> <value> ]\n");
		return;
	}
	
	if (Cmd_Argv (1) [0] == '*')
	{
		Con_Printf ("Star variables cannot be changed.\n");
		return;
	}
	Info_SetValueForKey (svs.info, Cmd_Argv (1), Cmd_Argv (2), MAX_SERVERINFO_STRING);
	
	// if this is a cvar, change it too
	var = Cvar_FindVar (Cmd_Argv (1));
	if (var)
	{
		Z_Free (var->string);	// free the old value string
		var->string = CopyString (Cmd_Argv (2));
		var->value = Q_atof (var->string);
	}
	
	SV_SendServerInfoChange (Cmd_Argv (1), Cmd_Argv (2));
}


/*
===========
SV_Serverinfo_f

  Examine or change the serverinfo string
===========
*/
char *CopyString (char *s);
void SV_Localinfo_f (void)
{
	if (Cmd_Argc() == 1)
	{
		Con_Printf ("Local info settings:\n");
		Info_Print (localinfo);
		return;
	}
	
	if (Cmd_Argc() != 3)
	{
		Con_Printf ("usage: localinfo [ <key> <value> ]\n");
		return;
	}
	
	if (Cmd_Argv (1) [0] == '*')
	{
		Con_Printf ("Star variables cannot be changed.\n");
		return;
	}
	Info_SetValueForKey (localinfo, Cmd_Argv (1), Cmd_Argv (2), MAX_LOCALINFO_STRING);
}


/*
===========
SV_User_f

Examine a users info strings
===========
*/
void SV_User_f (void)
{
	if (Cmd_Argc() != 2)
	{
		Con_Printf ("Usage: info <userid>\n");
		return;
	}
	
	if (!SV_SetPlayer ())
		return;
		
	Info_Print (host_client->userinfo);
}

/*
================
SV_Gamedir

Sets the fake *gamedir to a different directory.
================
*/
void SV_Gamedir (void)
{
	char			*dir;
	
	if (Cmd_Argc() == 1)
	{
		Con_Printf ("Current *gamedir: %s\n", Info_ValueForKey (svs.info, "*gamedir"));
		return;
	}
	
	if (Cmd_Argc() != 2)
	{
		Con_Printf ("Usage: sv_gamedir <newgamedir>\n");
		return;
	}
	
	dir = Cmd_Argv (1);
	
	if (strstr (dir, "..") || strstr (dir, "/")
			|| strstr (dir, "\\") || strstr (dir, ":"))
	{
		Con_Printf ("*Gamedir should be a single filename, not a path\n");
		return;
	}
	
	Info_SetValueForStarKey (svs.info, "*gamedir", dir, MAX_SERVERINFO_STRING);
}

/*
================
SV_Floodport_f

Sets the gamedir and path to a different directory.
================
*/

void SV_Floodprot_f (void)
{
	int arg1, arg2, arg3;
	
	if (Cmd_Argc() == 1)
	{
		if (fp_messages)
		{
			Con_Printf ("Current floodprot settings: \nAfter %d msgs per %d seconds, silence for %d seconds\n",
						fp_messages, fp_persecond, fp_secondsdead);
			return;
		}
		else
			Con_Printf ("No floodprots enabled.\n");
	}
	
	if (Cmd_Argc() != 4)
	{
		Con_Printf ("Usage: floodprot <# of messages> <per # of seconds> <seconds to silence>\n");
		Con_Printf ("Use floodprotmsg to set a custom message to say to the flooder.\n");
		return;
	}
	
	arg1 = atoi (Cmd_Argv (1));
	arg2 = atoi (Cmd_Argv (2));
	arg3 = atoi (Cmd_Argv (3));
	
	if (arg1 <= 0 || arg2 <= 0 || arg3 <= 0)
	{
		Con_Printf ("All values must be positive numbers\n");
		return;
	}
	
	if (arg1 > 10)
	{
		Con_Printf ("Can only track up to 10 messages.\n");
		return;
	}
	
	fp_messages	= arg1;
	fp_persecond = arg2;
	fp_secondsdead = arg3;
}

void SV_Floodprotmsg_f (void)
{
	if (Cmd_Argc() == 1)
	{
		Con_Printf ("Current msg: %s\n", fp_msg);
		return;
	}
	else if (Cmd_Argc() != 2)
	{
		Con_Printf ("Usage: floodprotmsg \"<message>\"\n");
		return;
	}
	sprintf (fp_msg, "%s", Cmd_Argv (1));
}

/*
================
SV_Gamedir_f

Sets the gamedir and path to a different directory.
================
*/
char	gamedirfile[MAX_OSPATH];
void SV_Gamedir_f (void)
{
	char			*dir;
	
	if (Cmd_Argc() == 1)
	{
		Con_Printf ("Current gamedir: %s\n", com_gamedir);
		return;
	}
	
	if (Cmd_Argc() != 2)
	{
		Con_Printf ("Usage: gamedir <newdir>\n");
		return;
	}
	
	dir = Cmd_Argv (1);
	
	if (strstr (dir, "..") || strstr (dir, "/")
			|| strstr (dir, "\\") || strstr (dir, ":"))
	{
		Con_Printf ("Gamedir should be a single filename, not a path\n");
		return;
	}
	
	COM_Gamedir (dir);
	Info_SetValueForStarKey (svs.info, "*gamedir", dir, MAX_SERVERINFO_STRING);
}

/*
================
SV_Snap
================
*/
void SV_Snap (int uid)
{
	client_t *cl;
	char		pcxname[80];
	char		checkname[MAX_OSPATH];
	int			i;
	
	for (i = 0, cl = svs.clients; i < MAX_CLIENTS; i++, cl++)
	{
		if (!cl->state)
			continue;
		if (cl->userid == uid)
			break;
	}
	if (i >= MAX_CLIENTS)
	{
		Con_Printf ("userid not found\n");
		return;
	}
	
	sprintf (pcxname, "%d-00.pcx", uid);
	
	sprintf (checkname, "%s/snap", gamedirfile);
	Sys_mkdir (gamedirfile);
	Sys_mkdir (checkname);
	
	for (i = 0 ; i <= 99 ; i++)
	{
		pcxname[strlen (pcxname) - 6] = i / 10 + '0';
		pcxname[strlen (pcxname) - 5] = i % 10 + '0';
		sprintf (checkname, "%s/snap/%s", gamedirfile, pcxname);
		if (Sys_FileTime (checkname) == -1)
			break;	// file doesn't exist
	}
	if (i == 100)
	{
		Con_Printf ("Snap: Couldn't create a file, clean some out.\n");
		return;
	}
	strcpy (cl->uploadfn, checkname);
	
	memcpy (&cl->snap_from, &net_from, sizeof (net_from));
	if (sv_redirected != RD_NONE)
		cl->remote_snap = true;
	else
		cl->remote_snap = false;
		
	ClientReliableWrite_Begin (cl, svc_stufftext, 24);
	ClientReliableWrite_String (cl, "cmd snap");
	Con_Printf ("Requesting snap from user %d...\n", uid);
}

/*
================
SV_Snap_f
================
*/
void SV_Snap_f (void)
{
	int			uid;
	
	if (Cmd_Argc() != 2)
	{
		Con_Printf ("Usage:  snap <userid>\n");
		return;
	}
	
	uid = atoi (Cmd_Argv (1));
	
	SV_Snap (uid);
}

/*
================
SV_Snap
================
*/
void SV_SnapAll_f (void)
{
	client_t *cl;
	int			i;
	
	for (i = 0, cl = svs.clients; i < MAX_CLIENTS; i++, cl++)
	{
		if (cl->state < cs_connected || cl->spectator)
			continue;
		SV_Snap (cl->userid);
	}
}

/*
==================
SV_InitOperatorCommands
==================
*/
void SV_InitOperatorCommands (void)
{
	if (COM_CheckParm ("-cheats"))
	{
		sv_allow_cheats = true;
		Info_SetValueForStarKey (svs.info, "*cheats", "ON", MAX_SERVERINFO_STRING);
	}
	
	Cmd_AddCommand ("logfile", SV_Logfile_f);
	Cmd_AddCommand ("fraglogfile", SV_Fraglogfile_f);
	
	Cmd_AddCommand ("snap", SV_Snap_f);
	Cmd_AddCommand ("snapall", SV_SnapAll_f);
	Cmd_AddCommand ("kick", SV_Kick_f);
	Cmd_AddCommand ("status", SV_Status_f);
	
	Cmd_AddCommand ("map", SV_Map_f);
	Cmd_AddCommand ("setmaster", SV_SetMaster_f);
	
	Cmd_AddCommand ("say", SV_ConSay_f);
	Cmd_AddCommand ("heartbeat", SV_Heartbeat_f);
	Cmd_AddCommand ("quit", SV_Quit_f);
	Cmd_AddCommand ("god", SV_God_f);
	Cmd_AddCommand ("give", SV_Give_f);
	Cmd_AddCommand ("noclip", SV_Noclip_f);
	Cmd_AddCommand ("serverinfo", SV_Serverinfo_f);
	Cmd_AddCommand ("localinfo", SV_Localinfo_f);
	Cmd_AddCommand ("user", SV_User_f);
	Cmd_AddCommand ("gamedir", SV_Gamedir_f);
	Cmd_AddCommand ("sv_gamedir", SV_Gamedir);
	Cmd_AddCommand ("floodprot", SV_Floodprot_f);
	Cmd_AddCommand ("floodprotmsg", SV_Floodprotmsg_f);
	
	cl_warncmd.value = 1;
}
