/**

  * vim: set ts=4 :

  * =============================================================================

  * SourceMod Admin Help Plugin

  * Displays and searches SourceMod commands and descriptions.

  *

  * SourceMod (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: $Id$

  */

 #pragma semicolon 1

 #include <sourcemod>

 #define COMMANDS_PER_PAGE	10

 public Plugin:myinfo = 

 {

 	name = "Admin Help",

 	author = "AlliedModders LLC",

 	description = "Display command information",

 	version = SOURCEMOD_VERSION,

 	url = "http://www.sourcemod.net/"

 };

 public OnPluginStart()

 {

 	LoadTranslations("common.phrases");

 	LoadTranslations("adminhelp.phrases");

 	RegConsoleCmd("sm_help", HelpCmd, "Displays SourceMod commands and descriptions");

 	RegConsoleCmd("sm_searchcmd", HelpCmd, "Searches SourceMod commands");

 }

 public Action:HelpCmd(client, args)

 {

 	decl String:arg[64], String:CmdName[20];

 	new PageNum = 1;

 	new bool:DoSearch;

 	GetCmdArg(0, CmdName, sizeof(CmdName));

 	if (GetCmdArgs() >= 1)

 	{

 		GetCmdArg(1, arg, sizeof(arg));

 		StringToIntEx(arg, PageNum);

 		PageNum = (PageNum <= 0) ? 1 : PageNum;

 	}

 	DoSearch = (strcmp("sm_help", CmdName) == 0) ? false : true;

 	if (GetCmdReplySource() == SM_REPLY_TO_CHAT)

 	{

 		ReplyToCommand(client, "[SM] %t", "See console for output");

 	}

 	decl String:Name[64];

 	decl String:Desc[255];

 	decl String:NoDesc[128];

 	new Flags;

 	new Handle:CmdIter = GetCommandIterator();

 	FormatEx(NoDesc, sizeof(NoDesc), "%t", "No description available");

 	if (DoSearch)

 	{

 		new i = 1;

 		while (ReadCommandIterator(CmdIter, Name, sizeof(Name), Flags, Desc, sizeof(Desc)))

 		{

 			if ((StrContains(Name, arg, false) != -1) && CheckCommandAccess(client, Name, Flags))

 			{

 				PrintToConsole(client, "[%03d] %s - %s", i++, Name, (Desc[0] == '\0') ? NoDesc : Desc);

 			}

 		}

 		if (i == 1)

 		{

 			PrintToConsole(client, "%t", "No matching results found");

 		}

 	} else {

 		PrintToConsole(client, "%t", "SM help commands");		

 		/* Skip the first N commands if we need to */

 		if (PageNum > 1)

 		{

 			new i;

 			new EndCmd = (PageNum-1) * COMMANDS_PER_PAGE - 1;

 			for (i=0; ReadCommandIterator(CmdIter, Name, sizeof(Name), Flags, Desc, sizeof(Desc)) && i<EndCmd; )

 			{

 				if (CheckCommandAccess(client, Name, Flags))

 				{

 					i++;

 				}

 			}

 			if (i == 0)

 			{

 				PrintToConsole(client, "%t", "No commands available");

 				CloseHandle(CmdIter);

 				return Plugin_Handled;

 			}

 		}

 		/* Start printing the commands to the client */

 		new i;

 		new StartCmd = (PageNum-1) * COMMANDS_PER_PAGE;

 		for (i=0; ReadCommandIterator(CmdIter, Name, sizeof(Name), Flags, Desc, sizeof(Desc)) && i<COMMANDS_PER_PAGE; )

 		{

 			if (CheckCommandAccess(client, Name, Flags))

 			{

 				i++;

 				PrintToConsole(client, "[%03d] %s - %s", i+StartCmd, Name, (Desc[0] == '\0') ? NoDesc : Desc);

 			}

 		}

 		if (i == 0)

 		{

 			PrintToConsole(client, "%t", "No commands available");

 		} else {

 			PrintToConsole(client, "%t", "Entries n - m in page k", StartCmd+1, i+StartCmd, PageNum);

 		}

 		/* Test if there are more commands available */

 		if (ReadCommandIterator(CmdIter, Name, sizeof(Name), Flags, Desc, sizeof(Desc)) && CheckCommandAccess(client, Name, Flags))

 		{

 			PrintToConsole(client, "%t", "Type sm_help to see more", PageNum+1);

 		}

 	}

 	CloseHandle(CmdIter);

 	return Plugin_Handled;

 }