/**

 * vim: set ts=4 sw=4 :

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

 * SourceMod

 * Copyright (C) 2004-2009 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: $Id$

 */

#include "sm_srvcmds.h"

#include <sourcemod_version.h>

#include "sm_stringutil.h"

#include "HandleSys.h"

#include "CoreConfig.h"

#include "ConVarManager.h"

#include "ShareSys.h"

RootConsoleMenu g_RootMenu;

ConVar sourcemod_version("sourcemod_version", SM_FULL_VERSION, FCVAR_SPONLY|FCVAR_REPLICATED|FCVAR_NOTIFY, "SourceMod Version");

RootConsoleMenu::RootConsoleMenu()

{

	m_pCommands = sm_trie_create();

	m_CfgExecDone = false;

}

RootConsoleMenu::~RootConsoleMenu()

{

	sm_trie_destroy(m_pCommands);

	List<ConsoleEntry *>::iterator iter;

	for (iter=m_Menu.begin(); iter!=m_Menu.end(); iter++)

	{

		delete (*iter);

	}

	m_Menu.clear();

}

void RootConsoleMenu::OnSourceModStartup(bool late)

{

#if SOURCE_ENGINE >= SE_ORANGEBOX

	g_pCVar = icvar;

#endif

	CONVAR_REGISTER(this);

	AddRootConsoleCommand("version", "Display version information", this);

	AddRootConsoleCommand("credits", "Display credits listing", this);

}

void RootConsoleMenu::OnSourceModAllInitialized()

{

	g_ShareSys.AddInterface(NULL, this);

}

void RootConsoleMenu::OnSourceModShutdown()

{

	RemoveRootConsoleCommand("credits", this);

	RemoveRootConsoleCommand("version", this);

}

bool RootConsoleMenu::RegisterConCommandBase(ConCommandBase *pCommand)

{

	META_REGCVAR(pCommand);

	/* Override values of convars created by SourceMod convar manager if specified on command line */

	const char *cmdLineValue = icvar->GetCommandLineValue(pCommand->GetName());

	if (cmdLineValue && !pCommand->IsCommand())

	{

		static_cast<ConVar *>(pCommand)->SetValue(cmdLineValue);

	}

	return true;

}

void RootConsoleMenu::ConsolePrint(const char *fmt, ...)

{

	char buffer[512];

	va_list ap;

	va_start(ap, fmt);

	size_t len = vsnprintf(buffer, sizeof(buffer), fmt, ap);

	va_end(ap);

	if (len >= sizeof(buffer) - 1)

	{

		buffer[510] = '\n';

		buffer[511] = '\0';

	} else {

		buffer[len++] = '\n';

		buffer[len] = '\0';

	}

	META_CONPRINT(buffer);

}

bool RootConsoleMenu::AddRootConsoleCommand(const char *cmd, const char *text, IRootConsoleCommand *pHandler)

{

	return _AddRootConsoleCommand(cmd, text, pHandler, false);

}

bool RootConsoleMenu::AddRootConsoleCommand2(const char *cmd, const char *text, IRootConsoleCommand *pHandler)

{

	return _AddRootConsoleCommand(cmd, text, pHandler, true);

}

bool RootConsoleMenu::_AddRootConsoleCommand(const char *cmd,

											 const char *text,

											 IRootConsoleCommand *pHandler,

											 bool version2)

{

	if (sm_trie_retrieve(m_pCommands, cmd, NULL))

	{

		return false;

	}

	/* Sort this into the menu */

	List<ConsoleEntry *>::iterator iter = m_Menu.begin();

	ConsoleEntry *pEntry;

	bool inserted = false;

	while (iter != m_Menu.end())

	{

		pEntry = (*iter);

		if (strcmp(cmd, pEntry->command.c_str()) < 0)

		{

			ConsoleEntry *pNew = new ConsoleEntry;

			pNew->command.assign(cmd);

			pNew->description.assign(text);

			pNew->version2 = version2;

			pNew->cmd = pHandler;

			sm_trie_insert(m_pCommands, cmd, pNew);

			m_Menu.insert(iter, pNew);

			inserted = true;

			break;

		}

		iter++;

	}

	if (!inserted)

	{

		ConsoleEntry *pNew = new ConsoleEntry;

		pNew->command.assign(cmd);

		pNew->description.assign(text);

		pNew->version2 = version2;

		pNew->cmd = pHandler;

		sm_trie_insert(m_pCommands, cmd, pNew);

		m_Menu.push_back(pNew);

	}

	return true;

}

bool RootConsoleMenu::RemoveRootConsoleCommand(const char *cmd, IRootConsoleCommand *pHandler)

{

	sm_trie_delete(m_pCommands, cmd);

	List<ConsoleEntry *>::iterator iter;

	ConsoleEntry *pEntry;

	for (iter=m_Menu.begin(); iter!=m_Menu.end(); iter++)

	{

		pEntry = (*iter);

		if (pEntry->command.compare(cmd) == 0)

		{

			delete pEntry;

			m_Menu.erase(iter);

			break;

		}

	}

	return true;

}

void RootConsoleMenu::DrawGenericOption(const char *cmd, const char *text)

{

	char buffer[255];

	size_t len, cmdlen = strlen(cmd);

	len = UTIL_Format(buffer, sizeof(buffer), "    %s", cmd);

	if (cmdlen < 16)

	{

		size_t num = 16 - cmdlen;

		for (size_t i = 0; i < num; i++)

		{

			buffer[len++] = ' ';

		}

		len += snprintf(&buffer[len], sizeof(buffer) - len, " - %s", text);

		ConsolePrint("%s", buffer);

	}

}

const char *RootConsoleMenu::GetInterfaceName()

{

	return SMINTERFACE_ROOTCONSOLE_NAME;

}

unsigned int RootConsoleMenu::GetInterfaceVersion()

{

	return SMINTERFACE_ROOTCONSOLE_VERSION;

}

#if SOURCE_ENGINE==SE_EPISODEONE || SOURCE_ENGINE==SE_DARKMESSIAH

class CCommandArgs : public ICommandArgs

{

public:

	CCommandArgs(const CCommand& _cmd)

	{

	}

	const char *Arg(int n) const

	{

		return engine->Cmd_Argv(n);

	}

	int ArgC() const

	{

		return engine->Cmd_Argc();

	}

	const char *ArgS() const

	{

		return engine->Cmd_Args();

	}

};

#else

class CCommandArgs : public ICommandArgs

{

	const CCommand *cmd;

public:

	CCommandArgs(const CCommand& _cmd) : cmd(&_cmd)

	{

	}

	const char *Arg(int n) const

	{

		return cmd->Arg(n);

	}

	int ArgC() const

	{

		return cmd->ArgC();

	}

	const char *ArgS() const

	{

		return cmd->ArgS();

	}

};

#endif

void RootConsoleMenu::GotRootCmd(const CCommand &cmd)

{

	unsigned int argnum = cmd.ArgC();

	if (argnum >= 2)

	{

		const char *cmdname = cmd.Arg(1);

		if (strcmp(cmdname, "internal") == 0)

		{

			if (argnum >= 3)

			{

				const char *arg = cmd.Arg(2);

				if (strcmp(arg, "1") == 0)

				{

					SM_ConfigsExecuted_Global();

				}

				else if (strcmp(arg, "2") == 0)

				{

					if (argnum >= 4)

					{

						SM_ConfigsExecuted_Plugin(atoi(cmd.Arg(3)));

					}

				}

			}

			return;

		}

		CCommandArgs ocmd(cmd);

		ConsoleEntry *entry;

		if (sm_trie_retrieve(m_pCommands, cmdname, (void **)&entry))

		{

			if (entry->version2)

			{

				entry->cmd->OnRootConsoleCommand2(cmdname, &ocmd);

			}

			else

			{

				entry->cmd->OnRootConsoleCommand(cmdname, cmd);

			}

			return;

		}

	}

	ConsolePrint("SourceMod Menu:");

	ConsolePrint("Usage: sm <command> [arguments]");

	List<ConsoleEntry *>::iterator iter;

	ConsoleEntry *pEntry;

	for (iter=m_Menu.begin(); iter!=m_Menu.end(); iter++)

	{

		pEntry = (*iter);

		DrawGenericOption(pEntry->command.c_str(), pEntry->description.c_str());

	}

}

void RootConsoleMenu::OnRootConsoleCommand(const char *cmdname, const CCommand &command)

{

	if (strcmp(cmdname, "credits") == 0)

	{

		ConsolePrint(" SourceMod was developed by AlliedModders, LLC.");

		ConsolePrint(" Development would not have been possible without the following people:");

		ConsolePrint("  David \"BAILOPAN\" Anderson");

		ConsolePrint("  Matt \"pRED\" Woodrow");

		ConsolePrint("  Scott \"DS\" Ehlert");

		ConsolePrint("  Fyren");

		ConsolePrint("  Nicholas \"psychonic\" Hastings");

		ConsolePrint("  Borja \"faluco\" Ferrer");

		ConsolePrint("  Pavol \"PM OnoTo\" Marko");

		ConsolePrint(" Special thanks to asherkin, Liam, ferret, and Mani");

		ConsolePrint(" Special thanks to Viper and SteamFriends");

		ConsolePrint(" http://www.sourcemod.net/");

	}

	else if (strcmp(cmdname, "version") == 0)

	{

		ConsolePrint(" SourceMod Version Information:");

		ConsolePrint("    SourceMod Version: %s", SM_FULL_VERSION);

		ConsolePrint("    SourcePawn Engine: %s (build %s)", g_pSourcePawn2->GetEngineName(), g_pSourcePawn2->GetVersionString());

		ConsolePrint("    SourcePawn API: v1 = %d, v2 = %d", g_pSourcePawn->GetEngineAPIVersion(), g_pSourcePawn2->GetAPIVersion());

		ConsolePrint("    Compiled on: %s %s", __DATE__, __TIME__);

		ConsolePrint("    Build ID: %s", SM_BUILD_UNIQUEID);

		ConsolePrint("    http://www.sourcemod.net/");

	}

}

CON_COMMAND(sm, "SourceMod Menu")

{

#if SOURCE_ENGINE <= SE_DARKMESSIAH

	CCommand args;

#endif

	g_RootMenu.GotRootCmd(args);

}

FILE *g_pHndlLog = NULL;

void write_handles_to_log(const char *fmt, ...)

{

	va_list ap;

	va_start(ap, fmt);

	vfprintf(g_pHndlLog, fmt, ap);

	fprintf(g_pHndlLog, "\n");

	va_end(ap);

}

void write_handles_to_game(const char *fmt, ...)

{

	size_t len;

	va_list ap;

	char buffer[1024];

	va_start(ap, fmt);

	len = UTIL_FormatArgs(buffer, sizeof(buffer)-2, fmt, ap);

	va_end(ap);

	buffer[len] = '\n';

	buffer[len+1] = '\0';

	engine->LogPrint(buffer);

}

CON_COMMAND(sm_dump_handles, "Dumps Handle usage to a file for finding Handle leaks")

{

#if SOURCE_ENGINE <= SE_DARKMESSIAH

	CCommand args;

#endif

	if (args.ArgC() < 2)

	{

		g_RootMenu.ConsolePrint("Usage: sm_dump_handles <file> or <log> for game logs");

		return;

	}

	if (strcmp(args.Arg(1), "log") != 0)

	{

		const char *arg = args.Arg(1);

		FILE *fp = fopen(arg, "wt");

		if (!fp)

		{

			g_RootMenu.ConsolePrint("Could not find file \"%s\"", arg);

			return;

		}

		g_pHndlLog = fp;

		g_HandleSys.Dump(write_handles_to_log);

		g_pHndlLog = NULL;

		fclose(fp);

	}

	else

	{

		g_HandleSys.Dump(write_handles_to_game);

	}

}