/**

 * vim: set ts=4 :

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

 * SourceMod Nextmap Plugin

 * Adds sm_nextmap cvar for changing map and nextmap chat trigger.

 *

 * 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>

#include "include/nextmap.inc"

public Plugin:myinfo = 

{

	name = "Nextmap",

	author = "AlliedModders LLC",

	description = "Provides nextmap and sm_nextmap",

	version = SOURCEMOD_VERSION,

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

};

new g_MapPos = -1;

new Handle:g_MapList = INVALID_HANDLE;

new g_MapListSerial = -1;

new g_CurrentMapStartTime;

public APLRes:AskPluginLoad2(Handle:myself, bool:late, String:error[], err_max)

{

	decl String:game[128];

	GetGameFolderName(game, sizeof(game));

	if (StrEqual(game, "left4dead", false)

			|| StrEqual(game, "dystopia", false)

			|| StrEqual(game, "synergy", false)

			|| StrEqual(game, "left4dead2", false)

			|| StrEqual(game, "garrysmod", false)

			|| StrEqual(game, "swarm", false)

			|| StrEqual(game, "dota", false))

	{

		strcopy(error, err_max, "Nextmap is incompatible with this game");

		return APLRes_SilentFailure;

	}

	return APLRes_Success;

}

public OnPluginStart()

{

	LoadTranslations("common.phrases");

	LoadTranslations("nextmap.phrases");

	g_MapList = CreateArray(32);

	RegAdminCmd("sm_maphistory", Command_MapHistory, ADMFLAG_CHANGEMAP, "Shows the most recent maps played");

	RegConsoleCmd("listmaps", Command_List);

	// Set to the current map so OnMapStart() will know what to do

	decl String:currentMap[64];

	GetCurrentMap(currentMap, 64);

	SetNextMap(currentMap);

}

public OnMapStart()

{

	g_CurrentMapStartTime = GetTime();

}

public OnConfigsExecuted()

{

	decl String:lastMap[64], String:currentMap[64];

	GetNextMap(lastMap, sizeof(lastMap));

	GetCurrentMap(currentMap, 64);

	// Why am I doing this? If we switched to a new map, but it wasn't what we expected (Due to sm_map, sm_votemap, or

	// some other plugin/command), we don't want to scramble the map cycle. Or for example, admin switches to a custom map

	// not in mapcyclefile. So we keep it set to the last expected nextmap. - ferret

	if (strcmp(lastMap, currentMap) == 0)

	{

		FindAndSetNextMap();

	}

}

public Action:Command_List(client, args) 

{

	PrintToConsole(client, "Map Cycle:");

	new mapCount = GetArraySize(g_MapList);

	decl String:mapName[32];

	for (new i = 0; i < mapCount; i++)

	{

		GetArrayString(g_MapList, i, mapName, sizeof(mapName));

		PrintToConsole(client, "%s", mapName);

	}

	return Plugin_Handled;

}

FindAndSetNextMap()

{

	if (ReadMapList(g_MapList, 

			g_MapListSerial, 

			"mapcyclefile", 

			MAPLIST_FLAG_CLEARARRAY|MAPLIST_FLAG_NO_DEFAULT)

		== INVALID_HANDLE)

	{

		if (g_MapListSerial == -1)

		{

			LogError("FATAL: Cannot load map cycle. Nextmap not loaded.");

			SetFailState("Mapcycle Not Found");

		}

	}

	new mapCount = GetArraySize(g_MapList);

	decl String:mapName[32];

	if (g_MapPos == -1)

	{

		decl String:current[64];

		GetCurrentMap(current, 64);

		for (new i = 0; i < mapCount; i++)

		{

			GetArrayString(g_MapList, i, mapName, sizeof(mapName));

			if (strcmp(current, mapName, false) == 0)

			{

				g_MapPos = i;

				break;

			}

		}

		if (g_MapPos == -1)

			g_MapPos = 0;

	}

	g_MapPos++;

	if (g_MapPos >= mapCount)

		g_MapPos = 0;	

 	GetArrayString(g_MapList, g_MapPos, mapName, sizeof(mapName));

	SetNextMap(mapName);

}

public Action:Command_MapHistory(client, args)

{

	new mapCount = GetMapHistorySize();

	decl String:mapName[32];

	decl String:changeReason[100];

	decl String:timeString[100];

	decl String:playedTime[100];

	new startTime;

	new lastMapStartTime = g_CurrentMapStartTime;

	PrintToConsole(client, "Map History:\n");

	PrintToConsole(client, "Map : Started : Played Time : Reason for ending");

	GetCurrentMap(mapName, sizeof(mapName));

	PrintToConsole(client, "%02i. %s (Current Map)", 0, mapName);

	for (new i=0; i<mapCount; i++)

	{

		GetMapHistory(i, mapName, sizeof(mapName), changeReason, sizeof(changeReason), startTime);

		FormatTimeDuration(timeString, sizeof(timeString), GetTime() - startTime);

		FormatTimeDuration(playedTime, sizeof(playedTime), lastMapStartTime - startTime);

		PrintToConsole(client, "%02i. %s : %s ago : %s : %s", i+1, mapName, timeString, playedTime, changeReason);

		lastMapStartTime = startTime;

	}

	return Plugin_Handled;

}

FormatTimeDuration(String:buffer[], maxlen, time)

{

	new	days = time / 86400;

	new	hours = (time / 3600) % 24;

	new	minutes = (time / 60) % 60;

	new	seconds =  time % 60;

	if (days > 0)

	{

		return Format(buffer, maxlen, "%id %ih %im", days, hours, (seconds >= 30) ? minutes+1 : minutes);

	}

	else if (hours > 0)

	{

		return Format(buffer, maxlen, "%ih %im", hours, (seconds >= 30) ? minutes+1 : minutes);		

	}

	else if (minutes > 0)

	{

		return Format(buffer, maxlen, "%im", (seconds >= 30) ? minutes+1 : minutes);		

	}

	else

	{

		return Format(buffer, maxlen, "%is", seconds);		

	}

}