/**
 * vim: set ts=4 :
 * =============================================================================
 * SourceMod Basic Votes Plugin
 * Implements basic vote commands.
 *
 * 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>
#undef REQUIRE_PLUGIN
#include <adminmenu>

public Plugin:myinfo =
{
	name = "Basic Votes",
	author = "AlliedModders LLC",
	description = "Basic Vote Commands",
	version = SOURCEMOD_VERSION,
	url = "http://www.sourcemod.net/"
};

#define VOTE_NO "###no###"
#define VOTE_YES "###yes###"

new Handle:g_hVoteMenu = INVALID_HANDLE;

new Handle:g_Cvar_Limits[3] = {INVALID_HANDLE, ...};
//new Handle:g_Cvar_VoteSay = INVALID_HANDLE;

enum voteType
{
	map,
	kick,
	ban,
	question
}

new voteType:g_voteType = voteType:question;

// Menu API does not provide us with a way to pass multiple peices of data with a single
// choice, so some globals are used to hold stuff.
//
#define VOTE_CLIENTID	0
#define VOTE_USERID	1
new g_voteClient[2];		/* Holds the target's client id and user id */

#define VOTE_NAME	0
#define VOTE_AUTHID	1
#define	VOTE_IP		2
new String:g_voteInfo[3][65];	/* Holds the target's name, authid, and IP */

new String:g_voteArg[256];	/* Used to hold ban/kick reasons or vote questions */


new Handle:hTopMenu = INVALID_HANDLE;

#include "basevotes/votekick.sp"
#include "basevotes/voteban.sp"
#include "basevotes/votemap.sp"

public OnPluginStart()
{
	LoadTranslations("common.phrases");
	LoadTranslations("basevotes.phrases");
	LoadTranslations("plugin.basecommands");
	LoadTranslations("basebans.phrases");
	
	RegAdminCmd("sm_votemap", Command_Votemap, ADMFLAG_VOTE|ADMFLAG_CHANGEMAP, "sm_votemap <mapname> [mapname2] ... [mapname5] ");
	RegAdminCmd("sm_votekick", Command_Votekick, ADMFLAG_VOTE|ADMFLAG_KICK, "sm_votekick <player> [reason]");
	RegAdminCmd("sm_voteban", Command_Voteban, ADMFLAG_VOTE|ADMFLAG_BAN, "sm_voteban <player> [reason]");
	RegAdminCmd("sm_vote", Command_Vote, ADMFLAG_VOTE, "sm_vote <question> [Answer1] [Answer2] ... [Answer5]");

	/*
	g_Cvar_Show = FindConVar("sm_vote_show");
	if (g_Cvar_Show == INVALID_HANDLE)
	{
		g_Cvar_Show = CreateConVar("sm_vote_show", "1", "Show player's votes? Default on.", 0, true, 0.0, true, 1.0);
	}
	*/

	g_Cvar_Limits[0] = CreateConVar("sm_vote_map", "0.60", "percent required for successful map vote.", 0, true, 0.05, true, 1.0);
	g_Cvar_Limits[1] = CreateConVar("sm_vote_kick", "0.60", "percent required for successful kick vote.", 0, true, 0.05, true, 1.0);	
	g_Cvar_Limits[2] = CreateConVar("sm_vote_ban", "0.60", "percent required for successful ban vote.", 0, true, 0.05, true, 1.0);		
	
	/* Account for late loading */
	new Handle:topmenu;
	if (LibraryExists("adminmenu") && ((topmenu = GetAdminTopMenu()) != INVALID_HANDLE))
	{
		OnAdminMenuReady(topmenu);
	}
	
	g_SelectedMaps = CreateArray(33);
	
	g_MapList = CreateMenu(MenuHandler_Map, MenuAction_DrawItem|MenuAction_Display);
	SetMenuTitle(g_MapList, "%T", "Please select a map", LANG_SERVER);
	SetMenuExitBackButton(g_MapList, true);
	
	decl String:mapListPath[PLATFORM_MAX_PATH];
	BuildPath(Path_SM, mapListPath, sizeof(mapListPath), "configs/adminmenu_maplist.ini");
	SetMapListCompatBind("sm_votemap menu", mapListPath);
}

public OnConfigsExecuted()
{
	g_mapCount = LoadMapList(g_MapList);
}

public OnAdminMenuReady(Handle:topmenu)
{
	/* Block us from being called twice */
	if (topmenu == hTopMenu)
	{
		return;
	}
	
	/* Save the Handle */
	hTopMenu = topmenu;
	
	/* Build the "Voting Commands" category */
	new TopMenuObject:voting_commands = FindTopMenuCategory(hTopMenu, ADMINMENU_VOTINGCOMMANDS);

	if (voting_commands != INVALID_TOPMENUOBJECT)
	{
		AddToTopMenu(hTopMenu,
			"sm_votekick",
			TopMenuObject_Item,
			AdminMenu_VoteKick,
			voting_commands,
			"sm_votekick",
			ADMFLAG_VOTE|ADMFLAG_KICK);
			
		AddToTopMenu(hTopMenu,
			"sm_voteban",
			TopMenuObject_Item,
			AdminMenu_VoteBan,
			voting_commands,
			"sm_voteban",
			ADMFLAG_VOTE|ADMFLAG_BAN);
			
		AddToTopMenu(hTopMenu,
			"sm_votemap",
			TopMenuObject_Item,
			AdminMenu_VoteMap,
			voting_commands,
			"sm_votemap",
			ADMFLAG_VOTE|ADMFLAG_CHANGEMAP);
	}
}

public Action:Command_Vote(client, args)
{
	if (args < 1)
	{
		ReplyToCommand(client, "[SM] Usage: sm_vote <question> [Answer1] [Answer2] ... [Answer5]");
		return Plugin_Handled;	
	}
	
	if (IsVoteInProgress())
	{
		ReplyToCommand(client, "[SM] %t", "Vote in Progress");
		return Plugin_Handled;
	}
		
	if (!TestVoteDelay(client))
	{
		return Plugin_Handled;
	}
	
	decl String:text[256];
	GetCmdArgString(text, sizeof(text));

	decl String:answers[5][64];
	new answerCount;	
	new len = BreakString(text, g_voteArg, sizeof(g_voteArg));
	new pos = len;
	
	while (args > 1 && pos != -1 && answerCount < 5)
	{	
		pos = BreakString(text[len], answers[answerCount], sizeof(answers[]));
		answerCount++;
		
		if (pos != -1)
		{
			len += pos;
		}	
	}

	LogAction(client, -1, "\"%L\" initiated a generic vote.", client);
	ShowActivity2(client, "[SM] ", "%t", "Initiate Vote", g_voteArg);
	
	g_voteType = voteType:question;
	
	g_hVoteMenu = CreateMenu(Handler_VoteCallback, MenuAction:MENU_ACTIONS_ALL);
	SetMenuTitle(g_hVoteMenu, "%s?", g_voteArg);
	
	if (answerCount < 2)
	{
		AddMenuItem(g_hVoteMenu, VOTE_YES, "Yes");
		AddMenuItem(g_hVoteMenu, VOTE_NO, "No");
	}
	else
	{
		for (new i = 0; i < answerCount; i++)
		{
			AddMenuItem(g_hVoteMenu, answers[i], answers[i]);
		}	
	}
	
	SetMenuExitButton(g_hVoteMenu, false);
	VoteMenuToAll(g_hVoteMenu, 20);		
	
	return Plugin_Handled;	
}

public Handler_VoteCallback(Handle:menu, MenuAction:action, param1, param2)
{
	if (action == MenuAction_End)
	{
		VoteMenuClose();
	}
	else if (action == MenuAction_Display)
	{
	 	if (g_voteType != voteType:question)
	 	{
			decl String:title[64];
			GetMenuTitle(menu, title, sizeof(title));
			
	 		decl String:buffer[255];
			Format(buffer, sizeof(buffer), "%T", title, param1, g_voteInfo[VOTE_NAME]);

			new Handle:panel = Handle:param2;
			SetPanelTitle(panel, buffer);
		}
	}
	else if (action == MenuAction_DisplayItem)
	{
		decl String:display[64];
		GetMenuItem(menu, param2, "", 0, _, display, sizeof(display));
	 
	 	if (strcmp(display, "No") == 0 || strcmp(display, "Yes") == 0)
	 	{
			decl String:buffer[255];
			Format(buffer, sizeof(buffer), "%T", display, param1);

			return RedrawMenuItem(buffer);
		}
	}
	/* else if (action == MenuAction_Select)
	{
		VoteSelect(menu, param1, param2);
	}*/
	else if (action == MenuAction_VoteCancel && param1 == VoteCancel_NoVotes)
	{
		PrintToChatAll("[SM] %t", "No Votes Cast");
	}	
	else if (action == MenuAction_VoteEnd)
	{
		decl String:item[64], String:display[64];
		new Float:percent, Float:limit, votes, totalVotes;

		GetMenuVoteInfo(param2, votes, totalVotes);
		GetMenuItem(menu, param1, item, sizeof(item), _, display, sizeof(display));
		
		if (strcmp(item, VOTE_NO) == 0 && param1 == 1)
		{
			votes = totalVotes - votes; // Reverse the votes to be in relation to the Yes option.
		}
		
		percent = GetVotePercent(votes, totalVotes);
		
		if (g_voteType != voteType:question)
		{
			limit = GetConVarFloat(g_Cvar_Limits[g_voteType]);
		}
		
		/* :TODO: g_voteClient[userid] needs to be checked */

		// A multi-argument vote is "always successful", but have to check if its a Yes/No vote.
		if ((strcmp(item, VOTE_YES) == 0 && FloatCompare(percent,limit) < 0 && param1 == 0) || (strcmp(item, VOTE_NO) == 0 && param1 == 1))
		{
			/* :TODO: g_voteClient[userid] should be used here and set to -1 if not applicable.
			 */
			LogAction(-1, -1, "Vote failed.");
			PrintToChatAll("[SM] %t", "Vote Failed", RoundToNearest(100.0*limit), RoundToNearest(100.0*percent), totalVotes);
		}
		else
		{
			PrintToChatAll("[SM] %t", "Vote Successful", RoundToNearest(100.0*percent), totalVotes);
			
			switch (g_voteType)
			{
				case (voteType:question):
				{
					if (strcmp(item, VOTE_NO) == 0 || strcmp(item, VOTE_YES) == 0)
					{
						strcopy(item, sizeof(item), display);
					}
					
					PrintToChatAll("[SM] %t", "Vote End", g_voteArg, item);
				}
				
				case (voteType:map):
				{
					LogAction(-1, -1, "Changing map to %s due to vote.", item);
					PrintToChatAll("[SM] %t", "Changing map", item);
					new Handle:dp;
					CreateDataTimer(5.0, Timer_ChangeMap, dp);
					WritePackString(dp, item);		
				}
					
				case (voteType:kick):
				{
					if (g_voteArg[0] == '\0')
					{
						strcopy(g_voteArg, sizeof(g_voteArg), "Votekicked");
					}
					
					PrintToChatAll("[SM] %t", "Kicked target", "_s", g_voteInfo[VOTE_NAME]);					
					LogAction(-1, g_voteClient[VOTE_CLIENTID], "Vote kick successful, kicked \"%L\" (reason \"%s\")", g_voteClient[VOTE_CLIENTID], g_voteArg);
					
					ServerCommand("kickid %d \"%s\"", g_voteClient[VOTE_USERID], g_voteArg);					
				}
					
				case (voteType:ban):
				{
					if (g_voteArg[0] == '\0')
					{
						strcopy(g_voteArg, sizeof(g_voteArg), "Votebanned");
					}
					
					PrintToChatAll("[SM] %t", "Banned player", g_voteInfo[VOTE_NAME], 30);
					LogAction(-1, g_voteClient[VOTE_CLIENTID], "Vote ban successful, banned \"%L\" (minutes \"30\") (reason \"%s\")", g_voteClient[VOTE_CLIENTID], g_voteArg);

					BanClient(g_voteClient[VOTE_CLIENTID],
							  30,
							  BANFLAG_AUTO,
							  g_voteArg,
							  "Banned by vote",
							  "sm_voteban");
				}
			}
		}
	}
	
	return 0;
}

/*
VoteSelect(Handle:menu, param1, param2 = 0)
{
	if (GetConVarInt(g_Cvar_VoteShow) == 1)
	{
		decl String:voter[64], String:junk[64], String:choice[64];
		GetClientName(param1, voter, sizeof(voter));
		GetMenuItem(menu, param2, junk, sizeof(junk), _, choice, sizeof(choice));
		PrintToChatAll("[SM] %T", "Vote Select", LANG_SERVER, voter, choice);
	}
}
*/

VoteMenuClose()
{
	CloseHandle(g_hVoteMenu);
	g_hVoteMenu = INVALID_HANDLE;
}

Float:GetVotePercent(votes, totalVotes)
{
	return FloatDiv(float(votes),float(totalVotes));
}

bool:TestVoteDelay(client)
{
 	new delay = CheckVoteDelay();
 	
 	if (delay > 0)
 	{
 		if (delay > 60)
 		{
 			ReplyToCommand(client, "[SM] %t", "Vote Delay Minutes", delay % 60);
 		}
 		else
 		{
 			ReplyToCommand(client, "[SM] %t", "Vote Delay Seconds", delay);
 		}
 		
 		return false;
 	}
 	
	return true;
}

public Action:Timer_ChangeMap(Handle:timer, Handle:dp)
{
	decl String:mapname[65];
	
	ResetPack(dp);
	ReadPackString(dp, mapname, sizeof(mapname));
	
	ForceChangeLevel(mapname, "sm_votemap Result");
	
	return Plugin_Stop;
}