/* Plugin Template generated by Pawn Studio */

#include <sourcemod>
#include <steamtools>

#define UN_VERSION "1.4"

new Handle:cv_enabled, Handle:cv_text, Handle:cv_restart, 
	Handle:cv_restarttime, Handle:cv_warningintervall, Handle:cv_waringtext;
new Float:remtime;

public Plugin:myinfo = 
{
	name = "UpdateNotifier",
	author = "Chefe",
	description = "Plugin that notifiy clients about updates",
	version = UN_VERSION,
	url = "https://forums.alliedmods.net/showthread.php?t=163122"
}

public OnPluginStart()
{
	cv_enabled = CreateConVar("sm_un_enabled", "1", "Enable/disable UpdateNotifier");
	cv_text = CreateConVar("sm_un_text", "WARNING! Gameupdate has been released, server will restart for updating!", "Set text (MAX 200) that will be displayed when server needs restart for updating");
	cv_restart = CreateConVar("sm_un_restart", "0", "Set restart handling: 0 = No restart caused by the plugin, restart is done by autoupdate on mapchange; 1 = restart server if no players are online; 2 = restart server even if there are players online");
	cv_restarttime = CreateConVar("sm_un_restartdelay", "30.0", "Set the time (in sec) between the Warning and the restart if is set", _, true, 5.0);
	cv_warningintervall = CreateConVar("sm_un_warnintervall", "5.0", "Set the intervall warnings should appear", _, true, 5.0)
	cv_waringtext = CreateConVar("sm_un_warntext", "Server restart in %i seconds");
	CreateConVar("sm_un_version", UN_VERSION, "Shows current plugin version.", FCVAR_PLUGIN|FCVAR_SPONLY|FCVAR_REPLICATED|FCVAR_NOTIFY|FCVAR_DONTRECORD);
	AutoExecConfig(true);
}

public Action:Steam_RestartRequested()
{
	if (GetConVarBool(cv_enabled))
	{
		new String:text[200];
		GetConVarString(cv_text, text, sizeof(text));
		PrintToChatAll("\x04%s", text);
		PrintHintTextToAll("%s", text);
		
		if (GetConVarInt(cv_restart) == 1)
		{
			if (GetClientCount(false) == 0)
			{
				ServerCommand("quit");
			}
		}
		else if (GetConVarInt(cv_restart) == 2)
		{	
			CreateTimer(GetConVarFloat(cv_restarttime), Timer_Restart);
			remtime = Float:GetConVarFloat(cv_restarttime);
		}
	}
	
	return Plugin_Continue;
}

public Action:Timer_Restart(Handle:timer)
{
	remtime -= Float:GetConVarFloat(cv_warningintervall);
	
	if (remtime <= 0.0)
	{
		ServerCommand("quit");
		return;
	}
	
	new String:warntext[200];
	GetConVarString(cv_waringtext, warntext, sizeof(warntext));
	
	PrintToChatAll("\x04%s", warntext, remtime);
	PrintHintTextToAll("%s", warntext, remtime);
}