// ---------------------------------------------------------------------------------------------------------

#include <a_samp>

// ---------------------------------------------------------------------------------------------------------

#define MAX_RCON_LENGHT				32			// What is the max lenght for a new RCON password?
#define MAX_RCON_WARNINGS			5			// How many times a player can input a wrong RCON password before he gets punished?
#define MAX_WRONG_INPUTS			3			// How many wrong RCON password inputs are needed for a new password?
#define PUNISHMENT					1			// How should a player, who exceeded the MAX_RCON_WARNINGS limit, should be punished? 1 - ban, 2 - kick.

// ---------------------------------------------------------------------------------------------------------

static const rcon_characters [63] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";


new rcon_whiteList[] =
{
    // "your_name",
    // "another_name", .... and so.
};

static
		playerWarnings [MAX_PLAYERS char],
		wrongInputs
;

// ---------------------------------------------------------------------------------------------------------

public OnPlayerConnect (playerid)
	playerWarnings {playerid} = 0;

public OnPlayerCommandText (playerid, cmdtext[])
{
	if (!strcmp (cmdtext, "/rcon_password", true))
	{
		new playerName [MAX_PLAYER_NAME];

		GetPlayerName (playerid, playerName, MAX_PLAYER_NAME);

     	for (new i; i <= sizeof (rcon_whiteList); i++)
	    {
            if (!strcmp (playerName, rcon_whiteList[i], true))
			{
				new
					currentRCON [64 + 1],
					message [128]
				;

				GetServerVarAsString("rcon_password", currentRCON, 64);

			    format (message, 128, "[ {ff0000}* {ffffff}] Current RCON is: %s", currentRCON);
			    SendClientMessage (playerid, 0xFFFFFFFF, message);

			    break;
			}

			else
				return SendClientMessage (playerid, 0xFFFFFFFF, "[ {ff0000}* {ffffff}] You can't use this command.");
	    }
	}

	return (true);
}

public OnRconLoginAttempt (ip [], password [], success)
{
	if (!success)
	{
		static playerIP [16 + 1];

		for (new i, j = GetPlayerPoolSize(); i <= j; i++)
		{
			GetPlayerIp (i, playerIP, 16);

			if (!strcmp (playerIP, ip, true))
			{
				playerWarnings {i} ++;
				wrongInputs ++;

				if (playerWarnings {i} == MAX_RCON_WARNINGS)
				{
					PunishPlayer (i);

					break;
				}

				if (wrongInputs == MAX_WRONG_INPUTS)
				{
					ChangeRCONPassword ();
					wrongInputs = 0;

					break;
				}

				break;
			}
		}
	}

	return (true);
}

// ---------------------------------------------------------------------------------------------------------

ChangeRCONPassword ()
{
	static newRCON [64], message [128];

	for (new i; i <= MAX_RCON_LENGHT; i++)
		newRCON[i] = rcon_characters [random (0-62) + 62];

	for (new i, j = GetPlayerPoolSize (); i <= j; i++)
	{
		if (!IsPlayerAdmin (i)) continue;

		format (message, 128, "[ {ff0000}* {ffffff}] The RCON password has changed: {ff0000}%s", newRCON);
		SendClientMessage (i, 0xFFFFFFFF, message);

		return (true);
	}

	format (message, 128, "rcon_password %s", newRCON);
	SendRconCommand (message);

	printf ("[ * ] The RCON password has changed: %s", newRCON);

	return (true);
}

PunishPlayer (playerid)
{
	new playerName [MAX_PLAYER_NAME], message [110 + 1];

	GetPlayerName (playerid, playerName, MAX_PLAYER_NAME);

	#if PUNISHMENT == 1

    format (message, 110, "[ {ff0000}* {ffffff}] %s has been banned for several invalid RCON login tries.", playerName);
    SendClientMessageToAll (0xFFFFFFFF, message);

    BanEx (playerid, "Exceeded warnings for RCON login tries");

	#else

    format (message, 110, "[ {ff0000}* {ffffff}] %s has been kicked for several invalid RCON login tries.", playerName);
    SendClientMessageToAll (0xFFFFFFFF, message);

    Kick (playerid);

	#endif
}