[ANY] Tournament WhiteList

#include <sourcemod>

char KVPath[64];
// Flags to join without having to be in the list
#define Flags ADMFLAG_ROOT

public Plugin myinfo =
{
    name = "[ANY] Tournament WhiteList",
    author = "BaroNN",
    description = "Tournament WhiteList",
    version = "1.0",
    url = "http://steamcommunity.com/id/BaRoNN-Main"
}

public void OnPluginStart()
{
    RegAdminCmd("sm_players", Command_ShowListed, Flags);
    CreateDirectory("addons/sourcemod/data/whitelist", 3);
    BuildPath(Path_SM, KVPath, sizeof(KVPath), "data/whitelist/list.txt");
}

public void OnClientPutInServer(int client)
{
    char steamid[128], ip[128];
    char usersteamid[128], userip[128], username[32];
    Handle data = CreateKeyValues("players");
    FileToKeyValues(data, KVPath);

    if(IsValidClient(client))
    {
        KvGetString(data, "ip", ip, sizeof(ip));
        GetClientIP(client, userip, sizeof(userip));
        GetClientName(client, username, sizeof(username));
        KvGetString(data, "steamid", steamid, sizeof(steamid));
        GetClientAuthId(client, AuthId_SteamID64, usersteamid, sizeof(usersteamid));

        if(StrEqual(steamid, usersteamid, true))
        {
            PrintToServer("[WhiteList] %s joined the server with the name %s", steamid, username);
        }
        else if(StrEqual(ip, userip, true))
        {
            PrintToServer("[WhiteList] %s joined the server with the name %s", steamid, username);
        }
        else
        {
            if (CheckCommandAccess(client, "sm_admin", Flags))PrintToServer("[WhiteList] A unlisted user by the name of %s (%s) joined the server", username, steamid);
            else KickClient(client, "You are not whitelisted");
        }
    }
}

public Action Command_ShowListed(int client, int args)
{
    if (IsValidClient(client))
    {
        int count = 0;
        char form[512], name[128], steamid[128];
        Handle data = CreateKeyValues("players");
        FileToKeyValues(data, KVPath);

        if (!KvGotoFirstSubKey(data))return Plugin_Handled;
        do count++;
        while (KvGotoNextKey(data));
        KvRewind(data);

        Menu menu = new Menu(showplayersmenu);
        menu.SetTitle("[WhiteList] Whitelisted Players");

        for (int i = 0; i < count; i++)
        {
            KvGetString(data, "steamid", steamid, sizeof(steamid));
            KvGetString(data, "name", name, sizeof(name));
            Format(form, sizeof(form), "%s [%s]", name, steamid);
            menu.AddItem("-1", form);
            KvGotoNextKey(data);
        }

        menu.ExitButton = true;
        menu.Display(client, MENU_TIME_FOREVER);

        KvRewind(data);
        KeyValuesToFile(data, KVPath);
        CloseHandle(data);
    }
    return Plugin_Handled;
}

stock bool IsValidClient(int client, bool bAlive = false)
{
    if (client >= 1 && client <= MaxClients && IsClientConnected(client) && IsClientInGame(client) && !IsFakeClient(client) && !IsClientSourceTV(client) && (bAlive == false || IsPlayerAlive(client)))return true;
    return false;
}

public showplayersmenu(Handle menu, MenuAction action, client, param2)
{
    if (action == MenuAction_Select)Command_ShowListed(client, 0);
}