-- add all usergroups here with cooldown times
local groups = {}
groups.admin = 10
groups.superadmin = 5
groups.owner = 3

-- groups who shouldnt be affected by a cooldown
local blacklist = { "owner", "superadmin" }

timer.Simple( 10, function()
    hook.Add( "ULibCommandCalled", "CheckCommands", function( ply, cmd, args )
        if table.HasValue( blacklist, ply:GetUserGroup() ) then
            return
        end
        if not ply.cooldown or ply.cooldown <= 0 then
            ply.cooldown = groups[ ply:GetUserGroup() ]
        else
            ply:ChatPrint( "Please wait " .. tostring( ply.cooldown ) .. " more seconds before you use a command again." )
            return false
        end
    end )
end )

timer.Create( "Cooldown", 1, 0, function()
    for k, v in next, player.GetAll() do
        if v.cooldown then
            if v.cooldown > 0 then
                v.cooldown = v.cooldown - 1
                if v.cooldown == 0 then
                    v.cooldown = nil
                end
            elseif v.cooldown <= 0 then
                v.cooldown = nil
            end
        end
    end
end )