NPC Sell Items for Premium Points

[cykor119]

I need the NPC whose Take a Premium Points in my Database from 'players' / 'premiumpkt' and Sell for me items for this pkt. I need modify this script (He use Storage):

local keywordHandler = KeywordHandler:new()
local npcHandler = NpcHandler:new(keywordHandler)
NpcSystem.parseParameters(npcHandler)
local talkState = {}
function onCreatureAppear(cid) npcHandler:onCreatureAppear(cid) end
function onCreatureDisappear(cid) npcHandler:onCreatureDisappear(cid) end
function onCreatureSay(cid, type, msg) npcHandler:onCreatureSay(cid, type, msg) end
function onThink() npcHandler:onThink() end
function creatureSayCallback(cid, type, msg)
if(not npcHandler:isFocused(cid)) then
return false
end
local talkUser = NPCHANDLER_CONVbehavior == CONVERSATION_DEFAULT and 0 or cid
local Honor_Storage = 222667
function getHonorPoints(cid)
local Honor = getPlayerStorageValue(cid, Honor_Storage)
return Honor < 0 and 0 or Honor
end
local shopWindow = {}
local t = {
          [2195] = {price = 5}, -- [id do item] e em price qnto honor points vai custar
          [2493] = {price = 25},
          [2361] = {price = 30},
          [8851] = {price = 20},
          [8925] = {price = 30},
          [2640] = {price = 50},
          [2494] = {price = 100},
          [9932] = {price = 50},
          [2472] = {price = 70},
          [8931] = {price = 100}
          }
local onBuy = function(cid, item, subType, amount, ignoreCap, inBackpacks)
        if  t[item] and getHonorPoints(cid) < t[item].price then
            selfSay("you do not have "..t[item].price.." Honor Points", cid)
                else
                doPlayerAddItem(cid, item)
                setPlayerStorageValue(cid, Honor_Storage, getPlayerStorageValue(cid, Honor_Storage) - t[item].price)
                selfSay("Here you item", cid)
          end
        return true
end
if (msgcontains(msg, 'trade') or msgcontains(msg, 'TRADE'))then
                        for var, ret in pairs(t) do
                                        table.insert(shopWindow, {id = var, subType = 0, buy = ret.price, sell = 0, name = getItemNameById(var)})
                                end
                        openShopWindow(cid, shopWindow, onBuy, onSell)
                end
return true
end
npcHandler:setCallback(CALLBACK_MESSAGE_DEFAULT, creatureSayCallback)
npcHandler:addModule(FocusModule:new())