local conf = {}
     
    conf["level"] = {
     [1] = {successParcent = 50, downrageLevel = 0},
     [2] = {successParcent = 50, downrageLevel = 1},
     [3] = {successParcent = 50, downrageLevel = 2},
     [4] = {successParcent = 50, downrageLevel = 3},
     [5] = {successParcent = 50, downrageLevel = 4},
     [6] = {successParcent = 50, downrageLevel = 5},
	 [7] = {successParcent = 1, downrageLevel = 5},
	 [8] = {successParcent = 1, downrageLevel = 6},
    }
    conf["upgrade"] = {
        attack = 4,
        extraAttack = 4,
        defense = 9,
        extraDefense =9,
        armor = 9,
        hitChance = 17,
    }
     
    local upgrading = {
        upValue = function (value, level, parcent)
            if(not(value>0))then return 0 end 
            for i=1,level do
                value = math.ceil(((value/100)*parcent)+value)+1
            end
            return (value > 0) and value or 0
        end,
     
        getLevel = function (item)
            local name = string.explode(getItemName(item), '+')
            return (#name == 1) and 0 or math.abs(name[2])
        end,
    }
    function onUse(cid, item, fromPosition, itemEx, toPosition)
        local getItem = getItemInfo(itemEx.itemid)
        if((getItem.weaponType > 0 or getItem.armor > 0) and not isItemStackable(itemEx.itemid))then
            local level = upgrading.getLevel(itemEx.uid)
            if(level < #conf["level"])then
                local nLevel = (conf["level"][(level+1)].successParcent >= math.random(1,100)) and (level+1) or conf["level"][level].downrageLevel
                if(nLevel > level)then
                    doSendMagicEffect(toPosition, 117)
                    doPlayerSendTextMessage(cid, 22, "Upgraded was successful!")
                else
                    doSendMagicEffect(toPosition, 117)
                    doPlayerSendTextMessage(cid, 22, "Upgrading fail!")
                end
                doItemSetAttribute(itemEx.uid, "name", getItem.name..((nLevel>0) and "+"..nLevel or "")) 
                doItemSetAttribute(itemEx.uid, "attack",  upgrading.upValue(getItem.attack, nLevel, conf["upgrade"].attack))
                doItemSetAttribute(itemEx.uid, "extraattack", upgrading.upValue(getItem.extraAttack, nLevel, conf["upgrade"].extraAttack))
                doItemSetAttribute(itemEx.uid, "defense", upgrading.upValue(getItem.defense,nLevel, conf["upgrade"].defense))
                doItemSetAttribute(itemEx.uid, "extradefense", upgrading.upValue(getItem.extraDefense, nLevel, conf["upgrade"].extraDefense))
                doItemSetAttribute(itemEx.uid, "armor", upgrading.upValue(getItem.armor, nLevel, conf["upgrade"].armor))
                doItemSetAttribute(itemEx.uid, "hitChance", upgrading.upValue(getItem.hitChance,nLevel, conf["upgrade"].hitChance))
                doRemoveItem(item.uid, 1)
            else
                doPlayerSendTextMessage(cid, 19, "Your level to max.")
            end
        else
            doPlayerSendTextMessage(cid, 19, "This item cant upgraded!")
        end
    end