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#ifdef ENABLE_YANG_LIMIT
long long CShop::Buy(LPCHARACTER ch, BYTE pos)
#else
int CShop::Buy(LPCHARACTER ch, BYTE pos)
#endif
{
    if (pos >= m_itemVector.size())
    {
        sys_log(0, "Shop::Buy : invalid position %d : %s", pos, ch->GetName());
        return SHOP_SUBHEADER_GC_INVALID_POS;
    }

    sys_log(0, "Shop::Buy : name %s pos %d", ch->GetName(), pos);

    GuestMapType::iterator it = m_map_guest.find(ch);

    if (it == m_map_guest.end())
        return SHOP_SUBHEADER_GC_END;

    SHOP_ITEM& r_item = m_itemVector[pos];

#ifdef WJ_CHEQUE_SYSTEM
    if (r_item.price < 0 && r_item.cheque_price <= 0)
#else
    if (r_item.price < 0)
#endif
    {
        LogManager::instance().HackLog("SHOP_BUY_GOLD_OVERFLOW", ch);
        return SHOP_SUBHEADER_GC_NOT_ENOUGH_MONEY;
    }

    LPITEM pkSelectedItem = ITEM_MANAGER::instance().Find(r_item.itemid);

    if (IsPCShop())
    {
        if (!pkSelectedItem)
        {
            sys_log(0, "Shop::Buy : Critical: This user seems to be a hacker : invalid pcshop item : BuyerPID:%d SellerPID:%d",
                ch->GetPlayerID(),
                m_pkPC->GetPlayerID());

            return SHOP_SUBHEADER_GC_SOLD_OUT; // @fixme132 false to SHOP_SUBHEADER_GC_SOLD_OUT
        }

        if ((pkSelectedItem->GetOwner() != m_pkPC))
        {
            sys_log(0, "Shop::Buy : Critical: This user seems to be a hacker : invalid pcshop item : BuyerPID:%d SellerPID:%d",
                ch->GetPlayerID(),
                m_pkPC->GetPlayerID());

            return SHOP_SUBHEADER_GC_SOLD_OUT; // @fixme132 false to SHOP_SUBHEADER_GC_SOLD_OUT
        }
    }

#ifdef ENABLE_YANG_LIMIT
    long long dwPrice = r_item.price;
#else
    DWORD dwPrice = r_item.price;
#endif
#ifdef WJ_CHEQUE_SYSTEM
    BYTE byChequePrice = r_item.cheque_price;
#endif

    if (it->second)    // if other empire, price is triple
        dwPrice *= 3;

#ifdef ENABLE_YANG_LIMIT
    if (ch->GetGold() < (long long) dwPrice)
    {
        sys_log(1, "Shop::Buy : Not enough money : %s has %lld, price %lld", ch->GetName(), ch->GetGold(), dwPrice);
        return SHOP_SUBHEADER_GC_NOT_ENOUGH_MONEY;
    }
#else
    if (ch->GetGold() < (int) dwPrice)
    {
        sys_log(1, "Shop::Buy : Not enough money : %s has %d, price %d", ch->GetName(), ch->GetGold(), dwPrice);
        return SHOP_SUBHEADER_GC_NOT_ENOUGH_MONEY;
    }
#endif

#ifdef WJ_CHEQUE_SYSTEM
    if (ch->GetCheque() < byChequePrice)
    {
        sys_log(1, "Shop::Buy : Not enough cheque : %s has %d, price %d", ch->GetName(), ch->GetCheque(), byChequePrice);
        return SHOP_SUBHEADER_GC_NOT_ENOUGH_CHEQUE;
    }
#endif

    LPITEM item;

    if (m_pkPC) // 피씨가 운영하는 샵은 피씨가 실제 아이템을 가지고있어야 한다.
        item = r_item.pkItem;
    else
        item = ITEM_MANAGER::instance().CreateItem(r_item.vnum, r_item.count);

    if (!item)
        return SHOP_SUBHEADER_GC_SOLD_OUT;

    /*if (!m_pkPC)
    {
        if (quest::CQuestManager::instance().GetEventFlag("hivalue_item_sell") == 0)
        {
            if (item->GetVnum() == 70024 || item->GetVnum() == 70035)
            {
                return SHOP_SUBHEADER_GC_END;
            }
        }
    }*/

    int iEmptyPos;
    if (item->IsDragonSoul())
    {
        iEmptyPos = ch->GetEmptyDragonSoulInventory(item);
    }
    else
    {
        iEmptyPos = ch->GetEmptyInventory(item->GetSize());
    }

    if (iEmptyPos < 0)
    {
        if (m_pkPC)
        {
            sys_log(1, "Shop::Buy at PC Shop : Inventory full : %s size %d", ch->GetName(), item->GetSize());
            return SHOP_SUBHEADER_GC_INVENTORY_FULL;
        }
        else
        {
            sys_log(1, "Shop::Buy : Inventory full : %s size %d", ch->GetName(), item->GetSize());
            M2_DESTROY_ITEM(item);
            return SHOP_SUBHEADER_GC_INVENTORY_FULL;
        }
    }

#ifdef WJ_CHEQUE_SYSTEM
    if(dwPrice)
        ch->PointChange(POINT_GOLD, -dwPrice, false);
    if(byChequePrice)
        ch->PointChange(POINT_CHEQUE, -byChequePrice, false);
#else
    ch->PointChange(POINT_GOLD, -dwPrice, false);
#endif

    //세금 계산
    DWORD dwTax = 0;
    int iVal = 0;

    {
        iVal = quest::CQuestManager::instance().GetEventFlag("personal_shop");

        if (0 < iVal)
        {
            if (iVal > 100)
                iVal = 100;

            dwTax = dwPrice * iVal / 100;
            dwPrice = dwPrice - dwTax;
        }
        else
        {
            iVal = 0;
            dwTax = 0;
        }
    }

    if (!m_pkPC)
    {
        CMonarch::instance().SendtoDBAddMoney(dwTax, ch->GetEmpire(), ch);
    }

    if (m_pkPC)
    {
        m_pkPC->SyncQuickslot(QUICKSLOT_TYPE_ITEM, item->GetCell(), 255);

        if (item->GetVnum() == 90008 || item->GetVnum() == 90009) // VCARD
        {
            VCardUse(m_pkPC, ch, item);
            item = NULL;
        }
        else
        {
            char buf[512];

            if (item->GetVnum() >= 80003 && item->GetVnum() <= 80007)
            {
#ifdef ENABLE_YANG_LIMIT
                snprintf(buf, sizeof(buf), "%s FROM: %u TO: %u PRICE: %lld", item->GetName(), ch->GetPlayerID(), m_pkPC->GetPlayerID(), dwPrice, byChequePrice);
#else
                snprintf(buf, sizeof(buf), "%s FROM: %u TO: %u PRICE: %u", item->GetName(), ch->GetPlayerID(), m_pkPC->GetPlayerID(), dwPrice);
#endif
                LogManager::instance().GoldBarLog(ch->GetPlayerID(), item->GetID(), SHOP_BUY, buf);
                LogManager::instance().GoldBarLog(m_pkPC->GetPlayerID(), item->GetID(), SHOP_SELL, buf);
            }
          
            item->RemoveFromCharacter();
            if (item->IsDragonSoul())
                item->AddToCharacter(ch, TItemPos(DRAGON_SOUL_INVENTORY, iEmptyPos));
            else
                item->AddToCharacter(ch, TItemPos(INVENTORY, iEmptyPos));
            ITEM_MANAGER::instance().FlushDelayedSave(item);
          
#ifdef ENABLE_YANG_LIMIT
#ifdef WJ_CHEQUE_SYSTEM
            snprintf(buf, sizeof(buf), "%s %u(%s) %lld %u %u", item->GetName(), m_pkPC->GetPlayerID(), m_pkPC->GetName(), dwPrice, byChequePrice, item->GetCount());
#else
            snprintf(buf, sizeof(buf), "%s %u(%s) %lld %u", item->GetName(), m_pkPC->GetPlayerID(), m_pkPC->GetName(), dwPrice, item->GetCount());
#endif
            LogManager::instance().ItemLog(ch, item, "SHOP_BUY", buf);
#ifdef WJ_CHEQUE_SYSTEM
            snprintf(buf, sizeof(buf), "%s %u(%s) %lld %u %u", item->GetName(), ch->GetPlayerID(), ch->GetName(), dwPrice, byChequePrice, item->GetCount());
#else
            snprintf(buf, sizeof(buf), "%s %u(%s) %lld %u", item->GetName(), ch->GetPlayerID(), ch->GetName(), dwPrice, item->GetCount());
#endif
            LogManager::instance().ItemLog(m_pkPC, item, "SHOP_SELL", buf);
#else
#ifdef WJ_CHEQUE_SYSTEM
            snprintf(buf, sizeof(buf), "%s %u(%s) %u %u %u", item->GetName(), m_pkPC->GetPlayerID(), m_pkPC->GetName(), dwPrice, byChequePrice, item->GetCount());
#else
            snprintf(buf, sizeof(buf), "%s %u(%s) %u %u", item->GetName(), m_pkPC->GetPlayerID(), m_pkPC->GetName(), dwPrice, item->GetCount());
#endif
            LogManager::instance().ItemLog(ch, item, "SHOP_BUY", buf);

#ifdef WJ_CHEQUE_SYSTEM
            snprintf(buf, sizeof(buf), "%s %u(%s) %u %u %u", item->GetName(), ch->GetPlayerID(), ch->GetName(), dwPrice, byChequePrice, item->GetCount());
#else
            snprintf(buf, sizeof(buf), "%s %u(%s) %u %u", item->GetName(), ch->GetPlayerID(), ch->GetName(), dwPrice, item->GetCount());
#endif
            LogManager::instance().ItemLog(m_pkPC, item, "SHOP_SELL", buf);
#endif
        }

        r_item.pkItem = NULL;
        BroadcastUpdateItem(pos);

#ifdef WJ_CHEQUE_SYSTEM
        if(dwPrice)
            m_pkPC->PointChange(POINT_GOLD, dwPrice, false);
        if(byChequePrice)
            m_pkPC->PointChange(POINT_CHEQUE, byChequePrice, false);
#else
        m_pkPC->PointChange(POINT_GOLD, dwPrice, false);
#endif

        if (iVal > 0)
            m_pkPC->ChatPacket(CHAT_TYPE_INFO, LC_TEXT("판매금액의 %d %% 가 세금으로 나가게됩니다"), iVal);

        CMonarch::instance().SendtoDBAddMoney(dwTax, m_pkPC->GetEmpire(), m_pkPC);
    }
    else
    {
        if (item->IsDragonSoul())
            item->AddToCharacter(ch, TItemPos(DRAGON_SOUL_INVENTORY, iEmptyPos));
        else
            item->AddToCharacter(ch, TItemPos(INVENTORY, iEmptyPos));
        ITEM_MANAGER::instance().FlushDelayedSave(item);
        LogManager::instance().ItemLog(ch, item, "BUY", item->GetName());

        if (item->GetVnum() >= 80003 && item->GetVnum() <= 80007)
        {
            LogManager::instance().GoldBarLog(ch->GetPlayerID(), item->GetID(), PERSONAL_SHOP_BUY, "");
        }

        DBManager::instance().SendMoneyLog(MONEY_LOG_SHOP, item->GetVnum(), -dwPrice);
    }

#ifdef ENABLE_YANG_LIMIT
    if (item)
        sys_log(0, "SHOP: BUY: name %s %s(x %d):%u price %lld", ch->GetName(), item->GetName(), item->GetCount(), item->GetID(), dwPrice);
#else
    if (item)
        sys_log(0, "SHOP: BUY: name %s %s(x %d):%u price %u", ch->GetName(), item->GetName(), item->GetCount(), item->GetID(), dwPrice);
#endif

    ch->Save();

    return (SHOP_SUBHEADER_GC_OK);
}
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